xref: /openbsd/gnu/usr.bin/gcc/gcc/java/zipfile.h (revision c87b03e5)
1 /* Definitions for using a zipped' archive.
2 
3    Copyright (C) 1996, 1997, 1998, 1999, 2000  Free Software Foundation, Inc.
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, or (at your option)
8 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
13 GNU General Public License for more details.
14 
15 You should have received a copy of the GNU General Public License
16 along with GNU CC; see the file COPYING.  If not, write to
17 the Free Software Foundation, 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
19 
20 Java and all Java-based marks are trademarks or registered trademarks
21 of Sun Microsystems, Inc. in the United States and other countries.
22 The Free Software Foundation is independent of Sun Microsystems, Inc.  */
23 
24 struct 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 
36 typedef struct ZipFile ZipFile;
37 
38 struct 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 
52 typedef struct ZipDirectory ZipDirectory;
53 
54 extern 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 
61 extern ZipFile * opendir_in_zip PARAMS ((const char *, int));
62 extern int read_zip_archive PARAMS ((ZipFile *));
63 #ifdef GCC_JCF_H
64 extern int read_zip_member PARAMS ((JCF*, ZipDirectory*, ZipFile *));
65 extern int open_in_zip PARAMS ((struct JCF *, const char *,
66 			       const char *, int));
67 #endif
68