Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 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 __LIBBB_H__ |
| 25 | #define __LIBBB_H__ 1 |
| 26 | |
| 27 | #include <stdio.h> |
| 28 | #include <stdarg.h> |
| 29 | #include <sys/stat.h> |
| 30 | #include <sys/types.h> |
| 31 | |
Matt Kraai | c55b8d4 | 2001-05-16 15:40:51 +0000 | [diff] [blame] | 32 | #include <netdb.h> |
| 33 | |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 34 | #ifdef DMALLOC |
| 35 | #include "dmalloc.h" |
| 36 | #endif |
| 37 | |
| 38 | #include <features.h> |
Eric Andersen | b6b519b | 2001-04-09 23:52:18 +0000 | [diff] [blame] | 39 | |
Mark Whitley | c29c44c | 2001-04-25 18:06:21 +0000 | [diff] [blame] | 40 | #ifndef _BB_INTERNAL_H_ |
| 41 | #include "../busybox.h" |
| 42 | #endif |
| 43 | |
Eric Andersen | b6b519b | 2001-04-09 23:52:18 +0000 | [diff] [blame] | 44 | #if __GNU_LIBRARY__ < 5 |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 45 | /* libc5 doesn't define socklen_t */ |
| 46 | typedef unsigned int socklen_t; |
Eric Andersen | b2e3e9b | 2001-04-04 19:25:57 +0000 | [diff] [blame] | 47 | /* libc5 doesn't implement BSD 4.4 daemon() */ |
| 48 | extern int daemon (int nochdir, int noclose); |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 49 | #endif |
| 50 | |
| 51 | /* Some useful definitions */ |
| 52 | #define FALSE ((int) 0) |
| 53 | #define TRUE ((int) 1) |
| 54 | #define SKIP ((int) 2) |
| 55 | |
| 56 | /* for mtab.c */ |
| 57 | #define MTAB_GETMOUNTPT '1' |
| 58 | #define MTAB_GETDEVICE '2' |
| 59 | |
| 60 | #define BUF_SIZE 8192 |
| 61 | #define EXPAND_ALLOC 1024 |
| 62 | |
Eric Andersen | b5ec61e | 2001-04-18 20:17:05 +0000 | [diff] [blame] | 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')); } |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 65 | |
| 66 | /* Macros for min/max. */ |
| 67 | #ifndef MIN |
| 68 | #define MIN(a,b) (((a)<(b))?(a):(b)) |
| 69 | #endif |
| 70 | |
| 71 | #ifndef MAX |
| 72 | #define MAX(a,b) (((a)>(b))?(a):(b)) |
| 73 | #endif |
| 74 | |
| 75 | |
| 76 | |
| 77 | extern void show_usage(void) __attribute__ ((noreturn)); |
Eric Andersen | b183dfa | 2001-03-19 19:24:06 +0000 | [diff] [blame] | 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))); |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 80 | extern void perror_msg(const char *s, ...); |
| 81 | extern void perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn)); |
Matt Kraai | c55b8d4 | 2001-05-16 15:40:51 +0000 | [diff] [blame] | 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)); |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 85 | |
Eric Andersen | b183dfa | 2001-03-19 19:24:06 +0000 | [diff] [blame] | 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); |
| 89 | |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 90 | const char *mode_string(int mode); |
| 91 | const char *time_string(time_t timeVal); |
Eric Andersen | 8cd16d8 | 2001-05-07 23:11:23 +0000 | [diff] [blame] | 92 | int is_directory(const char *name, int followLinks, struct stat *statBuf); |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 93 | int isDevice(const char *name); |
| 94 | |
Matt Kraai | 8810bdb | 2001-04-24 20:04:18 +0000 | [diff] [blame] | 95 | int remove_file(const char *path, int flags); |
Matt Kraai | 91b2855 | 2001-04-23 18:53:07 +0000 | [diff] [blame] | 96 | int copy_file(const char *source, const char *dest, int flags); |
