shell: split read builtin from ash
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
parent
6c93b24ce9
commit
7306727d1b
@ -859,8 +859,6 @@ CONFIG_FEATURE_SH_IS_HUSH=y
|
||||
# CONFIG_ASH is not set
|
||||
# CONFIG_ASH_BASH_COMPAT is not set
|
||||
# CONFIG_ASH_JOB_CONTROL is not set
|
||||
# CONFIG_ASH_READ_NCHARS is not set
|
||||
# CONFIG_ASH_READ_TIMEOUT is not set
|
||||
# CONFIG_ASH_ALIAS is not set
|
||||
# CONFIG_ASH_GETOPTS is not set
|
||||
# CONFIG_ASH_BUILTIN_ECHO is not set
|
||||
|
@ -856,8 +856,6 @@ CONFIG_FEATURE_SH_IS_ASH=y
|
||||
CONFIG_ASH=y
|
||||
CONFIG_ASH_BASH_COMPAT=y
|
||||
CONFIG_ASH_JOB_CONTROL=y
|
||||
CONFIG_ASH_READ_NCHARS=y
|
||||
CONFIG_ASH_READ_TIMEOUT=y
|
||||
CONFIG_ASH_ALIAS=y
|
||||
CONFIG_ASH_GETOPTS=y
|
||||
CONFIG_ASH_BUILTIN_ECHO=y
|
||||
|
@ -5,7 +5,7 @@
|
||||
# Licensed under the GPL v2, see the file LICENSE in this tarball.
|
||||
|
||||
lib-y:=
|
||||
lib-$(CONFIG_ASH) += ash.o ash_ptr_hack.o
|
||||
lib-$(CONFIG_ASH) += ash.o ash_ptr_hack.o shell_common.o builtin_read.o
|
||||
lib-$(CONFIG_HUSH) += hush.o match.o
|
||||
lib-$(CONFIG_CTTYHACK) += cttyhack.o
|
||||
|
||||
|
232
shell/ash.c
232
shell/ash.c
@ -2,18 +2,18 @@
|
||||
/*
|
||||
* ash shell port for busybox
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* Kenneth Almquist.
|
||||
*
|
||||
* Original BSD copyright notice is retained at the end of this file.
|
||||
*
|
||||
* Copyright (c) 1989, 1991, 1993, 1994
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* Copyright (c) 1997-2005 Herbert Xu <herbert@gondor.apana.org.au>
|
||||
* was re-ported from NetBSD and debianized.
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* Kenneth Almquist.
|
||||
*
|
||||
* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
|
||||
*
|
||||
* Original BSD copyright notice is retained at the end of this file.
|
||||
*/
|
||||
|
||||
/*
|
||||
@ -34,8 +34,6 @@
|
||||
|
||||
#define PROFILE 0
|
||||
|
||||
#define IFS_BROKEN
|
||||
|
||||
#define JOBS ENABLE_ASH_JOB_CONTROL
|
||||
|
||||
#if DEBUG
|
||||
@ -50,6 +48,9 @@
|
||||
#include <paths.h>
|
||||
#include <setjmp.h>
|
||||
#include <fnmatch.h>
|
||||
|
||||
#include "shell_common.h"
|
||||
#include "builtin_read.h"
|
||||
#include "math.h"
|
||||
#if ENABLE_ASH_RANDOM_SUPPORT
|
||||
# include "random.h"
|
||||
@ -1737,13 +1738,6 @@ struct localvar {
|
||||
# define VDYNAMIC 0
|
||||
#endif
|
||||
|
||||
#ifdef IFS_BROKEN
|
||||
static const char defifsvar[] ALIGN1 = "IFS= \t\n";
|
||||
#define defifs (defifsvar + 4)
|
||||
#else
|
||||
static const char defifs[] ALIGN1 = " \t\n";
|
||||
#endif
|
||||
|
||||
|
||||
/* Need to be before varinit_data[] */
|
||||
#if ENABLE_LOCALE_SUPPORT
|
||||
@ -1774,7 +1768,7 @@ static const struct {
|
||||
const char *text;
|
||||
void (*func)(const char *) FAST_FUNC;
|
||||
} varinit_data[] = {
|
||||
#ifdef IFS_BROKEN
|
||||
#if IFS_BROKEN
|
||||
{ VSTRFIXED|VTEXTFIXED , defifsvar , NULL },
|
||||
#else
|
||||
{ VSTRFIXED|VTEXTFIXED|VUNSET, "IFS\0" , NULL },
|
||||
@ -12499,211 +12493,53 @@ typedef enum __rlimit_resource rlim_t;
|
||||
static int FAST_FUNC
|
||||
readcmd(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
|
||||
{
|
||||
static const char *const arg_REPLY[] = { "REPLY", NULL };
|
||||
|
||||
char **ap;
|
||||
int backslash;
