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 | |
| 32 | #ifdef DMALLOC |
| 33 | #include "dmalloc.h" |
| 34 | #endif |
| 35 | |
| 36 | #include <features.h> |
Eric Andersen | b6b519b | 2001-04-09 23:52:18 +0000 | [diff] [blame] | 37 | |
Mark Whitley | c29c44c | 2001-04-25 18:06:21 +0000 | [diff] [blame] | 38 | #ifndef _BB_INTERNAL_H_ |
| 39 | #include "../busybox.h" |
| 40 | #endif |
| 41 | |
Eric Andersen | b6b519b | 2001-04-09 23:52:18 +0000 | [diff] [blame] | 42 | #if __GNU_LIBRARY__ < 5 |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 43 | /* libc5 doesn't define socklen_t */ |
| 44 | typedef unsigned int socklen_t; |
Eric Andersen | b2e3e9b | 2001-04-04 19:25:57 +0000 | [diff] [blame] | 45 | /* libc5 doesn't implement BSD 4.4 daemon() */ |
| 46 | extern int daemon (int nochdir, int noclose); |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 47 | #endif |
| 48 | |
| 49 | /* Some useful definitions */ |
| 50 | #define FALSE ((int) 0) |
| 51 | #define TRUE ((int) 1) |
| 52 | #define SKIP ((int) 2) |
| 53 | |
| 54 | /* for mtab.c */ |
| 55 | #define MTAB_GETMOUNTPT '1' |
| 56 | #define MTAB_GETDEVICE '2' |
| 57 | |
| 58 | #define BUF_SIZE 8192 |
| 59 | #define EXPAND_ALLOC 1024 |
| 60 | |
Eric Andersen | b5ec61e | 2001-04-18 20:17:05 +0000 | [diff] [blame] | 61 | static inline int is_decimal(int ch) { return ((ch >= '0') && (ch <= '9')); } |
| 62 | static inline int is_octal(int ch) { return ((ch >= '0') && (ch <= '7')); } |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 63 | |
| 64 | /* Macros for min/max. */ |
| 65 | #ifndef MIN |
| 66 | #define MIN(a,b) (((a)<(b))?(a):(b)) |
| 67 | #endif |
| 68 | |
| 69 | #ifndef MAX |
| 70 | #define MAX(a,b) (((a)>(b))?(a):(b)) |
| 71 | #endif |
| 72 | |
| 73 | |
| 74 | |
| 75 | extern void show_usage(void) __attribute__ ((noreturn)); |
Eric Andersen | b183dfa | 2001-03-19 19:24:06 +0000 | [diff] [blame] | 76 | extern void error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2))); |
| 77 | 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] | 78 | extern void perror_msg(const char *s, ...); |
| 79 | extern void perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn)); |
| 80 | |
Eric Andersen | b183dfa | 2001-03-19 19:24:06 +0000 | [diff] [blame] | 81 | /* These two are used internally -- you shouldn't need to use them */ |
| 82 | extern void verror_msg(const char *s, va_list p); |
| 83 | extern void vperror_msg(const char *s, va_list p); |
| 84 | |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 85 | const char *mode_string(int mode); |
| 86 | const char *time_string(time_t timeVal); |
| 87 | int is_directory(const char *name, const int followLinks, struct stat *statBuf); |
| 88 | int isDevice(const char *name); |
| 89 | |
| 90 | typedef struct ino_dev_hash_bucket_struct { |
| 91 | struct ino_dev_hash_bucket_struct *next; |
| 92 | ino_t ino; |
| 93 | dev_t dev; |
| 94 | char name[1]; |
| 95 | } ino_dev_hashtable_bucket_t; |
| 96 | int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name); |
| 97 | void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name); |
| 98 | void reset_ino_dev_hashtable(void); |
| 99 | |
Matt Kraai | 8810bdb | 2001-04-24 20:04:18 +0000 | [diff] [blame] | 100 | int remove_file(const char *path, int flags); |
Matt Kraai | 91b2855 | 2001-04-23 18:53:07 +0000 | [diff] [blame] | 101 | int copy_file(const char *source, const char *dest, int flags); |
