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 __LIBCONFIG_H__
25 #define __LIBCONFIG_H__ 1
30 #include <sys/types.h>
42 #if (__GNU_LIBRARY__ < 5) && (!defined __dietlibc__)
43 /* libc5 doesn't define socklen_t */
44 typedef unsigned int socklen_t;
45 /* libc5 doesn't implement BSD 4.4 daemon() */
46 extern int daemon (int nochdir, int noclose);
47 /* libc5 doesn't implement strtok_r */
48 char *strtok_r(char *s, const char *delim, char **ptrptr);
51 /* Some useful definitions */
52 #define FALSE ((int) 0)
53 #define TRUE ((int) 1)
54 #define SKIP ((int) 2)
57 #define MTAB_GETMOUNTPT '1'
58 #define MTAB_GETDEVICE '2'
61 #define EXPAND_ALLOC 1024
63 static inline int is_decimal(int ch) { return ((ch >= '0') && (ch <= '9')); }
64 static inline int is_octal(int ch) { return ((ch >= '0') && (ch <= '7')); }
66 /* Macros for min/max. */
68 #define MIN(a,b) (((a)<(b))?(a):(b))
72 #define MAX(a,b) (((a)>(b))?(a):(b))
77 extern void show_usage(void) __attribute__ ((noreturn));
78 extern void error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
79 extern void error_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
80 extern void perror_msg(const char *s, ...);
81 extern void perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
82 extern void vherror_msg(const char *s, va_list p);
83 extern void herror_msg(const char *s, ...);
84 extern void herror_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
86 /* These two are used internally -- you shouldn't need to use them */
87 extern void verror_msg(const char *s, va_list p);
88 extern void vperror_msg(const char *s, va_list p);
90 const char *mode_string(int mode);
91 const char *time_string(time_t timeVal);
92 int is_directory(const char *name, int followLinks, struct stat *statBuf);
93 int isDevice(const char *name);
95 int remove_file(const char *path, int flags);
96 int copy_file(const char *source, const char *dest, int flags);
97 int copy_file_chunk(FILE *src_file, FILE *dst_file, unsigned long long chunksize);
98 char *buildName(const char *dirName, const char *fileName);
99 int makeString(int argc, const char **argv, char *buf, int bufLen);
100 char *getChunk(int size);
101 char *chunkstrdup(const char *str);
102 void freeChunks(void);
103 ssize_t safe_read(int fd, void *buf, size_t count);
104 int full_write(int fd, const char *buf, int len);
105 int full_read(int fd, char *buf, int len);
106 int recursive_action(const char *fileName, int recurse, int followLinks, int depthFirst,
107 int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData),
108 int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData),
111 extern int parse_mode( const char* s, mode_t* theMode);
113 extern int get_kernel_revision(void);
115 extern int get_console_fd(char* tty_name);
116 extern struct mntent *find_mount_point(const char *name, const char *table);
117 extern void write_mtab(char* blockDevice, char* directory,
118 char* filesystemType, long flags, char* string_flags);
119 extern void erase_mtab(const char * name);
120 extern long atoi_w_units (const char *cp);
121 extern long* find_pid_by_name( char* pidName);
122 extern char *find_real_root_device_name(const char* name);
123 extern char *get_line_from_file(FILE *file);
124 extern void print_file(FILE *file);
125 extern int copyfd(int fd1, int fd2);
126 extern int print_file_by_name(char *filename);
127 extern char process_escape_sequence(const char **ptr);
128 extern char *get_last_path_component(char *path);
129 extern FILE *wfopen(const char *path, const char *mode);
130 extern FILE *xfopen(const char *path, const char *mode);
131 extern void chomp(char *s);
132 extern void trim(char *s);
133 extern struct BB_applet *find_applet_by_name(const char *name);
134 void run_applet_by_name(const char *name, int argc, char **argv);
137 extern void *xmalloc (size_t size);
138 extern void *xrealloc(void *old, size_t size);
139 extern void *xcalloc(size_t nmemb, size_t size);
140 extern char *xstrdup (const char *s);
142 extern char *xstrndup (const char *s, int n);
143 extern char * safe_strncpy(char *dst, const char *src, size_t size);
150 extern unsigned long parse_number(const char *numstr,
151 const struct suffix_mult *suffixes);
154 /* These parse entries in /etc/passwd and /etc/group. This is desirable
155 * for BusyBox since we want to avoid using the glibc NSS stuff, which
156 * increases target size and is often not needed embedded systems. */
157 extern long my_getpwnam(const char *name);
158 extern long my_getgrnam(const char *name);
159 extern void my_getpwuid(char *name, long uid);
160 extern void my_getgrgid(char *group, long gid);
161 extern long my_getpwnamegid(const char *name);
163 extern int device_open(char *device, int mode);
165 extern int del_loop(const char *device);
