blob: c54480e2ba3c47855a05d6b542a10debcbb364c2 [file] [log] [blame]
Erik Andersene49d5ec2000-02-08 19:58:47 +00001/* vi: set sw=4 ts=4: */
Eric Andersen2b69c401999-10-05 22:58:32 +00002/*
Eric Andersenc4996011999-10-20 22:08:37 +00003 * Busybox main internal header file
Eric Andersen2b69c401999-10-05 22:58:32 +00004 *
Eric Andersen2b69c401999-10-05 22:58:32 +00005 *
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 */
Erik Andersenfac10d72000-02-07 05:29:42 +000024#ifndef _BB_INTERNAL_H_
25#define _BB_INTERNAL_H_ 1
Eric Andersencc8ed391999-10-05 16:24:54 +000026
27#include "busybox.def.h"
28
29#include <stdlib.h>
Erik Andersen5509af72000-01-23 18:19:02 +000030#include <stdarg.h>
Eric Andersencc8ed391999-10-05 16:24:54 +000031#include <string.h>
32#include <unistd.h>
33#include <sys/stat.h>
Erik Andersene132f4b2000-02-09 04:16:43 +000034//#include <sys/param.h>
Eric Andersen29d2e361999-11-06 06:07:27 +000035#include <mntent.h>
Eric Andersencc8ed391999-10-05 16:24:54 +000036
37
38/* Some useful definitions */
Eric Andersenf811e071999-10-09 00:25:00 +000039#define FALSE ((int) 1)
40#define TRUE ((int) 0)
Eric Andersencc8ed391999-10-05 16:24:54 +000041
Erik Andersenfac10d72000-02-07 05:29:42 +000042/* for mtab.c */
43#define MTAB_GETMOUNTPT '1'
44#define MTAB_GETDEVICE '2'
45
Eric Andersencc8ed391999-10-05 16:24:54 +000046#define BUF_SIZE 8192
47#define EXPAND_ALLOC 1024
48
Erik Andersen298854f2000-03-23 01:09:18 +000049
Eric Andersencc8ed391999-10-05 16:24:54 +000050#define isBlank(ch) (((ch) == ' ') || ((ch) == '\t'))
51#define isDecimal(ch) (((ch) >= '0') && ((ch) <= '9'))
52#define isOctal(ch) (((ch) >= '0') && ((ch) <= '7'))
53#define isWildCard(ch) (((ch) == '*') || ((ch) == '?') || ((ch) == '['))
54
Erik Andersend75af992000-03-16 08:09:09 +000055enum Location {
56 _BB_DIR_ROOT = 0,
57 _BB_DIR_BIN,
58 _BB_DIR_SBIN,
59 _BB_DIR_USR_BIN,
60 _BB_DIR_USR_SBIN
61};
Eric Andersencc8ed391999-10-05 16:24:54 +000062
Eric Andersencc8ed391999-10-05 16:24:54 +000063struct Applet {
64 const char* name;
65 int (*main)(int argc, char** argv);
Erik Andersend75af992000-03-16 08:09:09 +000066 enum Location location;
Eric Andersencc8ed391999-10-05 16:24:54 +000067};
68
Erik Andersene2729152000-02-18 21:34:17 +000069extern int basename_main(int argc, char **argv);
Eric Andersencc8ed391999-10-05 16:24:54 +000070extern int busybox_main(int argc, char** argv);
71extern int block_device_main(int argc, char** argv);
Eric Andersene77ae3a1999-10-19 20:03:34 +000072extern int cat_main(int argc, char** argv);
Erik Andersenfac10d72000-02-07 05:29:42 +000073extern int cp_mv_main(int argc, char** argv);
Eric Andersen1b61f411999-10-13 18:56:42 +000074extern int chmod_chown_chgrp_main(int argc, char** argv);
Eric Andersencc8ed391999-10-05 16:24:54 +000075extern int chroot_main(int argc, char** argv);
Erik Andersen6f23cec1999-12-15 22:14:12 +000076extern int chvt_main(int argc, char** argv);
Eric Andersencc8ed391999-10-05 16:24:54 +000077extern int clear_main(int argc, char** argv);
78extern int date_main(int argc, char** argv);
79extern int dd_main(int argc, char** argv);
Erik Andersenfb002d02000-03-05 08:07:00 +000080extern int dirname_main(int argc, char** argv);
Erik Andersen6f23cec1999-12-15 22:14:12 +000081extern int deallocvt_main(int argc, char** argv);
