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Rename two config options:

Browse Source 
FEATURE_SH_STANDALONE_SHELL => FEATURE_SH_STANDALONE
FEATURE_EXEC_PREFER_APPLETS => FEATURE_PREFER_APPLETS
Make SH_STANDALONE depend on PREFER_APPLETS.
getopt.c: more randomconfig-induced fixes
This commit is contained in:
Denis Vlasenko 2007-04-10 23:03:30 +00:00
parent 8905496444
commit 80d14beae9
17 changed files with 67 additions and 40 deletions
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6
Config.in
View File

@ -238,7 +238,7 @@ config SELINUX
Most people will leave this set to 'N'.
config FEATURE_EXEC_PREFER_APPLETS
config FEATURE_PREFER_APPLETS
bool "exec prefers applets"
default n
help
@ -462,10 +462,10 @@ config INSTALL_APPLET_HARDLINKS
config INSTALL_APPLET_DONT
bool "not installed"
depends on FEATURE_INSTALLER || FEATURE_SH_STANDALONE_SHELL || FEATURE_EXEC_PREFER_APPLETS
depends on FEATURE_INSTALLER || FEATURE_SH_STANDALONE || FEATURE_PREFER_APPLETS
help
Do not install applet links. Useful when using the -install feature
or a standalone shell for rescue pruposes.
or a standalone shell for rescue purposes.
endchoice

4
TODO_config_nommu
View File

@ -35,7 +35,7 @@ CONFIG_FEATURE_SYSLOG=y
# CONFIG_FEATURE_SUID_CONFIG_QUIET is not set
# CONFIG_FEATURE_HAVE_RPC is not set
# CONFIG_SELINUX is not set
# CONFIG_FEATURE_EXEC_PREFER_APPLETS is not set
# CONFIG_FEATURE_PREFER_APPLETS is not set
CONFIG_BUSYBOX_EXEC_PATH="/proc/self/exe"
#
@ -657,7 +657,7 @@ CONFIG_MSH=y
# Bourne Shell Options
#
CONFIG_FEATURE_SH_EXTRA_QUIET=y
# CONFIG_FEATURE_SH_STANDALONE_SHELL is not set
# CONFIG_FEATURE_SH_STANDALONE is not set
#
# System Logging Utilities

4
include/applets.h
View File

@ -56,8 +56,8 @@ s - suid type:
# define APPLET(name,l,s) { #name, name##_main USE_FEATURE_INSTALLER(,l) USE_FEATURE_SUID(,s) },
# define APPLET_NOUSAGE(name,main,l,s) { #name, main##_main USE_FEATURE_INSTALLER(,l) USE_FEATURE_SUID(,s) },
# define APPLET_ODDNAME(name,main,l,s,name2) { #name, main##_main USE_FEATURE_INSTALLER(,l) USE_FEATURE_SUID(,s) },
# define APPLET_NOEXEC(name,main,l,s,name2) { #name, main##_main USE_FEATURE_INSTALLER(,l) USE_FEATURE_SUID(,s) USE_FEATURE_EXEC_PREFER_APPLETS(,1) },
# define APPLET_NOFORK(name,main,l,s,name2) { #name, main##_main USE_FEATURE_INSTALLER(,l) USE_FEATURE_SUID(,s) USE_FEATURE_EXEC_PREFER_APPLETS(,1 ,1) },
# define APPLET_NOEXEC(name,main,l,s,name2) { #name, main##_main USE_FEATURE_INSTALLER(,l) USE_FEATURE_SUID(,s) USE_FEATURE_PREFER_APPLETS(,1) },
# define APPLET_NOFORK(name,main,l,s,name2) { #name, main##_main USE_FEATURE_INSTALLER(,l) USE_FEATURE_SUID(,s) USE_FEATURE_PREFER_APPLETS(,1 ,1) },
#endif
#if ENABLE_INSTALL_NO_USR

2
include/busybox.h
View File

@ -37,7 +37,7 @@ struct bb_applet {
#if ENABLE_FEATURE_SUID
__extension__ enum bb_suid_t need_suid:8;
#endif
#if ENABLE_FEATURE_EXEC_PREFER_APPLETS
#if ENABLE_FEATURE_PREFER_APPLETS
/* true if instead if fork(); exec("applet"); waitpid();
* one can do fork(); exit(applet_main(argc,argv)); waitpid(); */
unsigned char noexec;

