dpkg-split/dpkg-split.h

   1 /*
   2  * dpkg-split - splitting and joining of multipart *.deb archives
   3  * dpkg-split.h - external definitions for this program
   4  *
   5  * Copyright © 1995 Ian Jackson <ian@chiark.greenend.org.uk>
   6  *
   7  * This is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #ifndef DPKG_SPLIT_H
  22 #define DPKG_SPLIT_H
  23
  24 typedef void dofunction(const char *const *argv);
  25 dofunction do_split DPKG_ATTR_NORET;
  26 dofunction do_join, do_info, do_auto, do_queue, do_discard;
  27
  28 struct partinfo {
  29   const char *filename;
  30   const char *fmtversion;
  31   const char *package;
  32   const char *version;
  33   const char *md5sum;
  34   unsigned long orglength;
  35   unsigned int thispartn, maxpartn;
  36   unsigned long maxpartlen;
  37   unsigned long thispartoffset;
  38   size_t thispartlen;
  39   size_t headerlen; /* size of header in part file */
  40   off_t filesize;
  41 };
  42
  43 struct partqueue {
  44   struct partqueue *nextinqueue;
  45   struct partinfo info;
  46   /* only fields filename, md5sum, maxpartlen, thispartn, maxpartn
  47    * are valid; the rest are null.  If the file is not named correctly
  48    * to be a part file md5sum is null too and the numbers are zero.
  49    */
  50 };
  51
  52 extern dofunction *action;
  53 extern const struct cmdinfo *cipaction;
  54 extern long maxpartsize;
  55 extern const char *depotdir, *outputfile;
  56 extern struct partqueue *queue;
  57 extern int npquiet, msdos;
  58
  59 void rerr(const char *fn) DPKG_ATTR_NORET;
  60 void rerreof(FILE *f, const char *fn) DPKG_ATTR_NORET;
  61 void print_info(const struct partinfo *pi);
  62 struct partinfo *read_info(FILE *partfile, const char *fn, struct partinfo *ir);
  63
  64 void scandepot(void);
  65 void reassemble(struct partinfo **partlist, const char *outputfile);
  66 void mustgetpartinfo(const char *filename, struct partinfo *ri);
  67 void addtopartlist(struct partinfo**, struct partinfo*, struct partinfo *refi);
  68
  69 #define SPLITVERSION       "2.1"
  70
  71 #define PARTSDIR          "parts/"
  72
  73 #define PARTMAGIC         "!<arch>\ndebian-split    "
  74 #define HEADERALLOWANCE    1024
  75
  76 #define SPLITPARTDEFMAX    (450 * 1024)
  77
  78 #endif /* DPKG_SPLIT_H */