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.
30 #include <sys/types.h>
38 #ifndef _BB_INTERNAL_H_
39 #include "../busybox.h"
42 #if __GNU_LIBRARY__ < 5
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);
49 /* Some useful definitions */
50 #define FALSE ((int) 0)
51 #define TRUE ((int) 1)
52 #define SKIP ((int) 2)
55 #define MTAB_GETMOUNTPT '1'
56 #define MTAB_GETDEVICE '2'
59 #define EXPAND_ALLOC 1024
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')); }
64 /* Macros for min/max. */
66 #define MIN(a,b) (((a)<(b))?(a):(b))
70 #define MAX(a,b) (((a)>(b))?(a):(b))
75 extern void show_usage(void) __attribute__ ((noreturn));
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)));
78 extern void perror_msg(const char *s, ...);
79 extern void perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
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);
85 const char *mode_string(int mode);
86 const char *time_string(time_t timeVal);
87 int is_directory(const char *name, int followLinks, struct stat *statBuf);
88 int isDevice(const char *name);
90 typedef struct ino_dev_hash_bucket_struct {
91 struct ino_dev_hash_bucket_struct *next;
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);
100 int remove_file(const char *path, int flags);
101 int copy_file(const char *source, const char *dest, int flags);
102 int copy_file_chunk(FILE *src_file, FILE *dst_file, unsigned long long chunksize);
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),
116 extern int create_path (const char *name, int mode);
117 extern int parse_mode( const char* s, mode_t* theMode);
119 extern int get_kernel_revision(void);
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 long atoi_w_units (const char *cp);
131 extern pid_t* find_pid_by_name( char* pidName);
132 extern int find_real_root_device_name(char* name);
133 extern char *get_line_from_file(FILE *file);
134 extern void print_file(FILE *file);
135 extern int print_file_by_name(char *filename);
136 extern char process_escape_sequence(const char **ptr);
137 extern char *get_last_path_component(char *path);
138 extern FILE *wfopen(const char *path, const char *mode);
139 extern FILE *xfopen(const char *path, const char *mode);
140 extern void chomp(char *s);
141 extern void trim(char *s);
142 extern struct BB_applet *find_applet_by_name(const char *name);
143 void run_applet_by_name(const char *name, int argc, char **argv);
146 extern void *xmalloc (size_t size);
147 extern void *xrealloc(void *old, size_t size);
148 extern void *xcalloc(size_t nmemb, size_t size);
149 extern char *xstrdup (const char *s);
151 extern char *xstrndup (const char *s, int n);
152 extern char * safe_strncpy(char *dst, const char *src, size_t size);
159 extern unsigned long parse_number(const char *numstr,
160 const struct suffix_mult *suffixes);
163 /* These parse entries in /etc/passwd and /etc/group. This is desirable
164 * for BusyBox since we want to avoid using the glibc NSS stuff, which
165 * increases target size and is often not needed embedded systems. */
166 extern long my_getpwnam(const char *name);
167 extern long my_getgrnam(const char *name);
168 extern void my_getpwuid(char *name, long uid);
169 extern void my_getgrgid(char *group, long gid);
170 extern long my_getpwnamegid(const char *name);
172 extern int device_open(char *device, int mode);
174 extern int del_loop(const char *device);
175 extern int set_loop(const char *device, const char *file, int offset, int *loopro);
176 extern char *find_unused_loop_device (void);
180 extern int vdprintf(int d, const char *format, va_list ap);
183 int nfsmount(const char *spec, const char *node, int *flags,
184 char **extra_opts, char **mount_opts, int running_bg);
186 void syslog_msg_with_name(const char *name, int facility, int pri, const char *msg);
187 void syslog_msg(int facility, int pri, const char *msg);
189 /* Include our own copy of struct sysinfo to avoid binary compatability
190 * problems with Linux 2.4, which changed things. Grumble, grumble. */
192 long uptime; /* Seconds since boot */
193 unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
194 unsigned long totalram; /* Total usable main memory size */
195 unsigned long freeram; /* Available memory size */
196 unsigned long sharedram; /* Amount of shared memory */
197 unsigned long bufferram; /* Memory used by buffers */
198 unsigned long totalswap; /* Total swap space size */
199 unsigned long freeswap; /* swap space still available */
200 unsigned short procs; /* Number of current processes */
201 unsigned long totalhigh; /* Total high memory size */
202 unsigned long freehigh; /* Available high memory size */
203 unsigned int mem_unit; /* Memory unit size in bytes */
204 char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
206 extern int sysinfo (struct sysinfo* info);
208 const char *make_human_readable_str(unsigned long val, unsigned long not_hr);
211 MEGABYTE = (KILOBYTE*1024),
212 GIGABYTE = (MEGABYTE*1024)
215 int ask_confirmation(void);
216 int klogctl(int type, char * b, int len);
218 char *xgetcwd(char *cwd);
219 char *xreadlink(const char *path);
220 char *concat_path_file(const char *path, const char *filename);
221 char *last_char_is(char *s, int c);
223 typedef struct ar_headers_s {
231 struct ar_headers_s *next;
233 extern ar_headers_t *get_ar_headers(FILE *in_file);
234 extern int seek_ared_file(FILE *in_file, ar_headers_t *headers, const char *tar_gz_file);
236 typedef enum extract_function_e {
237 extract_contents = 1,
241 extract_verbose_extract = 16,
243 extract_fsys_tarfile = 64,
245 extract_contents_to_file = 256
246 } extract_function_t;
247 extern char *deb_extract(const char *package_filename, int function,
248 const char *argument, const char *argument2);
249 extern char *untar(FILE *src_tar_file, FILE *output, int untar_function,
250 const char *argument, const char *file_prefix);
251 extern char *read_text_file_to_buffer(FILE *src_file);
252 extern char *read_package_field(const char *package_buffer);
254 extern int unzip(FILE *l_in_file, FILE *l_out_file);
255 extern void gz_close(int gunzip_pid);
256 extern int gz_open(FILE *compressed_file, int *pid);
259 #define CT_UNIX2DOS 1
260 #define CT_DOS2UNIX 2
261 /* extern int convert(char *fn, int ConvType); */
264 FILEUTILS_PRESERVE_STATUS = 1,
265 FILEUTILS_PRESERVE_SYMLINKS = 2,
268 FILEUTILS_INTERACTIVE = 16
271 extern const char *applet_name;
272 extern const char * const full_version;
273 extern const char * const name_too_long;
274 extern const char * const omitting_directory;
275 extern const char * const not_a_directory;
276 extern const char * const memory_exhausted;
277 extern const char * const invalid_date;
278 extern const char * const invalid_option;
279 extern const char * const io_error;
280 extern const char * const dash_dash_help;
281 extern const char * const write_error;
282 extern const char * const too_few_args;
283 extern const char * const name_longer_than_foo;
284 extern const char * const unknown;
286 #endif /* __LIBBB_H__ */