Eric Andersencc8ed391999-10-05 16:24:54 +000082extern int df_main(int argc, char** argv);
83extern int dmesg_main(int argc, char** argv);
John Beppu7a986061999-12-09 18:29:29 +000084extern int du_main(int argc, char** argv);
Eric Andersene77ae3a1999-10-19 20:03:34 +000085extern int dutmp_main(int argc, char** argv);
Erik Andersend75af992000-03-16 08:09:09 +000086extern int echo_main(int argc, char** argv);
Eric Andersencc8ed391999-10-05 16:24:54 +000087extern int false_main(int argc, char** argv);
Erik Andersen1c5b2581999-12-16 20:59:36 +000088extern int fbset_main(int argc, char** argv);
Eric Andersencc8ed391999-10-05 16:24:54 +000089extern int fdisk_main(int argc, char** argv);
Eric Andersenf6be9441999-10-13 21:12:06 +000090extern int fdflush_main(int argc, char **argv);
Eric Andersene494fdd1999-10-19 20:23:03 +000091extern int fsck_minix_main(int argc, char **argv);
Eric Andersencc8ed391999-10-05 16:24:54 +000092extern int find_main(int argc, char** argv);
Eric Andersenabc0f4f1999-12-08 23:19:36 +000093extern int free_main(int argc, char** argv);
Erik Andersen64371702000-03-04 22:23:27 +000094extern int freeramdisk_main(int argc, char** argv);
Eric Andersencc8ed391999-10-05 16:24:54 +000095extern int grep_main(int argc, char** argv);
Erik Andersen31638212000-01-15 22:28:50 +000096extern int gunzip_main (int argc, char** argv);
97extern int gzip_main(int argc, char** argv);
Eric Andersencc8ed391999-10-05 16:24:54 +000098extern int halt_main(int argc, char** argv);
John Beppu3157b1f1999-12-10 07:42:50 +000099extern int head_main(int argc, char** argv);
Erik Andersen31638212000-01-15 22:28:50 +0000100extern int hostid_main(int argc, char** argv);
Eric Andersen485b9551999-12-07 23:14:59 +0000101extern int hostname_main(int argc, char** argv);
Eric Andersencc8ed391999-10-05 16:24:54 +0000102extern int init_main(int argc, char** argv);
Erik Andersen6da0ae81999-12-17 01:08:27 +0000103extern int insmod_main(int argc, char** argv);
Eric Andersencc8ed391999-10-05 16:24:54 +0000104extern int kill_main(int argc, char** argv);
105extern int length_main(int argc, char** argv);
106extern int ln_main(int argc, char** argv);
Erik Andersen31638212000-01-15 22:28:50 +0000107extern int loadacm_main(int argc, char** argv);
Eric Andersen3e0fbae1999-10-19 06:02:44 +0000108extern int loadfont_main(int argc, char** argv);
Eric Andersencc8ed391999-10-05 16:24:54 +0000109extern int loadkmap_main(int argc, char** argv);
110extern int losetup_main(int argc, char** argv);
Erik Andersen31638212000-01-15 22:28:50 +0000111extern int logger_main(int argc, char **argv);
112extern int logname_main(int argc, char **argv);
Eric Andersencc8ed391999-10-05 16:24:54 +0000113extern int ls_main(int argc, char** argv);
Erik Andersen6f23cec1999-12-15 22:14:12 +0000114extern int lsmod_main(int argc, char** argv);
Eric Andersencc8ed391999-10-05 16:24:54 +0000115extern int makedevs_main(int argc, char** argv);
116extern int math_main(int argc, char** argv);
Eric Andersenf6be9441999-10-13 21:12:06 +0000117extern int mkdir_main(int argc, char** argv);
Eric Andersen19db07b1999-12-11 08:41:28 +0000118extern int mkfifo_main(int argc, char **argv);
119extern int mkfs_minix_main(int argc, char **argv);
Eric Andersencc8ed391999-10-05 16:24:54 +0000120extern int mknod_main(int argc, char** argv);
121extern int mkswap_main(int argc, char** argv);
122extern int mnc_main(int argc, char** argv);
