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5eb5912790
busybox/internal.h
Glenn L McGrath 06aeb6c417 ar.c now uses a linked list to process headers, uses getopt, new internal function extractAr(srcFD, dstFd, filename) to make it easily accessable to other busybox functions. 
moved copySubFile from ar.c to utilities.c

modified dd.c to use fullWrite

modified copyFile in utilities.c to use copySubFile
2000-08-25 03:50:10 +00:00

456 lines
16 KiB
C
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/* 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 _BB_INTERNAL_H_
#define _BB_INTERNAL_H_ 1
#include "busybox.def.h"
#ifdef DMALLOC
#include "dmalloc.h"
#endif
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/param.h>
#include <mntent.h>
#include <regex.h>
/* for the _syscall() macros */
#include <sys/syscall.h>
#include <linux/unistd.h>
/* Some useful definitions */
#define FALSE ((int) 1)
#define TRUE ((int) 0)
/* for mtab.c */
#define MTAB_GETMOUNTPT '1'
#define MTAB_GETDEVICE '2'
#define BUF_SIZE 8192
#define EXPAND_ALLOC 1024
#define isBlank(ch) (((ch) == ' ') || ((ch) == '\t'))
#define isDecimal(ch) (((ch) >= '0') && ((ch) <= '9'))
#define isOctal(ch) (((ch) >= '0') && ((ch) <= '7'))
#define isWildCard(ch) (((ch) == '*') || ((ch) == '?') || ((ch) == '['))
/* 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
/* I don't like nested includes, but the string and io functions are used
* too often
*/
#include <stdio.h>
#if !defined(NO_STRING_H) || defined(STDC_HEADERS)
# include <string.h>
# if !defined(STDC_HEADERS) && !defined(NO_MEMORY_H) && !defined(__GNUC__)
# include <memory.h>
# endif
# define memzero(s, n) memset ((void *)(s), 0, (n))
#else
# include <strings.h>
# define strchr index
# define strrchr rindex
# define memcpy(d, s, n) bcopy((s), (d), (n))
# define memcmp(s1, s2, n) bcmp((s1), (s2), (n))
# define memzero(s, n) bzero((s), (n))
#endif
enum Location {
_BB_DIR_ROOT = 0,
_BB_DIR_BIN,
_BB_DIR_SBIN,
_BB_DIR_USR_BIN,
_BB_DIR_USR_SBIN
};
struct BB_applet {
const char* name;
int (*main)(int argc, char** argv);
enum Location location;
const char* usage;
};
/* From busybox.c */
extern const struct BB_applet applets[];
extern int ar_main(int argc, char **argv);
extern int basename_main(int argc, char **argv);
extern int busybox_main(int argc, char** argv);
extern int cat_main(int argc, char** argv);
extern int chmod_chown_chgrp_main(int argc, char** argv);
extern int chroot_main(int argc, char** argv);
extern int chvt_main(int argc, char** argv);
extern int clear_main(int argc, char** argv);
extern int cp_mv_main(int argc, char** argv);
extern int cut_main(int argc, char** argv);
extern int date_main(int argc, char** argv);
extern int dc_main(int argc, char** argv);
extern int dd_main(int argc, char** argv);
extern int dirname_main(int argc, char** argv);
extern int deallocvt_main(int argc, char** argv);
extern int df_main(int argc, char** argv);
extern int dmesg_main(int argc, char** argv);
extern int du_main(int argc, char** argv);
extern int dumpkmap_main(int argc, char** argv);
extern int dutmp_main(int argc, char** argv);
extern int echo_main(int argc, char** argv);
extern int false_main(int argc, char** argv);
extern int fbset_main(int argc, char** argv);
extern int fdisk_main(int argc, char** argv);
extern int fdflush_main(int argc, char **argv);
extern int fsck_minix_main(int argc, char **argv);
extern int find_main(int argc, char** argv);
extern int free_main(int argc, char** argv);
extern int freeramdisk_main(int argc, char** argv);
extern int getopt_main(int argc, char** argv);
extern int grep_main(int argc, char** argv);
extern int gunzip_main (int argc, char** argv);
extern int gzip_main(int argc, char** argv);
extern int halt_main(int argc, char** argv);
extern int head_main(int argc, char** argv);
extern int hostid_main(int argc, char** argv);
extern int hostname_main(int argc, char** argv);
extern int id_main(int argc, char** argv);
extern int init_main(int argc, char** argv);
extern int insmod_main(int argc, char** argv);
extern int kill_main(int argc, char** argv);
extern int length_main(int argc, char** argv);
