mirror of
https://github.com/zlib-ng/minizip-ng
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237 lines
10 KiB
C
237 lines
10 KiB
C
/* unzip.h -- Backwards compatible unzip interface
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part of the minizip-ng project
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Copyright (C) Nathan Moinvaziri
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https://github.com/zlib-ng/minizip-ng
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Copyright (C) 1998-2010 Gilles Vollant
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https://www.winimage.com/zLibDll/minizip.html
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This program is distributed under the terms of the same license as zlib.
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See the accompanying LICENSE file for the full text of the license.
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*/
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#ifndef _unz64_H
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#define _unz64_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#ifndef _ZLIBIOAPI_H
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# include "ioapi.h"
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#endif
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/***************************************************************************/
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#if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP)
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/* like the STRICT of WIN32, we define a pointer that cannot be converted
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from (void*) without cast */
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typedef struct TagunzFile__ {
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int unused;
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} unzFile__;
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typedef unzFile__ *unzFile;
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#else
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typedef void *unzFile;
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#endif
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/***************************************************************************/
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#ifndef Z_ERRNO
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#define Z_ERRNO (-1)
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#endif
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#ifndef Z_DEFLATED
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#define Z_DEFLATED (8)
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#endif
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#ifndef Z_BZIP2ED
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#define Z_BZIP2ED (12)
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#endif
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/***************************************************************************/
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#define UNZ_OK (0)
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#define UNZ_END_OF_LIST_OF_FILE (-100)
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#define UNZ_ERRNO (Z_ERRNO)
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#define UNZ_EOF (0)
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#define UNZ_PARAMERROR (-102)
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#define UNZ_BADZIPFILE (-103)
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#define UNZ_INTERNALERROR (-104)
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#define UNZ_CRCERROR (-105)
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#define UNZ_BADPASSWORD (-106) /* minizip-ng */
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/***************************************************************************/
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/* tm_unz contain date/time info */
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typedef struct tm_unz_s {
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int tm_sec; /* seconds after the minute - [0,59] */
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int tm_min; /* minutes after the hour - [0,59] */
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int tm_hour; /* hours since midnight - [0,23] */
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int tm_mday; /* day of the month - [1,31] */
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int tm_mon; /* months since January - [0,11] */
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int tm_year; /* years - [1980..2044] */
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} tm_unz;
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/***************************************************************************/
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/* Global data about the zip from end of central dir */
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typedef struct unz_global_info64_s {
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uint64_t number_entry; /* total number of entries in the central dir on this disk */
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unsigned long size_comment; /* size of the global comment of the zipfile */
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/* minizip-ng fields */
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uint32_t number_disk_with_CD; /* number the the disk with central dir, used for spanning ZIP */
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} unz_global_info64;
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typedef struct unz_global_info_s {
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unsigned long number_entry; /* total number of entries in the central dir on this disk */
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unsigned long size_comment; /* size of the global comment of the zipfile */
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/* minizip-ng fields */
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uint32_t number_disk_with_CD; /* number the the disk with central dir, used for spanning ZIP */
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} unz_global_info;
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/* Information about a file in the zip */
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typedef struct unz_file_info64_s {
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unsigned long version; /* version made by 2 bytes */
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unsigned long version_needed; /* version needed to extract 2 bytes */
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unsigned long flag; /* general purpose bit flag 2 bytes */
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unsigned long compression_method; /* compression method 2 bytes */
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unsigned long mz_dos_date; /* last mod file date in Dos fmt 4 bytes */
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unsigned long crc; /* crc-32 4 bytes */
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ZPOS64_T compressed_size; /* compressed size 8 bytes */
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ZPOS64_T uncompressed_size; /* uncompressed size 8 bytes */
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unsigned long size_filename; /* filename length 2 bytes */
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unsigned long size_file_extra; /* extra field length 2 bytes */
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unsigned long size_file_comment; /* file comment length 2 bytes */
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unsigned long disk_num_start; /* disk number start 4 bytes */
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unsigned long internal_fa; /* internal file attributes 2 bytes */
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unsigned long external_fa; /* external file attributes 4 bytes */
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tm_unz tmu_date;
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/* minizip-ng fields */
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ZPOS64_T disk_offset;
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uint16_t size_file_extra_internal;
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} unz_file_info64;
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typedef struct unz_file_info_s {
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unsigned long version; /* version made by 2 bytes */
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unsigned long version_needed; /* version needed to extract 2 bytes */
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unsigned long flag; /* general purpose bit flag 2 bytes */
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unsigned long compression_method; /* compression method 2 bytes */
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unsigned long mz_dos_date; /* last mod file date in Dos fmt 4 bytes */
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unsigned long crc; /* crc-32 4 bytes */
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ZPOS64_T compressed_size; /* compressed size 4 bytes */
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ZPOS64_T uncompressed_size; /* uncompressed size 4 bytes */
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unsigned long size_filename; /* filename length 2 bytes */
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unsigned long size_file_extra; /* extra field length 2 bytes */
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unsigned long size_file_comment; /* file comment length 2 bytes */
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unsigned long disk_num_start; /* disk number start 2 bytes */
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unsigned long internal_fa; /* internal file attributes 2 bytes */
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unsigned long external_fa; /* external file attributes 4 bytes */
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tm_unz tmu_date;
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/* minizip-ng fields */
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ZPOS64_T disk_offset;
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} unz_file_info;
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/***************************************************************************/
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#if !defined(MZ_COMPAT_VERSION) || MZ_COMPAT_VERSION < 110
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/* Possible values:
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0 - Uses OS default, e.g. Windows ignores case.
