Convert utility.c into libbb.a. It is now a whole pile of .c
files. Clean up the resulting damage and fix up the makefile. -Erik
This commit is contained in:
parent
dfba13d199
commit
aad1a88c76
36
Makefile
36
Makefile
@ -200,7 +200,7 @@ endif
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# And option 4:
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-include applet_source_list
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OBJECTS = $(APPLET_SOURCES:.c=.o) busybox.o messages.o usage.o utility.o
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OBJECTS = $(APPLET_SOURCES:.c=.o) busybox.o messages.o usage.o applets.o mtab_file.o
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CFLAGS += $(CROSS_CFLAGS)
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CFLAGS += -DBB_VER='"$(VERSION)"'
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CFLAGS += -DBB_BT='"$(BUILDTIME)"'
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@ -220,6 +220,21 @@ ifneq ($(strip $(USE_SYSTEM_PWD_GRP)),true)
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else
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CFLAGS += -DUSE_SYSTEM_PWD_GRP
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endif
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LIBBB = libbb
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LIBBB_DIR = $(BB_SRC_DIR:=/)$(LIBBB)
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LIBBB_LIB = libbb.a
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LIBBB_CSRC= ask_confirmation.c check_wildcard_match.c chomp.c copy_file.c \
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copy_file_chunk.c create_path.c device_open.c error_msg.c \
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find_mount_point.c find_pid_by_name.c find_root_device.c full_read.c \
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full_write.c get_console.c get_last_path_component.c get_line_from_file.c \
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human_readable.c inode_hash.c isdirectory.c kernel_version.c loop.c \
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mode_string.c parse_mode.c parse_number.c print_file.c process_escape_sequence.c \
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pwd_grp_wrappers.c recursive_action.c safe_read.c safe_strncpy.c syscalls.c \
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syslog_msg_with_name.c time_string.c trim.c vdprintf.c wfopen.c xfuncs.c \
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xregcomp.c
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LIBBB_OBJS=$(patsubst %.c,$(LIBBB)/%.o, $(LIBBB_CSRC))
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LIBBB_CFLAGS = -I$(LIBBB_DIR)
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# Put user-supplied flags at the end, where they
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# have a chance of winning.
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@ -288,8 +303,8 @@ docs/busybox/busyboxdocumentation.html: docs/busybox.sgml
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(cd docs/busybox.lineo.com; sgmltools -b html ../busybox.sgml)
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busybox: $(PWD_LIB) $(OBJECTS)
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$(CC) $(LDFLAGS) -o $@ $(OBJECTS) $(LIBRARIES) $(PWD_LIB)
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busybox: $(PWD_LIB) $(LIBBB_LIB) $(OBJECTS)
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$(CC) $(LDFLAGS) -o $@ $(OBJECTS) $(LIBRARIES) $(PWD_LIB) $(LIBBB_LIB)
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$(STRIP)
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# Without VPATH, rule expands to "/bin/sh busybox.mkll Config.h applets.h"
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@ -307,14 +322,21 @@ $(PWD_OBJS): %.o: %.c Config.h busybox.h applets.h Makefile
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- mkdir -p $(PWD_GRP)
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$(CC) $(CFLAGS) $(PWD_CFLAGS) -c $< -o $*.o
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$(LIBBB_OBJS): %.o: %.c Config.h busybox.h applets.h Makefile
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- mkdir -p $(LIBBB)
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$(CC) $(CFLAGS) $(LIBBB_CFLAGS) -c $< -o $*.o
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libpwd.a: $(PWD_OBJS)
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$(AR) $(ARFLAGS) $@ $^
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libbb.a: $(LIBBB_OBJS)
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$(AR) $(ARFLAGS) $@ $^
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usage.o: usage.h
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utility.o: loop.h
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libbb/loop.o: libbb/loop.h
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loop.h: mk_loop_h.sh
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libbb/loop.h: mk_loop_h.sh
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@ $(SHELL) $< > $@
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test tests:
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@ -330,8 +352,8 @@ clean:
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- rm -f docs/busybox.txt docs/busybox.dvi docs/busybox.ps \
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docs/busybox.pdf docs/busybox.lineo.com/busybox.html
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- rm -f multibuild.log Config.h.orig
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- rm -rf docs/busybox _install libpwd.a
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- rm -f busybox.links loop.h *~ slist.mk core applet_source_list
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- rm -rf docs/busybox _install libpwd.a libbb.a
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- rm -f busybox.links libbb/loop.h *~ slist.mk core applet_source_list
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- find -name \*.o -exec rm -f {} \;
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distclean: clean
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92
applets.c
Normal file
92
applets.c
Normal file
@ -0,0 +1,92 @@
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/* vi: set sw=4 ts=4: */
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/*
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* Utility routines.
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*
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* Copyright (C) tons of folks. Tracking down who wrote what
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* isn't something I'm going to worry about... If you wrote something
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* here, please feel free to acknowledge your work.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
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* Permission has been granted to redistribute this code under the GPL.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "busybox.h"
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#define bb_need_full_version
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#define BB_DECLARE_EXTERN
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#include "messages.c"
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struct BB_applet *applet_using;
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extern void show_usage(void)
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{
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const char *format_string;
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const char *usage_string = usage_messages;
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int i;
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for (i = applet_using - applets; i > 0; ) {
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if (!*usage_string++) {
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--i;
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}
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}
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format_string = "%s\n\nUsage: %s %s\n\n";
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if(*usage_string == 0)
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format_string = "%s\n\nNo help available.\n\n";
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fprintf(stderr, format_string,
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full_version, applet_using->name, usage_string);
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exit(EXIT_FAILURE);
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}
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static int applet_name_compare(const void *x, const void *y)
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{
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const char *name = x;
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const struct BB_applet *applet = y;
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return strcmp(name, applet->name);
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}
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extern size_t NUM_APPLETS;
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struct BB_applet *find_applet_by_name(const char *name)
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{
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return bsearch(name, applets, NUM_APPLETS, sizeof(struct BB_applet),
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applet_name_compare);
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}
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void run_applet_by_name(const char *name, int argc, char **argv)
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{
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/* Do a binary search to find the applet entry given the name. */
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if ((applet_using = find_applet_by_name(name)) != NULL) {
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applet_name = applet_using->name;
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if (argv[1] && strcmp(argv[1], "--help") == 0)
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show_usage();
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exit((*(applet_using->main)) (argc, argv));
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}
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}
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/* END CODE */
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/*
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Local Variables:
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c-file-style: "linux"
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c-basic-offset: 4
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tab-width: 4
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End:
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*/
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92
applets/applets.c
Normal file
92
applets/applets.c
Normal file
@ -0,0 +1,92 @@
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/* vi: set sw=4 ts=4: */
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/*
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* Utility routines.
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*
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* Copyright (C) tons of folks. Tracking down who wrote what
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* isn't something I'm going to worry about... If you wrote something
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* here, please feel free to acknowledge your work.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
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* Permission has been granted to redistribute this code under the GPL.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "busybox.h"
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#define bb_need_full_version
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#define BB_DECLARE_EXTERN
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#include "messages.c"
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struct BB_applet *applet_using;
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extern void show_usage(void)
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{
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const char *format_string;
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const char *usage_string = usage_messages;
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int i;
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for (i = applet_using - applets; i > 0; ) {
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if (!*usage_string++) {
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--i;
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}
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}
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format_string = "%s\n\nUsage: %s %s\n\n";
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if(*usage_string == 0)
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format_string = "%s\n\nNo help available.\n\n";
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fprintf(stderr, format_string,
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full_version, applet_using->name, usage_string);
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exit(EXIT_FAILURE);
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}
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static int applet_name_compare(const void *x, const void *y)
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{
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const char *name = x;
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const struct BB_applet *applet = y;
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return strcmp(name, applet->name);
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}
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extern size_t NUM_APPLETS;
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struct BB_applet *find_applet_by_name(const char *name)
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{
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return bsearch(name, applets, NUM_APPLETS, sizeof(struct BB_applet),
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applet_name_compare);
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}
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void run_applet_by_name(const char *name, int argc, char **argv)
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{
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/* Do a binary search to find the applet entry given the name. */
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if ((applet_using = find_applet_by_name(name)) != NULL) {
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applet_name = applet_using->name;
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if (argv[1] && strcmp(argv[1], "--help") == 0)
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show_usage();
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exit((*(applet_using->main)) (argc, argv));
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}
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}
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/* END CODE */
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/*
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Local Variables:
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c-file-style: "linux"
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c-basic-offset: 4
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tab-width: 4
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End:
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*/
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195
busybox.h
195
busybox.h
@ -44,31 +44,6 @@ typedef unsigned int socklen_t;
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#endif
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/* Some useful definitions */
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#define FALSE ((int) 0)
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#define TRUE ((int) 1)
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#define SKIP ((int) 2)
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/* for mtab.c */
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#define MTAB_GETMOUNTPT '1'
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#define MTAB_GETDEVICE '2'
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#define BUF_SIZE 8192
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#define EXPAND_ALLOC 1024
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static inline int is_decimal(ch) { return ((ch >= '0') && (ch <= '9')); }