extern int ln_main(int argc, char** argv);
extern int loadacm_main(int argc, char** argv);
extern int loadfont_main(int argc, char** argv);
extern int loadkmap_main(int argc, char** argv);
extern int losetup_main(int argc, char** argv);
extern int logger_main(int argc, char **argv);
extern int logname_main(int argc, char **argv);
extern int ls_main(int argc, char** argv);
extern int lsmod_main(int argc, char** argv);
extern int makedevs_main(int argc, char** argv);
extern int md5sum_main(int argc, char** argv);
extern int mkdir_main(int argc, char** argv);
extern int mkfifo_main(int argc, char **argv);
extern int mkfs_minix_main(int argc, char **argv);
extern int mknod_main(int argc, char** argv);
extern int mkswap_main(int argc, char** argv);
extern int mktemp_main(int argc, char **argv);
extern int nc_main(int argc, char** argv);
extern int more_main(int argc, char** argv);
extern int mount_main(int argc, char** argv);
extern int mt_main(int argc, char** argv);
extern int nslookup_main(int argc, char **argv);
extern int ping_main(int argc, char **argv);
extern int poweroff_main(int argc, char **argv);
extern int printf_main(int argc, char** argv);
extern int ps_main(int argc, char** argv);
extern int pwd_main(int argc, char** argv);
extern int rdate_main(int argc, char** argv);
extern int reboot_main(int argc, char** argv);
extern int renice_main(int argc, char** argv);
extern int reset_main(int argc, char** argv);
extern int rm_main(int argc, char** argv);
extern int rmdir_main(int argc, char **argv);
extern int rmmod_main(int argc, char** argv);
extern int sed_main(int argc, char** argv);
extern int sfdisk_main(int argc, char** argv);
extern int setkeycodes_main(int argc, char** argv);
extern int shell_main(int argc, char** argv);
extern int sleep_main(int argc, char** argv);
extern int sort_main(int argc, char** argv);
extern int swap_on_off_main(int argc, char** argv);
extern int sync_main(int argc, char** argv);
extern int syslogd_main(int argc, char **argv);
extern int tail_main(int argc, char** argv);
extern int tar_main(int argc, char** argv);
extern int tee_main(int argc, char** argv);
extern int test_main(int argc, char** argv);
extern int telnet_main(int argc, char** argv);
extern int touch_main(int argc, char** argv);
extern int tr_main(int argc, char** argv);
extern int true_main(int argc, char** argv);
extern int tput_main(int argc, char** argv);
extern int tryopen_main(int argc, char** argv);
extern int tty_main(int argc, char** argv);
extern int uuencode_main(int argc, char** argv);
extern int uudecode_main(int argc, char** argv);
extern int umount_main(int argc, char** argv);
extern int uname_main(int argc, char** argv);
extern int uptime_main(int argc, char** argv);
extern int uniq_main(int argc, char** argv);
extern int update_main(int argc, char** argv);
extern int usleep_main(int argc, char** argv);
extern int wc_main(int argc, char** argv);
extern int which_main(int argc, char** argv);
extern int whoami_main(int argc, char** argv);
extern int yes_main(int argc, char** argv);
extern const char ar_usage[];
extern const char basename_usage[];
extern const char cat_usage[];
extern const char chgrp_usage[];
extern const char chmod_usage[];
extern const char chown_usage[];
extern const char chroot_usage[];
extern const char chvt_usage[];
extern const char clear_usage[];
extern const char cp_usage[];
extern const char cut_usage[];
extern const char date_usage[];
extern const char dc_usage[];
extern const char dd_usage[];
extern const char deallocvt_usage[];
extern const char df_usage[];
extern const char dirname_usage[];
extern const char dmesg_usage[];
extern const char du_usage[];
extern const char dumpkmap_usage[];
extern const char dutmp_usage[];
extern const char echo_usage[];
extern const char false_usage[];
extern const char fdflush_usage[];
extern const char find_usage[];
extern const char free_usage[];
extern const char freeramdisk_usage[];
extern const char fsck_minix_usage[];
extern const char grep_usage[];
extern const char gunzip_usage[];
extern const char gzip_usage[];
extern const char halt_usage[];
extern const char head_usage[];
extern const char hostid_usage[];
