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applets.h: de-obfuscate

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This commit is contained in:
Denis Vlasenko 2007-04-08 17:30:10 +00:00
parent 240a1cfbbe
commit 786834bcee
1 changed files with 35 additions and 26 deletions
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61
include/applets.h
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@ -15,41 +15,50 @@
#undef APPLET_ODDNAME
#undef APPLET_NOUSAGE
/*
name - applet name as it is typed on command line
name2 - applet name, converted to C (ether-wake: name2 = ether_wake)
main - <applet>_main part (e.g. for bzcat: main = bunzip2)
l - location ([/usr]/[s]bin)
s - suid type:
_BB_SUID_ALWAYS: will complain if busybox isn't suid
and is run by non-root (applet_main() will not be called at all)
_BB_SUID_NEVER: will drop suid prior to applet_main()
_BB_SUID_MAYBE: neither of the above
*/
#if defined(PROTOTYPES)
# define APPLET(a,b,c) extern int a##_main(int argc, char **argv);
# define APPLET_NOUSAGE(a,b,c,d) extern int b##_main(int argc, char **argv);
# define APPLET_ODDNAME(a,b,c,d,e) extern int b##_main(int argc, char **argv);
#elif defined(MAKE_USAGE)
# ifdef CONFIG_FEATURE_VERBOSE_USAGE
# define APPLET(a,b,c) a##_trivial_usage "\n\n" a##_full_usage "\0"
# define APPLET_NOUSAGE(a,b,c,d) "\b\0"
# define APPLET_ODDNAME(a,b,c,d,e) e##_trivial_usage "\n\n" e##_full_usage "\0"
# else
# define APPLET(a,b,c) a##_trivial_usage "\0"
# define APPLET_NOUSAGE(a,b,c,d) "\b\0"
# define APPLET_ODDNAME(a,b,c,d,e) e##_trivial_usage "\0"
# endif
# define APPLET(name,l,s) int name##_main(int argc, char **argv);
# define APPLET_NOUSAGE(name,main,l,s) int main##_main(int argc, char **argv);
# define APPLET_ODDNAME(name,main,l,s,name2) int main##_main(int argc, char **argv);
#elif defined(MAKE_USAGE) && ENABLE_FEATURE_VERBOSE_USAGE
# define APPLET(name,l,s) name##_trivial_usage "\n\n" name##_full_usage "\0"
# define APPLET_NOUSAGE(name,main,l,s) "\b\0"
# define APPLET_ODDNAME(name,main,l,s,name2) name2##_trivial_usage "\n\n" name2##_full_usage "\0"
#elif defined(MAKE_USAGE) && !ENABLE_FEATURE_VERBOSE_USAGE
# define APPLET(name,l,s) name##_trivial_usage "\0"
# define APPLET_NOUSAGE(name,main,l,s) "\b\0"
# define APPLET_ODDNAME(name,main,l,s,name2) name2##_trivial_usage "\0"
#elif defined(MAKE_LINKS)
# define APPLET(a,b,c) LINK b a
# define APPLET_NOUSAGE(a,b,c,d) LINK c a
# define APPLET_ODDNAME(a,b,c,d,e) LINK c a
# define APPLET(name,l,c) LINK l name
# define APPLET_NOUSAGE(name,main,l,s) LINK l name
# define APPLET_ODDNAME(name,main,l,s,name2) LINK l name
#else
const struct BB_applet applets[] = {
# define APPLET(a,b,c) {#a,a##_main,b,c},
# define APPLET_NOUSAGE(a,b,c,d) {#a,b##_main,c,d},
# define APPLET_ODDNAME(a,b,c,d,e) {#a,b##_main,c,d},
const struct BB_applet applets[] = { /* name,main,location,need_suid */
# define APPLET(name,l,s) {#name,name##_main,l,s},
# define APPLET_NOUSAGE(name,main,l,s) {#name,main##_main,l,s},
# define APPLET_ODDNAME(name,main,l,s,name2) {#name,main##_main,l,s},
#endif
#ifdef CONFIG_INSTALL_NO_USR
#if ENABLE_INSTALL_NO_USR
# define _BB_DIR_USR_BIN _BB_DIR_BIN
# define _BB_DIR_USR_SBIN _BB_DIR_SBIN
#endif
// _BB_SUID_ALWAYS: will complain if busybox isn't suid
// and is run by non-root (applet_main() will not be called at all)
// _BB_SUID_NEVER: will drop suid prior to applet_main()
// _BB_SUID_MAYBE: neither of the above
USE_TEST(APPLET_NOUSAGE([, test, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
USE_TEST(APPLET_NOUSAGE([[, test, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
USE_ADDGROUP(APPLET(addgroup, _BB_DIR_BIN, _BB_SUID_NEVER))