X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Fbusybox.h;h=6a003d544497ee6e8376abfd125fba9cd26b6514;hb=2b1559056cf32c42675ecd937796e1455bcb5c2c;hp=f16be706dd1d4c146ea07e900303cbdfe24a7f2b;hpb=843c5ef0f95e0a6f61f4e27d0355aca5e09ee6b1;p=oweals%2Fbusybox.git diff --git a/include/busybox.h b/include/busybox.h index f16be706d..6a003d544 100644 --- a/include/busybox.h +++ b/include/busybox.h @@ -1,121 +1,58 @@ /* vi: set sw=4 ts=4: */ /* - * Busybox main internal header file - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * Based in part on code from sash, Copyright (c) 1999 by David I. Bell - * Permission has been granted to redistribute this code under the GPL. - * + * Licensed under GPLv2 or later, see file LICENSE in this source tree. */ -#ifndef _BB_INTERNAL_H_ -#define _BB_INTERNAL_H_ 1 +#ifndef BUSYBOX_H +#define BUSYBOX_H 1 -#include "bb_config.h" - -#include -#include -#include -#include -#include - -#if __GNU_LIBRARY__ < 5 && \ - !defined(__dietlibc__) && \ - !defined(_NEWLIB_VERSION) -#error "Sorry, this libc version is not supported :(" -#endif - -#ifndef BB_EXTRA_VERSION -#define BB_BANNER "BusyBox v" BB_VER " (" BB_BT ")" +#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 uint8_t applet_flags[] ALIGN1; +extern const uint8_t applet_suid[] ALIGN1; +extern const uint8_t applet_install_loc[] ALIGN1; + +#if ENABLE_FEATURE_PREFER_APPLETS \ + || ENABLE_FEATURE_SH_STANDALONE \ + || ENABLE_FEATURE_SH_NOFORK +# define APPLET_IS_NOFORK(i) (applet_flags[(i)/4] & (1 << (2 * ((i)%4)))) +# define APPLET_IS_NOEXEC(i) (applet_flags[(i)/4] & (1 << ((2 * ((i)%4))+1))) #else -#define BB_BANNER "BusyBox v" BB_VER " (" BB_EXTRA_VERSION ")" +# define APPLET_IS_NOFORK(i) 0 +# define APPLET_IS_NOEXEC(i) 0 #endif -#include - -/* Pull in the utility routines from libbb */ -#include "libbb.h" - -enum Location { - _BB_DIR_ROOT = 0, - _BB_DIR_BIN, - _BB_DIR_SBIN, - _BB_DIR_USR_BIN, - _BB_DIR_USR_SBIN -}; - -enum SUIDRoot { - _BB_SUID_NEVER = 0, - _BB_SUID_MAYBE, - _BB_SUID_ALWAYS -}; +#if ENABLE_FEATURE_SUID +# define APPLET_SUID(i) ((applet_suid[(i)/4] >> (2 * ((i)%4)) & 3)) +#endif -struct BB_applet { - const char *name; - int (*main) (int argc, char **argv); - enum Location location:4; - enum SUIDRoot need_suid:4; -}; +#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 -/* From busybox.c */ -extern const struct BB_applet applets[]; -/* Automagically pull in all the applet function prototypes and - * applet usage strings. These are all of the form: - * extern int foo_main(int argc, char **argv); - * extern const char foo_usage[]; - * These are all autogenerated from the set of currently defined applets. +/* Length of these names has effect on size of libbusybox + * and "individual" binaries. Keep them short. */ -#define PROTOTYPES -#include "applets.h" -#undef PROTOTYPES - -#ifdef CONFIG_FEATURE_BUFFERS_GO_ON_STACK -#define RESERVE_CONFIG_BUFFER(buffer,len) char buffer[len] -#define RESERVE_CONFIG_UBUFFER(buffer,len) unsigned char buffer[len] -#define RELEASE_CONFIG_BUFFER(buffer) ((void)0) -#else -#ifdef CONFIG_FEATURE_BUFFERS_GO_IN_BSS -#define RESERVE_CONFIG_BUFFER(buffer,len) static char buffer[len] -#define RESERVE_CONFIG_UBUFFER(buffer,len) static unsigned char buffer[len] -#define RELEASE_CONFIG_BUFFER(buffer) ((void)0) +#if ENABLE_BUILD_LIBBUSYBOX +#if ENABLE_FEATURE_SHARED_BUSYBOX +int lbb_main(char **argv) EXTERNALLY_VISIBLE; #else -#define RESERVE_CONFIG_BUFFER(buffer,len) char *buffer=xmalloc(len) -#define RESERVE_CONFIG_UBUFFER(buffer,len) unsigned char *buffer=xmalloc(len) -#define RELEASE_CONFIG_BUFFER(buffer) free (buffer) +int lbb_main(char **argv); #endif #endif +POP_SAVED_FUNCTION_VISIBILITY -#ifndef RB_POWER_OFF -/* Stop system and switch power off if possible. */ -#define RB_POWER_OFF 0x4321fedc #endif - -/* Try to pull in PATH_MAX */ -#include - -/* for PATH_MAX on systems that don't have it in limits.h */ -#include -#ifndef PATH_MAX -#define PATH_MAX 256 -#endif - -#ifdef DMALLOC -#include -#endif - -#endif /* _BB_INTERNAL_H_ */