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static inline int is_octal(ch) { return ((ch >= '0') && (ch <= '7')); }
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/* Macros for min/max. */
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#ifndef MIN
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#define MIN(a,b) (((a)<(b))?(a):(b))
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#endif
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#ifndef MAX
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#define MAX(a,b) (((a)>(b))?(a):(b))
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#endif
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enum Location {
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_BB_DIR_ROOT = 0,
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_BB_DIR_BIN,
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@ -97,147 +72,15 @@ extern const struct BB_applet applets[];
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extern const char *applet_name;
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extern void show_usage(void) __attribute__ ((noreturn));
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extern void error_msg(const char *s, ...);
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extern void error_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
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extern void perror_msg(const char *s, ...);
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extern void perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
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const char *mode_string(int mode);
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const char *time_string(time_t timeVal);
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int is_directory(const char *name, const int followLinks, struct stat *statBuf);
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int isDevice(const char *name);
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typedef struct ino_dev_hash_bucket_struct {
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struct ino_dev_hash_bucket_struct *next;
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ino_t ino;
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dev_t dev;
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char name[1];
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} ino_dev_hashtable_bucket_t;
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int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name);
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void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
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void reset_ino_dev_hashtable(void);
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int copy_file(const char *srcName, const char *destName,
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int setModes, int followLinks, int forceFlag);
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int copy_file_chunk(int srcFd, int dstFd, size_t remaining);
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char *buildName(const char *dirName, const char *fileName);
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int makeString(int argc, const char **argv, char *buf, int bufLen);
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char *getChunk(int size);
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char *chunkstrdup(const char *str);
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void freeChunks(void);
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ssize_t safe_read(int fd, void *buf, size_t count);
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int full_write(int fd, const char *buf, int len);
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int full_read(int fd, char *buf, int len);
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int recursive_action(const char *fileName, int recurse, int followLinks, int depthFirst,
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int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData),
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int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData),
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void* userData);
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extern int create_path (const char *name, int mode);
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extern int parse_mode( const char* s, mode_t* theMode);
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extern int get_kernel_revision(void);
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|
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extern int get_console_fd(char* tty_name);
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extern struct mntent *find_mount_point(const char *name, const char *table);
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extern void write_mtab(char* blockDevice, char* directory,
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char* filesystemType, long flags, char* string_flags);
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extern void erase_mtab(const char * name);
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extern void mtab_read(void);
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extern char *mtab_first(void **iter);
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extern char *mtab_next(void **iter);
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extern char *mtab_getinfo(const char *match, const char which);
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extern int check_wildcard_match(const char* text, const char* pattern);
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extern long atoi_w_units (const char *cp);
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extern pid_t* find_pid_by_name( char* pidName);
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extern int find_real_root_device_name(char* name);
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extern char *get_line_from_file(FILE *file);
|
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extern void print_file(FILE *file);
|
||||
extern int print_file_by_name(char *filename);
|
||||
extern char process_escape_sequence(char **ptr);
|
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extern char *get_last_path_component(char *path);
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extern FILE *wfopen(const char *path, const char *mode);
|
||||
extern FILE *xfopen(const char *path, const char *mode);
|
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extern void chomp(char *s);
|
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extern void trim(char *s);
|
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extern struct BB_applet *find_applet_by_name(const char *name);
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void run_applet_by_name(const char *name, int argc, char **argv);
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#ifndef DMALLOC
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extern void *xmalloc (size_t size);
|
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extern void *xrealloc(void *old, size_t size);
|
||||
extern void *xcalloc(size_t nmemb, size_t size);
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extern char *xstrdup (const char *s);
|
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#endif
|
||||
extern char *xstrndup (const char *s, int n);
|
||||
extern char * safe_strncpy(char *dst, const char *src, size_t size);
|
||||
|
||||
struct suffix_mult {
|
||||
char *suffix;
|
||||
int mult;
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||||
};
|
||||
|
||||
extern unsigned long parse_number(const char *numstr,
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||||
const struct suffix_mult *suffixes);
|
||||
|
||||
|
||||
/* These parse entries in /etc/passwd and /etc/group. This is desirable
|
||||
* for BusyBox since we want to avoid using the glibc NSS stuff, which
|
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* increases target size and is often not needed embedded systems. */
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extern long my_getpwnam(const char *name);
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||||
extern long my_getgrnam(const char *name);
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extern void my_getpwuid(char *name, long uid);
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extern void my_getgrgid(char *group, long gid);
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extern long my_getpwnamegid(const char *name);
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|
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extern int device_open(char *device, int mode);
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||||
|
||||
#if defined BB_FEATURE_MOUNT_LOOP
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extern int del_loop(const char *device);
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||||
extern int set_loop(const char *device, const char *file, int offset, int *loopro);
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extern char *find_unused_loop_device (void);
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#ifdef BB_FEATURE_BUFFERS_GO_ON_STACK
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||||
#define RESERVE_BB_BUFFER(buffer,len) char buffer[len]
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#define RESERVE_BB_UBUFFER(buffer,len) unsigned char buffer[len]
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||||
#else
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#define RESERVE_BB_BUFFER(buffer,len) char *buffer=xmalloc(len)
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#define RESERVE_BB_UBUFFER(buffer,len) unsigned char *buffer=xmalloc(len)
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#endif
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|
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|
||||
#if (__GLIBC__ < 2) && (defined BB_SYSLOGD || defined BB_INIT)
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||||
extern int vdprintf(int d, const char *format, va_list ap);
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#endif
|
||||
|
||||
#if defined BB_NFSMOUNT
|
||||
int nfsmount(const char *spec, const char *node, int *flags,
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||||
char **extra_opts, char **mount_opts, int running_bg);
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||||
#endif
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||||
|
||||
#ifndef RB_POWER_OFF
|
||||
/* Stop system and switch power off if possible. */
|
||||
#define RB_POWER_OFF 0x4321fedc
|
||||
#endif
|
||||
|
||||
#if defined(BB_KLOGD) || defined(BB_LOGGER)
|
||||
void syslog_msg_with_name(const char *name, int facility, int pri, const char *msg);
|
||||
void syslog_msg(int facility, int pri, const char *msg);
|
||||
#endif
|
||||
|
||||
/* Include our own copy of struct sysinfo to avoid binary compatability
|
||||
* problems with Linux 2.4, which changed things. Grumble, grumble. */
|
||||
struct sysinfo {
|
||||
long uptime; /* Seconds since boot */
|
||||
unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
|
||||
unsigned long totalram; /* Total usable main memory size */
|
||||
unsigned long freeram; /* Available memory size */
|
||||
unsigned long sharedram; /* Amount of shared memory */
|
||||
unsigned long bufferram; /* Memory used by buffers */
|
||||
unsigned long totalswap; /* Total swap space size */
|
||||
unsigned long freeswap; /* swap space still available */
|
||||
unsigned short procs; /* Number of current processes */
|
||||
unsigned long totalhigh; /* Total high memory size */
|
||||
unsigned long freehigh; /* Available high memory size */
|
||||
unsigned int mem_unit; /* Memory unit size in bytes */
|
||||
char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
|
||||
};
|
||||
extern int sysinfo (struct sysinfo* info);
|
||||
|
||||
/* Bit map related macros -- libc5 doens't provide these... sigh. */
|
||||
#ifndef setbit
|
||||
#define NBBY CHAR_BIT
|
||||
@ -247,25 +90,15 @@ extern int sysinfo (struct sysinfo* info);
|
||||
#define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
|
||||
#endif
|
||||
|
||||
#ifdef BB_FEATURE_HUMAN_READABLE
|
||||
const char *make_human_readable_str(unsigned long val, unsigned long hr);
|
||||
#endif
|
||||
enum {
|
||||
KILOBYTE = 1024,
|
||||
MEGABYTE = (KILOBYTE*1024),
|
||||
GIGABYTE = (MEGABYTE*1024)
|
||||
};
|
||||
|
||||
#ifdef BB_FEATURE_BUFFERS_GO_ON_STACK
|
||||
#define RESERVE_BB_BUFFER(buffer,len) char buffer[len]
|
||||
#define RESERVE_BB_UBUFFER(buffer,len) unsigned char buffer[len]
|
||||
#else
|
||||
#define RESERVE_BB_BUFFER(buffer,len) char *buffer=xmalloc(len)
|
||||
#define RESERVE_BB_UBUFFER(buffer,len) unsigned char *buffer=xmalloc(len)
|
||||
#ifndef RB_POWER_OFF
|
||||
/* Stop system and switch power off if possible. */
|
||||
#define RB_POWER_OFF 0x4321fedc
|
||||
#endif
|
||||
|
||||
#if defined(BB_FEATURE_RM_INTERACTIVE) && defined(BB_RM)
|
||||
int ask_confirmation(void);
|
||||
#endif
|
||||
|
||||
/* Pull in the utility routines from libbb */
|
||||
#include "libbb/libbb.h"
|
||||
|
||||
|
||||
|
||||
#endif /* _BB_INTERNAL_H_ */
|
||||
|
@ -44,31 +44,6 @@ typedef unsigned int socklen_t;
|
||||
#endif
|
||||
|
||||
|
||||
/* Some useful definitions */
|
||||
#define FALSE ((int) 0)
|
||||
#define TRUE ((int) 1)
|
||||
#define SKIP ((int) 2)
|
||||
|
||||
/* for mtab.c */
|
||||
#define MTAB_GETMOUNTPT '1'
|
||||
#define MTAB_GETDEVICE '2'
|
||||
|
||||
#define BUF_SIZE 8192
|
||||
#define EXPAND_ALLOC 1024
|
||||
|
||||
static inline int is_decimal(ch) { return ((ch >= '0') && (ch <= '9')); }
|
||||
static inline int is_octal(ch) { return ((ch >= '0') && (ch <= '7')); }
|
||||
|
||||
/* Macros for min/max. */
|
||||
#ifndef MIN
|
||||
#define MIN(a,b) (((a)<(b))?(a):(b))
|
||||
#endif
|
||||
|
||||
#ifndef MAX
|
||||
#define MAX(a,b) (((a)>(b))?(a):(b))
|
||||
#endif
|
||||
|
||||
|
||||
enum Location {
|
||||
_BB_DIR_ROOT = 0,
|
||||
_BB_DIR_BIN,
|
||||
@ -97,147 +72,15 @@ extern const struct BB_applet applets[];
|
||||
|
||||
extern const char *applet_name;
|
||||
|
||||
extern void show_usage(void) __attribute__ ((noreturn));
|
||||
extern void error_msg(const char *s, ...);
|
||||
extern void error_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
|
||||
extern void perror_msg(const char *s, ...);
|
||||
extern void perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
|
||||
|
||||
const char *mode_string(int mode);
|
||||
const char *time_string(time_t timeVal);
|
||||
int is_directory(const char *name, const int followLinks, struct stat *statBuf);
|
||||
int isDevice(const char *name);
|
||||
|
||||
typedef struct ino_dev_hash_bucket_struct {
|
||||
struct ino_dev_hash_bucket_struct *next;
|
||||
ino_t ino;
|
||||
dev_t dev;
|
||||
char name[1];
|
||||
} ino_dev_hashtable_bucket_t;
|
||||
int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name);
|
||||
void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
|
||||
void reset_ino_dev_hashtable(void);
|
||||
|
||||
int copy_file(const char *srcName, const char *destName,
|
||||
int setModes, int followLinks, int forceFlag);
|
||||
int copy_file_chunk(int srcFd, int dstFd, size_t remaining);
|
||||
char *buildName(const char *dirName, const char *fileName);
|
||||
int makeString(int argc, const char **argv, char *buf, int bufLen);
|
||||
char *getChunk(int size);
|
||||
char *chunkstrdup(const char *str);
|
||||
void freeChunks(void);
|
||||
ssize_t safe_read(int fd, void *buf, size_t count);
|
||||
int full_write(int fd, const char *buf, int len);
|
||||
int full_read(int fd, char *buf, int len);
|
||||
int recursive_action(const char *fileName, int recurse, int followLinks, int depthFirst,
|
||||
int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData),
|
||||
int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData),
|
||||
void* userData);
|
||||
|
||||
extern int create_path (const char *name, int mode);
|
||||
extern int parse_mode( const char* s, mode_t* theMode);
|
||||
|
||||
extern int get_kernel_revision(void);
|
||||
|
||||
extern int get_console_fd(char* tty_name);
|
||||
extern struct mntent *find_mount_point(const char *name, const char *table);
|
||||
extern void write_mtab(char* blockDevice, char* directory,
|
||||
char* filesystemType, long flags, char* string_flags);
|
||||
extern void erase_mtab(const char * name);
|
||||
extern void mtab_read(void);
|
||||
extern char *mtab_first(void **iter);
|
||||
extern char *mtab_next(void **iter);
|
||||
extern char *mtab_getinfo(const char *match, const char which);
|
||||
extern int check_wildcard_match(const char* text, const char* pattern);
|
||||
extern long atoi_w_units (const char *cp);
|
||||
extern pid_t* find_pid_by_name( char* pidName);
|
||||
extern int find_real_root_device_name(char* name);
