summaryrefslogtreecommitdiff
path: root/dpkg-split/dpkg-split.h
blob: 64b331accc92f6083d9654a8ab7f01c99d142869 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
/*
 * dpkg-split - splitting and joining of multipart *.deb archives
 * dpkg-split.h - external definitions for this program
 *
 * Copyright © 1995 Ian Jackson <ian@chiark.greenend.org.uk>
 *
 * This is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef DPKG_SPLIT_H
#define DPKG_SPLIT_H

typedef void dofunction(const char *const *argv);
dofunction do_split DPKG_ATTR_NORET;
dofunction do_join, do_info, do_auto, do_queue, do_discard;

struct partinfo {
  const char *filename;
  const char *fmtversion;
  const char *package;
  const char *version;
  const char *md5sum;
  unsigned long orglength;
  unsigned int thispartn, maxpartn;
  unsigned long maxpartlen;
  unsigned long thispartoffset;
  size_t thispartlen;
  size_t headerlen; /* size of header in part file */
  off_t filesize;
};

struct partqueue {
  struct partqueue *nextinqueue;
  struct partinfo info;
  /* only fields filename, md5sum, maxpartlen, thispartn, maxpartn
   * are valid; the rest are null.  If the file is not named correctly
   * to be a part file md5sum is null too and the numbers are zero.
   */
};

extern dofunction *action;
extern const struct cmdinfo *cipaction;
extern long maxpartsize;
extern const char *depotdir, *outputfile;
extern struct partqueue *queue;
extern int npquiet, msdos;

void rerr(const char *fn) DPKG_ATTR_NORET;
void rerreof(FILE *f, const char *fn) DPKG_ATTR_NORET;
void print_info(const struct partinfo *pi);
struct partinfo *read_info(FILE *partfile, const char *fn, struct partinfo *ir);

void scandepot(void);
void reassemble(struct partinfo **partlist, const char *outputfile);
void mustgetpartinfo(const char *filename, struct partinfo *ri);
void addtopartlist(struct partinfo**, struct partinfo*, struct partinfo *refi);

#define SPLITVERSION       "2.1"

#define PARTSDIR          "parts/"

#define PARTMAGIC         "debian-split"
#define HEADERALLOWANCE    1024

#define SPLITPARTDEFMAX    (450 * 1024)

#endif /* DPKG_SPLIT_H */