extern const char hostname_usage[];
extern const char id_usage[];
extern const char insmod_usage[];
extern const char kill_usage[];
extern const char killall_usage[];
extern const char length_usage[];
extern const char ln_usage[];
extern const char loadacm_usage[];
extern const char loadfont_usage[];
extern const char loadkmap_usage[];
extern const char logger_usage[];
extern const char logname_usage[];
extern const char ls_usage[];
extern const char lsmod_usage[];
extern const char makedevs_usage[];
extern const char md5sum_usage[];
extern const char mkdir_usage[];
extern const char mkfifo_usage[];
extern const char mkfs_minix_usage[];
extern const char mknod_usage[];
extern const char mkswap_usage[];
extern const char mktemp_usage[];
extern const char more_usage[];
extern const char mount_usage[];
extern const char mt_usage[];
extern const char mv_usage[];
extern const char nc_usage[];
extern const char nslookup_usage[];
extern const char ping_usage[];
extern const char poweroff_usage[];
extern const char printf_usage[];
extern const char ps_usage[];
extern const char pwd_usage[];
extern const char rdate_usage[];
extern const char reboot_usage[];
extern const char renice_usage[];
extern const char reset_usage[];
extern const char rm_usage[];
extern const char rmdir_usage[];
extern const char rmmod_usage[];
extern const char sed_usage[];
extern const char setkeycodes_usage[];
extern const char shell_usage[];
extern const char sleep_usage[];
extern const char sort_usage[];
extern const char swapoff_usage[];
extern const char swapon_usage[];
extern const char sync_usage[];
extern const char syslogd_usage[];
extern const char tail_usage[];
extern const char tar_usage[];
extern const char tee_usage[];
extern const char telnet_usage[];
extern const char test_usage[];
extern const char touch_usage[];
extern const char tr_usage[];
extern const char true_usage[];
extern const char tty_usage[];
extern const char umount_usage[];
extern const char uname_usage[];
extern const char uniq_usage[];
extern const char update_usage[];
extern const char uptime_usage[];
extern const char usleep_usage[];
extern const char uudecode_usage[];
extern const char uuencode_usage[];
extern const char wc_usage[];
extern const char which_usage[];
extern const char whoami_usage[];
extern const char yes_usage[];
extern const char *applet_name;
extern void usage(const char *usage) __attribute__ ((noreturn));
extern void errorMsg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
extern void fatalError(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
const char *modeString(int mode);
const char *timeString(time_t timeVal);
int isDirectory(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 copyFile(const char *srcName, const char *destName,
int setModes, int followLinks, int forceFlag);
int copySubFile(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);
int fullWrite(int fd, const char *buf, int len);
int fullRead(int fd, char *buf, int len);
int recursiveAction(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 createPath (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 *findMountPoint(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 getNum (const char *cp);
extern pid_t* findPidByName( 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 void xregcomp(regex_t *preg, const char *regex, int cflags);
#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);
/* 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(char *name);
extern long my_getgrnam(char *name);
extern void my_getpwuid(char *name, long uid);
extern void my_getgrgid(char *group, long gid);
extern long my_getpwnamegid(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);
#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
/* 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
#define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
#define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
#define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY)))
#define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
#endif
#endif /* _BB_INTERNAL_H_ */
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