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vmap/include/zip.h
Marco Hladik 600a90924e Initial commit
2020-11-17 12:16:16 +01:00

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/* zip.h -- IO on .zip files using zlib
Version 1.2.0, September 16th, 2017
part of the MiniZip project
Copyright (C) 2012-2017 Nathan Moinvaziri
https://github.com/nmoinvaz/minizip
Copyright (C) 2009-2010 Mathias Svensson
Modifications for Zip64 support
http://result42.com
Copyright (C) 1998-2010 Gilles Vollant
http://www.winimage.com/zLibDll/minizip.html
This program is distributed under the terms of the same license as zlib.
See the accompanying LICENSE file for the full text of the license.
*/
#ifndef _ZIP_H
#define _ZIP_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _ZLIB_H
# include "zlib.h"
#endif
#ifndef _ZLIBIOAPI_H
# include "ioapi.h"
#endif
#ifdef HAVE_BZIP2
# include "bzlib.h"
#endif
#define Z_BZIP2ED 12
#if defined(STRICTZIP) || defined(STRICTZIPUNZIP)
/* like the STRICT of WIN32, we define a pointer that cannot be converted
from (void*) without cast */
typedef struct TagzipFile__ { int unused; } zip_file__;
typedef zip_file__ *zipFile;
#else
typedef voidp zipFile;
#endif
#define ZIP_OK (0)
#define ZIP_EOF (0)
#define ZIP_ERRNO (Z_ERRNO)
#define ZIP_PARAMERROR (-102)
#define ZIP_BADZIPFILE (-103)
#define ZIP_INTERNALERROR (-104)
#ifndef DEF_MEM_LEVEL
# if MAX_MEM_LEVEL >= 8
# define DEF_MEM_LEVEL 8
# else
# define DEF_MEM_LEVEL MAX_MEM_LEVEL
# endif
#endif
typedef struct
{
uint32_t dos_date;
uint16_t internal_fa; /* internal file attributes 2 bytes */
uint32_t external_fa; /* external file attributes 4 bytes */
} zip_fileinfo;
#define APPEND_STATUS_CREATE (0)
#define APPEND_STATUS_CREATEAFTER (1)
#define APPEND_STATUS_ADDINZIP (2)
/***************************************************************************/
/* Writing a zip file */
extern zipFile ZEXPORT zipOpen(const char *path, int append);
extern zipFile ZEXPORT zipOpen64(const void *path, int append);
/* Create a zipfile.
path should contain the full path (by example, on a Windows XP computer
"c:\\zlib\\zlib113.zip" or on an Unix computer "zlib/zlib113.zip".
return NULL if zipfile cannot be opened
return zipFile handle if no error
If the file path exist and append == APPEND_STATUS_CREATEAFTER, the zip
will be created at the end of the file. (useful if the file contain a self extractor code)
If the file path exist and append == APPEND_STATUS_ADDINZIP, we will add files in existing
zip (be sure you don't add file that doesn't exist)
NOTE: There is no delete function into a zipfile. If you want delete file into a zipfile,
you must open a zipfile, and create another. Of course, you can use RAW reading and writing to copy
the file you did not want delete. */
extern zipFile ZEXPORT zipOpen2(const char *path, int append, const char **globalcomment,
zlib_filefunc_def *pzlib_filefunc_def);
extern zipFile ZEXPORT zipOpen2_64(const void *path, int append, const char **globalcomment,
zlib_filefunc64_def *pzlib_filefunc_def);
extern zipFile ZEXPORT zipOpen3(const char *path, int append, uint64_t disk_size,
const char **globalcomment, zlib_filefunc_def *pzlib_filefunc_def);
/* Same as zipOpen2 but allows specification of spanned zip size */
extern zipFile ZEXPORT zipOpen3_64(const void *path, int append, uint64_t disk_size,
const char **globalcomment, zlib_filefunc64_def *pzlib_filefunc_def);
extern int ZEXPORT zipOpenNewFileInZip(zipFile file, const char *filename, const zip_fileinfo *zipfi,
const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global,
uint16_t size_extrafield_global, const char *comment, uint16_t method, int level);
/* Open a file in the ZIP for writing.
filename : the filename in zip (if NULL, '-' without quote will be used
*zipfi contain supplemental information
extrafield_local buffer to store the local header extra field data, can be NULL
size_extrafield_local size of extrafield_local buffer
extrafield_global buffer to store the global header extra field data, can be NULL
size_extrafield_global size of extrafield_local buffer
comment buffer for comment string
method contain the compression method (0 for store, Z_DEFLATED for deflate)
level contain the level of compression (can be Z_DEFAULT_COMPRESSION)
zip64 is set to 1 if a zip64 extended information block should be added to the local file header.
