1 /* vi: set sw=4 ts=4: */
3 * Busybox main internal header file
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.
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.
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
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.
24 #ifndef _BB_INTERNAL_H_
25 #define _BB_INTERNAL_H_ 1
27 #include "busybox.def.h"
35 #include <sys/param.h>
39 /* Some useful definitions */
40 #define FALSE ((int) 1)
41 #define TRUE ((int) 0)
44 #define MTAB_GETMOUNTPT '1'
45 #define MTAB_GETDEVICE '2'
48 #define EXPAND_ALLOC 1024
51 #define isBlank(ch) (((ch) == ' ') || ((ch) == '\t'))
52 #define isDecimal(ch) (((ch) >= '0') && ((ch) <= '9'))
53 #define isOctal(ch) (((ch) >= '0') && ((ch) <= '7'))
54 #define isWildCard(ch) (((ch) == '*') || ((ch) == '?') || ((ch) == '['))
56 /* Macros for min/max. */
58 #define MIN(a,b) (((a)<(b))?(a):(b))
62 #define MAX(a,b) (((a)>(b))?(a):(b))
66 /* I don't like nested includes, but the string and io functions are used
70 #if !defined(NO_STRING_H) || defined(STDC_HEADERS)
72 # if !defined(STDC_HEADERS) && !defined(NO_MEMORY_H) && !defined(__GNUC__)
75 # define memzero(s, n) memset ((void *)(s), 0, (n))
79 # define strrchr rindex
80 # define memcpy(d, s, n) bcopy((s), (d), (n))
81 # define memcmp(s1, s2, n) bcmp((s1), (s2), (n))
82 # define memzero(s, n) bzero((s), (n))
96 int (*main)(int argc, char** argv);
97 enum Location location;
100 extern const struct BB_applet applets[];
102 extern int ar_main(int argc, char **argv);
103 extern int basename_main(int argc, char **argv);
104 extern int busybox_main(int argc, char** argv);
105 extern int cat_main(int argc, char** argv);
106 extern int chmod_chown_chgrp_main(int argc, char** argv);
107 extern int chroot_main(int argc, char** argv);
108 extern int chvt_main(int argc, char** argv);
109 extern int clear_main(int argc, char** argv);
110 extern int cp_mv_main(int argc, char** argv);
111 extern int cut_main(int argc, char** argv);
112 extern int date_main(int argc, char** argv);
113 extern int dc_main(int argc, char** argv);
114 extern int dd_main(int argc, char** argv);
115 extern int dirname_main(int argc, char** argv);
116 extern int deallocvt_main(int argc, char** argv);
117 extern int df_main(int argc, char** argv);
118 extern int dmesg_main(int argc, char** argv);
119 extern int du_main(int argc, char** argv);
120 extern int dutmp_main(int argc, char** argv);
121 extern int echo_main(int argc, char** argv);
122 extern int false_main(int argc, char** argv);
123 extern int fbset_main(int argc, char** argv);
124 extern int fdisk_main(int argc, char** argv);
125 extern int fdflush_main(int argc, char **argv);
126 extern int fsck_minix_main(int argc, char **argv);
127 extern int find_main(int argc, char** argv);
128 extern int free_main(int argc, char** argv);
129 extern int freeramdisk_main(int argc, char** argv);
130 extern int grep_main(int argc, char** argv);
131 extern int gunzip_main (int argc, char** argv);
132 extern int gzip_main(int argc, char** argv);
133 extern int halt_main(int argc, char** argv);
134 extern int head_main(int argc, char** argv);
135 extern int hostid_main(int argc, char** argv);
136 extern int hostname_main(int argc, char** argv);
137 extern int id_main(int argc, char** argv);
138 extern int init_main(int argc, char** argv);
139 extern int insmod_main(int argc, char** argv);
140 extern int kill_main(int argc, char** argv);
141 extern int length_main(int argc, char** argv);
142 extern int ln_main(int argc, char** argv);
143 extern int loadacm_main(int argc, char** argv);
144 extern int loadfont_main(int argc, char** argv);
145 extern int loadkmap_main(int argc, char** argv);
146 extern int losetup_main(int argc, char** argv);
147 extern int logger_main(int argc, char **argv);
148 extern int logname_main(int argc, char **argv);
149 extern int ls_main(int argc, char** argv);
150 extern int lsmod_main(int argc, char** argv);