|
||||
char c;
|
||||
int rflag;
|
||||
char *prompt;
|
||||
const char *ifs;
|
||||
char *p;
|
||||
int startword;
|
||||
int status;
|
||||
char *opt_n = NULL;
|
||||
char *opt_p = NULL;
|
||||
char *opt_t = NULL;
|
||||
char *opt_u = NULL;
|
||||
int read_flags = 0;
|
||||
const char *r;
|
||||
int i;
|
||||
int fd = 0;
|
||||
#if ENABLE_ASH_READ_NCHARS
|
||||
int nchars = 0; /* if != 0, -n is in effect */
|
||||
int silent = 0;
|
||||
struct termios tty, old_tty;
|
||||
#endif
|
||||
#if ENABLE_ASH_READ_TIMEOUT
|
||||
unsigned end_ms = 0;
|
||||
unsigned timeout = 0;
|
||||
#endif
|
||||
|
||||
rflag = 0;
|
||||
prompt = NULL;
|
||||
while ((i = nextopt("p:u:r"
|
||||
IF_ASH_READ_TIMEOUT("t:")
|
||||
IF_ASH_READ_NCHARS("n:s")
|
||||
)) != '\0') {
|
||||
while ((i = nextopt("p:u:rt:n:s")) != '\0') {
|
||||
switch (i) {
|
||||
case 'p':
|
||||
prompt = optionarg;
|
||||
opt_p = optionarg;
|
||||
break;
|
||||
#if ENABLE_ASH_READ_NCHARS
|
||||
case 'n':
|
||||
nchars = bb_strtou(optionarg, NULL, 10);
|
||||
if (nchars < 0 || errno)
|
||||
ash_msg_and_raise_error("invalid count");
|
||||
/* nchars == 0: off (bash 3.2 does this too) */
|
||||
opt_n = optionarg;
|
||||
break;
|
||||
case 's':
|
||||
silent = 1;
|
||||
read_flags |= BUILTIN_READ_SILENT;
|
||||
break;
|
||||
#endif
|
||||
#if ENABLE_ASH_READ_TIMEOUT
|
||||
case 't':
|
||||
timeout = bb_strtou(optionarg, NULL, 10);
|
||||
if (errno || timeout > UINT_MAX / 2048)
|
||||
ash_msg_and_raise_error("invalid timeout");
|
||||
timeout *= 1000;
|
||||
#if 0 /* even bash have no -t N.NNN support */
|
||||
ts.tv_sec = bb_strtou(optionarg, &p, 10);
|
||||
ts.tv_usec = 0;
|
||||
/* EINVAL means number is ok, but not terminated by NUL */
|
||||
if (*p == '.' && errno == EINVAL) {
|
||||
char *p2;
|
||||
if (*++p) {
|
||||
int scale;
|
||||
ts.tv_usec = bb_strtou(p, &p2, 10);
|
||||
if (errno)
|
||||
ash_msg_and_raise_error("invalid timeout");
|
||||
scale = p2 - p;
|
||||
/* normalize to usec */
|
||||
if (scale > 6)
|
||||
ash_msg_and_raise_error("invalid timeout");
|
||||
while (scale++ < 6)
|
||||
ts.tv_usec *= 10;
|
||||
}
|
||||
} else if (ts.tv_sec < 0 || errno) {
|
||||
ash_msg_and_raise_error("invalid timeout");
|
||||
}
|
||||
if (!(ts.tv_sec | ts.tv_usec)) { /* both are 0? */
|
||||
ash_msg_and_raise_error("invalid timeout");
|
||||
}
|
||||
#endif /* if 0 */
|
||||
opt_t = optionarg;
|
||||
break;
|
||||
#endif
|
||||
case 'r':
|
||||
rflag = 1;
|
||||
read_flags |= BUILTIN_READ_RAW;
|
||||
break;
|
||||
case 'u':
|
||||
fd = bb_strtou(optionarg, NULL, 10);
|
||||
if (fd < 0 || errno)
|
||||
ash_msg_and_raise_error("invalid file descriptor");
|
||||
opt_u = optionarg;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (prompt && isatty(fd)) {
|
||||
out2str(prompt);
|
||||
}
|
||||
ap = argptr;
|
||||
if (*ap == NULL)
|
||||
ap = (char**)arg_REPLY;
|
||||
ifs = bltinlookup("IFS");
|
||||
if (ifs == NULL)
|
||||
ifs = defifs;
|
||||
#if ENABLE_ASH_READ_NCHARS
|
||||
tcgetattr(fd, &tty);
|
||||
old_tty = tty;
|
||||
if (nchars || silent) {
|
||||
if (nchars) {
|
||||
tty.c_lflag &= ~ICANON;
|
||||
tty.c_cc[VMIN] = nchars < 256 ? nchars : 255;
|
||||
}
|
||||
if (silent) {
|
||||
tty.c_lflag &= ~(ECHO | ECHOK | ECHONL);
|
||||
}
|
||||
/* if tcgetattr failed, tcsetattr will fail too.