Glenn L McGrath | c9cac5b | 2001-04-12 13:47:12 +0000 | [diff] [blame] | 102 | 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] | 103 | char *buildName(const char *dirName, const char *fileName); |
| 104 | int makeString(int argc, const char **argv, char *buf, int bufLen); |
| 105 | char *getChunk(int size); |
| 106 | char *chunkstrdup(const char *str); |
| 107 | void freeChunks(void); |
| 108 | ssize_t safe_read(int fd, void *buf, size_t count); |
| 109 | int full_write(int fd, const char *buf, int len); |
| 110 | int full_read(int fd, char *buf, int len); |
| 111 | int recursive_action(const char *fileName, int recurse, int followLinks, int depthFirst, |
| 112 | int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData), |
| 113 | int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData), |
| 114 | void* userData); |
| 115 | |
| 116 | extern int create_path (const char *name, int mode); |
| 117 | extern int parse_mode( const char* s, mode_t* theMode); |
| 118 | |
| 119 | extern int get_kernel_revision(void); |
| 120 | |
| 121 | extern int get_console_fd(char* tty_name); |
| 122 | extern struct mntent *find_mount_point(const char *name, const char *table); |
| 123 | extern void write_mtab(char* blockDevice, char* directory, |
| 124 | char* filesystemType, long flags, char* string_flags); |
| 125 | extern void erase_mtab(const char * name); |
| 126 | extern void mtab_read(void); |
| 127 | extern char *mtab_first(void **iter); |
| 128 | extern char *mtab_next(void **iter); |
| 129 | extern char *mtab_getinfo(const char *match, const char which); |
| 130 | extern int check_wildcard_match(const char* text, const char* pattern); |
| 131 | extern long atoi_w_units (const char *cp); |
| 132 | extern pid_t* find_pid_by_name( char* pidName); |
| 133 | extern int find_real_root_device_name(char* name); |
| 134 | extern char *get_line_from_file(FILE *file); |
| 135 | extern void print_file(FILE *file); |
| 136 | extern int print_file_by_name(char *filename); |
Eric Andersen | e5dfced | 2001-04-09 22:48:12 +0000 | [diff] [blame] | 137 | extern char process_escape_sequence(const char **ptr); |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 138 | extern char *get_last_path_component(char *path); |
| 139 | extern FILE *wfopen(const char *path, const char *mode); |
| 140 | extern FILE *xfopen(const char *path, const char *mode); |
| 141 | extern void chomp(char *s); |
| 142 | extern void trim(char *s); |
| 143 | extern struct BB_applet *find_applet_by_name(const char *name); |
| 144 | void run_applet_by_name(const char *name, int argc, char **argv); |
| 145 | |
| 146 | #ifndef DMALLOC |
| 147 | extern void *xmalloc (size_t size); |
| 148 | extern void *xrealloc(void *old, size_t size); |
| 149 | extern void *xcalloc(size_t nmemb, size_t size); |
| 150 | extern char *xstrdup (const char *s); |
| 151 | #endif |
| 152 | extern char *xstrndup (const char *s, int n); |
| 153 | extern char * safe_strncpy(char *dst, const char *src, size_t size); |
| 154 | |
| 155 | struct suffix_mult { |
Eric Andersen | e5dfced | 2001-04-09 22:48:12 +0000 | [diff] [blame] | 156 | const char *suffix; |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 157 | int mult; |
| 158 | }; |
| 159 | |
| 160 | extern unsigned long parse_number(const char *numstr, |
| 161 | const struct suffix_mult *suffixes); |
| 162 | |
| 163 | |
| 164 | /* These parse entries in /etc/passwd and /etc/group. This is desirable |
| 165 | * for BusyBox since we want to avoid using the glibc NSS stuff, which |
| 166 | * increases target size and is often not needed embedded systems. */ |