Erik Andersen31638212000-01-15 22:28:50 +0000123extern int more_main(int argc, char** argv);
Eric Andersencc8ed391999-10-05 16:24:54 +0000124extern int mount_main(int argc, char** argv);
125extern int mt_main(int argc, char** argv);
Erik Andersenfac10d72000-02-07 05:29:42 +0000126extern int nslookup_main(int argc, char **argv);
Eric Andersen485b9551999-12-07 23:14:59 +0000127extern int ping_main(int argc, char **argv);
Eric Andersen2cb55071999-12-10 08:25:07 +0000128extern int poweroff_main(int argc, char **argv);
Eric Andersencc8ed391999-10-05 16:24:54 +0000129extern int printf_main(int argc, char** argv);
Eric Andersenef8b6c71999-10-20 08:05:35 +0000130extern int ps_main(int argc, char** argv);
Eric Andersencc8ed391999-10-05 16:24:54 +0000131extern int pwd_main(int argc, char** argv);
132extern int reboot_main(int argc, char** argv);
133extern int rm_main(int argc, char** argv);
Erik Andersen3d7e3411999-12-16 23:04:20 +0000134extern int rmdir_main(int argc, char **argv);
135extern int rmmod_main(int argc, char** argv);
Eric Andersenc1525e81999-10-29 00:07:31 +0000136extern int sed_main(int argc, char** argv);
Erik Andersen31638212000-01-15 22:28:50 +0000137extern int sfdisk_main(int argc, char** argv);
Erik Andersen3522eb12000-03-12 23:49:18 +0000138extern int shell_main(int argc, char** argv);
Eric Andersencc8ed391999-10-05 16:24:54 +0000139extern int sleep_main(int argc, char** argv);
John Beppu019513a1999-12-22 17:57:31 +0000140extern int sort_main(int argc, char** argv);
Eric Andersen87590061999-10-18 21:22:59 +0000141extern int swap_on_off_main(int argc, char** argv);
Eric Andersene77ae3a1999-10-19 20:03:34 +0000142extern int sync_main(int argc, char** argv);
Eric Andersen3843e961999-11-25 07:30:46 +0000143extern int syslogd_main(int argc, char **argv);
Eric Andersenabc0f4f1999-12-08 23:19:36 +0000144extern int tail_main(int argc, char** argv);
Erik Andersen31638212000-01-15 22:28:50 +0000145extern int tar_main(int argc, char** argv);
John Beppu059f1521999-12-10 05:27:16 +0000146extern int tee_main(int argc, char** argv);
Erik Andersend75af992000-03-16 08:09:09 +0000147extern int test_main(int argc, char** argv);
Erik Andersenf7c49ef2000-02-22 17:17:45 +0000148extern int telnet_main(int argc, char** argv);
Eric Andersen596e5461999-10-07 08:30:23 +0000149extern int touch_main(int argc, char** argv);
Erik Andersenfb002d02000-03-05 08:07:00 +0000150extern int tr_main(int argc, char** argv);
Eric Andersencc8ed391999-10-05 16:24:54 +0000151extern int true_main(int argc, char** argv);
Erik Andersen31638212000-01-15 22:28:50 +0000152extern int tput_main(int argc, char** argv);
Eric Andersencc8ed391999-10-05 16:24:54 +0000153extern int tryopen_main(int argc, char** argv);
Erik Andersen31638212000-01-15 22:28:50 +0000154extern int tty_main(int argc, char** argv);
Eric Andersencc8ed391999-10-05 16:24:54 +0000155extern int umount_main(int argc, char** argv);
Erik Andersen31638212000-01-15 22:28:50 +0000156extern int uname_main(int argc, char** argv);
Erik Andersen66be5e72000-03-05 07:52:05 +0000157extern int uptime_main(int argc, char** argv);
John Beppuabb47722000-01-06 00:48:21 +0000158extern int uniq_main(int argc, char** argv);
Eric Andersencc8ed391999-10-05 16:24:54 +0000159extern int update_main(int argc, char** argv);
