contrib/cpio/extern.h

   1 /* extern.h - External declarations for cpio.  Requires system.h.
   2    Copyright (C) 1990, 1991, 1992 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2, or (at your option)
   7    any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, write to the Free Software
  16    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  17
  18 enum archive_format
  19 {
  20   arf_unknown, arf_binary, arf_oldascii, arf_newascii, arf_crcascii,
  21   arf_tar, arf_ustar, arf_hpoldascii, arf_hpbinary
  22 };
  23 extern enum archive_format archive_format;
  24 extern int reset_time_flag;
  25 extern int io_block_size;
  26 extern int create_dir_flag;
  27 extern int rename_flag;
  28 extern char *rename_batch_file;
  29 extern int table_flag;
  30 extern int unconditional_flag;
  31 extern int verbose_flag;
  32 extern int dot_flag;
  33 extern int link_flag;
  34 extern int retain_time_flag;
  35 extern int crc_i_flag;
  36 extern int append_flag;
  37 extern int swap_bytes_flag;
  38 extern int swap_halfwords_flag;
  39 extern int swapping_bytes;
  40 extern int swapping_halfwords;
  41 extern int set_owner_flag;
  42 extern uid_t set_owner;
  43 extern int set_group_flag;
  44 extern gid_t set_group;
  45 extern int no_chown_flag;
  46 extern int sparse_flag;
  47 extern int quiet_flag;
  48 extern int only_verify_crc_flag;
  49 extern int no_abs_paths_flag;
  50
  51 extern int last_header_start;
  52 extern int copy_matching_files;
  53 extern int numeric_uid;
  54 extern char *pattern_file_name;
  55 extern char *new_media_message;
  56 extern char *new_media_message_with_number;
  57 extern char *new_media_message_after_number;
  58 extern int archive_des;
  59 extern char *archive_name;
  60 extern unsigned long crc;
  61 #ifdef DEBUG_CPIO
  62 extern int debug_flag;
  63 #endif
  64
  65 extern char *input_buffer, *output_buffer;
  66 extern char *in_buff, *out_buff;
  67 extern long input_buffer_size;
  68 extern long input_size, output_size;
  69 #ifdef __GNUC__
  70 extern long long input_bytes, output_bytes;
  71 #else
  72 extern long input_bytes, output_bytes;
  73 #endif
  74 extern char zeros_512[];
  75 extern char *directory_name;
  76 extern char **save_patterns;
  77 extern int num_patterns;
  78 extern char name_end;
  79 extern char input_is_special;
  80 extern char output_is_special;
  81 extern char input_is_seekable;
  82 extern char output_is_seekable;
  83 extern int f_force_local;
  84 extern char *program_name;
  85 extern int (*xstat) ();
  86 extern void (*copy_function) ();
  87 \f
  88 #if __STDC__ || defined(__MSDOS__)
  89 # define P_(s) s
  90 #else
  91 # define P_(s) ()
  92 #endif
  93
  94 /* copyin.c */
  95 void read_in_header P_((struct new_cpio_header *file_hdr, int in_des));
  96 void read_in_old_ascii P_((struct new_cpio_header *file_hdr, int in_des));
  97 void read_in_new_ascii P_((struct new_cpio_header *file_hdr, int in_des));
  98 void read_in_binary P_((struct new_cpio_header *file_hdr, int in_des));
  99 void swab_array P_((char *arg, int count));
 100 void process_copy_in P_((void));
 101 void long_format P_((struct new_cpio_header *file_hdr, char *link_name));
 102 void print_name_with_quoting P_((char *p));
 103
 104 /* copyout.c */
 105 void write_out_header P_((struct new_cpio_header *file_hdr, int out_des));
 106 void process_copy_out P_((void));
 107
 108 /* copypass.c */
 109 void process_copy_pass P_((void));
