1/* Definitions for using a zipped' archive.
2   Copyright (C) 1996-2015 Free Software Foundation, Inc.
3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 3, or (at your option)
9any later version.
10
11GCC is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with GCC; see the file COPYING3.  If not see
18<http://www.gnu.org/licenses/>.
19
20Java and all Java-based marks are trademarks or registered trademarks
21of Sun Microsystems, Inc. in the United States and other countries.
22The Free Software Foundation is independent of Sun Microsystems, Inc.  */
23
24struct ZipFile {
25  char *name;
26  int fd;
27  long size;
28  long count;
29  long dir_size;
30  char *central_directory;
31
32  /* Chain together in SeenZipFiles. */
33  struct ZipFile *next;
34};
35
36typedef struct ZipFile ZipFile;
37
38struct ZipDirectory {
39  int direntry_size;
40  int filename_offset;
41  int compression_method;
42  unsigned size; /* length of file */
43  unsigned uncompressed_size; /* length of uncompressed data */
44  unsigned filestart;  /* start of file in archive */
45  ZipFile *zipf;
46  int filename_length;
47  /* char mid_padding[...]; */
48  /* char filename[filename_length]; */
49  /* char end_padding[...]; */
50};
51
52typedef struct ZipDirectory ZipDirectory;
53
54extern struct ZipFile *SeenZipFiles;
55
56#define ZIPDIR_FILENAME(ZIPD) ((char*)(ZIPD)+(ZIPD)->filename_offset)
57#define ZIPDIR_NEXT(ZIPD) \
58   ((ZipDirectory*)((char*)(ZIPD)+(ZIPD)->direntry_size))
59#define ZIPMAGIC 0x504b0304
60#define ZIPEMPTYMAGIC 0x504b0506
61
62extern ZipFile * opendir_in_zip (const char *, int);
63extern int read_zip_archive (ZipFile *);
64#ifdef GCC_JCF_H
65extern int read_zip_member (JCF*, ZipDirectory*, ZipFile *);
66extern int open_in_zip (struct JCF *, const char *, const char *, int);
67#endif
68