151 extern int makedevs_main(int argc, char** argv);
152 extern int md5sum_main(int argc, char** argv);
153 extern int mkdir_main(int argc, char** argv);
154 extern int mkfifo_main(int argc, char **argv);
155 extern int mkfs_minix_main(int argc, char **argv);
156 extern int mknod_main(int argc, char** argv);
157 extern int mkswap_main(int argc, char** argv);
158 extern int mktemp_main(int argc, char **argv);
159 extern int nc_main(int argc, char** argv);
160 extern int more_main(int argc, char** argv);
161 extern int mount_main(int argc, char** argv);
162 extern int mt_main(int argc, char** argv);
163 extern int nslookup_main(int argc, char **argv);
164 extern int ping_main(int argc, char **argv);
165 extern int poweroff_main(int argc, char **argv);
166 extern int printf_main(int argc, char** argv);
167 extern int ps_main(int argc, char** argv);
168 extern int pwd_main(int argc, char** argv);
169 extern int reboot_main(int argc, char** argv);
170 extern int rm_main(int argc, char** argv);
171 extern int rmdir_main(int argc, char **argv);
172 extern int rmmod_main(int argc, char** argv);
173 extern int sed_main(int argc, char** argv);
174 extern int sfdisk_main(int argc, char** argv);
175 extern int setkeycodes_main(int argc, char** argv);
176 extern int shell_main(int argc, char** argv);
177 extern int sleep_main(int argc, char** argv);
178 extern int sort_main(int argc, char** argv);
179 extern int swap_on_off_main(int argc, char** argv);
180 extern int sync_main(int argc, char** argv);
181 extern int syslogd_main(int argc, char **argv);
182 extern int tail_main(int argc, char** argv);
183 extern int tar_main(int argc, char** argv);
184 extern int tee_main(int argc, char** argv);
185 extern int test_main(int argc, char** argv);
186 extern int telnet_main(int argc, char** argv);
187 extern int touch_main(int argc, char** argv);
188 extern int tr_main(int argc, char** argv);
189 extern int true_main(int argc, char** argv);
190 extern int tput_main(int argc, char** argv);
191 extern int tryopen_main(int argc, char** argv);
192 extern int tty_main(int argc, char** argv);
193 extern int uuencode_main(int argc, char** argv);
194 extern int uudecode_main(int argc, char** argv);
195 extern int umount_main(int argc, char** argv);
196 extern int uname_main(int argc, char** argv);
197 extern int uptime_main(int argc, char** argv);
198 extern int uniq_main(int argc, char** argv);
199 extern int update_main(int argc, char** argv);
200 extern int usleep_main(int argc, char** argv);
201 extern int wc_main(int argc, char** argv);
202 extern int which_main(int argc, char** argv);
203 extern int whoami_main(int argc, char** argv);
204 extern int yes_main(int argc, char** argv);
207 extern void usage(const char *usage) __attribute__ ((noreturn));
208 extern void errorMsg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
209 extern void fatalError(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
211 const char *modeString(int mode);
212 const char *timeString(time_t timeVal);
213 int isDirectory(const char *name, const int followLinks, struct stat *statBuf);
214 int isDevice(const char *name);
216 typedef struct ino_dev_hash_bucket_struct {
217 struct ino_dev_hash_bucket_struct *next;
221 } ino_dev_hashtable_bucket_t;
222 int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name);
223 void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
224 void reset_ino_dev_hashtable(void);
226 int copyFile(const char *srcName, const char *destName,
227 int setModes, int followLinks, int forceFlag);
228 char *buildName(const char *dirName, const char *fileName);
229 int makeString(int argc, const char **argv, char *buf, int bufLen);
230 char *getChunk(int size);
231 char *chunkstrdup(const char *str);
232 void freeChunks(void);
233 int fullWrite(int fd, const char *buf, int len);
234 int fullRead(int fd, char *buf, int len);
