lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 1 | /* vi: set sw=4 ts=4: */ |
| 2 | /* |
| 3 | * Licensed under GPLv2 or later, see file LICENSE in this source tree. |
| 4 | */ |
| 5 | #ifndef BUSYBOX_H |
| 6 | #define BUSYBOX_H 1 |
| 7 | |
| 8 | #include "libbb.h" |
| 9 | /* BB_DIR_foo and BB_SUID_bar constants: */ |
| 10 | #include "applet_metadata.h" |
| 11 | |
| 12 | PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN |
| 13 | |
| 14 | /* Defined in appletlib.c (by including generated applet_tables.h) */ |
| 15 | /* Keep in sync with applets/applet_tables.c! */ |
| 16 | extern const char applet_names[] ALIGN1; |
| 17 | extern int (*const applet_main[])(int argc, char **argv); |
| 18 | extern const uint16_t applet_nameofs[]; |
| 19 | extern const uint8_t applet_install_loc[] ALIGN1; |
| 20 | |
| 21 | #if ENABLE_FEATURE_SUID || ENABLE_FEATURE_PREFER_APPLETS |
| 22 | # define APPLET_NAME(i) (applet_names + (applet_nameofs[i] & 0x0fff)) |
| 23 | #else |
| 24 | # define APPLET_NAME(i) (applet_names + applet_nameofs[i]) |
| 25 | #endif |
| 26 | |
| 27 | #if ENABLE_FEATURE_PREFER_APPLETS |
| 28 | # define APPLET_IS_NOFORK(i) (applet_nameofs[i] & (1 << 12)) |
| 29 | # define APPLET_IS_NOEXEC(i) (applet_nameofs[i] & (1 << 13)) |
| 30 | #else |
| 31 | # define APPLET_IS_NOFORK(i) 0 |
| 32 | # define APPLET_IS_NOEXEC(i) 0 |
| 33 | #endif |
| 34 | |
| 35 | #if ENABLE_FEATURE_SUID |
| 36 | # define APPLET_SUID(i) ((applet_nameofs[i] >> 14) & 0x3) |
| 37 | #endif |
| 38 | |
| 39 | #if ENABLE_FEATURE_INSTALLER |
| 40 | #define APPLET_INSTALL_LOC(i) ({ \ |
| 41 | unsigned v = (i); \ |
| 42 | if (v & 1) v = applet_install_loc[v/2] >> 4; \ |
| 43 | else v = applet_install_loc[v/2] & 0xf; \ |
| 44 | v; }) |
| 45 | #endif |
| 46 | |
| 47 | |
| 48 | /* Length of these names has effect on size of libbusybox |
| 49 | * and "individual" binaries. Keep them short. |
| 50 | */ |
| 51 | #if ENABLE_BUILD_LIBBUSYBOX |
| 52 | #if ENABLE_FEATURE_SHARED_BUSYBOX |
| 53 | int lbb_main(char **argv) EXTERNALLY_VISIBLE; |
| 54 | #else |
| 55 | int lbb_main(char **argv); |
| 56 | #endif |
| 57 | #endif |
| 58 | |
| 59 | POP_SAVED_FUNCTION_VISIBILITY |
| 60 | |
| 61 | #endif |