| 167 | extern long my_getpwnam(const char *name); |
| 168 | extern long my_getgrnam(const char *name); |
| 169 | extern void my_getpwuid(char *name, long uid); |
| 170 | extern void my_getgrgid(char *group, long gid); |
| 171 | extern long my_getpwnamegid(const char *name); |
| 172 | |
| 173 | extern int device_open(char *device, int mode); |
| 174 | |
| 175 | extern int del_loop(const char *device); |
| 176 | extern int set_loop(const char *device, const char *file, int offset, int *loopro); |
| 177 | extern char *find_unused_loop_device (void); |
| 178 | |
| 179 | |
| 180 | #if (__GLIBC__ < 2) |
| 181 | extern int vdprintf(int d, const char *format, va_list ap); |
| 182 | #endif |
| 183 | |
| 184 | int nfsmount(const char *spec, const char *node, int *flags, |
| 185 | char **extra_opts, char **mount_opts, int running_bg); |
| 186 | |
| 187 | void syslog_msg_with_name(const char *name, int facility, int pri, const char *msg); |
| 188 | void syslog_msg(int facility, int pri, const char *msg); |
| 189 | |
| 190 | /* Include our own copy of struct sysinfo to avoid binary compatability |
| 191 | * problems with Linux 2.4, which changed things. Grumble, grumble. */ |
| 192 | struct sysinfo { |
| 193 | long uptime; /* Seconds since boot */ |
| 194 | unsigned long loads[3]; /* 1, 5, and 15 minute load averages */ |
| 195 | unsigned long totalram; /* Total usable main memory size */ |
| 196 | unsigned long freeram; /* Available memory size */ |
| 197 | unsigned long sharedram; /* Amount of shared memory */ |
| 198 | unsigned long bufferram; /* Memory used by buffers */ |
| 199 | unsigned long totalswap; /* Total swap space size */ |
| 200 | unsigned long freeswap; /* swap space still available */ |
| 201 | unsigned short procs; /* Number of current processes */ |
| 202 | unsigned long totalhigh; /* Total high memory size */ |
| 203 | unsigned long freehigh; /* Available high memory size */ |
| 204 | unsigned int mem_unit; /* Memory unit size in bytes */ |
| 205 | char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */ |
| 206 | }; |
| 207 | extern int sysinfo (struct sysinfo* info); |
| 208 | |
Matt Kraai | d98e574 | 2001-03-28 20:10:25 +0000 | [diff] [blame] | 209 | 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] | 210 | enum { |
| 211 | KILOBYTE = 1024, |
| 212 | MEGABYTE = (KILOBYTE*1024), |
| 213 | GIGABYTE = (MEGABYTE*1024) |
| 214 | }; |
| 215 | |
| 216 | int ask_confirmation(void); |
Eric Andersen | e76c3b0 | 2001-04-05 03:14:39 +0000 | [diff] [blame] | 217 | int klogctl(int type, char * b, int len); |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 218 | |
Eric Andersen | e5dfced | 2001-04-09 22:48:12 +0000 | [diff] [blame] | 219 | char *xgetcwd(char *cwd); |
Mark Whitley | 8a63326 | 2001-04-30 18:17:00 +0000 | [diff] [blame^] | 220 | char *xreadlink(const char *path); |
Eric Andersen | e5dfced | 2001-04-09 22:48:12 +0000 | [diff] [blame] | 221 | char *concat_path_file(const char *path, const char *filename); |
Eric Andersen | c1bdffe | 2001-04-26 15:56:47 +0000 | [diff] [blame] | 222 | int last_char_is(const char *s, const int c); |
Eric Andersen | e5dfced | 2001-04-09 22:48:12 +0000 | [diff] [blame] | 223 | |
Glenn L McGrath | 9d53c8a | 2001-04-11 01:37:03 +0000 | [diff] [blame] | 224 | typedef struct ar_headers_s { |
| 225 | char *name; |
| 226 | off_t size; |
| 227 | uid_t uid; |
| 228 | gid_t gid; |
| 229 | mode_t mode; |
| 230 | time_t mtime; |
| 231 | off_t offset; |
| 232 | struct ar_headers_s *next; |
| 233 | } ar_headers_t; |