235 int recursiveAction(const char *fileName, int recurse, int followLinks, int depthFirst,
236 int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData),
237 int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData),
239 const char* timeString(time_t timeVal);
241 extern int createPath (const char *name, int mode);
242 extern int parse_mode( const char* s, mode_t* theMode);
244 extern int get_kernel_revision(void);
246 extern int get_console_fd(char* tty_name);
247 extern struct mntent *findMountPoint(const char *name, const char *table);
248 extern void write_mtab(char* blockDevice, char* directory,
249 char* filesystemType, long flags, char* string_flags);
250 extern void erase_mtab(const char * name);
251 extern void mtab_read(void);
252 extern char *mtab_first(void **iter);
253 extern char *mtab_next(void **iter);
254 extern char *mtab_getinfo(const char *match, const char which);
255 extern int check_wildcard_match(const char* text, const char* pattern);
256 extern long getNum (const char *cp);
257 extern pid_t* findPidByName( char* pidName);
258 extern int find_real_root_device_name(char* name);
259 extern char *get_line_from_file(FILE *file);
260 extern char process_escape_sequence(char **ptr);
261 extern char *get_last_path_component(char *path);
263 extern void *xmalloc (size_t size);
264 extern char *xstrdup (const char *s);
265 extern char *xstrndup (const char *s, int n);
268 /* These parse entries in /etc/passwd and /etc/group. This is desirable
269 * for BusyBox since we want to avoid using the glibc NSS stuff, which
270 * increases target size and is often not needed embedded systems. */
271 extern unsigned long my_getpwnam(char *name);
272 extern unsigned long my_getgrnam(char *name);
273 extern void my_getpwuid(char *name, unsigned long uid);
274 extern void my_getgrgid(char *group, unsigned long gid);
275 extern unsigned long my_getpwnamegid(char *name);
278 #if defined BB_INIT || defined BB_SYSLOGD
279 extern int device_open(char *device, int mode);
281 #if defined BB_FEATURE_MOUNT_LOOP
282 extern int del_loop(const char *device);
283 extern int set_loop(const char *device, const char *file, int offset, int *loopro);
284 extern char *find_unused_loop_device (void);
288 #if (__GLIBC__ < 2) && (defined BB_SYSLOGD || defined BB_INIT)
289 extern int vdprintf(int d, const char *format, va_list ap);
292 #if defined BB_NFSMOUNT
293 int nfsmount(const char *spec, const char *node, unsigned long *flags,
294 char **extra_opts, char **mount_opts, int running_bg);
298 /* Stop system and switch power off if possible. */
299 #define RB_POWER_OFF 0x4321fedc
302 /* Include our own copy of struct sysinfo to avoid binary compatability
303 * problems with Linux 2.4, which changed things. Grumble, grumble. */
305 long uptime; /* Seconds since boot */
306 unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
307 unsigned long totalram; /* Total usable main memory size */
308 unsigned long freeram; /* Available memory size */
309 unsigned long sharedram; /* Amount of shared memory */
310 unsigned long bufferram; /* Memory used by buffers */
311 unsigned long totalswap; /* Total swap space size */
312 unsigned long freeswap; /* swap space still available */
313 unsigned short procs; /* Number of current processes */
314 unsigned long totalhigh; /* Total high memory size */
315 unsigned long freehigh; /* Available high memory size */
316 unsigned int mem_unit; /* Memory unit size in bytes */
317 char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
319 extern int sysinfo (struct sysinfo* info);
321 /* Bit map related macros -- libc5 doens't provide these... sigh. */
323 #define NBBY CHAR_BIT
324 #define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
325 #define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
326 #define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY)))
327 #define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
330 #endif /* _BB_INTERNAL_H_ */