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>
40 #ifndef _BB_INTERNAL_H_
41 #include "../busybox.h"
44 #if (__GNU_LIBRARY__ < 5) && (!defined __dietlibc__)
45 /* libc5 doesn't define socklen_t */
46 typedef unsigned int socklen_t;
47 /* libc5 doesn't implement BSD 4.4 daemon() */
48 extern int daemon (int nochdir, int noclose);
49 /* libc5 doesn't implement strtok_r */
50 char *strtok_r(char *s, const char *delim, char **ptrptr);
53 /* Some useful definitions */
54 #define FALSE ((int) 0)
55 #define TRUE ((int) 1)
56 #define SKIP ((int) 2)
59 #define MTAB_GETMOUNTPT '1'
60 #define MTAB_GETDEVICE '2'
63 #define EXPAND_ALLOC 1024
65 static inline int is_decimal(int ch) { return ((ch >= '0') && (ch <= '9')); }
66 static inline int is_octal(int ch) { return ((ch >= '0') && (ch <= '7')); }
68 /* Macros for min/max. */
70 #define MIN(a,b) (((a)<(b))?(a):(b))
74 #define MAX(a,b) (((a)>(b))?(a):(b))
79 extern void show_usage(void) __attribute__ ((noreturn));
80 extern void error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
81 extern void error_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
82 extern void perror_msg(const char *s, ...);
83 extern void perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
84 extern void vherror_msg(const char *s, va_list p);
85 extern void herror_msg(const char *s, ...);
86 extern void herror_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
88 /* These two are used internally -- you shouldn't need to use them */
89 extern void verror_msg(const char *s, va_list p);
90 extern void vperror_msg(const char *s, va_list p);
92 const char *mode_string(int mode);
93 const char *time_string(time_t timeVal);
94 int is_directory(const char *name, int followLinks, struct stat *statBuf);
95 int isDevice(const char *name);
97 int remove_file(const char *path, int flags);
98 int copy_file(const char *source, const char *dest, int flags);
99 int copy_file_chunk(FILE *src_file, FILE *dst_file, unsigned long long chunksize);
100 char *buildName(const char *dirName, const char *fileName);
101 int makeString(int argc, const char **argv, char *buf, int bufLen);
102 char *getChunk(int size);
103 char *chunkstrdup(const char *str);
104 void freeChunks(void);
105 ssize_t safe_read(int fd, void *buf, size_t count);
106 int full_write(int fd, const char *buf, int len);
107 int full_read(int fd, char *buf, int len);
108 int recursive_action(const char *fileName, int recurse, int followLinks, int depthFirst,
109 int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData),
110 int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData),
113 extern int parse_mode( const char* s, mode_t* theMode);
115 extern int get_kernel_revision(void);
117 extern int get_console_fd(char* tty_name);
118 extern struct mntent *find_mount_point(const char *name, const char *table);
119 extern void write_mtab(char* blockDevice, char* directory,
120 char* filesystemType, long flags, char* string_flags);
121 extern void erase_mtab(const char * name);
122 extern long atoi_w_units (const char *cp);
123 extern pid_t* find_pid_by_name( char* pidName);
124 extern char *find_real_root_device_name(const char* name);
125 extern char *get_line_from_file(FILE *file);
126 extern void print_file(FILE *file);
127 extern int copyfd(int fd1, int fd2);
128 extern int print_file_by_name(char *filename);
129 extern char process_escape_sequence(const char **ptr);
130 extern char *get_last_path_component(char *path);
131 extern FILE *wfopen(const char *path, const char *mode);
132 extern FILE *xfopen(const char *path, const char *mode);
133 extern void chomp(char *s);
134 extern void trim(char *s);
135 extern struct BB_applet *find_applet_by_name(const char *name);
136 void run_applet_by_name(const char *name, int argc, char **argv);
139 extern void *xmalloc (size_t size);
140 extern void *xrealloc(void *old, size_t size);
141 extern void *xcalloc(size_t nmemb, size_t size);
142 extern char *xstrdup (const char *s);
144 extern char *xstrndup (const char *s, int n);
145 extern char * safe_strncpy(char *dst, const char *src, size_t size);
152 extern unsigned long parse_number(const char *numstr,
153 const struct suffix_mult *suffixes);
156 /* These parse entries in /etc/passwd and /etc/group. This is desirable
157 * for BusyBox since we want to avoid using the glibc NSS stuff, which
158 * increases target size and is often not needed embedded systems. */
159 extern long my_getpwnam(const char *name);
160 extern long my_getgrnam(const char *name);
161 extern void my_getpwuid(char *name, long uid);
162 extern void my_getgrgid(char *group, long gid);
163 extern long my_getpwnamegid(const char *name);
165 extern int device_open(char *device, int mode);
167 extern int del_loop(const char *device);
168 extern int set_loop(const char *device, const char *file, int offset, int *loopro);
169 extern char *find_unused_loop_device (void);
173 extern int vdprintf(int d, const char *format, va_list ap);
176 int nfsmount(const char *spec, const char *node, int *flags,
