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/*
* Author:
* Guido Draheim <guidod@gmx.de>
* Tomi Ollila <Tomi.Ollila@iki.fi>
*
* Copyright (c) 1999,2000,2001,2002,2003 Guido Draheim
* All rights reserved
* use under the restrictions of the
* Lesser GNU General Public License
* or alternatively the restrictions
* of the Mozilla Public License 1.1
*
* This is the private header containing definitions that are not
* use by a libzzip user application. Writing an extension lib that
* uses libzzip will still want to include this. The extension
* write should make way to have the ISO C9X integer types defined.
*/
#ifndef _ZZIP_LIB_H /* zzip.h */
#define _ZZIP_LIB_H
#include <zzip/zzip.h>
#include <zzip/plugin.h>
#include <zzip/stdint.h>
#include <zzip/zzip32.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* this structure cannot be wildly enlarged... (see zzip-zip.c)
*/
struct zzip_dir_hdr
{
uint32_t d_usize; /* uncompressed size */
uint32_t d_csize; /* compressed size */
uint32_t d_crc32; /* the adler32-checksum */
uint32_t d_off; /* offset of file in zipfile */
uint16_t d_reclen; /* next dir_hdr structure offset */
uint16_t d_namlen; /* explicit namelen of d_name */
uint8_t d_compr; /* the compression type, 0 = store, 8 = inflate */
char d_name[1]; /* the actual name of the entry, may contain DIRSEPs */
};
#define _ZZIP_DIRENT_HAVE_D_NAMLEN
#define _ZZIP_DIRENT_HAVE_D_OFF
#define _ZZIP_DIRENT_HAVE_D_RECLEN
/*
* you shall not use this struct anywhere else than in zziplib sources.
*/
struct zzip_dir
{
int fd;
int errcode; /* zzip_error_t */
long refcount;
struct { /* reduce a lot of alloc/deallocations by caching these: */
int * volatile locked;
struct zzip_file * volatile fp;
char * volatile buf32k;
} cache;
struct zzip_dir_hdr * hdr0; /* zfi; */
struct zzip_dir_hdr * hdr; /* zdp; directory pointer, for dirent stuff */
struct zzip_file * currentfp; /* last fp used... */
struct zzip_dirent dirent;
void* realdir; /* e.g. DIR* from posix dirent.h */
char* realname;
zzip_strings_t* fileext; /* list of fileext to test for */
zzip_plugin_io_t io; /* vtable for io routines */
};
#define ZZIP_32K 32768
/* try to open a zip-basename with default_fileext */
int __zzip_try_open (zzip_char_t* filename, int filemode,
zzip_strings_t* ext, zzip_plugin_io_t io);
ZZIP_DIR *
zzip_dir_fdopen(int fd, zzip_error_t * errcode_p);
ZZIP_DIR*
zzip_dir_fdopen_ext_io(int fd, zzip_error_t * errorcode_p,
zzip_strings_t* ext, const zzip_plugin_io_t io);
ZZIP_DIR* /*depracated*/
zzip_dir_alloc_ext_io (zzip_strings_t* ext, const zzip_plugin_io_t io);
#ifdef __cplusplus
}
#endif
#endif /* _ZZIP_H */
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