|
||||
extern char *get_line_from_file(FILE *file);
|
||||
extern void print_file(FILE *file);
|
||||
extern int print_file_by_name(char *filename);
|
||||
extern char process_escape_sequence(char **ptr);
|
||||
extern char *get_last_path_component(char *path);
|
||||
extern FILE *wfopen(const char *path, const char *mode);
|
||||
extern FILE *xfopen(const char *path, const char *mode);
|
||||
extern void chomp(char *s);
|
||||
extern void trim(char *s);
|
||||
extern struct BB_applet *find_applet_by_name(const char *name);
|
||||
void run_applet_by_name(const char *name, int argc, char **argv);
|
||||
|
||||
#ifndef DMALLOC
|
||||
extern void *xmalloc (size_t size);
|
||||
extern void *xrealloc(void *old, size_t size);
|
||||
extern void *xcalloc(size_t nmemb, size_t size);
|
||||
extern char *xstrdup (const char *s);
|
||||
#endif
|
||||
extern char *xstrndup (const char *s, int n);
|
||||
extern char * safe_strncpy(char *dst, const char *src, size_t size);
|
||||
|
||||
struct suffix_mult {
|
||||
char *suffix;
|
||||
int mult;
|
||||
};
|
||||
|
||||
extern unsigned long parse_number(const char *numstr,
|
||||
const struct suffix_mult *suffixes);
|
||||
|
||||
|
||||
/* These parse entries in /etc/passwd and /etc/group. This is desirable
|
||||
* for BusyBox since we want to avoid using the glibc NSS stuff, which
|
||||
* increases target size and is often not needed embedded systems. */
|
||||
extern long my_getpwnam(const char *name);
|
||||
extern long my_getgrnam(const char *name);
|
||||
extern void my_getpwuid(char *name, long uid);
|
||||
extern void my_getgrgid(char *group, long gid);
|
||||
extern long my_getpwnamegid(const char *name);
|
||||
|
||||
extern int device_open(char *device, int mode);
|
||||
|
||||
#if defined BB_FEATURE_MOUNT_LOOP
|
||||
extern int del_loop(const char *device);
|
||||
extern int set_loop(const char *device, const char *file, int offset, int *loopro);
|
||||
extern char *find_unused_loop_device (void);
|
||||
#ifdef BB_FEATURE_BUFFERS_GO_ON_STACK
|
||||
#define RESERVE_BB_BUFFER(buffer,len) char buffer[len]
|
||||
#define RESERVE_BB_UBUFFER(buffer,len) unsigned char buffer[len]
|
||||
#else
|
||||
#define RESERVE_BB_BUFFER(buffer,len) char *buffer=xmalloc(len)
|
||||
#define RESERVE_BB_UBUFFER(buffer,len) unsigned char *buffer=xmalloc(len)
|
||||
#endif
|
||||
|
||||
|
||||
#if (__GLIBC__ < 2) && (defined BB_SYSLOGD || defined BB_INIT)
|
||||
extern int vdprintf(int d, const char *format, va_list ap);
|
||||
#endif
|
||||
|
||||
#if defined BB_NFSMOUNT
|
||||
int nfsmount(const char *spec, const char *node, int *flags,
|
||||
char **extra_opts, char **mount_opts, int running_bg);
|
||||
#endif
|
||||
|
||||
#ifndef RB_POWER_OFF
|
||||
/* Stop system and switch power off if possible. */
|
||||
#define RB_POWER_OFF 0x4321fedc
|
||||
#endif
|
||||
|
||||
#if defined(BB_KLOGD) || defined(BB_LOGGER)
|
||||
void syslog_msg_with_name(const char *name, int facility, int pri, const char *msg);
|
||||
void syslog_msg(int facility, int pri, const char *msg);
|
||||
#endif
|
||||
|
||||
/* Include our own copy of struct sysinfo to avoid binary compatability
|
||||
* problems with Linux 2.4, which changed things. Grumble, grumble. */
|
||||
struct sysinfo {
|
||||
long uptime; /* Seconds since boot */
|
||||
unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
|
||||
unsigned long totalram; /* Total usable main memory size */
|
||||
unsigned long freeram; /* Available memory size */
|
||||
unsigned long sharedram; /* Amount of shared memory */
|
||||
unsigned long bufferram; /* Memory used by buffers */
|
||||
unsigned long totalswap; /* Total swap space size */
|
||||
unsigned long freeswap; /* swap space still available */
|
||||
unsigned short procs; /* Number of current processes */
|
||||
unsigned long totalhigh; /* Total high memory size */
|
||||
unsigned long freehigh; /* Available high memory size */
|
||||
unsigned int mem_unit; /* Memory unit size in bytes */
|
||||
char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
|
||||
};
|
||||
extern int sysinfo (struct sysinfo* info);
|
||||
|
||||
/* Bit map related macros -- libc5 doens't provide these... sigh. */
|
||||
#ifndef setbit
|
||||
#define NBBY CHAR_BIT
|
||||
@ -247,25 +90,15 @@ extern int sysinfo (struct sysinfo* info);
|
||||
#define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
|
||||
#endif
|
||||
|
||||
#ifdef BB_FEATURE_HUMAN_READABLE
|
||||
const char *make_human_readable_str(unsigned long val, unsigned long hr);
|
||||
#endif
|
||||
enum {
|
||||
KILOBYTE = 1024,
|
||||
MEGABYTE = (KILOBYTE*1024),
|
||||
GIGABYTE = (MEGABYTE*1024)
|
||||
};
|
||||
|
||||
#ifdef BB_FEATURE_BUFFERS_GO_ON_STACK
|
||||
#define RESERVE_BB_BUFFER(buffer,len) char buffer[len]
|
||||
#define RESERVE_BB_UBUFFER(buffer,len) unsigned char buffer[len]
|
||||
#else
|
||||
#define RESERVE_BB_BUFFER(buffer,len) char *buffer=xmalloc(len)
|
||||
#define RESERVE_BB_UBUFFER(buffer,len) unsigned char *buffer=xmalloc(len)
|
||||
#ifndef RB_POWER_OFF
|
||||
/* Stop system and switch power off if possible. */
|
||||
#define RB_POWER_OFF 0x4321fedc
|
||||
#endif
|
||||
|
||||
#if defined(BB_FEATURE_RM_INTERACTIVE) && defined(BB_RM)
|
||||
int ask_confirmation(void);
|
||||
#endif
|
||||
|
||||
/* Pull in the utility routines from libbb */
|
||||
#include "libbb/libbb.h"
|
||||
|
||||
|
||||
|
||||
#endif /* _BB_INTERNAL_H_ */
|
||||
|
209
include/libbb.h
Normal file
209
include/libbb.h
Normal file
@ -0,0 +1,209 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Busybox main internal header file
|
||||
*
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
#ifndef __LIBBB_H__
|
||||
#define __LIBBB_H__ 1
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdarg.h>
|
||||
#include <sys/stat.h>
|
||||
#include <sys/types.h>
|
||||
|
||||
#ifdef DMALLOC
|
||||
#include "dmalloc.h"
|
||||
#endif
|
||||
|
||||
#include <features.h>
|
||||
/* Stupid libc doesn't have a reliable way for use to know
|
||||
* that libc5 is being used. Assume this is good enough */
|
||||
#if ! defined __GLIBC__ && ! defined __UCLIBC__
|
||||
/* libc5 doesn't define socklen_t */
|
||||
typedef unsigned int socklen_t;
|
||||
#endif
|
||||
|
||||
/* Some useful definitions */
|
||||
#define FALSE ((int) 0)
|
||||
#define TRUE ((int) 1)
|
||||
#define SKIP ((int) 2)
|
||||
|
||||
/* for mtab.c */
|
||||
#define MTAB_GETMOUNTPT '1'
|
||||
#define MTAB_GETDEVICE '2'
|
||||
|
||||
#define BUF_SIZE 8192
|
||||
#define EXPAND_ALLOC 1024
|
||||
|
||||
static inline int is_decimal(ch) { return ((ch >= '0') && (ch <= '9')); }
|
||||
static inline int is_octal(ch) { return ((ch >= '0') && (ch <= '7')); }
|
||||
|
||||
/* Macros for min/max. */
|
||||
#ifndef MIN
|
||||
#define MIN(a,b) (((a)<(b))?(a):(b))
|
||||
#endif
|
||||
|
||||
#ifndef MAX
|
||||
#define MAX(a,b) (((a)>(b))?(a):(b))
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
extern void show_usage(void) __attribute__ ((noreturn));
|
||||
extern void error_msg(const char *s, ...);
|
||||
extern void error_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
|
||||
extern void perror_msg(const char *s, ...);
|
||||
extern void perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
|
||||
|
||||
const char *mode_string(int mode);
|
||||
const char *time_string(time_t timeVal);
|
||||
int is_directory(const char *name, const int followLinks, struct stat *statBuf);
|
||||
int isDevice(const char *name);
|
||||
|
||||
typedef struct ino_dev_hash_bucket_struct {
|
||||
struct ino_dev_hash_bucket_struct *next;
|
||||
ino_t ino;
|
||||
dev_t dev;
|
||||
char name[1];
|
||||
} ino_dev_hashtable_bucket_t;
|
||||
int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name);
|
||||
void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
|
||||
void reset_ino_dev_hashtable(void);
|
||||
|
||||
int copy_file(const char *srcName, const char *destName,
|
||||
int setModes, int followLinks, int forceFlag);
|
||||
int copy_file_chunk(int srcFd, int dstFd, size_t remaining);
|
||||
char *buildName(const char *dirName, const char *fileName);
|
||||
int makeString(int argc, const char **argv, char *buf, int bufLen);
|
||||
char *getChunk(int size);
|
||||
char *chunkstrdup(const char *str);
|
||||
void freeChunks(void);
|
||||
ssize_t safe_read(int fd, void *buf, size_t count);
|
||||
int full_write(int fd, const char *buf, int len);
|
||||
int full_read(int fd, char *buf, int len);
|
||||
int recursive_action(const char *fileName, int recurse, int followLinks, int depthFirst,
|
||||
int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData),
|
||||
int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData),
|
||||
void* userData);
|
||||
|
||||
extern int create_path (const char *name, int mode);
|
||||
extern int parse_mode( const char* s, mode_t* theMode);
|
||||
|
||||
extern int get_kernel_revision(void);
|
||||
|
||||
extern int get_console_fd(char* tty_name);
|
||||
extern struct mntent *find_mount_point(const char *name, const char *table);
|
||||
extern void write_mtab(char* blockDevice, char* directory,
|
||||
char* filesystemType, long flags, char* string_flags);
|
||||
extern void erase_mtab(const char * name);
|
||||
extern void mtab_read(void);
|
||||
extern char *mtab_first(void **iter);
|
||||
extern char *mtab_next(void **iter);
|
||||
extern char *mtab_getinfo(const char *match, const char which);
|
||||
extern int check_wildcard_match(const char* text, const char* pattern);
|
||||
extern long atoi_w_units (const char *cp);
|
||||
extern pid_t* find_pid_by_name( char* pidName);
|
||||
extern int find_real_root_device_name(char* name);
|
||||
extern char *get_line_from_file(FILE *file);
|
||||
extern void print_file(FILE *file);
|
||||
extern int print_file_by_name(char *filename);
|
||||
extern char process_escape_sequence(char **ptr);
|
||||
extern char *get_last_path_component(char *path);
|
||||
extern FILE *wfopen(const char *path, const char *mode);
|
||||
extern FILE *xfopen(const char *path, const char *mode);
|
||||
extern void chomp(char *s);
|
||||
extern void trim(char *s);
|
||||
extern struct BB_applet *find_applet_by_name(const char *name);
|
||||
void run_applet_by_name(const char *name, int argc, char **argv);
|
||||
|
||||
#ifndef DMALLOC
|
||||
extern void *xmalloc (size_t size);
|
||||
extern void *xrealloc(void *old, size_t size);
|
||||
extern void *xcalloc(size_t nmemb, size_t size);
|
||||
extern char *xstrdup (const char *s);
|
||||
#endif
|
||||
extern char *xstrndup (const char *s, int n);
|
||||
extern char * safe_strncpy(char *dst, const char *src, size_t size);
|
||||
|
||||
struct suffix_mult {
|
||||
char *suffix;
|
||||
int mult;
|
||||
};
|
||||
|
||||
extern unsigned long parse_number(const char *numstr,
|
||||
const struct suffix_mult *suffixes);
|
||||
|
||||
|
||||
/* These parse entries in /etc/passwd and /etc/group. This is desirable
|
||||
* for BusyBox since we want to avoid using the glibc NSS stuff, which
|
||||
* increases target size and is often not needed embedded systems. */
|
||||
extern long my_getpwnam(const char *name);
|
||||
extern long my_getgrnam(const char *name);
|
||||
extern void my_getpwuid(char *name, long uid);
|
||||
extern void my_getgrgid(char *group, long gid);
|
||||
extern long my_getpwnamegid(const char *name);
|
||||
|
||||
extern int device_open(char *device, int mode);
|
||||
|
||||
extern int del_loop(const char *device);
|
||||
extern int set_loop(const char *device, const char *file, int offset, int *loopro);
|
||||
extern char *find_unused_loop_device (void);
|
||||
|
||||
|
||||
#if (__GLIBC__ < 2)
|
||||
extern int vdprintf(int d, const char *format, va_list ap);
|
||||
#endif
|
||||
|
||||
int nfsmount(const char *spec, const char *node, int *flags,
|
||||
char **extra_opts, char **mount_opts, int running_bg);
|
||||
|
||||
void syslog_msg_with_name(const char *name, int facility, int pri, const char *msg);
|
||||
void syslog_msg(int facility, int pri, const char *msg);
|
||||
|
||||
/* Include our own copy of struct sysinfo to avoid binary compatability
|
||||
* problems with Linux 2.4, which changed things. Grumble, grumble. */
|
||||
struct sysinfo {
|
||||
long uptime; /* Seconds since boot */
|
||||
unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
|
||||
unsigned long totalram; /* Total usable main memory size */
|
||||
unsigned long freeram; /* Available memory size */
|
||||
unsigned long sharedram; /* Amount of shared memory */
|
||||
unsigned long bufferram; /* Memory used by buffers */
|
||||
unsigned long totalswap; /* Total swap space size */
|
||||
unsigned long freeswap; /* swap space still available */
|
||||
unsigned short procs; /* Number of current processes */
|
||||
unsigned long totalhigh; /* Total high memory size */
|
||||
unsigned long freehigh; /* Available high memory size */
|
||||
unsigned int mem_unit; /* Memory unit size in bytes */
|
||||
char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
|
||||
};
|
||||
extern int sysinfo (struct sysinfo* info);
|
||||
|
||||
const char *make_human_readable_str(unsigned long val, unsigned long hr);
|
||||
enum {
|
||||
KILOBYTE = 1024,
|
||||
MEGABYTE = (KILOBYTE*1024),
|
||||
GIGABYTE = (MEGABYTE*1024)
|
||||
};
|
||||
|
||||
int ask_confirmation(void);
|
||||
|
||||
#endif /* __LIBBB_H__ */
|
53
libbb/ask_confirmation.c
Normal file
53
libbb/ask_confirmation.c
Normal file
@ -0,0 +1,53 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
int ask_confirmation()
|
||||
{
|
||||
int c = '\0';
|
||||
int ret = 0;
|
||||
|
||||
while (c != '\n') {
|
||||
c = getchar();
|
||||
if ( c != '\n' ) {
|
||||
ret = ((c=='y')||(c=='Y')) ? 1 : 0;
|
||||
}
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
140
libbb/check_wildcard_match.c
Normal file
140
libbb/check_wildcard_match.c
Normal file
@ -0,0 +1,140 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
/*
|
||||
* Routine to see if a text string is matched by a wildcard pattern.
|
||||
* Returns TRUE if the text is matched, or FALSE if it is not matched
|
||||
* or if the pattern is invalid.
|
||||
* * matches zero or more characters
|
||||
* ? matches a single character
|
||||
* [abc] matches 'a', 'b' or 'c'
|
||||
* \c quotes character c
|
||||
* Adapted from code written by Ingo Wilken, and
|
||||
* then taken from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission is granted to use, distribute, or modify this source,
|
||||
* provided that this copyright notice remains intact.
|
||||
* Permission to distribute this code under the GPL has been granted.
|
||||
*/
|
||||
extern int check_wildcard_match(const char *text, const char *pattern)
|
||||
{
|
||||
const char *retryPat;
|
||||
const char *retryText;
|
||||
int ch;
|
||||
int found;
|
||||
int len;
|
||||
|
||||
retryPat = NULL;
|
||||
retryText = NULL;
|
||||
|
||||
while (*text || *pattern) {
|
||||
ch = *pattern++;
|
||||
|
||||
switch (ch) {
|
||||
case '*':
|
||||
retryPat = pattern;
|
||||
retryText = text;
|
||||
break;
|
||||
|
||||
case '[':
|
||||
found = FALSE;
|
||||
|
||||
while ((ch = *pattern++) != ']') {
|
||||
if (ch == '\\')
|
||||
ch = *pattern++;
|
||||
|
||||
if (ch == '\0')
|
||||
return FALSE;
|
||||
|
||||
if (*text == ch)
|
||||
found = TRUE;
|
||||
}
|
||||
len=strlen(text);
|
||||
if (found == FALSE && len!=0) {
|
||||
return FALSE;
|
||||
}
|
||||
if (found == TRUE) {
|
||||
if (strlen(pattern)==0 && len==1) {
|
||||
return TRUE;
|
||||
}
|
||||
if (len!=0) {
|
||||
text++;
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
/* fall into next case */
|
||||
|
||||
case '?':
|
||||
if (*text++ == '\0')
|
||||
return FALSE;
|
||||
|
||||
break;
|
||||
|
||||
case '\\':
|
||||
ch = *pattern++;
|
||||
|
||||
if (ch == '\0')
|
||||
return FALSE;
|
||||
|
||||
/* fall into next case */
|
||||
|
||||
default:
|
||||
if (*text == ch) {
|
||||
if (*text)
|
||||
text++;
|
||||
break;
|
||||
}
|
||||
|
||||
if (*text) {
|
||||
pattern = retryPat;
|
||||
text = ++retryText;
|
||||
break;
|
||||
}
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
if (pattern == NULL)
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
51
libbb/chomp.c
Normal file
51
libbb/chomp.c
Normal file
@ -0,0 +1,51 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
void chomp(char *s)
|
||||
{
|
||||
size_t len = strlen(s);
|
||||
|
||||
if (len == 0)
|
||||
return;
|
||||
|
||||
if (s[len-1] == '\n')
|
||||
s[len-1] = '\0';
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
180
libbb/copy_file.c
Normal file
180
libbb/copy_file.c
Normal file
@ -0,0 +1,180 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <errno.h>
|
||||
#include <utime.h>
|
||||
#include <unistd.h>
|
||||
#include <fcntl.h>
|
||||
#include <sys/stat.h>
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
/*
|
||||
* Copy one file to another, while possibly preserving its modes, times, and
|
||||
* modes. Returns TRUE if successful, or FALSE on a failure with an error
|
||||
* message output. (Failure is not indicated if attributes cannot be set.)
