libbb/libbb.h

   1 /* vi: set sw=4 ts=4: */
   2 /*
   3  * Busybox main internal header file
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  18  */
  19
  20 #ifndef __LIBBB_H__
  21 #define __LIBBB_H__    1
  22
  23 #include <stdio.h>
  24 #include <stdarg.h>
  25 #include <sys/stat.h>
  26 #include <sys/types.h>
  27
  28 #include <netdb.h>
  29
  30 #include <features.h>
  31
  32 #ifndef FALSE
  33 #define FALSE   ((int) 0)
  34 #endif
  35
  36 #ifndef TRUE
  37 #define TRUE    ((int) 1)
  38 #endif
  39
  40 extern void error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
  41 extern void error_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
  42 extern void perror_msg(const char *s, ...);
  43 extern void perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
  44 extern void archive_xread_all(int fd, char *buf, size_t count);
  45
  46 /* These two are used internally -- you shouldn't need to use them */
  47 extern void verror_msg(const char *s, va_list p);
  48 extern void vperror_msg(const char *s, va_list p);
  49
  50 const char *mode_string(int mode);
  51 const char *time_string(time_t timeVal);
  52
  53 int copy_file(const char *source, const char *dest, int flags);
  54 int copy_file_chunk(FILE *src_file, FILE *dst_file, unsigned long long chunksize);
  55 ssize_t safe_read(int fd, void *buf, size_t count);
  56 ssize_t full_read(int fd, char *buf, int len);
  57
  58 extern int parse_mode( const char* s, mode_t* theMode);
  59
  60 extern FILE *wfopen(const char *path, const char *mode);
  61 extern FILE *xfopen(const char *path, const char *mode);
  62
  63 extern void *xmalloc (size_t size);
  64 extern void *xrealloc(void *old, size_t size);
  65 extern void *xcalloc(size_t nmemb, size_t size);
  66 extern char *xstrdup (const char *s);
  67 extern char *xstrndup (const char *s, int n);
  68 extern char *safe_strncpy(char *dst, const char *src, size_t size);
  69
  70 char *xreadlink(const char *path);
  71 char *concat_path_file(const char *path, const char *filename);
  72 char *last_char_is(const char *s, int c);
  73
  74 typedef struct file_headers_s {
  75         char *name;
  76         char *link_name;
  77         off_t size;
  78         uid_t uid;
  79         gid_t gid;
  80         mode_t mode;
  81         time_t mtime;
  82         dev_t device;
  83 } file_header_t;
  84
  85 enum extract_functions_e {
  86         extract_verbose_list = 1,
  87         extract_list = 2,
  88         extract_one_to_buffer = 4,
  89         extract_to_stream = 8,
  90         extract_all_to_fs = 16,
  91         extract_preserve_date = 32,
  92         extract_data_tar_gz = 64,
  93         extract_control_tar_gz = 128,
  94         extract_unzip_only = 256,
  95         extract_unconditional = 512,
  96         extract_create_leading_dirs = 1024,
  97         extract_quiet = 2048,
  98         extract_exclude_list = 4096
  99 };
 100
 101 char *deb_extract(const char *package_filename, FILE *out_stream,
 102                 const int extract_function, const char *prefix,
 103                 const char *filename, int *err);
 104
 105 extern int unzip(FILE *l_in_file, FILE *l_out_file);
 106 extern int gz_close(int gunzip_pid);
 107 extern FILE *gz_open(FILE *compressed_file, int *pid);
 108
 109 int make_directory (const char *path, long mode, int flags);
 110
 111 enum {
 112         FILEUTILS_PRESERVE_STATUS = 1,
 113         FILEUTILS_PRESERVE_SYMLINKS = 2,
 114         FILEUTILS_RECUR = 4,
 115         FILEUTILS_FORCE = 8,
 116 };
 117
 118 extern const char *applet_name;
 119 extern const char * const memory_exhausted;
 120
 121 #endif /* __LIBBB_H__ */