Glenn L McGrath | c9cac5b | 2001-04-12 13:47:12 +0000 | [diff] [blame] | 97 | int copy_file_chunk(FILE *src_file, FILE *dst_file, unsigned long long chunksize); |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 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), |
| 109 | void* userData); |
| 110 | |
| 111 | extern int create_path (const char *name, int mode); |
| 112 | extern int parse_mode( const char* s, mode_t* theMode); |
| 113 | |
| 114 | extern int get_kernel_revision(void); |
| 115 | |
| 116 | extern int get_console_fd(char* tty_name); |
| 117 | extern struct mntent *find_mount_point(const char *name, const char *table); |
| 118 | extern void write_mtab(char* blockDevice, char* directory, |
| 119 | char* filesystemType, long flags, char* string_flags); |
| 120 | extern void erase_mtab(const char * name); |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 121 | extern long atoi_w_units (const char *cp); |
| 122 | extern pid_t* find_pid_by_name( char* pidName); |
Eric Andersen | c911a43 | 2001-05-15 17:42:16 +0000 | [diff] [blame] | 123 | extern char *find_real_root_device_name(const char* name); |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 124 | extern char *get_line_from_file(FILE *file); |
| 125 | extern void print_file(FILE *file); |
Matt Kraai | d6ef074 | 2001-05-18 14:14:55 +0000 | [diff] [blame] | 126 | extern int copyfd(int fd1, int fd2); |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 127 | extern int print_file_by_name(char *filename); |
Eric Andersen | e5dfced | 2001-04-09 22:48:12 +0000 | [diff] [blame] | 128 | extern char process_escape_sequence(const char **ptr); |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 129 | extern char *get_last_path_component(char *path); |
| 130 | extern FILE *wfopen(const char *path, const char *mode); |
| 131 | extern FILE *xfopen(const char *path, const char *mode); |
| 132 | extern void chomp(char *s); |
| 133 | extern void trim(char *s); |
| 134 | extern struct BB_applet *find_applet_by_name(const char *name); |
| 135 | void run_applet_by_name(const char *name, int argc, char **argv); |
| 136 | |
| 137 | #ifndef DMALLOC |
| 138 | extern void *xmalloc (size_t size); |
| 139 | extern void *xrealloc(void *old, size_t size); |
| 140 | extern void *xcalloc(size_t nmemb, size_t size); |
| 141 | extern char *xstrdup (const char *s); |
| 142 | #endif |
| 143 | extern char *xstrndup (const char *s, int n); |
| 144 | extern char * safe_strncpy(char *dst, const char *src, size_t size); |
| 145 | |
| 146 | struct suffix_mult { |
Eric Andersen | e5dfced | 2001-04-09 22:48:12 +0000 | [diff] [blame] | 147 | const char *suffix; |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 148 | int mult; |
| 149 | }; |
| 150 | |
| 151 | extern unsigned long parse_number(const char *numstr, |
| 152 | const struct suffix_mult *suffixes); |
| 153 | |
| 154 | |
| 155 | /* These parse entries in /etc/passwd and /etc/group. This is desirable |
| 156 | * for BusyBox since we want to avoid using the glibc NSS stuff, which |
| 157 | * increases target size and is often not needed embedded systems. */ |
| 158 | extern long my_getpwnam(const char *name); |
| 159 | extern long my_getgrnam(const char *name); |
| 160 | extern void my_getpwuid(char *name, long uid); |
| 161 | extern void my_getgrgid(char *group, long gid); |
| 162 | extern long my_getpwnamegid(const char *name); |
| 163 | |
| 164 | extern int device_open(char *device, int mode); |
| 165 | |
| 166 | extern int del_loop(const char *device); |
| 167 | extern int set_loop(const char *device, const char *file, int offset, int *loopro); |