|
||||
* Ignoring, it's harmless. */
|
||||
tcsetattr(fd, TCSANOW, &tty);
|
||||
}
|
||||
#endif
|
||||
|
||||
status = 0;
|
||||
startword = 1;
|
||||
backslash = 0;
|
||||
#if ENABLE_ASH_READ_TIMEOUT
|
||||
if (timeout) /* NB: ensuring end_ms is nonzero */
|
||||
end_ms = ((unsigned)monotonic_ms() + timeout) | 1;
|
||||
#endif
|
||||
STARTSTACKSTR(p);
|
||||
do {
|
||||
const char *is_ifs;
|
||||
r = builtin_read(setvar,
|
||||
argptr,
|
||||
bltinlookup("IFS"), /* can be NULL */
|
||||
read_flags,
|
||||
opt_n,
|
||||
opt_p,
|
||||
opt_t,
|
||||
opt_u
|
||||
);
|
||||
|
||||
#if ENABLE_ASH_READ_TIMEOUT
|
||||
if (end_ms) {
|
||||
struct pollfd pfd[1];
|
||||
pfd[0].fd = fd;
|
||||
pfd[0].events = POLLIN;
|
||||
timeout = end_ms - (unsigned)monotonic_ms();
|
||||
if ((int)timeout <= 0 /* already late? */
|
||||
|| safe_poll(pfd, 1, timeout) != 1 /* no? wait... */
|
||||
) { /* timed out! */
|
||||
#if ENABLE_ASH_READ_NCHARS
|
||||
tcsetattr(fd, TCSANOW, &old_tty);
|
||||
#endif
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
if (nonblock_safe_read(fd, &c, 1) != 1) {
|
||||
status = 1;
|
||||
break;
|
||||
}
|
||||
if (c == '\0')
|
||||
continue;
|
||||
if (backslash) {
|
||||
backslash = 0;
|
||||
if (c != '\n')
|
||||
goto put;
|
||||
continue;
|
||||
}
|
||||
if (!rflag && c == '\\') {
|
||||
backslash = 1;
|
||||
continue;
|
||||
}
|
||||
if (c == '\n')
|
||||
break;
|
||||
/* $IFS splitting */
|
||||
/* http://www.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_06_05 */
|
||||
is_ifs = strchr(ifs, c);
|
||||
if (startword && is_ifs) {
|
||||
if (isspace(c))
|
||||
continue;
|
||||
/* it is a non-space ifs char */
|
||||
startword--;
|
||||
if (startword == 1) /* first one? */
|
||||
continue; /* yes, it is not next word yet */
|
||||
}
|
||||
startword = 0;
|
||||
if (ap[1] != NULL && is_ifs) {
|
||||
const char *beg;
|
||||
STACKSTRNUL(p);
|
||||
beg = stackblock();
|
||||
setvar(*ap, beg, 0);
|
||||
ap++;
|
||||
/* can we skip one non-space ifs char? (2: yes) */
|
||||
startword = isspace(c) ? 2 : 1;
|
||||
STARTSTACKSTR(p);
|
||||
continue;
|
||||
}
|
||||
put:
|
||||
STPUTC(c, p);
|
||||
}
|
||||
/* end of do {} while: */
|
||||
#if ENABLE_ASH_READ_NCHARS
|
||||
while (--nchars);
|
||||
#else
|
||||
while (1);
|
||||
#endif
|
||||
if ((uintptr_t)r > 1)
|
||||
ash_msg_and_raise_error(r);
|
||||
|
||||
#if ENABLE_ASH_READ_NCHARS
|
||||
tcsetattr(fd, TCSANOW, &old_tty);
|
||||
#endif
|
||||
|
||||
STACKSTRNUL(p);
|
||||
/* Remove trailing space ifs chars */
|
||||
while ((char *)stackblock() <= --p && isspace(*p) && strchr(ifs, *p) != NULL)
|
||||
*p = '\0';
|
||||
setvar(*ap, stackblock(), 0);
|
||||
while (*++ap != NULL)
|
||||
setvar(*ap, nullstr, 0);
|
||||
return status;
|
||||
return (uintptr_t)r;
|
||||
}
|
||||
|
||||
static int FAST_FUNC
|
||||
|
5
shell/ash_test/ash-read/read_REPLY.right
Normal file
5
shell/ash_test/ash-read/read_REPLY.right
Normal file
@ -0,0 +1,5 @@
|
||||
test 1: | abc1 def |
|
||||
test 2: | \abc2 d\ef |
|
||||
