diff options
Diffstat (limited to 'include/busybox.h')
-rw-r--r-- | include/busybox.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/include/busybox.h b/include/busybox.h new file mode 100644 index 0000000..314b951 --- /dev/null +++ b/include/busybox.h @@ -0,0 +1,78 @@ +/* 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" + +#if __GNUC_PREREQ(4,1) +# pragma GCC visibility push(hidden) +#endif + +/* 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. + */ +#if ENABLE_BUILD_LIBBUSYBOX +#if ENABLE_FEATURE_SHARED_BUSYBOX +int lbb_main(char **argv) EXTERNALLY_VISIBLE; +#else +int lbb_main(char **argv); +#endif +#endif + +#if __GNUC_PREREQ(4,1) +# pragma GCC visibility pop +#endif + +#endif /* _BB_INTERNAL_H_ */ |