hush/include/busybox.h
Denis Vlasenko 745cd17926 Further optimize applet tables; prettify build output
text    data     bss     dec     hex filename
 775923     929    9100  785952   bfe20 busybox_old
 775565     929    9100  785594   bfcba busybox_unstripped
2007-11-29 03:31:20 +00:00

73 lines
1.8 KiB
C

/* 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.
*/
#ifndef _BB_INTERNAL_H_
#define _BB_INTERNAL_H_ 1
#include "libbb.h"
/* order matters: used as index into "install_dir[]" in appletlib.c */
typedef enum bb_install_loc_t {
_BB_DIR_ROOT = 0,
_BB_DIR_BIN,
_BB_DIR_SBIN,
_BB_DIR_USR_BIN,
_BB_DIR_USR_SBIN
} bb_install_loc_t;
typedef enum bb_suid_t {
_BB_SUID_NEVER = 0,
_BB_SUID_MAYBE,
_BB_SUID_ALWAYS
} bb_suid_t;
/* Defined in appletlib.c (by including generated applet_tables.h) */
/* Keep in sync with applets/applet_tables.c! */
extern const char applet_names[];
extern int (*const applet_main[])(int argc, char **argv);
extern const uint16_t applet_nameofs[];
extern const uint8_t applet_install_loc[];
#if ENABLE_FEATURE_SUID || ENABLE_FEATURE_PREFER_APPLETS
#define APPLET_NAME(i) (applet_names + (applet_nameofs[i] & 0x0fff))
#else
#define APPLET_NAME(i) (applet_names + applet_nameofs[i])
#endif
#if ENABLE_FEATURE_PREFER_APPLETS
#define APPLET_IS_NOFORK(i) (applet_nameofs[i] & (1 << 12))
#define APPLET_IS_NOEXEC(i) (applet_nameofs[i] & (1 << 13))
#endif
#if ENABLE_FEATURE_SUID
#define APPLET_SUID(i) ((applet_nameofs[i] >> 14) & 0x3)
#endif
#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
/* Length of these names has effect on size of libbusybox
* and "individual" binaries. Keep them short.
*/
void lbb_prepare(const char *applet, char **argv) MAIN_EXTERNALLY_VISIBLE;
#if ENABLE_BUILD_LIBBUSYBOX
#if ENABLE_FEATURE_SHARED_BUSYBOX
int lbb_main(int argc, char **argv) EXTERNALLY_VISIBLE;
#else
int lbb_main(int argc, char **argv);
#endif
#endif
#endif /* _BB_INTERNAL_H_ */