Erik Andersen31638212000-01-15 22:28:50 +0000160extern int wc_main(int argc, char** argv);
161extern int whoami_main(int argc, char** argv);
162extern int yes_main(int argc, char** argv);
Eric Andersencc8ed391999-10-05 16:24:54 +0000163
Eric Andersen2b69c401999-10-05 22:58:32 +0000164
Erik Andersen9ffdaa62000-02-11 21:55:04 +0000165extern void usage(const char *usage) __attribute__ ((noreturn));
Erik Andersen1ad302a2000-03-24 00:54:46 +0000166extern void errorMsg(const char *s, ...);
167extern void fatalError(const char *s, ...) __attribute__ ((noreturn));
Erik Andersen9ffdaa62000-02-11 21:55:04 +0000168
Eric Andersen2b69c401999-10-05 22:58:32 +0000169const char *modeString(int mode);
170const char *timeString(time_t timeVal);
Erik Andersen9ffdaa62000-02-11 21:55:04 +0000171int isDirectory(const char *name, const int followLinks, struct stat *statBuf);
Eric Andersenf811e071999-10-09 00:25:00 +0000172int isDevice(const char *name);
Erik Andersen029011b2000-03-04 21:19:32 +0000173
174typedef struct ino_dev_hash_bucket_struct {
175 struct ino_dev_hash_bucket_struct *next;
176 ino_t ino;
177 dev_t dev;
178 char name[1];
179} ino_dev_hashtable_bucket_t;
180int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name);
181void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
182void reset_ino_dev_hashtable(void);
183
Eric Andersenf811e071999-10-09 00:25:00 +0000184int copyFile(const char *srcName, const char *destName, int setModes,
185 int followLinks);
186char *buildName(const char *dirName, const char *fileName);
187int makeString(int argc, const char **argv, char *buf, int bufLen);
Eric Andersen2b69c401999-10-05 22:58:32 +0000188char *getChunk(int size);
189char *chunkstrdup(const char *str);
190void freeChunks(void);
191int fullWrite(int fd, const char *buf, int len);
192int fullRead(int fd, char *buf, int len);
Eric Andersen63a0e531999-10-22 05:12:14 +0000193int recursiveAction(const char *fileName, int recurse, int followLinks, int depthFirst,
Eric Andersen9b587181999-10-17 05:43:39 +0000194 int (*fileAction) (const char *fileName, struct stat* statbuf),
195 int (*dirAction) (const char *fileName, struct stat* statbuf));
Eric Andersen17d49ef1999-10-06 20:25:32 +0000196const char* timeString(time_t timeVal);
Eric Andersencc8ed391999-10-05 16:24:54 +0000197
Erik Andersen06936df2000-01-23 02:14:20 +0000198extern int createPath (const char *name, int mode);
Eric Andersenf6be9441999-10-13 21:12:06 +0000199extern int parse_mode( const char* s, mode_t* theMode);
Eric Andersenb0e9a701999-10-18 22:28:26 +0000200
Erik Andersen1ad302a2000-03-24 00:54:46 +0000201extern int get_kernel_revision(void);
Eric Andersend23f9ba1999-10-20 19:18:15 +0000202extern uid_t my_getpwnam(char *name);
203extern gid_t my_getgrnam(char *name);
204extern void my_getpwuid(char* name, uid_t uid);
205extern void my_getgrgid(char* group, gid_t gid);
Eric Andersen0460ff21999-10-25 23:32:44 +0000206extern int get_console_fd(char* tty_name);
Eric Andersen29d2e361999-11-06 06:07:27 +0000207extern struct mntent *findMountPoint(const char *name, const char *table);
Eric Andersend0246fb1999-11-04 21:18:07 +0000208extern void write_mtab(char* blockDevice, char* directory,
209 char* filesystemType, long flags, char* string_flags);
210extern void erase_mtab(const char * name);
Erik Andersenfac10d72000-02-07 05:29:42 +0000211extern void mtab_read(void);