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1 - Is case sensitive.
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>= 2 - Ignore case.
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*/
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typedef int unzFileNameCase;
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#else
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typedef int (*unzFileNameComparer)(unzFile file, const char *filename1, const char *filename2);
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#endif
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typedef int (*unzIteratorFunction)(unzFile file);
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typedef int (*unzIteratorFunction2)(unzFile file, unz_file_info64 *pfile_info, char *filename, uint16_t filename_size,
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void *extrafield, uint16_t extrafield_size, char *comment, uint16_t comment_size);
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/***************************************************************************/
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/* Reading a zip file */
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/* Compatibility layer with the original minizip library (unzip.h). */
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ZEXPORT unzFile unzOpen(const char *path);
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ZEXPORT unzFile unzOpen64(const void *path);
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ZEXPORT unzFile unzOpen2(const char *path, zlib_filefunc_def *pzlib_filefunc_def);
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ZEXPORT unzFile unzOpen2_64(const void *path, zlib_filefunc64_def *pzlib_filefunc_def);
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ZEXPORT int unzClose(unzFile file);
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ZEXPORT int unzGetGlobalInfo(unzFile file, unz_global_info *pglobal_info32);
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ZEXPORT int unzGetGlobalInfo64(unzFile file, unz_global_info64 *pglobal_info);
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ZEXPORT int unzGetGlobalComment(unzFile file, char *comment, unsigned long comment_size);
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ZEXPORT int unzOpenCurrentFile(unzFile file);
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ZEXPORT int unzOpenCurrentFilePassword(unzFile file, const char *password);
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ZEXPORT int unzOpenCurrentFile2(unzFile file, int *method, int *level, int raw);
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ZEXPORT int unzOpenCurrentFile3(unzFile file, int *method, int *level, int raw, const char *password);
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ZEXPORT int unzReadCurrentFile(unzFile file, void *buf, uint32_t len);
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ZEXPORT int unzCloseCurrentFile(unzFile file);
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ZEXPORT int unzGetCurrentFileInfo(unzFile file, unz_file_info *pfile_info, char *filename, unsigned long filename_size,
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void *extrafield, unsigned long extrafield_size, char *comment,
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unsigned long comment_size);
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ZEXPORT int unzGetCurrentFileInfo64(unzFile file, unz_file_info64 *pfile_info, char *filename,
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unsigned long filename_size, void *extrafield, unsigned long extrafield_size,
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char *comment, unsigned long comment_size);
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ZEXPORT int unzGoToFirstFile(unzFile file);
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ZEXPORT int unzGoToNextFile(unzFile file);
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#if !defined(MZ_COMPAT_VERSION) || MZ_COMPAT_VERSION < 110
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ZEXPORT int unzLocateFile(unzFile file, const char *filename, unzFileNameCase filename_case);
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#else
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ZEXPORT int unzLocateFile(unzFile file, const char *filename, unzFileNameComparer filename_compare_func);
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#endif
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/* unzStringFileNameCompare is too new */
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ZEXPORT int unzGetLocalExtrafield(unzFile file, void *buf, unsigned int len);
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/* Compatibility layer with older minizip-ng (mz_unzip.h). */
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unzFile unzOpen_MZ(void *stream);
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ZEXPORT int unzClose_MZ(unzFile file);
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ZEXPORT void *unzGetHandle_MZ(unzFile file);
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ZEXPORT void *unzGetStream_MZ(unzFile file);
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/***************************************************************************/
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/* Raw access to zip file */
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typedef struct unz_file_pos_s {
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uint32_t pos_in_zip_directory; /* offset in zip file directory */
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uint32_t num_of_file; /* # of file */
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} unz_file_pos;
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typedef struct unz64_file_pos_s {
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int64_t pos_in_zip_directory; /* offset in zip file directory */
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uint64_t num_of_file; /* # of file */
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} unz64_file_pos;
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/* Compatibility layer with the original minizip library (unzip.h). */
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ZEXPORT int unzGetFilePos(unzFile file, unz_file_pos *file_pos);
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ZEXPORT int unzGoToFilePos(unzFile file, unz_file_pos *file_pos);
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ZEXPORT int unzGetFilePos64(unzFile file, unz64_file_pos *file_pos);
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ZEXPORT int unzGoToFilePos64(unzFile file, const unz64_file_pos *file_pos);
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ZEXPORT int64_t unzGetOffset64(unzFile file);
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ZEXPORT unsigned long unzGetOffset(unzFile file);
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ZEXPORT int unzSetOffset64(unzFile file, int64_t pos);
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ZEXPORT int unzSetOffset(unzFile file, unsigned long pos);
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ZEXPORT int32_t unztell(unzFile file);
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ZEXPORT uint64_t unztell64(unzFile file);
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ZEXPORT int unzeof(unzFile file);
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/* Compatibility layer with older minizip-ng (mz_unzip.h). */
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ZEXPORT int32_t unzTell(unzFile file);
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ZEXPORT uint64_t unzTell64(unzFile file);
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ZEXPORT int unzSeek(unzFile file, int32_t offset, int origin);
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ZEXPORT int unzSeek64(unzFile file, int64_t offset, int origin);
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ZEXPORT int unzEndOfFile(unzFile file);
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ZEXPORT void *unzGetStream(unzFile file);
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/***************************************************************************/
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#ifdef __cplusplus
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}
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#endif
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#endif /* _unz64_H */
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