/* Part of SWI-Prolog
Author: Jan Wielemaker
E-mail: J.Wielemaker@vu.nl
WWW: http://www.swi-prolog.org
Copyright (c) 2018, University of Amsterdam
VU University Amsterdam
CWI, Amsterdam
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef H_PLZIP_INCLUDED
#define H_PLZIP_INCLUDED 1
#include "minizip/zip.h"
#include "minizip/unzip.h"
typedef enum zipper_state
{ ZIP_IDLE = 0,
ZIP_SCAN, /* goto executing */
ZIP_READ_ENTRY, /* Entry open for reading */
ZIP_WRITE_ENTRY, /* Entry open for writing */
ZIP_CLOSE, /* Close called */
ZIP_END = -1 /* end of list */
} zipper_state;
typedef enum zipper_input
{ ZIP_FILE,
ZIP_STREAM,
ZIP_MEMORY
} zipper_input;
/* flags */
#define ZIP_RELEASE_ON_CLOSE 0x0001
#define ZIP_CLOSE_STREAM_ON_CLOSE 0x0002
typedef struct zipper
{ atom_t symbol; /* <zipper>(address) blob */
zipFile writer; /* zip.h zipper */
unzFile reader; /* unzip.h unzipper */
union
{ IOSTREAM *stream;
struct mem_stream *memory;
void *any;
} input;
const char *path;
zipper_input input_type;
zipper_state state;
unsigned int flags;
int owner; /* owning thread id */
int lock_count; /* times locked */
#ifdef O_PLMT
simpleMutex lock; /* basic lock */
#endif
} zipper;
#define RC_RDONLY 0x01
#define RC_WRONLY 0x02
#define RC_CREATE 0x04
#define RC_TRUNC 0x08
#define RC_RDWR (RC_RDONLY|RC_WRONLY)
extern int rc_errno;
COMMON(zipper *) zip_open_archive(const char *file, int flags);
COMMON(zipper *) zip_open_archive_mem(const unsigned char *mem,
size_t mem_size, int flags);
COMMON(int) zip_close_archive(zipper *z);
COMMON(IOSTREAM *) SopenZIP(zipper *z, const char *name, int flags);
COMMON(char *) rc_strerror(int);
COMMON(const char *) zipper_file(const zipper *z);
#endif /*H_PLZIP_INCLUDED*/