blob: b1e31e5ee6350e5d039352f5c0a8ce2470831c1d
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 |
62 |