 110 int link_to_maj_min_ino P_((char *file_name, int st_dev_maj,
 111                             int st_dev_min, int st_ino));
 112 int link_to_name P_((char *link_name, char *link_target));
 113
 114 /* dirname.c */
 115 char *dirname P_((char *path));
 116
 117 /* error.c */
 118 void error P_((int status, int errnum, char *message, ...));
 119
 120 /* filemode.c */
 121 void mode_string P_((unsigned int mode, char *str));
 122
 123 /* idcache.c */
 124 #ifndef __MSDOS__
 125 char *getgroup ();
 126 char *getuser ();
 127 uid_t *getuidbyname ();
 128 gid_t *getgidbyname ();
 129 #endif
 130
 131 /* lchown.c */
 132 #ifdef HAVE_LCHOWN
 133 int lchown P_((const char *path, uid_t owner, gid_t group));
 134 #endif
 135
 136 /* main.c */
 137 void process_args P_((int argc, char *argv[]));
 138 void initialize_buffers P_((void));
 139
 140 /* makepath.c */
 141 int make_path P_((char *argpath, int mode, int parent_mode,
 142                   uid_t owner, gid_t group, char *verbose_fmt_string));
 143
 144 /* stripslash.c */
 145 void strip_trailing_slashes P_((char *path));
 146
 147 /* tar.c */
 148 void write_out_tar_header P_((struct new_cpio_header *file_hdr, int out_des));
 149 int null_block P_((long *block, int size));
 150 void read_in_tar_header P_((struct new_cpio_header *file_hdr, int in_des));
 151 int otoa P_((char *s, unsigned long *n));
 152 int is_tar_header P_((char *buf));
 153 int is_tar_filename_too_long P_((char *name));
 154
 155 /* userspec.c */
 156 #ifndef __MSDOS__
 157 char *parse_user_spec P_((char *name, uid_t *uid, gid_t *gid,
 158                           char **username, char **groupname));
 159 #endif
 160
 161 /* util.c */
 162 void tape_empty_output_buffer P_((int out_des));
 163 void disk_empty_output_buffer P_((int out_des));
 164 void swahw_array P_((char *ptr, int count));
 165 void tape_buffered_write P_((char *in_buf, int out_des, long num_bytes));
 166 void tape_buffered_read P_((char *in_buf, int in_des, long num_bytes));
 167 int tape_buffered_peek P_((char *peek_buf, int in_des, int num_bytes));
 168 void tape_toss_input P_((int in_des, long num_bytes));
 169 void copy_files_tape_to_disk P_((int in_des, int out_des, long num_bytes));
 170 void copy_files_disk_to_tape P_((int in_des, int out_des, long num_bytes, char *filename));
 171 void copy_files_disk_to_disk P_((int in_des, int out_des, long num_bytes, char *filename));
 172 void create_all_directories P_((char *name));
 173 void prepare_append P_((int out_file_des));
 174 char *find_inode_file P_((unsigned long node_num,
 175                           unsigned long major_num, unsigned long minor_num));
 176 void add_inode P_((unsigned long node_num, char *file_name,
 177                    unsigned long major_num, unsigned long minor_num));
 178 int open_archive P_((char *file));
 179 void tape_offline P_((int tape_des));
 180 void get_next_reel P_((int tape_des));
 181 void set_new_media_message P_((char *message));
 182 #if defined(__MSDOS__) && !defined(__GNUC__)
 183 int chown P_((char *path, int owner, int group));
 184 #endif
 185 #ifdef __TURBOC__
 186 int utime P_((char *filename, struct utimbuf *utb));
 187 #endif
 188 #ifdef HPUX_CDF
 189 char *add_cdf_double_slashes P_((char *filename));
 190 #endif
 191
 192 /* xmalloc.c */
 193 char *xmalloc P_((unsigned n));
 194 char *xrealloc P_((char *p, unsigned n));
 195
 196 /* xstrdup.c */
 197 char *xstrdup P_((char *string));
 198
 199 #define DISK_IO_BLOCK_SIZE      (512)