LXR busybox/include/busybox.h

   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
  12PUSH_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! */
  16extern const char applet_names[] ALIGN1;
  17extern int (*const applet_main[])(int argc, char **argv);
  18extern const uint8_t applet_flags[] ALIGN1;
  19extern const uint8_t applet_suid[] ALIGN1;
  20extern const uint8_t applet_install_loc[] ALIGN1;
  21
  22#if ENABLE_FEATURE_PREFER_APPLETS \
  23 || ENABLE_FEATURE_SH_STANDALONE \
  24 || ENABLE_FEATURE_SH_NOFORK
  25# define APPLET_IS_NOFORK(i) (applet_flags[(i)/4] & (1 << (2 * ((i)%4))))
  26# define APPLET_IS_NOEXEC(i) (applet_flags[(i)/4] & (1 << ((2 * ((i)%4))+1)))
  27#else
  28# define APPLET_IS_NOFORK(i) 0
  29# define APPLET_IS_NOEXEC(i) 0
  30#endif
  31
  32#if ENABLE_FEATURE_SUID
  33# define APPLET_SUID(i) ((applet_suid[(i)/4] >> (2 * ((i)%4)) & 3))
  34#endif
  35
  36#if ENABLE_FEATURE_INSTALLER
  37#define APPLET_INSTALL_LOC(i) ({ \
  38        unsigned v = (i); \
  39        if (v & 1) v = applet_install_loc[v/2] >> 4; \
  40        else v = applet_install_loc[v/2] & 0xf; \
  41        v; })
  42#endif
  43
  44
  45/* Length of these names has effect on size of libbusybox
  46 * and "individual" binaries. Keep them short.
  47 */
  48#if ENABLE_BUILD_LIBBUSYBOX
  49#if ENABLE_FEATURE_SHARED_BUSYBOX
  50int lbb_main(char **argv) EXTERNALLY_VISIBLE;
  51#else
  52int lbb_main(char **argv);
  53#endif
  54#endif
  55
  56POP_SAVED_FUNCTION_VISIBILITY
  57
  58#endif
  59