Glenn L McGrath | 4949faf | 2001-04-11 16:23:35 +0000 | [diff] [blame] | 234 | extern ar_headers_t *get_ar_headers(FILE *in_file); |
| 235 | 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] | 236 | |
| 237 | typedef enum extract_function_e { |
| 238 | extract_contents = 1, |
| 239 | extract_control = 2, |
| 240 | extract_info = 4, |
| 241 | extract_extract = 8, |
| 242 | extract_verbose_extract = 16, |
Glenn L McGrath | c9cac5b | 2001-04-12 13:47:12 +0000 | [diff] [blame] | 243 | extract_list = 32, |
Glenn L McGrath | 445fb95 | 2001-04-13 04:02:57 +0000 | [diff] [blame] | 244 | extract_fsys_tarfile = 64, |
Glenn L McGrath | 33431eb | 2001-04-16 04:52:19 +0000 | [diff] [blame] | 245 | extract_field = 128, |
| 246 | extract_contents_to_file = 256 |
Glenn L McGrath | 359c106 | 2001-04-12 10:19:08 +0000 | [diff] [blame] | 247 | } extract_function_t; |
Glenn L McGrath | 33431eb | 2001-04-16 04:52:19 +0000 | [diff] [blame] | 248 | extern char *deb_extract(const char *package_filename, const int function, |
| 249 | const char *argument, const char *argument2); |
| 250 | extern char *untar(FILE *src_tar_file, FILE *output, const int untar_function, |
| 251 | const char *argument, const char *file_prefix); |
Glenn L McGrath | 685f5fd | 2001-04-15 12:51:59 +0000 | [diff] [blame] | 252 | extern char *read_text_file_to_buffer(FILE *src_file); |
| 253 | extern char *read_package_field(const char *package_buffer); |
Glenn L McGrath | 359c106 | 2001-04-12 10:19:08 +0000 | [diff] [blame] | 254 | |
Glenn L McGrath | 7fd9294 | 2001-04-11 03:11:33 +0000 | [diff] [blame] | 255 | extern int unzip(FILE *l_in_file, FILE *l_out_file); |
| 256 | extern void gz_close(int gunzip_pid); |
| 257 | extern int gz_open(FILE *compressed_file, int *pid); |
Glenn L McGrath | 4949faf | 2001-04-11 16:23:35 +0000 | [diff] [blame] | 258 | |
Glenn L McGrath | a283157 | 2001-04-12 00:49:26 +0000 | [diff] [blame] | 259 | #define CT_AUTO 0 |
| 260 | #define CT_UNIX2DOS 1 |
| 261 | #define CT_DOS2UNIX 2 |
Matt Kraai | 1e04ea3 | 2001-04-12 21:38:06 +0000 | [diff] [blame] | 262 | /* extern int convert(char *fn, int ConvType); */ |
Glenn L McGrath | a283157 | 2001-04-12 00:49:26 +0000 | [diff] [blame] | 263 | |
Matt Kraai | 91b2855 | 2001-04-23 18:53:07 +0000 | [diff] [blame] | 264 | enum { |
Matt Kraai | 0144103 | 2001-04-24 01:30:02 +0000 | [diff] [blame] | 265 | FILEUTILS_PRESERVE_STATUS = 1, |
| 266 | FILEUTILS_PRESERVE_SYMLINKS = 2, |
| 267 | FILEUTILS_RECUR = 4, |
| 268 | FILEUTILS_FORCE = 8, |
| 269 | FILEUTILS_INTERACTIVE = 16 |
Matt Kraai | 91b2855 | 2001-04-23 18:53:07 +0000 | [diff] [blame] | 270 | }; |
| 271 | |
Eric Andersen | 6f34394 | 2001-04-30 18:08:03 +0000 | [diff] [blame] | 272 | extern const char * const applet_name; |
| 273 | extern const char * const full_version; |
| 274 | extern const char * const name_too_long; |
| 275 | extern const char * const omitting_directory; |
| 276 | extern const char * const not_a_directory; |
| 277 | extern const char * const memory_exhausted; |
| 278 | extern const char * const invalid_date; |
| 279 | extern const char * const invalid_option; |
| 280 | extern const char * const io_error; |
| 281 | extern const char * const dash_dash_help; |
| 282 | extern const char * const write_error; |
| 283 | extern const char * const too_few_args; |
| 284 | extern const char * const name_longer_than_foo; |
Matt Kraai | 9ff9325 | 2001-04-24 01:12:33 +0000 | [diff] [blame] | 285 | |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 286 | #endif /* __LIBBB_H__ */ |