166 extern int set_loop(const char *device, const char *file, int offset, int *loopro);
167 extern char *find_unused_loop_device (void);
171 extern int vdprintf(int d, const char *format, va_list ap);
174 int nfsmount(const char *spec, const char *node, int *flags,
175 char **extra_opts, char **mount_opts, int running_bg);
177 void syslog_msg_with_name(const char *name, int facility, int pri, const char *msg);
178 void syslog_msg(int facility, int pri, const char *msg);
180 /* Include our own copy of struct sysinfo to avoid binary compatability
181 * problems with Linux 2.4, which changed things. Grumble, grumble. */
183 long uptime; /* Seconds since boot */
184 unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
185 unsigned long totalram; /* Total usable main memory size */
186 unsigned long freeram; /* Available memory size */
187 unsigned long sharedram; /* Amount of shared memory */
188 unsigned long bufferram; /* Memory used by buffers */
189 unsigned long totalswap; /* Total swap space size */
190 unsigned long freeswap; /* swap space still available */
191 unsigned short procs; /* Number of current processes */
192 unsigned short pad; /* Padding needed for m68k */
193 unsigned long totalhigh; /* Total high memory size */
194 unsigned long freehigh; /* Available high memory size */
195 unsigned int mem_unit; /* Memory unit size in bytes */
196 char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
198 extern int sysinfo (struct sysinfo* info);
202 MEGABYTE = (KILOBYTE*1024),
203 GIGABYTE = (MEGABYTE*1024)
205 const char *make_human_readable_str(unsigned long size, unsigned long block_size, unsigned long display_unit);
207 int ask_confirmation(void);
208 int klogctl(int type, char * b, int len);
210 char *xgetcwd(char *cwd);
211 char *xreadlink(const char *path);
212 char *concat_path_file(const char *path, const char *filename);
213 char *last_char_is(const char *s, int c);
215 extern long arith (const char *startbuf, int *errcode);
217 int read_package_field(const char *package_buffer, char **field_name, char **field_value);
218 char *fgets_str(FILE *file, const char *terminating_string);
220 extern int inflate(FILE *in, FILE *out);
221 extern int unzip(FILE *l_in_file, FILE *l_out_file);
222 extern void gz_close(int gunzip_pid);
223 extern FILE *gz_open(FILE *compressed_file, int *pid);
225 extern struct hostent *xgethostbyname(const char *name);
226 extern int create_icmp_socket(void);
228 char *dirname (char *path);
230 int make_directory (char *path, long mode, int flags);
232 const char *u_signal_names(const char *str_sig, int *signo, int startnum);
233 char *simplify_path(const char *path);
236 #define CT_UNIX2DOS 1
237 #define CT_DOS2UNIX 2
238 /* extern int convert(char *fn, int ConvType); */
241 FILEUTILS_PRESERVE_STATUS = 1,
242 FILEUTILS_DEREFERENCE = 2,
245 FILEUTILS_INTERACTIVE = 16
248 extern const char *applet_name;
249 extern const char * const full_version;
250 extern const char * const name_too_long;
251 extern const char * const omitting_directory;
252 extern const char * const not_a_directory;
253 extern const char * const memory_exhausted;
254 extern const char * const invalid_date;
255 extern const char * const invalid_option;
256 extern const char * const io_error;
257 extern const char * const dash_dash_help;
258 extern const char * const write_error;
259 extern const char * const too_few_args;
260 extern const char * const name_longer_than_foo;
261 extern const char * const unknown;
262 extern const char * const can_not_create_raw_socket;
264 #ifdef CONFIG_FEATURE_DEVFS
265 # define CURRENT_VC "/dev/vc/0"
266 # define VC_1 "/dev/vc/1"
267 # define VC_2 "/dev/vc/2"
268 # define VC_3 "/dev/vc/3"
269 # define VC_4 "/dev/vc/4"
270 # define VC_5 "/dev/vc/5"
271 # define SC_0 "/dev/tts/0"
272 # define SC_1 "/dev/tts/1"
273 # define VC_FORMAT "/dev/vc/%d"
274 # define SC_FORMAT "/dev/tts/%d"
275 # define LOOP_FORMAT "/dev/loop/%d"
277 # define CURRENT_VC "/dev/tty0"
278 # define VC_1 "/dev/tty1"
279 # define VC_2 "/dev/tty2"
280 # define VC_3 "/dev/tty3"
281 # define VC_4 "/dev/tty4"
282 # define VC_5 "/dev/tty5"
283 # define SC_0 "/dev/ttyS0"
284 # define SC_1 "/dev/ttyS1"
285 # define VC_FORMAT "/dev/tty%d"
286 # define SC_FORMAT "/dev/ttyS%d"
287 # define LOOP_FORMAT "/dev/loop%d"
290 /* The following devices are the same on devfs and non-devfs systems. */
291 #define CURRENT_TTY "/dev/tty"
292 #define CONSOLE_DEV "/dev/console"
294 int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name);
295 void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
296 void reset_ino_dev_hashtable(void);
298 /* Stupid gcc always includes its own builtin strlen()... */
299 extern size_t xstrlen(const char *string);
300 #define strlen(x) xstrlen(x)
302 #endif /* __LIBCONFIG_H__ */