|
||||
* -Erik Andersen
|
||||
*/
|
||||
int
|
||||
copy_file(const char *srcName, const char *destName,
|
||||
int setModes, int followLinks, int forceFlag)
|
||||
{
|
||||
int rfd;
|
||||
int wfd;
|
||||
int status;
|
||||
struct stat srcStatBuf;
|
||||
struct stat dstStatBuf;
|
||||
struct utimbuf times;
|
||||
|
||||
if (followLinks == TRUE)
|
||||
status = stat(srcName, &srcStatBuf);
|
||||
else
|
||||
status = lstat(srcName, &srcStatBuf);
|
||||
|
||||
if (status < 0) {
|
||||
perror_msg("%s", srcName);
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
if (followLinks == TRUE)
|
||||
status = stat(destName, &dstStatBuf);
|
||||
else
|
||||
status = lstat(destName, &dstStatBuf);
|
||||
|
||||
if (status < 0 || forceFlag==TRUE) {
|
||||
unlink(destName);
|
||||
dstStatBuf.st_ino = -1;
|
||||
dstStatBuf.st_dev = -1;
|
||||
}
|
||||
|
||||
if ((srcStatBuf.st_dev == dstStatBuf.st_dev) &&
|
||||
(srcStatBuf.st_ino == dstStatBuf.st_ino)) {
|
||||
error_msg("Copying file \"%s\" to itself", srcName);
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
if (S_ISDIR(srcStatBuf.st_mode)) {
|
||||
//fprintf(stderr, "copying directory %s to %s\n", srcName, destName);
|
||||
/* Make sure the directory is writable */
|
||||
status = mkdir(destName, 0777777 ^ umask(0));
|
||||
if (status < 0 && errno != EEXIST) {
|
||||
perror_msg("%s", destName);
|
||||
return FALSE;
|
||||
}
|
||||
} else if (S_ISLNK(srcStatBuf.st_mode)) {
|
||||
char link_val[BUFSIZ + 1];
|
||||
int link_size;
|
||||
|
||||
//fprintf(stderr, "copying link %s to %s\n", srcName, destName);
|
||||
/* Warning: This could possibly truncate silently, to BUFSIZ chars */
|
||||
link_size = readlink(srcName, &link_val[0], BUFSIZ);
|
||||
if (link_size < 0) {
|
||||
perror_msg("%s", srcName);
|
||||
return FALSE;
|
||||
}
|
||||
link_val[link_size] = '\0';
|
||||
status = symlink(link_val, destName);
|
||||
if (status < 0) {
|
||||
perror_msg("%s", destName);
|
||||
return FALSE;
|
||||
}
|
||||
#if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
|
||||
if (setModes == TRUE) {
|
||||
/* Try to set owner, but fail silently like GNU cp */
|
||||
lchown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid);
|
||||
}
|
||||
#endif
|
||||
return TRUE;
|
||||
} else if (S_ISFIFO(srcStatBuf.st_mode)) {
|
||||
//fprintf(stderr, "copying fifo %s to %s\n", srcName, destName);
|
||||
if (mkfifo(destName, 0644) < 0) {
|
||||
perror_msg("%s", destName);
|
||||
return FALSE;
|
||||
}
|
||||
} else if (S_ISBLK(srcStatBuf.st_mode) || S_ISCHR(srcStatBuf.st_mode)
|
||||
|| S_ISSOCK(srcStatBuf.st_mode)) {
|
||||
//fprintf(stderr, "copying soc, blk, or chr %s to %s\n", srcName, destName);
|
||||
if (mknod(destName, srcStatBuf.st_mode, srcStatBuf.st_rdev) < 0) {
|
||||
perror_msg("%s", destName);
|
||||
return FALSE;
|
||||
}
|
||||
} else if (S_ISREG(srcStatBuf.st_mode)) {
|
||||
//fprintf(stderr, "copying regular file %s to %s\n", srcName, destName);
|
||||
rfd = open(srcName, O_RDONLY);
|
||||
if (rfd < 0) {
|
||||
perror_msg("%s", srcName);
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
wfd = open(destName, O_WRONLY | O_CREAT | O_TRUNC,
|
||||
srcStatBuf.st_mode);
|
||||
if (wfd < 0) {
|
||||
perror_msg("%s", destName);
|
||||
close(rfd);
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
if (copy_file_chunk(rfd, wfd, srcStatBuf.st_size)==FALSE)
|
||||
goto error_exit;
|
||||
|
||||
close(rfd);
|
||||
if (close(wfd) < 0) {
|
||||
return FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
if (setModes == TRUE) {
|
||||
/* This is fine, since symlinks never get here */
|
||||
if (chown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid) < 0)
|
||||
perror_msg_and_die("%s", destName);
|
||||
if (chmod(destName, srcStatBuf.st_mode) < 0)
|
||||
perror_msg_and_die("%s", destName);
|
||||
times.actime = srcStatBuf.st_atime;
|
||||
times.modtime = srcStatBuf.st_mtime;
|
||||
if (utime(destName, ×) < 0)
|
||||
perror_msg_and_die("%s", destName);
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
|
||||
error_exit:
|
||||
perror_msg("%s", destName);
|
||||
close(rfd);
|
||||
close(wfd);
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
60
libbb/copy_file_chunk.c
Normal file
60
libbb/copy_file_chunk.c
Normal file
@ -0,0 +1,60 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <sys/stat.h>
|
||||
#include "libbb.h"
|
||||
|
||||
/*
|
||||
* Copy chunksize bytes between two file descriptors
|
||||
*/
|
||||
int copy_file_chunk(int srcfd, int dstfd, size_t chunksize)
|
||||
{
|
||||
size_t size;
|
||||
char buffer[BUFSIZ]; /* BUFSIZ is declared in stdio.h */
|
||||
|
||||
while (chunksize > 0) {
|
||||
if (chunksize > BUFSIZ)
|
||||
size = BUFSIZ;
|
||||
else
|
||||
size = chunksize;
|
||||
if (full_write(dstfd, buffer, full_read(srcfd, buffer, size)) < size)
|
||||
return(FALSE);
|
||||
chunksize -= size;
|
||||
}
|
||||
return (TRUE);
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
71
libbb/create_path.c
Normal file
71
libbb/create_path.c
Normal file
@ -0,0 +1,71 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <errno.h>
|
||||
#include <string.h>
|
||||
#include "libbb.h"
|
||||
|
||||
/*
|
||||
* Attempt to create the directories along the specified path, except for
|
||||
* the final component. The mode is given for the final directory only,
|
||||
* while all previous ones get default protections. Errors are not reported
|
||||
* here, as failures to restore files can be reported later.
|
||||
*/
|
||||
extern int create_path(const char *name, int mode)
|
||||
{
|
||||
char *cp;
|
||||
char *cpOld;
|
||||
char buf[BUFSIZ + 1];
|
||||
int retVal = 0;
|
||||
|
||||
strcpy(buf, name);
|
||||
for (cp = buf; *cp == '/'; cp++);
|
||||
cp = strchr(cp, '/');
|
||||
while (cp) {
|
||||
cpOld = cp;
|
||||
cp = strchr(cp + 1, '/');
|
||||
*cpOld = '\0';
|
||||
retVal = mkdir(buf, cp ? 0777 : mode);
|
||||
if (retVal != 0 && errno != EEXIST) {
|
||||
perror_msg("%s", buf);
|
||||
return FALSE;
|
||||
}
|
||||
*cpOld = '/';
|
||||
}
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
59
libbb/device_open.c
Normal file
59
libbb/device_open.c
Normal file
@ -0,0 +1,59 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <fcntl.h>
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
/* try to open up the specified device */
|
||||
extern int device_open(char *device, int mode)
|
||||
{
|
||||
int m, f, fd = -1;
|
||||
|
||||
m = mode | O_NONBLOCK;
|
||||
|
||||
/* Retry up to 5 times */
|
||||
for (f = 0; f < 5; f++)
|
||||
if ((fd = open(device, m, 0600)) >= 0)
|
||||
break;
|
||||
if (fd < 0)
|
||||
return fd;
|
||||
/* Reset original flags. */
|
||||
if (m != mode)
|
||||
fcntl(fd, F_SETFL, mode);
|
||||
return fd;
|
||||
}
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
100
libbb/error_msg.c
Normal file
100
libbb/error_msg.c
Normal file
@ -0,0 +1,100 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <errno.h>
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
#include "libbb.h"
|
||||
|
||||
extern const char *applet_name;
|
||||
|
||||
static void verror_msg(const char *s, va_list p)
|
||||
{
|
||||
fflush(stdout);
|
||||
fprintf(stderr, "%s: ", applet_name);
|
||||
vfprintf(stderr, s, p);
|
||||
}
|
||||
|
||||
extern void error_msg(const char *s, ...)
|
||||
{
|
||||
va_list p;
|
||||
|
||||
va_start(p, s);
|
||||
verror_msg(s, p);
|
||||
va_end(p);
|
||||
putc('\n', stderr);
|
||||
}
|
||||
|
||||
extern void error_msg_and_die(const char *s, ...)
|
||||
{
|
||||
va_list p;
|
||||
|
||||
va_start(p, s);
|
||||
verror_msg(s, p);
|
||||
va_end(p);
|
||||
putc('\n', stderr);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
|
||||
static void vperror_msg(const char *s, va_list p)
|
||||
{
|
||||
int err=errno;
|
||||
if(s == 0) s = "";
|
||||
verror_msg(s, p);
|
||||
if (*s) s = ": ";
|
||||
fprintf(stderr, "%s%s\n", s, strerror(err));
|
||||
}
|
||||
|
||||
extern void perror_msg(const char *s, ...)
|
||||
{
|
||||
va_list p;
|
||||
|
||||
va_start(p, s);
|
||||
vperror_msg(s, p);
|
||||
va_end(p);
|
||||
}
|
||||
|
||||
extern void perror_msg_and_die(const char *s, ...)
|
||||
{
|
||||
va_list p;
|
||||
|
||||
va_start(p, s);
|
||||
vperror_msg(s, p);
|
||||
va_end(p);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
80
libbb/find_mount_point.c
Normal file
80
libbb/find_mount_point.c
Normal file
@ -0,0 +1,80 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
#include <mntent.h>
|
||||
/*
|
||||
* Given a block device, find the mount table entry if that block device
|
||||
* is mounted.
|
||||
*
|
||||
* Given any other file (or directory), find the mount table entry for its
|
||||
* filesystem.
|
||||
*/
|
||||
extern struct mntent *find_mount_point(const char *name, const char *table)
|
||||
{
|
||||
struct stat s;
|
||||
dev_t mountDevice;
|
||||
FILE *mountTable;
|
||||
struct mntent *mountEntry;
|
||||
|
||||
if (stat(name, &s) != 0)
|
||||
return 0;
|
||||
|
||||
if ((s.st_mode & S_IFMT) == S_IFBLK)
|
||||
mountDevice = s.st_rdev;
|
||||
else
|
||||
mountDevice = s.st_dev;
|
||||
|
||||
|
||||
if ((mountTable = setmntent(table, "r")) == 0)
|
||||
return 0;
|
||||
|
||||
while ((mountEntry = getmntent(mountTable)) != 0) {
|
||||
if (strcmp(name, mountEntry->mnt_dir) == 0
|
||||
|| strcmp(name, mountEntry->mnt_fsname) == 0) /* String match. */
|
||||
break;
|
||||
if (stat(mountEntry->mnt_fsname, &s) == 0 && s.st_rdev == mountDevice) /* Match the device. */
|
||||
break;
|
||||
if (stat(mountEntry->mnt_dir, &s) == 0 && s.st_dev == mountDevice) /* Match the directory's mount point. */
|
||||
break;
|
||||
}
|
||||
endmntent(mountTable);
|
||||
return mountEntry;
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
168
libbb/find_pid_by_name.c
Normal file
168
libbb/find_pid_by_name.c
Normal file
@ -0,0 +1,168 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <ctype.h>
|
||||
#include <string.h>
|
||||
#include <dirent.h>
|
||||
#include <stdlib.h>
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
/* For Erik's nifty devps device driver */
|
||||
#ifdef BB_FEATURE_USE_DEVPS_PATCH
|
||||
#include <linux/devps.h>
|
||||
|
||||
/* find_pid_by_name()
|
||||
*
|
||||
* This finds the pid of the specified process,
|
||||
* by using the /dev/ps device driver.
|
||||
*
|
||||
* Returns a list of all matching PIDs
|
||||
*/
|
||||
extern pid_t* find_pid_by_name( char* pidName)
|
||||
{
|
||||
int fd, i, j;
|
||||
char device[] = "/dev/ps";
|
||||
pid_t num_pids;
|
||||
pid_t* pid_array = NULL;
|
||||
pid_t* pidList=NULL;
|
||||
|
||||
/* open device */
|
||||
fd = open(device, O_RDONLY);
|
||||
if (fd < 0)
|
||||
perror_msg_and_die("open failed for `%s'", device);
|
||||
|
||||
/* Find out how many processes there are */
|
||||
if (ioctl (fd, DEVPS_GET_NUM_PIDS, &num_pids)<0)
|
||||
perror_msg_and_die("\nDEVPS_GET_PID_LIST");
|
||||
|
||||
/* Allocate some memory -- grab a few extras just in case
|
||||
* some new processes start up while we wait. The kernel will
|
||||
* just ignore any extras if we give it too many, and will trunc.
