X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Fbusybox.h;h=6a003d544497ee6e8376abfd125fba9cd26b6514;hb=2b1559056cf32c42675ecd937796e1455bcb5c2c;hp=1f9f9775f08eb3237f8ff4ea5fb6303d24b44114;hpb=e00fc16aaa0c1adb27bca40a9871b165c3ca3fb7;p=oweals%2Fbusybox.git diff --git a/include/busybox.h b/include/busybox.h index 1f9f9775f..6a003d544 100644 --- a/include/busybox.h +++ b/include/busybox.h @@ -1,75 +1,58 @@ /* vi: set sw=4 ts=4: */ /* - * Busybox main internal header file - * - * Licensed under the GPL v2 or later, see the file LICENSE in this tarball. + * Licensed under GPLv2 or later, see file LICENSE in this source tree. */ -#ifndef _BB_INTERNAL_H_ -#define _BB_INTERNAL_H_ 1 +#ifndef BUSYBOX_H +#define BUSYBOX_H 1 -#include "bb_config.h" - -#include -#include -#include -#include -#include - -extern const char BB_BANNER[]; - -/* Pull in the utility routines from libbb */ #include "libbb.h" +/* BB_DIR_foo and BB_SUID_bar constants: */ +#include "applet_metadata.h" + +PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN + +/* Defined in appletlib.c (by including generated applet_tables.h) */ +/* Keep in sync with applets/applet_tables.c! */ +extern const char applet_names[] ALIGN1; +extern int (*const applet_main[])(int argc, char **argv); +extern const uint8_t applet_flags[] ALIGN1; +extern const uint8_t applet_suid[] ALIGN1; +extern const uint8_t applet_install_loc[] ALIGN1; + +#if ENABLE_FEATURE_PREFER_APPLETS \ + || ENABLE_FEATURE_SH_STANDALONE \ + || ENABLE_FEATURE_SH_NOFORK +# define APPLET_IS_NOFORK(i) (applet_flags[(i)/4] & (1 << (2 * ((i)%4)))) +# define APPLET_IS_NOEXEC(i) (applet_flags[(i)/4] & (1 << ((2 * ((i)%4))+1))) +#else +# define APPLET_IS_NOFORK(i) 0 +# define APPLET_IS_NOEXEC(i) 0 +#endif -enum Location { - _BB_DIR_ROOT = 0, - _BB_DIR_BIN, - _BB_DIR_SBIN, - _BB_DIR_USR_BIN, - _BB_DIR_USR_SBIN -}; - -enum SUIDRoot { - _BB_SUID_NEVER = 0, - _BB_SUID_MAYBE, - _BB_SUID_ALWAYS -}; +#if ENABLE_FEATURE_SUID +# define APPLET_SUID(i) ((applet_suid[(i)/4] >> (2 * ((i)%4)) & 3)) +#endif -struct BB_applet { - const char *name; - int (*main) (int argc, char **argv); - __extension__ enum Location location:4; - __extension__ enum SUIDRoot need_suid:4; -}; +#if ENABLE_FEATURE_INSTALLER +#define APPLET_INSTALL_LOC(i) ({ \ + unsigned v = (i); \ + if (v & 1) v = applet_install_loc[v/2] >> 4; \ + else v = applet_install_loc[v/2] & 0xf; \ + v; }) +#endif -/* From busybox.c */ -extern const struct BB_applet applets[]; -/* Automagically pull in all the applet function prototypes and - * applet usage strings. These are all of the form: - * extern int foo_main(int argc, char **argv); - * extern const char foo_usage[]; - * These are all autogenerated from the set of currently defined applets. +/* Length of these names has effect on size of libbusybox + * and "individual" binaries. Keep them short. */ -#define PROTOTYPES -#include "applets.h" -#undef PROTOTYPES - -#ifndef RB_POWER_OFF -/* Stop system and switch power off if possible. */ -#define RB_POWER_OFF 0x4321fedc +#if ENABLE_BUILD_LIBBUSYBOX +#if ENABLE_FEATURE_SHARED_BUSYBOX +int lbb_main(char **argv) EXTERNALLY_VISIBLE; +#else +int lbb_main(char **argv); #endif - -/* Try to pull in PATH_MAX */ -#include - -/* for PATH_MAX on systems that don't have it in limits.h */ -#include -#ifndef PATH_MAX -#define PATH_MAX 256 #endif -#ifdef DMALLOC -#include -#endif +POP_SAVED_FUNCTION_VISIBILITY -#endif /* _BB_INTERNAL_H_ */ +#endif