test 3: |abc3 def|
|
||||
test 4: |\abc4 d\ef|
|
||||
Done
|
5
shell/ash_test/ash-read/read_REPLY.tests
Executable file
5
shell/ash_test/ash-read/read_REPLY.tests
Executable file
@ -0,0 +1,5 @@
|
||||
echo ' \abc1 d\ef ' | ( read ; echo "test 1: |$REPLY|" )
|
||||
echo ' \abc2 d\ef ' | ( read -r ; echo "test 2: |$REPLY|" )
|
||||
echo ' \abc3 d\ef ' | ( read REPLY; echo "test 3: |$REPLY|" )
|
||||
echo ' \abc4 d\ef ' | ( read -r REPLY; echo "test 4: |$REPLY|" )
|
||||
echo Done
|
205
shell/builtin_read.c
Normal file
205
shell/builtin_read.c
Normal file
@ -0,0 +1,205 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Adapted from ash applet code
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* Kenneth Almquist.
|
||||
*
|
||||
* Copyright (c) 1989, 1991, 1993, 1994
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* Copyright (c) 1997-2005 Herbert Xu <herbert@gondor.apana.org.au>
|
||||
* was re-ported from NetBSD and debianized.
|
||||
*
|
||||
* Copyright (c) 2010 Denys Vlasenko
|
||||
* Split from ash.c
|
||||
*
|
||||
* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
|
||||
*/
|
||||
#include "libbb.h"
|
||||
#include "shell_common.h"
|
||||
#include "builtin_read.h"
|
||||
|
||||
const char* FAST_FUNC
|
||||
builtin_read(void (*setvar)(const char *name, const char *val, int flags),
|
||||
char **argv,
|
||||
const char *ifs,
|
||||
int read_flags,
|
||||
const char *opt_n,
|
||||
const char *opt_p,
|
||||
const char *opt_t,
|
||||
const char *opt_u
|
||||
)
|
||||
{
|
||||
static const char *const arg_REPLY[] = { "REPLY", NULL };
|
||||
|
||||
unsigned end_ms; /* -t TIMEOUT */
|
||||
int fd; /* -u FD */
|
||||
int nchars; /* -n NUM */
|
||||
char *buffer;
|
||||
struct termios tty, old_tty;
|
||||
const char *retval;
|
||||
int bufpos; /* need to be able to hold -1 */
|
||||
int startword;
|
||||
smallint backslash;
|
||||
|
||||
nchars = 0; /* if != 0, -n is in effect */
|
||||
if (opt_n) {
|
||||
nchars = bb_strtou(opt_n, NULL, 10);
|
||||
if (nchars < 0 || errno)
|
||||
return "invalid count";
|
||||
/* note: "-n 0": off (bash 3.2 does this too) */
|
||||
}
|
||||
end_ms = 0;
|
||||
if (opt_t) {
|
||||
end_ms = bb_strtou(opt_t, NULL, 10);
|
||||
if (errno || end_ms > UINT_MAX / 2048)
|
||||
return "invalid timeout";
|
||||
end_ms *= 1000;
|
||||
#if 0 /* even bash has no -t N.NNN support */
|
||||
ts.tv_sec = bb_strtou(opt_t, &p, 10);
|
||||
ts.tv_usec = 0;
|
||||
/* EINVAL means number is ok, but not terminated by NUL */
|
||||
if (*p == '.' && errno == EINVAL) {
|
||||
char *p2;
|
||||
if (*++p) {
|
||||
int scale;
|
||||
ts.tv_usec = bb_strtou(p, &p2, 10);
|
||||
if (errno)
|
||||
return "invalid timeout";
|
||||
scale = p2 - p;
|
||||
/* normalize to usec */
|
||||
if (scale > 6)
|
||||
return "invalid timeout";
|
||||
while (scale++ < 6)
|
||||
ts.tv_usec *= 10;
|
||||
}
|
||||
} else if (ts.tv_sec < 0 || errno) {
|
||||
return "invalid timeout";
|
||||
}
|
||||
if (!(ts.tv_sec | ts.tv_usec)) { /* both are 0? */
|
||||
return "invalid timeout";
