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-rw-r--r--busybox/include/busybox.h121
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1/* vi: set sw=4 ts=4: */
2/*
3 * Busybox main internal header file
4 *
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
21 * Permission has been granted to redistribute this code under the GPL.
22 *
23 */
24#ifndef _BB_INTERNAL_H_
25#define _BB_INTERNAL_H_ 1
26
27#include "config.h"
28
29#include <stdio.h>
30#include <stdlib.h>
31#include <stdarg.h>
32#include <sys/stat.h>
33#include <sys/types.h>
34
35#if __GNU_LIBRARY__ < 5
36#ifndef __dietlibc__
37#error "Sorry, libc5 is not supported"
38#endif
39#endif
40
41#ifndef BB_EXTRA_VERSION
42#define BB_BANNER "BusyBox v" BB_VER " (" BB_BT ")"
43#else
44#define BB_BANNER "BusyBox v" BB_VER " (" BB_EXTRA_VERSION ")"
45#endif
46
47#ifdef DMALLOC
48#include <dmalloc.h>
49#endif
50
51#include <features.h>
52
53/* Pull in the utility routines from libbb */
54#include "libbb.h"
55
56enum Location {
57 _BB_DIR_ROOT = 0,
58 _BB_DIR_BIN,
59 _BB_DIR_SBIN,
60 _BB_DIR_USR_BIN,
61 _BB_DIR_USR_SBIN
62};
63
64enum SUIDRoot {
65 _BB_SUID_NEVER = 0,
66 _BB_SUID_MAYBE,
67 _BB_SUID_ALWAYS
68};
69
70struct BB_applet {
71 const char *name;
72 int (*main) (int argc, char **argv);
73 enum Location location:4;
74 enum SUIDRoot need_suid:4;
75};
76
77/* From busybox.c */
78extern const struct BB_applet applets[];
79
80/* Automagically pull in all the applet function prototypes and
81 * applet usage strings. These are all of the form:
82 * extern int foo_main(int argc, char **argv);
83 * extern const char foo_usage[];
84 * These are all autogenerated from the set of currently defined applets.
85 */
86#define PROTOTYPES
87#include "applets.h"
88#undef PROTOTYPES
89
90#ifdef CONFIG_FEATURE_BUFFERS_GO_ON_STACK
91#define RESERVE_CONFIG_BUFFER(buffer,len) char buffer[len]
92#define RESERVE_CONFIG_UBUFFER(buffer,len) unsigned char buffer[len]
93#define RELEASE_CONFIG_BUFFER(buffer) ((void)0)
94#else
95#ifdef CONFIG_FEATURE_BUFFERS_GO_IN_BSS
96#define RESERVE_CONFIG_BUFFER(buffer,len) static char buffer[len]
97#define RESERVE_CONFIG_UBUFFER(buffer,len) static unsigned char buffer[len]
98#define RELEASE_CONFIG_BUFFER(buffer) ((void)0)
99#else
100#define RESERVE_CONFIG_BUFFER(buffer,len) char *buffer=xmalloc(len)
101#define RESERVE_CONFIG_UBUFFER(buffer,len) unsigned char *buffer=xmalloc(len)
102#define RELEASE_CONFIG_BUFFER(buffer) free (buffer)
103#endif
104#endif
105
106
107#ifndef RB_POWER_OFF
108/* Stop system and switch power off if possible. */
109#define RB_POWER_OFF 0x4321fedc
110#endif
111
112/* Try to pull in PATH_MAX */
113#include <limits.h>
114
115/* for PATH_MAX on systems that don't have it in limits.h */
116#include <sys/param.h>
117#ifndef PATH_MAX
118#define PATH_MAX 256
119#endif
120
121#endif /* _BB_INTERNAL_H_ */