Erik Andersenfac10d72000-02-07 05:29:42 +0000212extern char *mtab_first(void **iter);
213extern char *mtab_next(void **iter);
214extern char *mtab_getinfo(const char *match, const char which);
Eric Andersenb186d981999-12-03 09:19:54 +0000215extern int check_wildcard_match(const char* text, const char* pattern);
Eric Andersen1792f8c1999-12-09 06:11:36 +0000216extern long getNum (const char *cp);
Erik Andersen246cc6d2000-03-07 07:41:42 +0000217extern pid_t findPidByName( char* pidName);
Erik Andersen9ffdaa62000-02-11 21:55:04 +0000218extern void *xmalloc (size_t size);
Erik Andersenec5bd902000-03-22 07:12:05 +0000219extern int find_real_root_device_name(char* name);
220
Erik Andersenc7c634b2000-03-19 05:28:55 +0000221#ifdef BB_FEATURE_SH_COMMAND_EDITING
222#include <stdio.h>
223extern int cmdedit_read_input(char* prompt, int inputFd, int outputFd, char command[BUFSIZ]);
224extern void cmdedit_init(void);
225#endif
226
Erik Andersen31cf8e02000-02-07 20:31:19 +0000227#if defined BB_INIT || defined BB_SYSLOGD
Erik Andersend0480c22000-02-07 20:35:14 +0000228extern int device_open(char *device, int mode);
Erik Andersen31cf8e02000-02-07 20:31:19 +0000229#endif
Erik Andersene132f4b2000-02-09 04:16:43 +0000230extern void whine_if_fstab_is_missing();
Eric Andersend0246fb1999-11-04 21:18:07 +0000231
Erik Andersen5cbdd712000-01-26 20:06:48 +0000232#if defined BB_FEATURE_MOUNT_LOOP
233extern int del_loop(const char *device);
Erik Andersende7965c2000-01-26 23:49:21 +0000234extern int set_loop(const char *device, const char *file, int offset, int *loopro);
235extern char *find_unused_loop_device (void);
Erik Andersen5cbdd712000-01-26 20:06:48 +0000236#endif
237
Erik Andersen3fe39dc2000-01-25 18:13:53 +0000238
Erik Andersen5509af72000-01-23 18:19:02 +0000239#if (__GLIBC__ < 2) && (defined BB_SYSLOGD || defined BB_INIT)
Erik Andersen7dc16072000-01-04 01:10:25 +0000240extern int vdprintf(int d, const char *format, va_list ap);
241#endif
Eric Andersene674eb71999-10-19 20:52:57 +0000242
Eric Andersena9c95ea1999-11-15 17:33:30 +0000243#if defined BB_NFSMOUNT
244int nfsmount(const char *spec, const char *node, unsigned long *flags,
245 char **extra_opts, char **mount_opts, int running_bg);
246#endif
Eric Andersen29d2e361999-11-06 06:07:27 +0000247
Eric Andersene674eb71999-10-19 20:52:57 +0000248#if defined (BB_FSCK_MINIX) || defined (BB_MKFS_MINIX)
249
250static inline int bit(char * addr,unsigned int nr)
251{
252 return (addr[nr >> 3] & (1<<(nr & 7))) != 0;
253}
254
255static inline int setbit(char * addr,unsigned int nr)
256{
257 int __res = bit(addr, nr);
258 addr[nr >> 3] |= (1<<(nr & 7));
Erik Andersene49d5ec2000-02-08 19:58:47 +0000259 return __res != 0;
Eric Andersene674eb71999-10-19 20:52:57 +0000260}
261
262static inline int clrbit(char * addr,unsigned int nr)
263{
264 int __res = bit(addr, nr);
265 addr[nr >> 3] &= ~(1<<(nr & 7));
266 return __res != 0;
267}
268
Eric Andersenaa0765e1999-10-22 04:30:20 +0000269#endif /* inline bitops junk */
Eric Andersene674eb71999-10-19 20:52:57 +0000270
271
Erik Andersen31638212000-01-15 22:28:50 +0000272#ifndef RB_POWER_OFF
273/* Stop system and switch power off if possable. */
274#define RB_POWER_OFF 0x4321fedc
275#endif
276
Eric Andersenaa0765e1999-10-22 04:30:20 +0000277
Erik Andersenfac10d72000-02-07 05:29:42 +0000278#endif /* _BB_INTERNAL_H_ */