|
||||
}
|
||||
#endif /* if 0 */
|
||||
}
|
||||
fd = STDIN_FILENO;
|
||||
if (opt_u) {
|
||||
fd = bb_strtou(opt_u, NULL, 10);
|
||||
if (fd < 0 || errno)
|
||||
return "invalid file descriptor";
|
||||
}
|
||||
|
||||
if (opt_p && isatty(fd)) {
|
||||
fputs(opt_p, stderr);
|
||||
fflush_all();
|
||||
}
|
||||
|
||||
if (argv[0] == NULL)
|
||||
argv = (char**)arg_REPLY;
|
||||
if (ifs == NULL)
|
||||
ifs = defifs;
|
||||
|
||||
if (nchars || (read_flags & BUILTIN_READ_SILENT)) {
|
||||
tcgetattr(fd, &tty);
|
||||
old_tty = tty;
|
||||
if (nchars) {
|
||||
tty.c_lflag &= ~ICANON;
|
||||
tty.c_cc[VMIN] = nchars < 256 ? nchars : 255;
|
||||
}
|
||||
if (read_flags & BUILTIN_READ_SILENT) {
|
||||
tty.c_lflag &= ~(ECHO | ECHOK | ECHONL);
|
||||
}
|
||||
/* This forces execution of "restoring" tcgetattr later */
|
||||
read_flags |= BUILTIN_READ_SILENT;
|
||||
/* if tcgetattr failed, tcsetattr will fail too.
|
||||
* Ignoring, it's harmless. */
|
||||
tcsetattr(fd, TCSANOW, &tty);
|
||||
}
|
||||
|
||||
retval = (const char *)(uintptr_t)0;
|
||||
startword = 1;
|
||||
backslash = 0;
|
||||
if (end_ms) /* NB: end_ms stays nonzero: */
|
||||
end_ms = ((unsigned)monotonic_ms() + end_ms) | 1;
|
||||
buffer = NULL;
|
||||
bufpos = 0;
|
||||
do {
|
||||
char c;
|
||||
const char *is_ifs;
|
||||
|
||||
if (end_ms) {
|
||||
int timeout;
|
||||
struct pollfd pfd[1];
|
||||
|
||||
pfd[0].fd = fd;
|
||||
pfd[0].events = POLLIN;
|
||||
timeout = end_ms - (unsigned)monotonic_ms();
|
||||
if (timeout <= 0 /* already late? */
|
||||
|| safe_poll(pfd, 1, timeout) != 1 /* no? wait... */
|
||||
) { /* timed out! */
|
||||
retval = (const char *)(uintptr_t)1;
|
||||
goto ret;
|
||||
}
|
||||
}
|
||||
|
||||
if ((bufpos & 0xff) == 0)
|
||||
buffer = xrealloc(buffer, bufpos + 0x100);
|
||||
if (nonblock_safe_read(fd, &buffer[bufpos], 1) != 1) {
|
||||
retval = (const char *)(uintptr_t)1;
|
||||
break;
|
||||
}
|
||||
c = buffer[bufpos];
|
||||
if (c == '\0')
|
||||
continue;
|
||||
if (backslash) {
|
||||
backslash = 0;
|
||||
if (c != '\n')
|
||||
goto put;
|
||||
continue;
|
||||
}
|
||||
if (!(read_flags & BUILTIN_READ_RAW) && c == '\\') {
|
||||
backslash = 1;
|
||||
continue;
|
||||
}
|
||||
if (c == '\n')
|
||||
break;
|
||||
/* $IFS splitting */
|
||||
/* http://www.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_06_05 */
|
||||
is_ifs = strchr(ifs, c);
|
||||
if (startword && is_ifs) {
|
||||
if (isspace(c))
|
||||
continue;
|
||||
/* it is a non-space ifs char */
|
||||
startword--;
|
||||
if (startword == 1) /* first one? */
|
||||
continue; /* yes, it is not next word yet */
|
||||
}
|
||||
startword = 0;
|
||||
if (argv[1] != NULL && is_ifs) {
|
||||
buffer[bufpos] = '\0';
|
||||
bufpos = 0;
|
||||
setvar(*argv, buffer, 0);
|
||||
argv++;
|
||||
/* can we skip one non-space ifs char? (2: yes) */
|
||||
startword = isspace(c) ? 2 : 1;
|
||||
continue;
|
||||
}
|
||||
put:
|
||||
bufpos++;
|
||||
} while (--nchars);
|
||||
|
||||
/* Remove trailing space ifs chars */
