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authorDenis Vlasenko <vda.linux@googlemail.com>2007-04-08 17:30:10 +0000
committerDenis Vlasenko <vda.linux@googlemail.com>2007-04-08 17:30:10 +0000
commit786834bcee178ea6c05aa57869337f03678d02dc (patch)
tree7c9384702688dad91c4ac220517b41c1ecced26c
parent240a1cfbbe6cf42e8013ce06cb567b3f28c8727f (diff)
downloadbusybox-786834bcee178ea6c05aa57869337f03678d02dc.tar.gz
applets.h: de-obfuscate
-rw-r--r--include/applets.h61
1 files changed, 35 insertions, 26 deletions
diff --git a/include/applets.h b/include/applets.h
index 00d3aee1e..0ead89db8 100644
--- a/include/applets.h
+++ b/include/applets.h
@@ -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))