|
||||
* the list if we give it too few. */
|
||||
pid_array = (pid_t*) xcalloc( num_pids+10, sizeof(pid_t));
|
||||
pid_array[0] = num_pids+10;
|
||||
|
||||
/* Now grab the pid list */
|
||||
if (ioctl (fd, DEVPS_GET_PID_LIST, pid_array)<0)
|
||||
perror_msg_and_die("\nDEVPS_GET_PID_LIST");
|
||||
|
||||
/* Now search for a match */
|
||||
for (i=1, j=0; i<pid_array[0] ; i++) {
|
||||
char* p;
|
||||
struct pid_info info;
|
||||
|
||||
info.pid = pid_array[i];
|
||||
if (ioctl (fd, DEVPS_GET_PID_INFO, &info)<0)
|
||||
perror_msg_and_die("\nDEVPS_GET_PID_INFO");
|
||||
|
||||
/* Make sure we only match on the process name */
|
||||
p=info.command_line+1;
|
||||
while ((*p != 0) && !isspace(*(p)) && (*(p-1) != '\\')) {
|
||||
(p)++;
|
||||
}
|
||||
if (isspace(*(p)))
|
||||
*p='\0';
|
||||
|
||||
if ((strstr(info.command_line, pidName) != NULL)
|
||||
&& (strlen(pidName) == strlen(info.command_line))) {
|
||||
pidList=xrealloc( pidList, sizeof(pid_t) * (j+2));
|
||||
pidList[j++]=info.pid;
|
||||
}
|
||||
}
|
||||
if (pidList)
|
||||
pidList[j]=0;
|
||||
|
||||
/* Free memory */
|
||||
free( pid_array);
|
||||
|
||||
/* close device */
|
||||
if (close (fd) != 0)
|
||||
perror_msg_and_die("close failed for `%s'", device);
|
||||
|
||||
return pidList;
|
||||
}
|
||||
|
||||
#else /* BB_FEATURE_USE_DEVPS_PATCH */
|
||||
|
||||
/* find_pid_by_name()
|
||||
*
|
||||
* This finds the pid of the specified process.
|
||||
* Currently, it's implemented by rummaging through
|
||||
* the proc filesystem.
|
||||
*
|
||||
* Returns a list of all matching PIDs
|
||||
*/
|
||||
extern pid_t* find_pid_by_name( char* pidName)
|
||||
{
|
||||
DIR *dir;
|
||||
struct dirent *next;
|
||||
pid_t* pidList=NULL;
|
||||
int i=0;
|
||||
|
||||
dir = opendir("/proc");
|
||||
if (!dir)
|
||||
perror_msg_and_die("Cannot open /proc");
|
||||
|
||||
while ((next = readdir(dir)) != NULL) {
|
||||
FILE *status;
|
||||
char filename[256];
|
||||
char buffer[256];
|
||||
|
||||
/* If it isn't a number, we don't want it */
|
||||
if (!isdigit(*next->d_name))
|
||||
continue;
|
||||
|
||||
sprintf(filename, "/proc/%s/cmdline", next->d_name);
|
||||
status = fopen(filename, "r");
|
||||
if (!status) {
|
||||
continue;
|
||||
}
|
||||
fgets(buffer, 256, status);
|
||||
fclose(status);
|
||||
|
||||
if (strstr(get_last_path_component(buffer), pidName) != NULL) {
|
||||
pidList=xrealloc( pidList, sizeof(pid_t) * (i+2));
|
||||
pidList[i++]=strtol(next->d_name, NULL, 0);
|
||||
}
|
||||
}
|
||||
|
||||
if (pidList)
|
||||
pidList[i]=0;
|
||||
return pidList;
|
||||
}
|
||||
#endif /* BB_FEATURE_USE_DEVPS_PATCH */
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
85
libbb/find_root_device.c
Normal file
85
libbb/find_root_device.c
Normal file
@ -0,0 +1,85 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <dirent.h>
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
|
||||
extern int find_real_root_device_name(char* name)
|
||||
{
|
||||
DIR *dir;
|
||||
struct dirent *entry;
|
||||
struct stat statBuf, rootStat;
|
||||
char fileName[BUFSIZ];
|
||||
|
||||
if (stat("/", &rootStat) != 0) {
|
||||
error_msg("could not stat '/'");
|
||||
return( FALSE);
|
||||
}
|
||||
|
||||
dir = opendir("/dev");
|
||||
if (!dir) {
|
||||
error_msg("could not open '/dev'");
|
||||
return( FALSE);
|
||||
}
|
||||
|
||||
while((entry = readdir(dir)) != NULL) {
|
||||
|
||||
/* Must skip ".." since that is "/", and so we
|
||||
* would get a false positive on ".." */
|
||||
if (strcmp(entry->d_name, "..") == 0)
|
||||
continue;
|
||||
|
||||
snprintf( fileName, strlen(name)+1, "/dev/%s", entry->d_name);
|
||||
|
||||
if (stat(fileName, &statBuf) != 0)
|
||||
continue;
|
||||
/* Some char devices have the same dev_t as block
|
||||
* devices, so make sure this is a block device */
|
||||
if (! S_ISBLK(statBuf.st_mode))
|
||||
continue;
|
||||
if (statBuf.st_rdev == rootStat.st_rdev) {
|
||||
strcpy(name, fileName);
|
||||
return ( TRUE);
|
||||
}
|
||||
}
|
||||
|
||||
return( FALSE);
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
70
libbb/full_read.c
Normal file
70
libbb/full_read.c
Normal file
@ -0,0 +1,70 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
/*
|
||||
* Read all of the supplied buffer from a file.
|
||||
* This does multiple reads as necessary.
|
||||
* Returns the amount read, or -1 on an error.
|
||||
* A short read is returned on an end of file.
|
||||
*/
|
||||
int full_read(int fd, char *buf, int len)
|
||||
{
|
||||
int cc;
|
||||
int total;
|
||||
|
||||
total = 0;
|
||||
|
||||
while (len > 0) {
|
||||
cc = read(fd, buf, len);
|
||||
|
||||
if (cc < 0)
|
||||
return -1;
|
||||
|
||||
if (cc == 0)
|
||||
break;
|
||||
|
||||
buf += cc;
|
||||
total += cc;
|
||||
len -= cc;
|
||||
}
|
||||
|
||||
return total;
|
||||
}
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
66
libbb/full_write.c
Normal file
66
libbb/full_write.c
Normal file
@ -0,0 +1,66 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
#include "libbb.h"
|
||||
|
||||
/*
|
||||
* Write all of the supplied buffer out to a file.
|
||||
* This does multiple writes as necessary.
|
||||
* Returns the amount written, or -1 on an error.
|
||||
*/
|
||||
int full_write(int fd, const char *buf, int len)
|
||||
{
|
||||
int cc;
|
||||
int total;
|
||||
|
||||
total = 0;
|
||||
|
||||
while (len > 0) {
|
||||
cc = write(fd, buf, len);
|
||||
|
||||
if (cc < 0)
|
||||
return -1;
|
||||
|
||||
buf += cc;
|
||||
total += cc;
|
||||
len -= cc;
|
||||
}
|
||||
|
||||
return total;
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
129
libbb/get_console.c
Normal file
129
libbb/get_console.c
Normal file
@ -0,0 +1,129 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <errno.h>
|
||||
#include <fcntl.h>
|
||||
#include <unistd.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
/* From <linux/kd.h> */
|
||||
static const int KDGKBTYPE = 0x4B33; /* get keyboard type */
|
||||
static const int KB_84 = 0x01;
|
||||
static const int KB_101 = 0x02; /* this is what we always answer */
|
||||
|
||||
int is_a_console(int fd)
|
||||
{
|
||||
char arg;
|
||||
|
||||
arg = 0;
|
||||
return (ioctl(fd, KDGKBTYPE, &arg) == 0
|
||||
&& ((arg == KB_101) || (arg == KB_84)));
|
||||
}
|
||||
|
||||
static int open_a_console(char *fnam)
|
||||
{
|
||||
int fd;
|
||||
|
||||
/* try read-only */
|
||||
fd = open(fnam, O_RDWR);
|
||||
|
||||
/* if failed, try read-only */
|
||||
if (fd < 0 && errno == EACCES)
|
||||
fd = open(fnam, O_RDONLY);
|
||||
|
||||
/* if failed, try write-only */
|
||||
if (fd < 0 && errno == EACCES)
|
||||
fd = open(fnam, O_WRONLY);
|
||||
|
||||
/* if failed, fail */
|
||||
if (fd < 0)
|
||||
return -1;
|
||||
|
||||
/* if not a console, fail */
|
||||
if (!is_a_console(fd)) {
|
||||
close(fd);
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* success */
|
||||
return fd;
|
||||
}
|
||||
|
||||
/*
|
||||
* Get an fd for use with kbd/console ioctls.
|
||||
* We try several things because opening /dev/console will fail
|
||||
* if someone else used X (which does a chown on /dev/console).
|
||||
*
|
||||
* if tty_name is non-NULL, try this one instead.
|
||||
*/
|
||||
|
||||
int get_console_fd(char *tty_name)
|
||||
{
|
||||
int fd;
|
||||
|
||||
if (tty_name) {
|
||||
if (-1 == (fd = open_a_console(tty_name)))
|
||||
return -1;
|
||||
else
|
||||
return fd;
|
||||
}
|
||||
|
||||
fd = open_a_console("/dev/tty");
|
||||
if (fd >= 0)
|
||||
return fd;
|
||||
|
||||
fd = open_a_console("/dev/tty0");
|
||||
if (fd >= 0)
|
||||
return fd;
|
||||
|
||||
fd = open_a_console("/dev/console");
|
||||
if (fd >= 0)
|
||||
return fd;
|
||||
|
||||
for (fd = 0; fd < 3; fd++)
|
||||
if (is_a_console(fd))
|
||||
return fd;
|
||||
|
||||
error_msg("Couldnt get a file descriptor referring to the console");
|
||||
return -1; /* total failure */
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
58
libbb/get_last_path_component.c
Normal file
58
libbb/get_last_path_component.c
Normal file
@ -0,0 +1,58 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
char *get_last_path_component(char *path)
|
||||
{
|
||||
char *s=path+strlen(path)-1;
|
||||
|
||||
/* strip trailing slashes */
|
||||
while (s != path && *s == '/') {
|
||||
*s-- = '\0';
|
||||
}
|
||||
|
||||
/* find last component */
|
||||
s = strrchr(path, '/');
|
||||
if (s == NULL || s[1] == '\0')
|
||||
return path;
|
||||
else
|
||||
return s+1;
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
72
libbb/get_line_from_file.c
Normal file
72
libbb/get_line_from_file.c
Normal file
@ -0,0 +1,72 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
|
||||
/* get_line_from_file() - This function reads an entire line from a text file
|
||||
* up to a newline. It returns a malloc'ed char * which must be stored and
|
||||
* free'ed by the caller. */
|
||||
extern char *get_line_from_file(FILE *file)
|
||||
{
|
||||
static const int GROWBY = 80; /* how large we will grow strings by */
|
||||
|
||||
int ch;
|
||||
int idx = 0;
|
||||
char *linebuf = NULL;
|
||||
int linebufsz = 0;
|
||||
|
||||
while (1) {
|
||||
ch = fgetc(file);
|
||||
if (ch == EOF)
|
||||
break;
|
||||
/* grow the line buffer as necessary */
|
||||
while (idx > linebufsz-2)
|
||||
linebuf = xrealloc(linebuf, linebufsz += GROWBY);
|
||||
linebuf[idx++] = (char)ch;
|
||||
if ((char)ch == '\n')
|
||||
break;
|
||||
}
|
||||
|
||||
if (idx == 0)
|
||||
return NULL;
|
||||
|
||||
linebuf[idx] = 0;
|
||||
return linebuf;
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
62
libbb/human_readable.c
Normal file
62
libbb/human_readable.c
Normal file
@ -0,0 +1,62 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
|
||||
const char *make_human_readable_str(unsigned long val, unsigned long hr)
|
||||
{
|
||||
int i=0;
|
||||
static char str[10] = "\0";
|
||||
static const char strings[] = { 'k', 'M', 'G', 'T', 0 };
|
||||
unsigned long divisor = 1;
|
||||
|
||||
if(val == 0)
|
||||
return("0");
|
||||
if(hr)
|
||||
snprintf(str, 9, "%ld", val/hr);
|
||||
else {
|
||||
while(val >= divisor && i <= 4) {
|
||||
divisor=divisor<<10, i++;
|
||||
}
|
||||
divisor=divisor>>10, i--;
|
||||
snprintf(str, 9, "%.1Lf%c", (long double)(val)/divisor, strings[i]);
|
||||
}
|
||||
return(str);
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
105
libbb/inode_hash.c
Normal file
105
libbb/inode_hash.c
Normal file
@ -0,0 +1,105 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include "libbb.h"
|
||||
|
||||
#define HASH_SIZE 311 /* Should be prime */
|
||||
#define hash_inode(i) ((i) % HASH_SIZE)
|
||||
|
||||
static ino_dev_hashtable_bucket_t *ino_dev_hashtable[HASH_SIZE];
|
||||
|
||||
/*
|
||||
* Return 1 if statbuf->st_ino && statbuf->st_dev are recorded in
|
||||
* `ino_dev_hashtable', else return 0
|
||||
*
|
||||
* If NAME is a non-NULL pointer to a character pointer, and there is
|
||||
* a match, then set *NAME to the value of the name slot in that
|
||||
* bucket.
|
||||
*/
|
||||
int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name)
|
||||
{
|
||||
ino_dev_hashtable_bucket_t *bucket;
|
||||
|
||||
bucket = ino_dev_hashtable[hash_inode(statbuf->st_ino)];
|
||||
while (bucket != NULL) {
|
||||
if ((bucket->ino == statbuf->st_ino) &&
|
||||
(bucket->dev == statbuf->st_dev))
|
||||
{
|
||||
if (name) *name = bucket->name;
|
||||
return 1;
|
||||
}
|
||||
bucket = bucket->next;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Add statbuf to statbuf hash table */
|
||||
void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name)
|
||||
{
|
||||
int i;
|
||||
size_t s;
|
||||
ino_dev_hashtable_bucket_t *bucket;
|
||||
|
||||
i = hash_inode(statbuf->st_ino);
|
||||
s = name ? strlen(name) : 0;
|
||||
bucket = xmalloc(sizeof(ino_dev_hashtable_bucket_t) + s);
|
||||
bucket->ino = statbuf->st_ino;
|
||||
bucket->dev = statbuf->st_dev;
|
||||
if (name)
|
||||
strcpy(bucket->name, name);
|
||||
else
|
||||
bucket->name[0] = '\0';
|
||||
bucket->next = ino_dev_hashtable[i];
|
||||
ino_dev_hashtable[i] = bucket;
|
||||
}
|
||||
|
||||
/* Clear statbuf hash table */
|
||||
void reset_ino_dev_hashtable(void)
|
||||
{
|
||||
int i;
|
||||
ino_dev_hashtable_bucket_t *bucket;
|
||||
|
||||
for (i = 0; i < HASH_SIZE; i++) {
|
||||
while (ino_dev_hashtable[i] != NULL) {
|
||||
bucket = ino_dev_hashtable[i]->next;
|
||||
free(ino_dev_hashtable[i]);
|
||||
ino_dev_hashtable[i] = bucket;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
71
libbb/isdirectory.c
Normal file
71
libbb/isdirectory.c
Normal file
@ -0,0 +1,71 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <sys/stat.h>
|
||||
#include "libbb.h"
|
||||
|
||||
/*
|
||||
* Return TRUE if a fileName is a directory.