177 char **extra_opts, char **mount_opts, int running_bg);
179 void syslog_msg_with_name(const char *name, int facility, int pri, const char *msg);
180 void syslog_msg(int facility, int pri, const char *msg);
182 /* Include our own copy of struct sysinfo to avoid binary compatability
183 * problems with Linux 2.4, which changed things. Grumble, grumble. */
185 long uptime; /* Seconds since boot */
186 unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
187 unsigned long totalram; /* Total usable main memory size */
188 unsigned long freeram; /* Available memory size */
189 unsigned long sharedram; /* Amount of shared memory */
190 unsigned long bufferram; /* Memory used by buffers */
191 unsigned long totalswap; /* Total swap space size */
192 unsigned long freeswap; /* swap space still available */
193 unsigned short procs; /* Number of current processes */
194 unsigned short pad; /* Padding needed for m68k */
195 unsigned long totalhigh; /* Total high memory size */
196 unsigned long freehigh; /* Available high memory size */
197 unsigned int mem_unit; /* Memory unit size in bytes */
198 char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
200 extern int sysinfo (struct sysinfo* info);
204 MEGABYTE = (KILOBYTE*1024),
205 GIGABYTE = (MEGABYTE*1024)
207 const char *make_human_readable_str(unsigned long size, unsigned long block_size, unsigned long display_unit);
209 int ask_confirmation(void);
210 int klogctl(int type, char * b, int len);
212 char *xgetcwd(char *cwd);
213 char *xreadlink(const char *path);
214 char *concat_path_file(const char *path, const char *filename);
215 char *last_char_is(const char *s, int c);
217 extern long arith (const char *startbuf, int *errcode);
219 typedef struct file_headers_s {
229 file_header_t *get_header_ar(FILE *in_file);
230 file_header_t *get_header_cpio(FILE *src_stream);
231 file_header_t *get_header_tar(FILE *tar_stream);
233 enum extract_functions_e {
234 extract_verbose_list = 1,
236 extract_one_to_buffer = 4,
237 extract_to_stdout = 8,
238 extract_all_to_fs = 16,
239 extract_preserve_date = 32,
240 extract_data_tar_gz = 64,
241 extract_control_tar_gz = 128,
242 extract_unzip_only = 256,
243 extract_unconditional = 512,
244 extract_create_leading_dirs = 1024,
245 extract_quiet = 2048,
246 extract_exclude_list = 4096
248 char *unarchive(FILE *src_stream, FILE *out_stream, file_header_t *(*get_header)(FILE *),
249 const int extract_function, const char *prefix, char **extract_names);
250 char *deb_extract(const char *package_filename, FILE *out_stream, const int extract_function,
251 const char *prefix, const char *filename);
252 int read_package_field(const char *package_buffer, char **field_name, char **field_value);
253 char *fgets_str(FILE *file, const char *terminating_string);
255 extern int unzip(FILE *l_in_file, FILE *l_out_file);
256 extern void gz_close(int gunzip_pid);
257 extern FILE *gz_open(FILE *compressed_file, int *pid);
259 extern struct hostent *xgethostbyname(const char *name);
260 extern int create_icmp_socket(void);
262 char *dirname (const char *path);
264 int make_directory (char *path, long mode, int flags);
266 const char *u_signal_names(const char *str_sig, int *signo, int startnum);
267 char *simplify_path(const char *path);
270 #define CT_UNIX2DOS 1
271 #define CT_DOS2UNIX 2
272 /* extern int convert(char *fn, int ConvType); */
275 FILEUTILS_PRESERVE_STATUS = 1,
276 FILEUTILS_PRESERVE_SYMLINKS = 2,
279 FILEUTILS_INTERACTIVE = 16
282 extern const char *applet_name;
283 extern const char * const full_version;
284 extern const char * const name_too_long;
285 extern const char * const omitting_directory;
286 extern const char * const not_a_directory;
287 extern const char * const memory_exhausted;
288 extern const char * const invalid_date;
289 extern const char * const invalid_option;
290 extern const char * const io_error;
291 extern const char * const dash_dash_help;
292 extern const char * const write_error;
293 extern const char * const too_few_args;
294 extern const char * const name_longer_than_foo;
295 extern const char * const unknown;
296 extern const char * const can_not_create_raw_socket;
298 #ifdef BB_FEATURE_DEVFS
299 # define CURRENT_VC "/dev/vc/0"
300 # define VC_1 "/dev/vc/1"
301 # define VC_2 "/dev/vc/2"
302 # define VC_3 "/dev/vc/3"
303 # define VC_4 "/dev/vc/4"
304 # define VC_5 "/dev/vc/5"
305 # define SC_0 "/dev/tts/0"
306 # define SC_1 "/dev/tts/1"
307 # define VC_FORMAT "/dev/vc/%d"
308 # define SC_FORMAT "/dev/tts/%d"
310 # define CURRENT_VC "/dev/tty0"
311 # define VC_1 "/dev/tty1"
312 # define VC_2 "/dev/tty2"
313 # define VC_3 "/dev/tty3"
314 # define VC_4 "/dev/tty4"
315 # define VC_5 "/dev/tty5"
316 # define SC_0 "/dev/ttyS0"
317 # define SC_1 "/dev/ttyS1"
318 # define VC_FORMAT "/dev/tty%d"
319 # define SC_FORMAT "/dev/ttyS%d"
322 /* The following devices are the same on devfs and non-devfs systems. */
323 #define CURRENT_TTY "/dev/tty"
324 #define CONSOLE_DEV "/dev/console"
326 #endif /* __LIBBB_H__ */