busybox/include/busybox.h
Michael Tokarev 32f774cd34 *: declare strings with ALIGN1, as appropriate
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2012-07-24 15:56:37 +02:00

62 lines
1.6 KiB
C

/* vi: set sw=4 ts=4: */
/*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
#ifndef BUSYBOX_H
#define BUSYBOX_H 1
#include "libbb.h"
/* BB_DIR_foo and BB_SUID_bar constants: */
#include "applet_metadata.h"
PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
/* Defined in appletlib.c (by including generated applet_tables.h) */
/* Keep in sync with applets/applet_tables.c! */
extern const char applet_names[] ALIGN1;
extern int (*const applet_main[])(int argc, char **argv);
extern const uint16_t applet_nameofs[];
extern const uint8_t applet_install_loc[] ALIGN1;
#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