5
include/libbb.h
View File

@ -502,7 +502,7 @@ int execable_file(const char *name);
char *find_execable(const char *filename);
int exists_execable(const char *filename);
#if ENABLE_FEATURE_EXEC_PREFER_APPLETS
#if ENABLE_FEATURE_PREFER_APPLETS
int bb_execvp(const char *file, char *const argv[]);
#define BB_EXECVP(prog,cmd) bb_execvp(prog,cmd)
#define BB_EXECLP(prog,cmd,...) \
@ -609,7 +609,8 @@ llist_t *llist_rev(llist_t *list);
int write_pidfile(const char *path);
#define remove_pidfile(f) ((void)unlink(f))
#else
#define write_pidfile(f) TRUE
/* Why? #defining it to 1 gives "warning: statement with no effect"... */
static ATTRIBUTE_ALWAYS_INLINE int write_pidfile(const char *path) { return 1; }
#define remove_pidfile(f) ((void)0)
#endif

1
libbb/default_error_retval.c
View File

@ -13,7 +13,6 @@
* that too seems silly.
*/
#include <stdlib.h>
#include "libbb.h"
int xfunc_error_retval = EXIT_FAILURE;

4
libbb/error_msg_and_die.c
View File

@ -10,14 +10,14 @@
#include "libbb.h"
int die_sleep;
#if ENABLE_FEATURE_EXEC_PREFER_APPLETS
#if ENABLE_FEATURE_PREFER_APPLETS
jmp_buf die_jmp;
#endif
void xfunc_die(void)
{
if (die_sleep) {
if (ENABLE_FEATURE_EXEC_PREFER_APPLETS && die_sleep < 0) {
if (ENABLE_FEATURE_PREFER_APPLETS && die_sleep < 0) {
/* Special case. We arrive here if NOFORK applet
* calls xfunc, which then decides to die.
* We don't die, but jump instead back to caller.

2
libbb/execable.c
View File

@ -60,7 +60,7 @@ int exists_execable(const char *filename)
return 0;
}
#if ENABLE_FEATURE_EXEC_PREFER_APPLETS
#if ENABLE_FEATURE_PREFER_APPLETS
/* just like the real execvp, but try to launch an applet named 'file' first
*/
int bb_execvp(const char *file, char *const argv[])

2
libbb/fflush_stdout_and_exit.c
View File

@ -18,7 +18,7 @@ void fflush_stdout_and_exit(int retval)
if (fflush(stdout))
xfunc_die();
if (ENABLE_FEATURE_EXEC_PREFER_APPLETS && die_sleep < 0) {
if (ENABLE_FEATURE_PREFER_APPLETS && die_sleep < 0) {
/* We are in NOFORK applet. Do not exit() directly,
* but use xfunc_die() */
xfunc_error_retval = retval;

14
libbb/vfork_daemon_rexec.c
View File

@ -102,7 +102,7 @@ int wait_pid(int *wstat, int pid)
int spawn_and_wait(char **argv)
{
#if ENABLE_FEATURE_EXEC_PREFER_APPLETS
#if ENABLE_FEATURE_PREFER_APPLETS
int rc;
const struct bb_applet *a = find_applet_by_name(argv[0]);
@ -121,8 +121,13 @@ int spawn_and_wait(char **argv)
{
int old_sleep = die_sleep;
int old_x = xfunc_error_retval;
die_sleep = -1; /* special flag */
/* xfunc_die() checks for it */
uint32_t old_m = option_mask32;
xfunc_error_retval = EXIT_FAILURE;
/* special flag for xfunc_die(). If xfunc will "die"
* in NOFORK applet, xfunc_die() sees negative
* die_sleep and longjmp here instead. */
die_sleep = -1;
rc = setjmp(die_jmp);
if (!rc) {
@ -144,6 +149,7 @@ int spawn_and_wait(char **argv)
die_sleep = old_sleep;
xfunc_error_retval = old_x;
option_mask32 = old_m;
return rc;
}
#ifndef BB_NOMMU /* MMU only */
@ -159,7 +165,7 @@ int spawn_and_wait(char **argv)
rc = spawn(argv);
w:
return wait4pid(rc);
#else /* !FEATURE_EXEC_PREFER_APPLETS */
#else /* !FEATURE_PREFER_APPLETS */
return wait4pid(spawn(argv));
#endif
}

