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#ifndef _ZZIP_MMAPPED_H_
#define _ZZIP_MMAPPED_H_
/*
* NOTE: this is part of libzzipmmapped (i.e. it is not libzzip).
*
* simplified zip disk access using a mmapping of the whole archive.
*
* Author:
* Guido Draheim <guidod@gmx.de>
*
* Copyright (c) 2003,2004 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
*/
#include <zzip/types.h>
#ifdef _ZZIP_DISK_FILE_STRUCT
#include <zlib.h> /* z_stream */
#endif
#ifdef __cplusplus
extern "C" {
#endif
typedef struct zzip_disk_file ZZIP_DISK_FILE;
typedef struct zzip_disk ZZIP_DISK;
/* def struct zzip_disk_entry ZZIP_DISK_ENTRY; */
/* we expose this structure so third party applications can augment
* on them. The mmapped zip access usually just needs the two pointers
* specifying the mmapped area, whereever you have that from.
*/
struct zzip_disk
{
zzip_byte_t* buffer; /* start of mmapped area, the base of all seekvals */
zzip_byte_t* endbuf; /* end of mmapped area, i.e. buffer + buflen */
void* reserved; /* - for later extensions (might be renamed) */
void* user; /* - free for applications (use this!) */
long flags; /* bit 0: findfile searches case-insensitive */
long mapped; /* used for mmap() wrappers of zzip/__mmap.h */
long unused; /* - for later extensions (might be renamed) */
long code; /* - free for applications (use this!) */
};
/* fnmatch search shall be case insensitive */
#define ZZIP_DISK_FLAGS_MATCH_NOCASE 1
#define ZZIP_DISK_FLAGS_OWNED_BUFFER 2
typedef int (*zzip_strcmp_fn_t)(char*, char*);
typedef int (*zzip_fnmatch_fn_t)(char*, char*, int);
#define zzip_disk_extern extern
zzip_disk_extern int
zzip_disk_init(ZZIP_DISK* disk, void* buffer, zzip_size_t buflen);
zzip_disk_extern zzip__new__ ZZIP_DISK*
zzip_disk_new(void);
zzip_disk_extern zzip__new__ ZZIP_DISK*
zzip_disk_mmap(int fd);
zzip_disk_extern int
zzip_disk_munmap(ZZIP_DISK* disk);
zzip_disk_extern zzip__new__ ZZIP_DISK*
zzip_disk_open(char* filename);
zzip_disk_extern zzip__new__ ZZIP_DISK *
zzip_disk_buffer(void *buffer, size_t buflen);
zzip_disk_extern int
zzip_disk_close(ZZIP_DISK* disk);
zzip_disk_extern ZZIP_DISK_ENTRY*
zzip_disk_findfirst(ZZIP_DISK* disk);
zzip_disk_extern ZZIP_DISK_ENTRY*
zzip_disk_findnext(ZZIP_DISK* disk, ZZIP_DISK_ENTRY* entry);
zzip_disk_extern zzip__new__ char*
zzip_disk_entry_strdup_name(ZZIP_DISK* disk, ZZIP_DISK_ENTRY* entry);
zzip_disk_extern zzip__new__ char*
zzip_disk_entry_strdup_comment(ZZIP_DISK* disk, ZZIP_DISK_ENTRY* entry);
zzip_disk_extern struct zzip_file_header*
zzip_disk_entry_to_file_header(ZZIP_DISK* disk, ZZIP_DISK_ENTRY* entry);
zzip_disk_extern zzip_byte_t*
zzip_disk_entry_to_data(ZZIP_DISK* disk, ZZIP_DISK_ENTRY* entry);
zzip_disk_extern ZZIP_DISK_ENTRY*
zzip_disk_findfile(ZZIP_DISK* disk,
char* filename, ZZIP_DISK_ENTRY* after,
zzip_strcmp_fn_t compare);
zzip_disk_extern ZZIP_DISK_ENTRY*
zzip_disk_findmatch(ZZIP_DISK* disk,
char* filespec, ZZIP_DISK_ENTRY* after,
zzip_fnmatch_fn_t compare, int flags);
zzip_disk_extern zzip__new__ ZZIP_DISK_FILE*
zzip_disk_entry_fopen (ZZIP_DISK* disk, ZZIP_DISK_ENTRY* entry);
zzip_disk_extern zzip__new__ ZZIP_DISK_FILE*
zzip_disk_fopen (ZZIP_DISK* disk, char* filename);
zzip_disk_extern _zzip_size_t
zzip_disk_fread (void* ptr, _zzip_size_t size, _zzip_size_t nmemb,
ZZIP_DISK_FILE* file);
zzip_disk_extern int
zzip_disk_fclose (ZZIP_DISK_FILE* file);
int
zzip_disk_feof (ZZIP_DISK_FILE* file);
#ifdef _ZZIP_DISK_FILE_STRUCT
/**
* typedef struct zzip_disk_file ZZIP_DISK_FILE;
*/
struct zzip_disk_file
{
zzip_byte_t* buffer; /* fopen disk->buffer */
zzip_byte_t* endbuf; /* fopen disk->endbuf */
zzip_size_t avail; /* memorized for checks on EOF */
z_stream zlib; /* for inflated blocks */
zzip_byte_t* stored; /* for stored blocks */
};
#endif
#ifdef __cplusplus
}
#endif
#endif
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