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