4
scripts/defconfig
View File

@ -29,7 +29,7 @@ CONFIG_FEATURE_SUID_CONFIG=y
CONFIG_FEATURE_SUID_CONFIG_QUIET=y
# CONFIG_FEATURE_HAVE_RPC is not set
# CONFIG_SELINUX is not set
# CONFIG_FEATURE_EXEC_PREFER_APPLETS is not set
# CONFIG_FEATURE_PREFER_APPLETS is not set
CONFIG_BUSYBOX_EXEC_PATH="/proc/self/exe"
#
@ -658,7 +658,7 @@ CONFIG_ASH_RANDOM_SUPPORT=y
# Bourne Shell Options
#
CONFIG_FEATURE_SH_EXTRA_QUIET=y
# CONFIG_FEATURE_SH_STANDALONE_SHELL is not set
# CONFIG_FEATURE_SH_STANDALONE is not set
#
# System Logging Utilities

4
shell/Config.in
View File

@ -216,10 +216,10 @@ config FEATURE_SH_EXTRA_QUIET
help
Remove the busybox introduction when starting a shell.
config FEATURE_SH_STANDALONE_SHELL
config FEATURE_SH_STANDALONE
bool "Standalone shell"
default n
depends on MSH || LASH || HUSH || ASH
depends on (MSH || LASH || HUSH || ASH) && FEATURE_PREFER_APPLETS
help
This option causes the selected busybox shell to use busybox applets
in preference to executables in the PATH whenever possible. For

8
shell/ash.c
View File

@ -6531,7 +6531,7 @@ tryexec(char *cmd, char **argv, char **envp)
{
int repeated = 0;
#if ENABLE_FEATURE_SH_STANDALONE_SHELL
#if ENABLE_FEATURE_SH_STANDALONE
if (strchr(cmd, '/') == NULL) {
const struct bb_applet *a;
@ -6596,7 +6596,7 @@ shellexec(char **argv, const char *path, int idx)
clearredir(1);
envp = environment();
if (strchr(argv[0], '/')
#if ENABLE_FEATURE_SH_STANDALONE_SHELL
#if ENABLE_FEATURE_SH_STANDALONE
|| find_applet_by_name(argv[0])
#endif
) {
@ -11116,7 +11116,7 @@ find_command(char *name, struct cmdentry *entry, int act, const char *path)
return;
}
#if ENABLE_FEATURE_SH_STANDALONE_SHELL
#if ENABLE_FEATURE_SH_STANDALONE
if (find_applet_by_name(name)) {
entry->cmdtype = CMDNORMAL;
entry->u.index = -1;
@ -11341,7 +11341,7 @@ helpcmd(int argc, char **argv)
col = 0;
}
}
#if ENABLE_FEATURE_SH_STANDALONE_SHELL
#if ENABLE_FEATURE_SH_STANDALONE
for (i = 0; i < NUM_APPLETS; i++) {
col += out1fmt("%c%s", ((col == 0) ? '\t' : ' '), applets[i].name);
if (col > 60) {

2
shell/hush.c
View File

@ -1112,7 +1112,7 @@ static void pseudo_exec(struct child_prog *child)
* really dislike relying on /proc for things. We could exec ourself
* from global_argv[0], but if we are in a chroot, we may not be able
* to find ourself... */
#if ENABLE_FEATURE_SH_STANDALONE_SHELL
#if ENABLE_FEATURE_SH_STANDALONE
{
int argc_l;
char** argv_l = child->argv;

2
shell/lash.c
View File

@ -1164,7 +1164,7 @@ static int pseudo_exec(struct child_prog *child)
* /bin/foo invocation will fork and exec /bin/foo, even if
* /bin/foo is a symlink to busybox.
*/
if (ENABLE_FEATURE_SH_STANDALONE_SHELL) {
if (ENABLE_FEATURE_SH_STANDALONE) {
char **argv_l = child->argv;
int argc_l;