|
||||
while (--bufpos >= 0 && isspace(buffer[bufpos]) && strchr(ifs, buffer[bufpos]) != NULL)
|
||||
continue;
|
||||
buffer[bufpos + 1] = '\0';
|
||||
|
||||
setvar(*argv, buffer, 0);
|
||||
|
||||
while (*++argv != NULL)
|
||||
setvar(*argv, "", 0);
|
||||
ret:
|
||||
free(buffer);
|
||||
if (read_flags & BUILTIN_READ_SILENT)
|
||||
tcsetattr(fd, TCSANOW, &old_tty);
|
||||
return retval;
|
||||
}
|
42
shell/builtin_read.h
Normal file
42
shell/builtin_read.h
Normal file
@ -0,0 +1,42 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Adapted from ash applet code
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* Kenneth Almquist.
|
||||
*
|
||||
* Copyright (c) 1989, 1991, 1993, 1994
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* Copyright (c) 1997-2005 Herbert Xu <herbert@gondor.apana.org.au>
|
||||
* was re-ported from NetBSD and debianized.
|
||||
*
|
||||
* Copyright (c) 2010 Denys Vlasenko
|
||||
* Split from ash.c
|
||||
*
|
||||
* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
|
||||
*/
|
||||
#ifndef SHELL_BUILTIN_READ_H
|
||||
#define SHELL_BUILTIN_READ_H 1
|
||||
|
||||
PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
|
||||
|
||||
enum {
|
||||
BUILTIN_READ_SILENT = 1 << 0,
|
||||
BUILTIN_READ_RAW = 1 << 1,
|
||||
};
|
||||
|
||||
const char* FAST_FUNC
|
||||
builtin_read(void (*setvar)(const char *name, const char *val, int flags),
|
||||
char **argv,
|
||||
const char *ifs,
|
||||
int read_flags,
|
||||
const char *opt_n,
|
||||
const char *opt_p,
|
||||
const char *opt_t,
|
||||
const char *opt_u
|
||||
);
|
||||
|
||||
POP_SAVED_FUNCTION_VISIBILITY
|
||||
|
||||
#endif
|
@ -1,16 +1,16 @@
|
||||
/*
|
||||
* ##/%% variable matching code ripped out of ash shell for code sharing
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* Kenneth Almquist.
|
||||
*
|
||||
* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
|
||||
*
|
||||
* Copyright (c) 1989, 1991, 1993, 1994
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* Copyright (c) 1997-2005 Herbert Xu <herbert@gondor.apana.org.au>
|
||||
* was re-ported from NetBSD and debianized.
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* Kenneth Almquist.
|
||||
*
|
||||
* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
|
||||
*/
|
||||
#ifdef STANDALONE
|
||||
# include <stdbool.h>
|
||||
|
@ -1,5 +1,8 @@
|
||||
/* match.h - interface to shell ##/%% matching code */
|
||||
|
||||
#ifndef SHELL_MATCH_H
|
||||
#define SHELL_MATCH_H 1
|
||||
|
||||
PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
|
||||
|
||||
typedef char *(*scan_t)(char *string, char *match, bool match_at_left);
|
||||
@ -24,3 +27,5 @@ static inline scan_t pick_scan(char op1, char op2, bool *match_at_left)
|
||||
}
|
||||
|
||||
POP_SAVED_FUNCTION_VISIBILITY
|
||||
|
||||
#endif
|
||||
|
15
shell/math.c
15
shell/math.c
@ -1,20 +1,17 @@
|
||||
/*
|
||||
* arithmetic code ripped out of ash shell for code sharing
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* Kenneth Almquist.