|
||||
* Nonexistant files return FALSE.
|
||||
*/
|
||||
int is_directory(const char *fileName, const int followLinks, struct stat *statBuf)
|
||||
{
|
||||
int status;
|
||||
int didMalloc = 0;
|
||||
|
||||
if (statBuf == NULL) {
|
||||
statBuf = (struct stat *)xmalloc(sizeof(struct stat));
|
||||
++didMalloc;
|
||||
}
|
||||
|
||||
if (followLinks == TRUE)
|
||||
status = stat(fileName, statBuf);
|
||||
else
|
||||
status = lstat(fileName, statBuf);
|
||||
|
||||
if (status < 0 || !(S_ISDIR(statBuf->st_mode))) {
|
||||
status = FALSE;
|
||||
}
|
||||
else status = TRUE;
|
||||
|
||||
if (didMalloc) {
|
||||
free(statBuf);
|
||||
statBuf = NULL;
|
||||
}
|
||||
return status;
|
||||
}
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
66
libbb/kernel_version.c
Normal file
66
libbb/kernel_version.c
Normal file
@ -0,0 +1,66 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
#include <sys/utsname.h> /* for uname(2) */
|
||||
|
||||
#include "libbb.h"
|
||||
|
||||
/* Returns kernel version encoded as major*65536 + minor*256 + patch,
|
||||
* so, for example, to check if the kernel is greater than 2.2.11:
|
||||
* if (get_kernel_revision() <= 2*65536+2*256+11) { <stuff> }
|
||||
*/
|
||||
extern int get_kernel_revision(void)
|
||||
{
|
||||
struct utsname name;
|
||||
char *s;
|
||||
int i, r;
|
||||
|
||||
if (uname(&name) == -1) {
|
||||
perror_msg("cannot get system information");
|
||||
return (0);
|
||||
}
|
||||
|
||||
s = name.release;
|
||||
r = 0;
|
||||
for (i=0 ; i<3 ; i++) {
|
||||
r = r * 256 + atoi(strtok(s, "."));
|
||||
s = NULL;
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
209
libbb/libbb.h
Normal file
209
libbb/libbb.h
Normal file
@ -0,0 +1,209 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Busybox main internal header file
|
||||
*
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
#ifndef __LIBBB_H__
|
||||
#define __LIBBB_H__ 1
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdarg.h>
|
||||
#include <sys/stat.h>
|
||||
#include <sys/types.h>
|
||||
|
||||
#ifdef DMALLOC
|
||||
#include "dmalloc.h"
|
||||
#endif
|
||||
|
||||
#include <features.h>
|
||||
/* Stupid libc doesn't have a reliable way for use to know
|
||||
* that libc5 is being used. Assume this is good enough */
|
||||
#if ! defined __GLIBC__ && ! defined __UCLIBC__
|
||||
/* libc5 doesn't define socklen_t */
|
||||
typedef unsigned int socklen_t;
|
||||
#endif
|
||||
|
||||
/* Some useful definitions */
|
||||
#define FALSE ((int) 0)
|
||||
#define TRUE ((int) 1)
|
||||
#define SKIP ((int) 2)
|
||||
|
||||
/* for mtab.c */
|
||||
#define MTAB_GETMOUNTPT '1'
|
||||
#define MTAB_GETDEVICE '2'
|
||||
|
||||
#define BUF_SIZE 8192
|
||||
#define EXPAND_ALLOC 1024
|
||||
|
||||
static inline int is_decimal(ch) { return ((ch >= '0') && (ch <= '9')); }
|
||||
static inline int is_octal(ch) { return ((ch >= '0') && (ch <= '7')); }
|
||||
|
||||
/* Macros for min/max. */
|
||||
#ifndef MIN
|
||||
#define MIN(a,b) (((a)<(b))?(a):(b))
|
||||
#endif
|
||||
|
||||
#ifndef MAX
|
||||
#define MAX(a,b) (((a)>(b))?(a):(b))
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
extern void show_usage(void) __attribute__ ((noreturn));
|
||||
extern void error_msg(const char *s, ...);
|
||||
extern void error_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
|
||||
extern void perror_msg(const char *s, ...);
|
||||
extern void perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
|
||||
|
||||
const char *mode_string(int mode);
|
||||
const char *time_string(time_t timeVal);
|
||||
int is_directory(const char *name, const int followLinks, struct stat *statBuf);
|
||||
int isDevice(const char *name);
|
||||
|
||||
typedef struct ino_dev_hash_bucket_struct {
|
||||
struct ino_dev_hash_bucket_struct *next;
|
||||
ino_t ino;
|
||||
dev_t dev;
|
||||
char name[1];
|
||||
} ino_dev_hashtable_bucket_t;
|
||||
int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name);
|
||||
void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
|
||||
void reset_ino_dev_hashtable(void);
|
||||
|
||||
int copy_file(const char *srcName, const char *destName,
|
||||
int setModes, int followLinks, int forceFlag);
|
||||
int copy_file_chunk(int srcFd, int dstFd, size_t remaining);
|
||||
char *buildName(const char *dirName, const char *fileName);
|
||||
int makeString(int argc, const char **argv, char *buf, int bufLen);
|
||||
char *getChunk(int size);
|
||||
char *chunkstrdup(const char *str);
|
||||
void freeChunks(void);
|
||||
ssize_t safe_read(int fd, void *buf, size_t count);
|
||||
int full_write(int fd, const char *buf, int len);
|
||||
int full_read(int fd, char *buf, int len);
|
||||
int recursive_action(const char *fileName, int recurse, int followLinks, int depthFirst,
|
||||
int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData),
|
||||
int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData),
|
||||
void* userData);
|
||||
|
||||
extern int create_path (const char *name, int mode);
|
||||
extern int parse_mode( const char* s, mode_t* theMode);
|
||||
|
||||
extern int get_kernel_revision(void);
|
||||
|
||||
extern int get_console_fd(char* tty_name);
|
||||
extern struct mntent *find_mount_point(const char *name, const char *table);
|
||||
extern void write_mtab(char* blockDevice, char* directory,
|
||||
char* filesystemType, long flags, char* string_flags);
|
||||
extern void erase_mtab(const char * name);
|
||||
extern void mtab_read(void);
|
||||
extern char *mtab_first(void **iter);
|
||||
extern char *mtab_next(void **iter);
|
||||
extern char *mtab_getinfo(const char *match, const char which);
|
||||
extern int check_wildcard_match(const char* text, const char* pattern);
|
||||
extern long atoi_w_units (const char *cp);
|
||||
extern pid_t* find_pid_by_name( char* pidName);
|
||||
extern int find_real_root_device_name(char* name);
|
||||
extern char *get_line_from_file(FILE *file);
|
||||
extern void print_file(FILE *file);
|
||||
extern int print_file_by_name(char *filename);
|
||||
extern char process_escape_sequence(char **ptr);
|
||||
extern char *get_last_path_component(char *path);
|
||||
extern FILE *wfopen(const char *path, const char *mode);
|
||||
extern FILE *xfopen(const char *path, const char *mode);
|
||||
extern void chomp(char *s);
|
||||
extern void trim(char *s);
|
||||
extern struct BB_applet *find_applet_by_name(const char *name);
|
||||
void run_applet_by_name(const char *name, int argc, char **argv);
|
||||
|
||||
#ifndef DMALLOC
|
||||
extern void *xmalloc (size_t size);
|
||||
extern void *xrealloc(void *old, size_t size);
|
||||
extern void *xcalloc(size_t nmemb, size_t size);
|
||||
extern char *xstrdup (const char *s);
|
||||
#endif
|
||||
extern char *xstrndup (const char *s, int n);
|
||||
extern char * safe_strncpy(char *dst, const char *src, size_t size);
|
||||
|
||||
struct suffix_mult {
|
||||
char *suffix;
|
||||
int mult;
|
||||
};
|
||||
|
||||
extern unsigned long parse_number(const char *numstr,
|
||||
const struct suffix_mult *suffixes);
|
||||
|
||||
|
||||
/* These parse entries in /etc/passwd and /etc/group. This is desirable
|
||||
* for BusyBox since we want to avoid using the glibc NSS stuff, which
|
||||
* increases target size and is often not needed embedded systems. */
|
||||
extern long my_getpwnam(const char *name);
|
||||
extern long my_getgrnam(const char *name);
|
||||
extern void my_getpwuid(char *name, long uid);
|
||||
extern void my_getgrgid(char *group, long gid);
|
||||
extern long my_getpwnamegid(const char *name);
|
||||
|
||||
extern int device_open(char *device, int mode);
|
||||
|
||||
extern int del_loop(const char *device);
|
||||
extern int set_loop(const char *device, const char *file, int offset, int *loopro);
|
||||
extern char *find_unused_loop_device (void);
|
||||
|
||||
|
||||
#if (__GLIBC__ < 2)
|
||||
extern int vdprintf(int d, const char *format, va_list ap);
|
||||
#endif
|
||||
|
||||
int nfsmount(const char *spec, const char *node, int *flags,
|
||||
char **extra_opts, char **mount_opts, int running_bg);
|
||||
|
||||
void syslog_msg_with_name(const char *name, int facility, int pri, const char *msg);
|
||||
void syslog_msg(int facility, int pri, const char *msg);
|
||||
|
||||
/* Include our own copy of struct sysinfo to avoid binary compatability
|
||||
* problems with Linux 2.4, which changed things. Grumble, grumble. */
|
||||
struct sysinfo {
|
||||
long uptime; /* Seconds since boot */
|
||||
unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
|
||||
unsigned long totalram; /* Total usable main memory size */
|
||||
unsigned long freeram; /* Available memory size */
|
||||
unsigned long sharedram; /* Amount of shared memory */
|
||||
unsigned long bufferram; /* Memory used by buffers */
|
||||
unsigned long totalswap; /* Total swap space size */
|
||||
unsigned long freeswap; /* swap space still available */
|
||||
unsigned short procs; /* Number of current processes */
|
||||
unsigned long totalhigh; /* Total high memory size */
|
||||
unsigned long freehigh; /* Available high memory size */
|
||||
unsigned int mem_unit; /* Memory unit size in bytes */
|
||||
char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
|
||||
};
|
||||
extern int sysinfo (struct sysinfo* info);
|
||||
|
||||
const char *make_human_readable_str(unsigned long val, unsigned long hr);
|
||||
enum {
|
||||
KILOBYTE = 1024,
|
||||
MEGABYTE = (KILOBYTE*1024),
|
||||
GIGABYTE = (MEGABYTE*1024)
|
||||
};
|
||||
|
||||
int ask_confirmation(void);
|
||||
|
||||
#endif /* __LIBBB_H__ */
|
128
libbb/loop.c
Normal file
128
libbb/loop.c
Normal file
@ -0,0 +1,128 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <errno.h>
|
||||
#include <fcntl.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include "libbb.h"
|
||||
#include "loop.h" /* Pull in loop device support */
|
||||
|
||||
extern int del_loop(const char *device)
|
||||
{
|
||||
int fd;
|
||||
|
||||
if ((fd = open(device, O_RDONLY)) < 0) {
|
||||
perror_msg("%s", device);
|
||||
return (FALSE);
|
||||
}
|
||||
if (ioctl(fd, LOOP_CLR_FD, 0) < 0) {
|
||||
perror_msg("ioctl: LOOP_CLR_FD");
|
||||
return (FALSE);
|
||||
}
|
||||
close(fd);
|
||||
return (TRUE);
|
||||
}
|
||||
|
||||
extern int set_loop(const char *device, const char *file, int offset,
|
||||
int *loopro)
|
||||
{
|
||||
struct loop_info loopinfo;
|
||||
int fd, ffd, mode;
|
||||
|
||||
mode = *loopro ? O_RDONLY : O_RDWR;
|
||||
if ((ffd = open(file, mode)) < 0 && !*loopro
|
||||
&& (errno != EROFS || (ffd = open(file, mode = O_RDONLY)) < 0)) {
|
||||
perror_msg("%s", file);
|
||||
return 1;
|
||||
}
|
||||
if ((fd = open(device, mode)) < 0) {
|
||||
close(ffd);
|
||||
perror_msg("%s", device);
|
||||
return 1;
|
||||
}
|
||||
*loopro = (mode == O_RDONLY);
|
||||
|
||||
memset(&loopinfo, 0, sizeof(loopinfo));
|
||||
safe_strncpy(loopinfo.lo_name, file, LO_NAME_SIZE);
|
||||
|
||||
loopinfo.lo_offset = offset;
|
||||
|
||||
loopinfo.lo_encrypt_key_size = 0;
|
||||
if (ioctl(fd, LOOP_SET_FD, ffd) < 0) {
|
||||
perror_msg("ioctl: LOOP_SET_FD");
|
||||
close(fd);
|
||||
close(ffd);
|
||||
return 1;
|
||||
}
|
||||
if (ioctl(fd, LOOP_SET_STATUS, &loopinfo) < 0) {
|
||||
(void) ioctl(fd, LOOP_CLR_FD, 0);
|
||||
perror_msg("ioctl: LOOP_SET_STATUS");
|
||||
close(fd);
|
||||
close(ffd);
|
||||
return 1;
|
||||
}
|
||||
close(fd);
|
||||
close(ffd);
|
||||
return 0;
|
||||
}
|
||||
|
||||
extern char *find_unused_loop_device(void)
|
||||
{
|
||||
char dev[20];
|
||||
int i, fd;
|
||||
struct stat statbuf;
|
||||
struct loop_info loopinfo;
|
||||
|
||||
for (i = 0; i <= 7; i++) {
|
||||
sprintf(dev, "/dev/loop%d", i);
|
||||
if (stat(dev, &statbuf) == 0 && S_ISBLK(statbuf.st_mode)) {
|
||||
if ((fd = open(dev, O_RDONLY)) >= 0) {
|
||||
if (ioctl(fd, LOOP_GET_STATUS, &loopinfo) != 0) {
|
||||
if (errno == ENXIO) { /* probably free */
|
||||
close(fd);
|
||||
return strdup(dev);
|
||||
}
|
||||
}
|
||||
close(fd);
|
||||
}
|
||||
}
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
82
libbb/mode_string.c
Normal file
82
libbb/mode_string.c
Normal file
@ -0,0 +1,82 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
|
||||
#define TYPEINDEX(mode) (((mode) >> 12) & 0x0f)
|
||||
#define TYPECHAR(mode) ("0pcCd?bB-?l?s???" [TYPEINDEX(mode)])
|
||||
|
||||
/* The special bits. If set, display SMODE0/1 instead of MODE0/1 */
|
||||
static const mode_t SBIT[] = {
|
||||
0, 0, S_ISUID,
|
||||
0, 0, S_ISGID,
|
||||
0, 0, S_ISVTX
|
||||
};
|
||||
|
||||
/* The 9 mode bits to test */
|
||||
static const mode_t MBIT[] = {
|
||||
S_IRUSR, S_IWUSR, S_IXUSR,
|
||||
S_IRGRP, S_IWGRP, S_IXGRP,
|
||||
S_IROTH, S_IWOTH, S_IXOTH
|
||||
};
|
||||
|
||||
static const char MODE1[] = "rwxrwxrwx";
|
||||
static const char MODE0[] = "---------";
|
||||
static const char SMODE1[] = "..s..s..t";
|
||||
static const char SMODE0[] = "..S..S..T";
|
||||
|
||||
/*
|
||||
* Return the standard ls-like mode string from a file mode.
