source: OGRE/trunk/ogre_dependencies/Dependencies/include/zzip/lib.h @ 692

Revision 692, 2.8 KB checked in by mattausch, 19 years ago (diff)

adding ogre 1.2 and dependencies

Line 
1/*
2 * Author:
3 *      Guido Draheim <guidod@gmx.de>
4 *      Tomi Ollila <Tomi.Ollila@iki.fi>
5 *
6 * Copyright (c) 1999,2000,2001,2002,2003 Guido Draheim
7 *          All rights reserved
8 *          use under the restrictions of the
9 *          Lesser GNU General Public License
10 *          or alternatively the restrictions
11 *          of the Mozilla Public License 1.1
12 *
13 * This is the private header containing definitions that are not
14 * use by a libzzip user application. Writing an extension lib that
15 * uses libzzip will still want to include this. The extension
16 * write should make way to have the ISO C9X integer types defined.
17 */
18#ifndef _ZZIP_LIB_H /* zzip.h */
19#define _ZZIP_LIB_H
20
21#include <zzip/zzip.h>
22#include <zzip/plugin.h>
23#include <zzip/stdint.h>
24
25/*
26 * this structure cannot be wildly enlarged... (see zzip-zip.c)
27 */
28struct zzip_dir_hdr
29{
30    uint32_t    d_usize;        /* uncompressed size */
31    uint32_t    d_csize;        /* compressed size */
32    uint32_t    d_crc32;        /* the adler32-checksum */
33    uint32_t    d_off;          /* offset of file in zipfile */
34    uint16_t    d_reclen;       /* next dir_hdr structure offset */
35    uint16_t    d_namlen;       /* explicit namelen of d_name */
36    uint8_t     d_compr;        /* the compression type, 0 = store, 8 = inflate */
37    char        d_name[1];      /* the actual name of the entry, may contain DIRSEPs */
38};
39#define _ZZIP_DIRENT_HAVE_D_NAMLEN
40#define _ZZIP_DIRENT_HAVE_D_OFF
41#define _ZZIP_DIRENT_HAVE_D_RECLEN
42
43/*
44 * you shall not use this struct anywhere else than in zziplib sources.
45 */
46struct zzip_dir
47{
48    int fd;
49    int errcode; /* zzip_error_t */
50    long refcount;
51    struct {
52        struct zzip_file * fp;  /* reduce a lot of alloc/deallocations by */
53        char * buf32k;         /* caching one entry of these data structures */
54    } cache;
55    struct zzip_dir_hdr * hdr0;  /* zfi; */
56    struct zzip_dir_hdr * hdr;   /* zdp; directory pointer, for dirent stuff */
57    struct zzip_file * currentfp; /* last fp used... */
58    struct zzip_dirent dirent;
59    void*  realdir;               /* e.g. DIR* from posix dirent.h */
60    char*  realname;
61    zzip_strings_t* fileext;      /* list of fileext to test for */
62    zzip_plugin_io_t io;          /* vtable for io routines */
63};
64
65#define ZZIP_32K 32768
66
67/* try to open a zip-basename with default_fileext */
68int      __zzip_try_open (zzip_char_t* filename, int filemode,
69                          zzip_strings_t* ext, zzip_plugin_io_t io);
70
71ZZIP_DIR *
72zzip_dir_fdopen(int fd, zzip_error_t * errcode_p);
73
74ZZIP_DIR*
75zzip_dir_fdopen_ext_io(int fd, zzip_error_t * errorcode_p,
76                       zzip_strings_t* ext, const zzip_plugin_io_t io);
77
78ZZIP_DIR* /*depracated*/
79zzip_dir_alloc_ext_io (zzip_strings_t* ext, const zzip_plugin_io_t io);
80
81#endif /* _ZZIP_H */
82
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