this MUST be '1' if the uncompressed size is >= 0xffffffff. */
extern int ZEXPORT zipOpenNewFileInZip64(zipFile file, const char *filename, const zip_fileinfo *zipfi,
const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global,
uint16_t size_extrafield_global, const char *comment, uint16_t method, int level, int zip64);
/* Same as zipOpenNewFileInZip with zip64 support */
extern int ZEXPORT zipOpenNewFileInZip2(zipFile file, const char *filename, const zip_fileinfo *zipfi,
const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global,
uint16_t size_extrafield_global, const char *comment, uint16_t method, int level, int raw);
/* Same as zipOpenNewFileInZip, except if raw=1, we write raw file */
extern int ZEXPORT zipOpenNewFileInZip2_64(zipFile file, const char *filename, const zip_fileinfo *zipfi,
const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global,
uint16_t size_extrafield_global, const char *comment, uint16_t method, int level, int raw, int zip64);
/* Same as zipOpenNewFileInZip3 with zip64 support */
extern int ZEXPORT zipOpenNewFileInZip3(zipFile file, const char *filename, const zip_fileinfo *zipfi,
const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global,
uint16_t size_extrafield_global, const char *comment, uint16_t method, int level, int raw, int windowBits, int memLevel,
int strategy, const char *password, ZIP_UNUSED uint32_t crc_for_crypting);
/* Same as zipOpenNewFileInZip2, except
windowBits, memLevel, strategy : see parameter strategy in deflateInit2
password : crypting password (NULL for no crypting)
crc_for_crypting : crc of file to compress (needed for crypting) */
extern int ZEXPORT zipOpenNewFileInZip3_64(zipFile file, const char *filename, const zip_fileinfo *zipfi,
const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global,
uint16_t size_extrafield_global, const char *comment, uint16_t method, int level, int raw, int windowBits, int memLevel,
int strategy, const char *password, ZIP_UNUSED uint32_t crc_for_crypting, int zip64);
/* Same as zipOpenNewFileInZip3 with zip64 support */
extern int ZEXPORT zipOpenNewFileInZip4(zipFile file, const char *filename, const zip_fileinfo *zipfi,
const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global,
uint16_t size_extrafield_global, const char *comment, uint16_t method, int level, int raw, int windowBits, int memLevel,
int strategy, const char *password, ZIP_UNUSED uint32_t crc_for_crypting, uint16_t version_madeby, uint16_t flag_base);
/* Same as zipOpenNewFileInZip3 except versionMadeBy & flag fields */
extern int ZEXPORT zipOpenNewFileInZip4_64(zipFile file, const char *filename, const zip_fileinfo *zipfi,
const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global,
uint16_t size_extrafield_global, const char *comment, uint16_t method, int level, int raw, int windowBits, int memLevel,
int strategy, const char *password, ZIP_UNUSED uint32_t crc_for_crypting, uint16_t version_madeby, uint16_t flag_base, int zip64);
/* Same as zipOpenNewFileInZip4 with zip64 support */
extern int ZEXPORT zipOpenNewFileInZip5(zipFile file,
const char *filename,
const zip_fileinfo *zipfi,
const void *extrafield_local,
uint16_t size_extrafield_local,
const void *extrafield_global,
uint16_t size_extrafield_global,
const char *comment,
uint16_t flag_base,
int zip64,
uint16_t method,
int level,
int raw,
int windowBits,
int memLevel,
int strategy,
const char *password,
int aes);
/* Allowing optional aes */
extern int ZEXPORT zipWriteInFileInZip(zipFile file, const void *buf, uint32_t len);
/* Write data in the zipfile */
extern int ZEXPORT zipCloseFileInZip(zipFile file);
/* Close the current file in the zipfile */
extern int ZEXPORT zipCloseFileInZipRaw(zipFile file, uint32_t uncompressed_size, uint32_t crc32);
extern int ZEXPORT zipCloseFileInZipRaw64(zipFile file, uint64_t uncompressed_size, uint32_t crc32);
/* Close the current file in the zipfile, for file opened with parameter raw=1 in zipOpenNewFileInZip2
where raw is compressed data. Parameters uncompressed_size and crc32 are value for the uncompressed data. */
extern int ZEXPORT zipClose(zipFile file, const char *global_comment);
/* Close the zipfile */
extern int ZEXPORT zipClose_64(zipFile file, const char *global_comment);
extern int ZEXPORT zipClose2_64(zipFile file, const char *global_comment, uint16_t version_madeby);
/* Same as zipClose_64 except version_madeby field */
/***************************************************************************/
#ifdef __cplusplus
}
#endif
#endif /* _ZIP_H */
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