|
||||
* This is static and so is overwritten on each call.
|
||||
*/
|
||||
const char *mode_string(int mode)
|
||||
{
|
||||
static char buf[12];
|
||||
|
||||
int i;
|
||||
|
||||
buf[0] = TYPECHAR(mode);
|
||||
for (i = 0; i < 9; i++) {
|
||||
if (mode & SBIT[i])
|
||||
buf[i + 1] = (mode & MBIT[i]) ? SMODE1[i] : SMODE0[i];
|
||||
else
|
||||
buf[i + 1] = (mode & MBIT[i]) ? MODE1[i] : MODE0[i];
|
||||
}
|
||||
return buf;
|
||||
}
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
138
libbb/parse_mode.c
Normal file
138
libbb/parse_mode.c
Normal file
@ -0,0 +1,138 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
/* This function parses the sort of string you might pass
|
||||
* to chmod (i.e. [ugoa]{+|-|=}[rwxst] ) and returns the
|
||||
* correct mode described by the string. */
|
||||
extern int parse_mode(const char *s, mode_t * theMode)
|
||||
{
|
||||
static const mode_t group_set[] = {
|
||||
S_ISUID | S_IRWXU, /* u */
|
||||
S_ISGID | S_IRWXG, /* g */
|
||||
S_IRWXO, /* o */
|
||||
S_ISUID | S_ISGID | S_ISVTX | S_IRWXU | S_IRWXG | S_IRWXO /* a */
|
||||
};
|
||||
|
||||
static const mode_t mode_set[] = {
|
||||
S_IRUSR | S_IRGRP | S_IROTH, /* r */
|
||||
S_IWUSR | S_IWGRP | S_IWOTH, /* w */
|
||||
S_IXUSR | S_IXGRP | S_IXOTH, /* x */
|
||||
S_ISUID | S_ISGID, /* s */
|
||||
S_ISVTX /* t */
|
||||
};
|
||||
|
||||
static const char group_string[] = "ugoa";
|
||||
static const char mode_string[] = "rwxst";
|
||||
|
||||
const char *p;
|
||||
|
||||
mode_t andMode =
|
||||
S_ISVTX | S_ISUID | S_ISGID | S_IRWXU | S_IRWXG | S_IRWXO;
|
||||
mode_t orMode = 0;
|
||||
mode_t mode;
|
||||
mode_t groups;
|
||||
char type;
|
||||
char c;
|
||||
|
||||
if (s==NULL) {
|
||||
return (FALSE);
|
||||
}
|
||||
|
||||
do {
|
||||
mode = 0;
|
||||
groups = 0;
|
||||
NEXT_GROUP:
|
||||
if ((c = *s++) == '\0') {
|
||||
return -1;
|
||||
}
|
||||
for (p=group_string ; *p ; p++) {
|
||||
if (*p == c) {
|
||||
groups |= group_set[(int)(p-group_string)];
|
||||
goto NEXT_GROUP;
|
||||
}
|
||||
}
|
||||
switch (c) {
|
||||
case '=':
|
||||
case '+':
|
||||
case '-':
|
||||
type = c;
|
||||
if (groups == 0) { /* The default is "all" */
|
||||
groups |= S_ISUID | S_ISGID | S_ISVTX
|
||||
| S_IRWXU | S_IRWXG | S_IRWXO;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
if ((c < '0') || (c > '7') || (mode | groups)) {
|
||||
return (FALSE);
|
||||
} else {
|
||||
*theMode = strtol(--s, NULL, 8);
|
||||
return (TRUE);
|
||||
}
|
||||
}
|
||||
|
||||
NEXT_MODE:
|
||||
if (((c = *s++) != '\0') && (c != ',')) {
|
||||
for (p=mode_string ; *p ; p++) {
|
||||
if (*p == c) {
|
||||
mode |= mode_set[(int)(p-mode_string)];
|
||||
goto NEXT_MODE;
|
||||
}
|
||||
}
|
||||
break; /* We're done so break out of loop.*/
|
||||
}
|
||||
switch (type) {
|
||||
case '=':
|
||||
andMode &= ~(groups); /* Now fall through. */
|
||||
case '+':
|
||||
orMode |= mode & groups;
|
||||
break;
|
||||
case '-':
|
||||
andMode &= ~(mode & groups);
|
||||
orMode &= ~(mode & groups);
|
||||
break;
|
||||
}
|
||||
} while (c == ',');
|
||||
|
||||
*theMode &= andMode;
|
||||
*theMode |= orMode;
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
74
libbb/parse_number.c
Normal file
74
libbb/parse_number.c
Normal file
@ -0,0 +1,74 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
unsigned long parse_number(const char *numstr,
|
||||
const struct suffix_mult *suffixes)
|
||||
{
|
||||
const struct suffix_mult *sm;
|
||||
unsigned long int ret;
|
||||
int len;
|
||||
char *end;
|
||||
|
||||
ret = strtoul(numstr, &end, 10);
|
||||
if (numstr == end)
|
||||
error_msg_and_die("invalid number `%s'", numstr);
|
||||
while (end[0] != '\0') {
|
||||
sm = suffixes;
|
||||
while ( sm != 0 ) {
|
||||
if(sm->suffix) {
|
||||
len = strlen(sm->suffix);
|
||||
if (strncmp(sm->suffix, end, len) == 0) {
|
||||
ret *= sm->mult;
|
||||
end += len;
|
||||
break;
|
||||
}
|
||||
sm++;
|
||||
|
||||
} else
|
||||
sm = 0;
|
||||
}
|
||||
if (sm == 0)
|
||||
error_msg_and_die("invalid number `%s'", numstr);
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
59
libbb/print_file.c
Normal file
59
libbb/print_file.c
Normal file
@ -0,0 +1,59 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
extern void print_file(FILE *file)
|
||||
{
|
||||
int c;
|
||||
|
||||
while ((c = getc(file)) != EOF)
|
||||
putc(c, stdout);
|
||||
fclose(file);
|
||||
fflush(stdout);
|
||||
}
|
||||
|
||||
extern int print_file_by_name(char *filename)
|
||||
{
|
||||
FILE *file;
|
||||
if ((file = wfopen(filename, "r")) == NULL)
|
||||
return FALSE;
|
||||
print_file(file);
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
83
libbb/process_escape_sequence.c
Normal file
83
libbb/process_escape_sequence.c
Normal file
@ -0,0 +1,83 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <limits.h>
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
|
||||
char process_escape_sequence(char **ptr)
|
||||
{
|
||||
static const char charmap[] = {
|
||||
'a', 'b', 'f', 'n', 'r', 't', 'v', '\\', 0,
|
||||
'\a', '\b', '\f', '\n', '\r', '\t', '\v', '\\', '\\' };
|
||||
|
||||
const char *p;
|
||||
char *q;
|
||||
int num_digits;
|
||||
unsigned int n;
|
||||
|
||||
n = 0;
|
||||
q = *ptr;
|
||||
|
||||
for ( num_digits = 0 ; num_digits < 3 ; ++num_digits) {
|
||||
if ((*q < '0') || (*q > '7')) { /* not a digit? */
|
||||
break;
|
||||
}
|
||||
n = n * 8 + (*q++ - '0');
|
||||
}
|
||||
|
||||
if (num_digits == 0) { /* mnemonic escape sequence? */
|
||||
for (p=charmap ; *p ; p++) {
|
||||
if (*p == *q) {
|
||||
q++;
|
||||
break;
|
||||
}
|
||||
}
|
||||
n = *(p+(sizeof(charmap)/2));
|
||||
}
|
||||
|
||||
/* doesn't hurt to fall through to here from mnemonic case */
|
||||
if (n > UCHAR_MAX) { /* is octal code too big for a char? */
|
||||
n /= 8; /* adjust value and */
|
||||
--q; /* back up one char */
|
||||
}
|
||||
|
||||
*ptr = q;
|
||||
return (char) n;
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
109
libbb/pwd_grp_wrappers.c
Normal file
109
libbb/pwd_grp_wrappers.c
Normal file
@ -0,0 +1,109 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include "../pwd_grp/pwd.h"
|
||||
#include "../pwd_grp/grp.h"
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
|
||||
/* returns a uid given a username */
|
||||
long my_getpwnam(const char *name)
|
||||
{
|
||||
struct passwd *myuser;
|
||||
|
||||
myuser = getpwnam(name);
|
||||
if (myuser==NULL)
|
||||
error_msg_and_die("unknown user name: %s", name);
|
||||
|
||||
return myuser->pw_uid;
|
||||
}
|
||||
|
||||
/* returns a gid given a group name */
|
||||
long my_getgrnam(const char *name)
|
||||
{
|
||||
struct group *mygroup;
|
||||
|
||||
mygroup = getgrnam(name);
|
||||
if (mygroup==NULL)
|
||||
error_msg_and_die("unknown group name: %s", name);
|
||||
|
||||
return (mygroup->gr_gid);
|
||||
}
|
||||
|
||||
/* gets a username given a uid */
|
||||
void my_getpwuid(char *name, long uid)
|
||||
{
|
||||
struct passwd *myuser;
|
||||
|
||||
myuser = getpwuid(uid);
|
||||
if (myuser==NULL)
|
||||
sprintf(name, "%-8ld ", (long)uid);
|
||||
else
|
||||
strcpy(name, myuser->pw_name);
|
||||
}
|
||||
|
||||
/* gets a groupname given a gid */
|
||||
void my_getgrgid(char *group, long gid)
|
||||
{
|
||||
struct group *mygroup;
|
||||
|
||||
mygroup = getgrgid(gid);
|
||||
if (mygroup==NULL)
|
||||
sprintf(group, "%-8ld ", (long)gid);
|
||||
else
|
||||
strcpy(group, mygroup->gr_name);
|
||||
}
|
||||
|
||||
/* gets a gid given a user name */
|
||||
long my_getpwnamegid(const char *name)
|
||||
{
|
||||
struct group *mygroup;
|
||||
struct passwd *myuser;
|
||||
|
||||
myuser=getpwnam(name);
|
||||
if (myuser==NULL)
|
||||
error_msg_and_die("unknown user name: %s", name);
|
||||
|
||||
mygroup = getgrgid(myuser->pw_gid);
|
||||
if (mygroup==NULL)
|
||||
error_msg_and_die("unknown gid %ld", (long)myuser->pw_gid);
|
||||
|
||||
return mygroup->gr_gid;
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
160
libbb/recursive_action.c
Normal file
160
libbb/recursive_action.c
Normal file
@ -0,0 +1,160 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <dirent.h>
|
||||
#include <sys/stat.h>
|
||||
#include "libbb.h"
|
||||
|
||||
/* same conditions as recursive_action */
|
||||
#define bb_need_name_too_long
|
||||
#define BB_DECLARE_EXTERN
|
||||
#include "../messages.c"
|
||||
|
||||
#undef DEBUG_RECURS_ACTION
|
||||
|
||||
|
||||
/*
|
||||
* Walk down all the directories under the specified
|
||||
* location, and do something (something specified
|
||||
* by the fileAction and dirAction function pointers).
|
||||
*
|
||||
* Unfortunately, while nftw(3) could replace this and reduce
|
||||
* code size a bit, nftw() wasn't supported before GNU libc 2.1,
|
||||
* and so isn't sufficiently portable to take over since glibc2.1
|
||||
* is so stinking huge.