|
||||
*
|
||||
* Original BSD copyright notice is retained at the end of this file.
|
||||
*
|
||||
* Copyright (c) 1989, 1991, 1993, 1994
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* Copyright (c) 1997-2005 Herbert Xu <herbert@gondor.apana.org.au>
|
||||
* was re-ported from NetBSD and debianized.
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* Kenneth Almquist.
|
||||
*
|
||||
* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
|
||||
*
|
||||
* Original BSD copyright notice is retained at the end of this file.
|
||||
*/
|
||||
/*
|
||||
* rewrite arith.y to micro stack based cryptic algorithm by
|
||||
* Copyright (c) 2001 Aaron Lehmann <aaronl@vitelus.com>
|
||||
*
|
||||
@ -25,6 +22,8 @@
|
||||
* used in busybox and size optimizations,
|
||||
* rewrote arith (see notes to this), added locale support,
|
||||
* rewrote dynamic variables.
|
||||
*
|
||||
* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
|
||||
*/
|
||||
#include "libbb.h"
|
||||
#include "math.h"
|
||||
|
@ -6,6 +6,10 @@
|
||||
*
|
||||
* Licensed under GPLv2, see file LICENSE in this tarball for details.
|
||||
*/
|
||||
#ifndef SHELL_RANDOM_H
|
||||
#define SHELL_RANDOM_H 1
|
||||
|
||||
PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
|
||||
|
||||
typedef struct random_t {
|
||||
/* Random number generators */
|
||||
@ -23,3 +27,7 @@ typedef struct random_t {
|
||||
((rnd)->galois_LFSR = 0)
|
||||
|
||||
uint32_t next_random(random_t *rnd) FAST_FUNC;
|
||||
|
||||
POP_SAVED_FUNCTION_VISIBILITY
|
||||
|
||||
#endif
|
||||
|
26
shell/shell_common.c
Normal file
26
shell/shell_common.c
Normal file
@ -0,0 +1,26 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Adapted from ash applet code
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* Kenneth Almquist.
|
||||
*
|
||||
* Copyright (c) 1989, 1991, 1993, 1994
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* Copyright (c) 1997-2005 Herbert Xu <herbert@gondor.apana.org.au>
|
||||
* was re-ported from NetBSD and debianized.
|
||||
*
|
||||
* Copyright (c) 2010 Denys Vlasenko
|
||||
* Split from ash.c
|
||||
*
|
||||
* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
|
||||
*/
|
||||
#include "libbb.h"
|
||||
#include "shell_common.h"
|
||||
|
||||
#if IFS_BROKEN
|
||||
const char defifsvar[] ALIGN1 = "IFS= \t\n";
|
||||
#else
|
||||
const char defifs[] ALIGN1 = " \t\n";
|
||||
#endif
|
35
shell/shell_common.h
Normal file
35
shell/shell_common.h
Normal file
@ -0,0 +1,35 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Adapted from ash applet code
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* Kenneth Almquist.
|
||||
*
|
||||
* Copyright (c) 1989, 1991, 1993, 1994
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* Copyright (c) 1997-2005 Herbert Xu <herbert@gondor.apana.org.au>
|
||||
* was re-ported from NetBSD and debianized.
|
||||
*
|
||||
* Copyright (c) 2010 Denys Vlasenko
|
||||
* Split from ash.c
|
||||
*
|
||||
* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
|
||||
*/
|
||||
#ifndef SHELL_COMMON_H
|
||||
#define SHELL_COMMON_H 1
|
||||
|
||||
PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
|
||||
|
||||
#define IFS_BROKEN 1
|
||||
|
||||
#if IFS_BROKEN
|
||||
extern const char defifsvar[]; /* "IFS= \t\n" */
|
||||
#define defifs (defifsvar + 4)
|
||||
#else
|
||||
extern const char defifs[]; /* " \t\n" */
|
||||
#endif
|
||||
|
||||
POP_SAVED_FUNCTION_VISIBILITY
|
||||
|
||||
#endif
|
Loading…
Reference in New Issue
Block a user