| 168 | extern char *find_unused_loop_device (void); |
| 169 | |
| 170 | |
| 171 | #if (__GLIBC__ < 2) |
| 172 | extern int vdprintf(int d, const char *format, va_list ap); |
| 173 | #endif |
| 174 | |
| 175 | int nfsmount(const char *spec, const char *node, int *flags, |
| 176 | char **extra_opts, char **mount_opts, int running_bg); |
| 177 | |
| 178 | void syslog_msg_with_name(const char *name, int facility, int pri, const char *msg); |
| 179 | void syslog_msg(int facility, int pri, const char *msg); |
| 180 | |
| 181 | /* Include our own copy of struct sysinfo to avoid binary compatability |
| 182 | * problems with Linux 2.4, which changed things. Grumble, grumble. */ |
| 183 | struct sysinfo { |
| 184 | long uptime; /* Seconds since boot */ |
| 185 | unsigned long loads[3]; /* 1, 5, and 15 minute load averages */ |
| 186 | unsigned long totalram; /* Total usable main memory size */ |
| 187 | unsigned long freeram; /* Available memory size */ |
| 188 | unsigned long sharedram; /* Amount of shared memory */ |
| 189 | unsigned long bufferram; /* Memory used by buffers */ |
| 190 | unsigned long totalswap; /* Total swap space size */ |
| 191 | unsigned long freeswap; /* swap space still available */ |
| 192 | unsigned short procs; /* Number of current processes */ |
| 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.. */ |
| 197 | }; |
| 198 | extern int sysinfo (struct sysinfo* info); |
| 199 | |
Matt Kraai | d98e574 | 2001-03-28 20:10:25 +0000 | [diff] [blame] | 200 | const char *make_human_readable_str(unsigned long val, unsigned long not_hr); |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 201 | enum { |
| 202 | KILOBYTE = 1024, |
| 203 | MEGABYTE = (KILOBYTE*1024), |
| 204 | GIGABYTE = (MEGABYTE*1024) |
| 205 | }; |
| 206 | |
| 207 | int ask_confirmation(void); |
Eric Andersen | e76c3b0 | 2001-04-05 03:14:39 +0000 | [diff] [blame] | 208 | int klogctl(int type, char * b, int len); |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 209 | |
Eric Andersen | e5dfced | 2001-04-09 22:48:12 +0000 | [diff] [blame] | 210 | char *xgetcwd(char *cwd); |
Mark Whitley | 8a63326 | 2001-04-30 18:17:00 +0000 | [diff] [blame] | 211 | char *xreadlink(const char *path); |
Eric Andersen | e5dfced | 2001-04-09 22:48:12 +0000 | [diff] [blame] | 212 | char *concat_path_file(const char *path, const char *filename); |
Eric Andersen | c911a43 | 2001-05-15 17:42:16 +0000 | [diff] [blame] | 213 | char *last_char_is(const char *s, int c); |
Eric Andersen | e5dfced | 2001-04-09 22:48:12 +0000 | [diff] [blame] | 214 | |
Glenn L McGrath | 9d53c8a | 2001-04-11 01:37:03 +0000 | [diff] [blame] | 215 | typedef struct ar_headers_s { |
| 216 | char *name; |
| 217 | off_t size; |
| 218 | uid_t uid; |
| 219 | gid_t gid; |
| 220 | mode_t mode; |
| 221 | time_t mtime; |
| 222 | off_t offset; |
| 223 | struct ar_headers_s *next; |
| 224 | } ar_headers_t; |
Glenn L McGrath | 4949faf | 2001-04-11 16:23:35 +0000 | [diff] [blame] | 225 | extern ar_headers_t *get_ar_headers(FILE *in_file); |
| 226 | extern int seek_ared_file(FILE *in_file, ar_headers_t *headers, const char *tar_gz_file); |
Glenn L McGrath | 359c106 | 2001-04-12 10:19:08 +0000 | [diff] [blame] | 227 | |
| 228 | typedef enum extract_function_e { |
| 229 | extract_contents = 1, |
| 230 | extract_control = 2, |
| 231 | extract_info = 4, |
| 232 | extract_extract = 8, |
| 233 | extract_verbose_extract = 16, |
Glenn L McGrath | c9cac5b | 2001-04-12 13:47:12 +0000 | [diff] [blame] | 234 | extract_list = 32, |
