mirror of
https://github.com/topjohnwu/ndk-busybox.git
synced 2024-12-02 16:56:32 +00:00
83 lines
1.9 KiB
C
83 lines
1.9 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Busybox main internal header file
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*
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* Licensed under GPLv2 or later, see file LICENSE in this source tree.
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*/
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#ifndef BUSYBOX_H
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#define BUSYBOX_H 1
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#include "libbb.h"
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PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
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/* order matters: used as index into "install_dir[]" in appletlib.c */
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typedef enum bb_install_loc_t {
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_BB_DIR_ROOT = 0,
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_BB_DIR_BIN,
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_BB_DIR_SBIN,
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#if ENABLE_INSTALL_NO_USR
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_BB_DIR_USR_BIN = _BB_DIR_BIN,
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_BB_DIR_USR_SBIN = _BB_DIR_SBIN,
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#else
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_BB_DIR_USR_BIN,
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_BB_DIR_USR_SBIN,
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#endif
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} bb_install_loc_t;
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typedef enum bb_suid_t {
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_BB_SUID_DROP = 0,
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_BB_SUID_MAYBE,
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_BB_SUID_REQUIRE
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} bb_suid_t;
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/* Defined in appletlib.c (by including generated applet_tables.h) */
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/* Keep in sync with applets/applet_tables.c! */
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extern const char applet_names[];
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extern int (*const applet_main[])(int argc, char **argv);
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extern const uint16_t applet_nameofs[];
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extern const uint8_t applet_install_loc[];
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#if ENABLE_FEATURE_SUID || ENABLE_FEATURE_PREFER_APPLETS
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# define APPLET_NAME(i) (applet_names + (applet_nameofs[i] & 0x0fff))
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#else
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# define APPLET_NAME(i) (applet_names + applet_nameofs[i])
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#endif
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#if ENABLE_FEATURE_PREFER_APPLETS
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# define APPLET_IS_NOFORK(i) (applet_nameofs[i] & (1 << 12))
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# define APPLET_IS_NOEXEC(i) (applet_nameofs[i] & (1 << 13))
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#else
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# define APPLET_IS_NOFORK(i) 0
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# define APPLET_IS_NOEXEC(i) 0
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#endif
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#if ENABLE_FEATURE_SUID
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# define APPLET_SUID(i) ((applet_nameofs[i] >> 14) & 0x3)
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#endif
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#if ENABLE_FEATURE_INSTALLER
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#define APPLET_INSTALL_LOC(i) ({ \
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unsigned v = (i); \
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if (v & 1) v = applet_install_loc[v/2] >> 4; \
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else v = applet_install_loc[v/2] & 0xf; \
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v; })
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#endif
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/* Length of these names has effect on size of libbusybox
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* and "individual" binaries. Keep them short.
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*/
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#if ENABLE_BUILD_LIBBUSYBOX
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#if ENABLE_FEATURE_SHARED_BUSYBOX
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int lbb_main(char **argv) EXTERNALLY_VISIBLE;
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#else
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int lbb_main(char **argv);
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#endif
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#endif
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POP_SAVED_FUNCTION_VISIBILITY
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#endif
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