|
||||
*/
|
||||
int recursive_action(const char *fileName,
|
||||
int recurse, int followLinks, int depthFirst,
|
||||
int (*fileAction) (const char *fileName,
|
||||
struct stat * statbuf,
|
||||
void* userData),
|
||||
int (*dirAction) (const char *fileName,
|
||||
struct stat * statbuf,
|
||||
void* userData),
|
||||
void* userData)
|
||||
{
|
||||
int status;
|
||||
struct stat statbuf;
|
||||
struct dirent *next;
|
||||
|
||||
if (followLinks == TRUE)
|
||||
status = stat(fileName, &statbuf);
|
||||
else
|
||||
status = lstat(fileName, &statbuf);
|
||||
|
||||
if (status < 0) {
|
||||
#ifdef DEBUG_RECURS_ACTION
|
||||
fprintf(stderr,
|
||||
"status=%d followLinks=%d TRUE=%d\n",
|
||||
status, followLinks, TRUE);
|
||||
#endif
|
||||
perror_msg("%s", fileName);
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
if ((followLinks == FALSE) && (S_ISLNK(statbuf.st_mode))) {
|
||||
if (fileAction == NULL)
|
||||
return TRUE;
|
||||
else
|
||||
return fileAction(fileName, &statbuf, userData);
|
||||
}
|
||||
|
||||
if (recurse == FALSE) {
|
||||
if (S_ISDIR(statbuf.st_mode)) {
|
||||
if (dirAction != NULL)
|
||||
return (dirAction(fileName, &statbuf, userData));
|
||||
else
|
||||
return TRUE;
|
||||
}
|
||||
}
|
||||
|
||||
if (S_ISDIR(statbuf.st_mode)) {
|
||||
DIR *dir;
|
||||
|
||||
if (dirAction != NULL && depthFirst == FALSE) {
|
||||
status = dirAction(fileName, &statbuf, userData);
|
||||
if (status == FALSE) {
|
||||
perror_msg("%s", fileName);
|
||||
return FALSE;
|
||||
} else if (status == SKIP)
|
||||
return TRUE;
|
||||
}
|
||||
dir = opendir(fileName);
|
||||
if (!dir) {
|
||||
perror_msg("%s", fileName);
|
||||
return FALSE;
|
||||
}
|
||||
status = TRUE;
|
||||
while ((next = readdir(dir)) != NULL) {
|
||||
char nextFile[PATH_MAX];
|
||||
|
||||
if ((strcmp(next->d_name, "..") == 0)
|
||||
|| (strcmp(next->d_name, ".") == 0)) {
|
||||
continue;
|
||||
}
|
||||
if (strlen(fileName) + strlen(next->d_name) + 1 > PATH_MAX) {
|
||||
error_msg(name_too_long);
|
||||
return FALSE;
|
||||
}
|
||||
memset(nextFile, 0, sizeof(nextFile));
|
||||
if (fileName[strlen(fileName)-1] == '/')
|
||||
sprintf(nextFile, "%s%s", fileName, next->d_name);
|
||||
else
|
||||
sprintf(nextFile, "%s/%s", fileName, next->d_name);
|
||||
if (recursive_action(nextFile, TRUE, followLinks, depthFirst,
|
||||
fileAction, dirAction, userData) == FALSE) {
|
||||
status = FALSE;
|
||||
}
|
||||
}
|
||||
closedir(dir);
|
||||
if (dirAction != NULL && depthFirst == TRUE) {
|
||||
if (dirAction(fileName, &statbuf, userData) == FALSE) {
|
||||
perror_msg("%s", fileName);
|
||||
return FALSE;
|
||||
}
|
||||
}
|
||||
if (status == FALSE)
|
||||
return FALSE;
|
||||
} else {
|
||||
if (fileAction == NULL)
|
||||
return TRUE;
|
||||
else
|
||||
return fileAction(fileName, &statbuf, userData);
|
||||
}
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
54
libbb/safe_read.c
Normal file
54
libbb/safe_read.c
Normal file
@ -0,0 +1,54 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <errno.h>
|
||||
#include <unistd.h>
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
|
||||
ssize_t safe_read(int fd, void *buf, size_t count)
|
||||
{
|
||||
ssize_t n;
|
||||
|
||||
do {
|
||||
n = read(fd, buf, count);
|
||||
} while (n < 0 && errno == EINTR);
|
||||
|
||||
return n;
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
48
libbb/safe_strncpy.c
Normal file
48
libbb/safe_strncpy.c
Normal file
@ -0,0 +1,48 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <string.h>
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
|
||||
/* Like strncpy but make sure the resulting string is always 0 terminated. */
|
||||
extern char * safe_strncpy(char *dst, const char *src, size_t size)
|
||||
{
|
||||
dst[size-1] = '\0';
|
||||
return strncpy(dst, src, size-1);
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
76
libbb/syscalls.c
Normal file
76
libbb/syscalls.c
Normal file
@ -0,0 +1,76 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <errno.h>
|
||||
#include <sys/syscall.h>
|
||||
#include <linux/unistd.h>
|
||||
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
_syscall1(int, sysinfo, struct sysinfo *, info);
|
||||
|
||||
/* Include our own version of <sys/mount.h>, since libc5 doesn't
|
||||
* know about umount2 */
|
||||
extern _syscall1(int, umount, const char *, special_file);
|
||||
extern _syscall5(int, mount, const char *, special_file, const char *, dir,
|
||||
const char *, fstype, unsigned long int, rwflag, const void *, data);
|
||||
|
||||
#ifndef __NR_umount2
|
||||
# warning This kernel does not support the umount2 syscall
|
||||
# warning The umount2 system call is being stubbed out...
|
||||
int umount2(const char * special_file, int flags)
|
||||
{
|
||||
/* BusyBox was compiled against a kernel that did not support
|
||||
* the umount2 system call. To make this application work,
|
||||
* you will need to recompile with a kernel supporting the
|
||||
* umount2 system call.
|
||||
*/
|
||||
fprintf(stderr, "\n\nTo make this application work, you will need to recompile\n");
|
||||
fprintf(stderr, "with a kernel supporting the umount2 system call. -Erik\n\n");
|
||||
errno=ENOSYS;
|
||||
return -1;
|
||||
}
|
||||
# else
|
||||
extern _syscall2(int, umount2, const char *, special_file, int, flags);
|
||||
#endif
|
||||
|
||||
#ifndef __NR_query_module
|
||||
static const int __NR_query_module = 167;
|
||||
#endif
|
||||
_syscall5(int, query_module, const char *, name, int, which,
|
||||
void *, buf, size_t, bufsize, size_t*, ret);
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
53
libbb/syslog_msg_with_name.c
Normal file
53
libbb/syslog_msg_with_name.c
Normal file
@ -0,0 +1,53 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <sys/syslog.h>
|
||||
#include "libbb.h"
|
||||
|
||||
extern const char *applet_name;
|
||||
|
||||
void syslog_msg_with_name(const char *name, int facility, int pri, const char *msg)
|
||||
{
|
||||
openlog(name, 0, facility);
|
||||
syslog(pri, "%s", msg);
|
||||
closelog();
|
||||
}
|
||||
|
||||
void syslog_msg(int facility, int pri, const char *msg)
|
||||
{
|
||||
syslog_msg_with_name(applet_name, facility, pri, msg);
|
||||
}
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
68
libbb/time_string.c
Normal file
68
libbb/time_string.c
Normal file
@ -0,0 +1,68 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <time.h>
|
||||
#include <utime.h>
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
/*
|
||||
* Return the standard ls-like time string from a time_t
|
||||
* This is static and so is overwritten on each call.
|
||||
*/
|
||||
const char *time_string(time_t timeVal)
|
||||
{
|
||||
time_t now;
|
||||
char *str;
|
||||
static char buf[26];
|
||||
|
||||
time(&now);
|
||||
|
||||
str = ctime(&timeVal);
|
||||
|
||||
strcpy(buf, &str[4]);
|
||||
buf[12] = '\0';
|
||||
|
||||
if ((timeVal > now) || (timeVal < now - 365 * 24 * 60 * 60L)) {
|
||||
strcpy(&buf[7], &str[20]);
|
||||
buf[11] = '\0';
|
||||
}
|
||||
|
||||
return buf;
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
52
libbb/trim.c
Normal file
52
libbb/trim.c
Normal file
@ -0,0 +1,52 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <ctype.h>
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
void trim(char *s)
|
||||
{
|
||||
/* trim trailing whitespace */
|
||||
while (isspace(s[strlen(s)-1]))
|
||||
s[strlen(s)-1]='\0';
|
||||
|
||||
/* trim leading whitespace */
|
||||
memmove(s, &s[strspn(s, " \n\r\t\v")], strlen(s));
|
||||
|
||||
}
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
52
libbb/vdprintf.c
Normal file
52
libbb/vdprintf.c
Normal file
@ -0,0 +1,52 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
|
||||
#if (__GLIBC__ < 2)
|
||||
extern int vdprintf(int d, const char *format, va_list ap)
|
||||
{
|
||||
char buf[BUF_SIZE];
|
||||
int len;
|
||||
|
||||
len = vsprintf(buf, format, ap);
|
||||
return write(d, buf, len);
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
50
libbb/wfopen.c
Normal file
50
libbb/wfopen.c
Normal file
@ -0,0 +1,50 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <errno.h>
|
||||
#include "libbb.h"
|
||||
|
||||
FILE *wfopen(const char *path, const char *mode)
|
||||
{
|
||||
FILE *fp;
|
||||
if ((fp = fopen(path, mode)) == NULL) {
|
||||
perror_msg("%s", path);
|
||||
errno = 0;
|
||||
}
|
||||
return fp;
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
107
libbb/xfuncs.c
Normal file
107
libbb/xfuncs.c
Normal file
@ -0,0 +1,107 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
#include <unistd.h>
|
||||
#include "libbb.h"
|
||||
|
||||
/* same conditions as recursive_action */
|
||||
#define bb_need_memory_exhausted
|
||||
#define BB_DECLARE_EXTERN
|
||||
#include "../messages.c"
|
||||
|
||||
|
||||
#ifndef DMALLOC
|
||||
extern void *xmalloc(size_t size)
|
||||
{
|
||||
void *ptr = malloc(size);
|
||||
|
||||
if (!ptr)
|
||||
error_msg_and_die(memory_exhausted);
|
||||
return ptr;
|
||||
}
|
||||
|
||||
extern void *xrealloc(void *old, size_t size)
|
||||
{
|
||||
void *ptr = realloc(old, size);
|
||||
if (!ptr)
|
||||
error_msg_and_die(memory_exhausted);
|
||||
return ptr;
|
||||
}
|
||||
|
||||
extern void *xcalloc(size_t nmemb, size_t size)
|
||||
{
|
||||
void *ptr = calloc(nmemb, size);
|
||||
if (!ptr)
|
||||
error_msg_and_die(memory_exhausted);
|
||||
return ptr;
|
||||
}
|
||||
|
||||
extern char * xstrdup (const char *s) {
|
||||
char *t;
|
||||
|
||||
if (s == NULL)
|
||||
return NULL;
|
||||
|
||||
t = strdup (s);
|
||||
|
||||
if (t == NULL)
|
||||
error_msg_and_die(memory_exhausted);
|
||||
|
||||
return t;
|
||||
}
|
||||
#endif
|
||||
|
||||
extern char * xstrndup (const char *s, int n) {
|
||||
char *t;
|
||||
|
||||
if (s == NULL)
|
||||
error_msg_and_die("xstrndup bug");
|
||||
|
||||
t = xmalloc(++n);
|
||||
|
||||
return safe_strncpy(t,s,n);
|
||||
}
|
||||
|
||||
FILE *xfopen(const char *path, const char *mode)
|
||||
{
|
||||
FILE *fp;
|
||||
if ((fp = fopen(path, mode)) == NULL)
|
||||
perror_msg_and_die("%s", path);
|
||||
return fp;
|
||||
}
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
53
libbb/xregcomp.c
Normal file
53
libbb/xregcomp.c
Normal file
@ -0,0 +1,53 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include "libbb.h"
|
||||
#include <regex.h>
|
||||
|
||||
|
||||
|
||||
void xregcomp(regex_t *preg, const char *regex, int cflags)
|
||||
{
|
||||
int ret;
|
||||
if ((ret = regcomp(preg, regex, cflags)) != 0) {
|
||||
int errmsgsz = regerror(ret, preg, NULL, 0);
|
||||
char *errmsg = xmalloc(errmsgsz);
|
||||
regerror(ret, preg, errmsg, errmsgsz);
|
||||
error_msg_and_die("xregcomp: %s", errmsg);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
52
mtab_file.c
Normal file
52
mtab_file.c
Normal file
@ -0,0 +1,52 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Utility routines.
|
||||
*
|
||||
* Copyright (C) tons of folks. Tracking down who wrote what
|
||||
* isn't something I'm going to worry about... If you wrote something
|
||||
* here, please feel free to acknowledge your work.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
|
||||
* Permission has been granted to redistribute this code under the GPL.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include "busybox.h"
|
||||
|
||||
|
||||
/* Busybox mount uses either /proc/mounts or /dev/mtab to
|
||||
* get the list of currently mounted filesystems */
|
||||
#if defined BB_MTAB
|
||||
const char mtab_file[] = "/etc/mtab";
|
||||
#else
|
||||
# if defined BB_FEATURE_USE_DEVPS_PATCH
|
||||
const char mtab_file[] = "/dev/mtab";
|
||||
# else
|
||||
const char mtab_file[] = "/proc/mounts";
|
||||
# endif
|
||||
#endif
|
||||
|
||||
|
||||
/* END CODE */
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "linux"
|
||||
c-basic-offset: 4
|
||||
tab-width: 4
|
||||
End:
|
||||
*/
|
Loading…
Reference in New Issue
Block a user