Glenn L McGrath | 445fb95 | 2001-04-13 04:02:57 +0000 | [diff] [blame] | 235 | extract_fsys_tarfile = 64, |
Glenn L McGrath | 33431eb | 2001-04-16 04:52:19 +0000 | [diff] [blame] | 236 | extract_field = 128, |
| 237 | extract_contents_to_file = 256 |
Glenn L McGrath | 359c106 | 2001-04-12 10:19:08 +0000 | [diff] [blame] | 238 | } extract_function_t; |
Eric Andersen | 8cd16d8 | 2001-05-07 23:11:23 +0000 | [diff] [blame] | 239 | extern char *deb_extract(const char *package_filename, int function, |
Glenn L McGrath | 33431eb | 2001-04-16 04:52:19 +0000 | [diff] [blame] | 240 | const char *argument, const char *argument2); |
Eric Andersen | 8cd16d8 | 2001-05-07 23:11:23 +0000 | [diff] [blame] | 241 | extern char *untar(FILE *src_tar_file, FILE *output, int untar_function, |
Glenn L McGrath | 33431eb | 2001-04-16 04:52:19 +0000 | [diff] [blame] | 242 | const char *argument, const char *file_prefix); |
Glenn L McGrath | 685f5fd | 2001-04-15 12:51:59 +0000 | [diff] [blame] | 243 | extern char *read_text_file_to_buffer(FILE *src_file); |
| 244 | extern char *read_package_field(const char *package_buffer); |
Glenn L McGrath | 359c106 | 2001-04-12 10:19:08 +0000 | [diff] [blame] | 245 | |
Glenn L McGrath | 7fd9294 | 2001-04-11 03:11:33 +0000 | [diff] [blame] | 246 | extern int unzip(FILE *l_in_file, FILE *l_out_file); |
| 247 | extern void gz_close(int gunzip_pid); |
| 248 | extern int gz_open(FILE *compressed_file, int *pid); |
Glenn L McGrath | 4949faf | 2001-04-11 16:23:35 +0000 | [diff] [blame] | 249 | |
Matt Kraai | c55b8d4 | 2001-05-16 15:40:51 +0000 | [diff] [blame] | 250 | extern struct hostent *xgethostbyname(const char *name); |
| 251 | |
Glenn L McGrath | a283157 | 2001-04-12 00:49:26 +0000 | [diff] [blame] | 252 | #define CT_AUTO 0 |
| 253 | #define CT_UNIX2DOS 1 |
| 254 | #define CT_DOS2UNIX 2 |
Matt Kraai | 1e04ea3 | 2001-04-12 21:38:06 +0000 | [diff] [blame] | 255 | /* extern int convert(char *fn, int ConvType); */ |
Glenn L McGrath | a283157 | 2001-04-12 00:49:26 +0000 | [diff] [blame] | 256 | |
Matt Kraai | 91b2855 | 2001-04-23 18:53:07 +0000 | [diff] [blame] | 257 | enum { |
Matt Kraai | 0144103 | 2001-04-24 01:30:02 +0000 | [diff] [blame] | 258 | FILEUTILS_PRESERVE_STATUS = 1, |
| 259 | FILEUTILS_PRESERVE_SYMLINKS = 2, |
| 260 | FILEUTILS_RECUR = 4, |
| 261 | FILEUTILS_FORCE = 8, |
| 262 | FILEUTILS_INTERACTIVE = 16 |
Matt Kraai | 91b2855 | 2001-04-23 18:53:07 +0000 | [diff] [blame] | 263 | }; |
| 264 | |
Eric Andersen | 0e9aef3 | 2001-04-30 18:18:02 +0000 | [diff] [blame] | 265 | extern const char *applet_name; |
Eric Andersen | 6f34394 | 2001-04-30 18:08:03 +0000 | [diff] [blame] | 266 | extern const char * const full_version; |
| 267 | extern const char * const name_too_long; |
| 268 | extern const char * const omitting_directory; |
| 269 | extern const char * const not_a_directory; |
| 270 | extern const char * const memory_exhausted; |
| 271 | extern const char * const invalid_date; |
| 272 | extern const char * const invalid_option; |
| 273 | extern const char * const io_error; |
| 274 | extern const char * const dash_dash_help; |
| 275 | extern const char * const write_error; |
| 276 | extern const char * const too_few_args; |
| 277 | extern const char * const name_longer_than_foo; |
Eric Andersen | 5f265b7 | 2001-05-11 16:58:46 +0000 | [diff] [blame] | 278 | extern const char * const unknown; |
Matt Kraai | 9ff9325 | 2001-04-24 01:12:33 +0000 | [diff] [blame] | 279 | |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 280 | #endif /* __LIBBB_H__ */ |