6
shell/msh.c
View File

@ -37,7 +37,7 @@
# define DEFAULT_SHELL "/proc/self/exe"
# define CONFIG_BUSYBOX_EXEC_PATH "/proc/self/exe"
# define BB_BANNER "busybox standalone"
# define ENABLE_FEATURE_SH_STANDALONE_SHELL 0
# define ENABLE_FEATURE_SH_STANDALONE 0
# define bb_msg_memory_exhausted "memory exhausted"
# define xmalloc(size) malloc(size)
# define msh_main(argc,argv) main(argc,argv)
@ -3064,7 +3064,7 @@ static const char *rexecve(char *c, char **v, char **envp)
int eacces = 0, asis = 0;
char *name = c;
if (ENABLE_FEATURE_SH_STANDALONE_SHELL) {
if (ENABLE_FEATURE_SH_STANDALONE) {
optind = 1;
if (find_applet_by_name(name)) {
/* We have to exec here since we vforked. Running
@ -3195,7 +3195,7 @@ static int dohelp(struct op *t)
}
x++;
}
#if ENABLE_FEATURE_SH_STANDALONE_SHELL
#if ENABLE_FEATURE_SH_STANDALONE
{
const struct bb_applet *applet = applets;

37
util-linux/getopt.c
View File

@ -38,8 +38,10 @@
mode */
enum {
NON_OPT = 1,
#if ENABLE_GETOPT_LONG
/* LONG_OPT is the code that is returned when a long option is found. */
LONG_OPT = 2
#endif
};
/* For finding activated option flags. Must match getopt32 call! */
@ -51,8 +53,10 @@ enum {
OPT_s = 0x10, // -s
OPT_T = 0x20, // -T
OPT_u = 0x40, // -u
#if ENABLE_GETOPT_LONG
OPT_a = 0x80, // -a
OPT_l = 0x100, // -l
#endif
SHELL_IS_TCSH = 0x8000, /* hijack this bit for other purposes */
};
@ -137,31 +141,45 @@ static const char *normalize(const char *arg)
* optstr must contain the short options, and longopts the long options.
* Other settings are found in global variables.
*/
static int generate_output(char * argv[],int argc,const char *optstr,
const struct option *longopts)
#if !ENABLE_GETOPT_LONG
#define generate_output(argv,argc,optstr,longopts) generate_output(argv,argc,optstr)
#endif
static int generate_output(char **argv, int argc, const char *optstr, const struct option *longopts)
{
int exit_code = 0; /* We assume everything will be OK */
unsigned opt;
#if ENABLE_GETOPT_LONG
int longindex;
#endif
const char *charptr;
if (quiet_errors) /* No error reporting from getopt(3) */
opterr = 0;
optind = 0; /* Reset getopt(3) */
while ((opt = (alternative ?
getopt_long_only(argc,argv,optstr,longopts,&longindex) :
getopt_long(argc,argv,optstr,longopts,&longindex)))
!= EOF)
while (1) {
opt =
#if ENABLE_GETOPT_LONG
alternative ?
getopt_long_only(argc, argv, optstr, longopts, &longindex) :
getopt_long(argc, argv, optstr, longopts, &longindex);
#else
getopt(argc, argv, optstr);
#endif
if (opt == EOF)
break;
if (opt == '?' || opt == ':' )
exit_code = 1;
else if (!quiet_output) {
#if ENABLE_GETOPT_LONG
if (opt == LONG_OPT) {
printf(" --%s", longopts[longindex].name);
if (longopts[longindex].has_arg)
printf(" %s",
normalize(optarg ? optarg : ""));
} else if (opt == NON_OPT)
} else
#endif
if (opt == NON_OPT)
printf(" %s", normalize(optarg));
else {
printf(" -%c", opt);
@ -171,6 +189,7 @@ static int generate_output(char * argv[],int argc,const char *optstr,
normalize(optarg ? optarg : ""));
}
}
}
if (!quiet_output) {
printf(" --");
@ -181,6 +200,7 @@ static int generate_output(char * argv[],int argc,const char *optstr,
return exit_code;
}
#if ENABLE_GETOPT_LONG
/*
* Register several long options. options is a string of long options,
* separated by commas or whitespace.
@ -224,6 +244,7 @@ static struct option *add_long_options(struct option *long_options, char *option
}
return long_options;
}
#endif
static void set_shell(const char *new_shell)
{
@ -262,13 +283,13 @@ static const struct option longopts[] = {
int getopt_main(int argc, char *argv[]);
int getopt_main(int argc, char *argv[])
{
struct option *long_options = NULL;
char *optstr = NULL;
char *name = NULL;
unsigned opt;
const char *compatible;
char *s_arg;
#if ENABLE_GETOPT_LONG
struct option *long_options = NULL;
llist_t *l_arg = NULL;
#endif