| /* vi: set sw=4 ts=4: */ |
| /* |
| * Busybox main internal header file |
| * |
| * Licensed under GPLv2 or later, see file LICENSE in this source tree. |
| */ |
| #ifndef BUSYBOX_H |
| #define BUSYBOX_H 1 |
| |
| #include "libbb.h" |
| |
| PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN |
| |
| /* 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_DROP = 0, |
| _BB_SUID_MAYBE, |
| _BB_SUID_REQUIRE |
| } 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)) |
| #else |
| # define APPLET_IS_NOFORK(i) 0 |
| # define APPLET_IS_NOEXEC(i) 0 |
| #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 |
| |
| POP_SAVED_FUNCTION_VISIBILITY |
| |
| #endif |