X-Git-Url: https://git.artsoft.org/?p=rocksndiamonds.git;a=blobdiff_plain;f=src%2Flibgame%2Fzip%2Funzip.h;fp=src%2Flibgame%2Fzip%2Funzip.h;h=4aa047ea165b201a03a7c008364539cadacc15c4;hp=0000000000000000000000000000000000000000;hb=fb81506227581bcc04cd4835b8e3f41a109d1f97;hpb=d1a163e883efe963cd1a83cf7a989add2bcb6740 diff --git a/src/libgame/zip/unzip.h b/src/libgame/zip/unzip.h new file mode 100644 index 00000000..4aa047ea --- /dev/null +++ b/src/libgame/zip/unzip.h @@ -0,0 +1,311 @@ +/* unzip.h -- IO for uncompress .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 on both zip and unzip + http://result42.com + Copyright (C) 2007-2008 Even Rouault + Modifications of Unzip for Zip64 + 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 _UNZ_H +#define _UNZ_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(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; } unz_file__; +typedef unz_file__ *unzFile; +#else +typedef voidp unzFile; +#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) + +/* unz_global_info structure contain global data about the ZIPfile + These data comes from the 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 */ + uint32_t number_disk_with_CD; /* number the the disk with central dir, used for spanning ZIP*/ + uint16_t size_comment; /* size of the global comment of the zipfile */ +} unz_global_info64; + +typedef struct unz_global_info_s +{ + uint32_t number_entry; /* total number of entries in the central dir on this disk */ + uint32_t number_disk_with_CD; /* number the the disk with central dir, used for spanning ZIP*/ + uint16_t size_comment; /* size of the global comment of the zipfile */ +} unz_global_info; + +/* unz_file_info contain information about a file in the zipfile */ +/* https://pkware.cachefly.net/webdocs/casestudies/APPNOTE.TXT */ +typedef struct unz_file_info64_s +{ + uint16_t version; /* version made by 2 bytes */ + uint16_t version_needed; /* version needed to extract 2 bytes */ + uint16_t flag; /* general purpose bit flag 2 bytes */ + uint16_t compression_method; /* compression method 2 bytes */ + uint32_t dos_date; /* last mod file date in Dos fmt 4 bytes */ + uint32_t crc; /* crc-32 4 bytes */ + uint64_t compressed_size; /* compressed size 8 bytes */ + uint64_t uncompressed_size; /* uncompressed size 8 bytes */ + uint16_t size_filename; /* filename length 2 bytes */ + uint16_t size_file_extra; /* extra field length 2 bytes */ + uint16_t size_file_comment; /* file comment length 2 bytes */ + + uint32_t disk_num_start; /* disk number start 4 bytes */ + uint16_t internal_fa; /* internal file attributes 2 bytes */ + uint32_t external_fa; /* external file attributes 4 bytes */ + + uint64_t disk_offset; + + uint16_t size_file_extra_internal; +} unz_file_info64; + +typedef struct unz_file_info_s +{ + uint16_t version; /* version made by 2 bytes */ + uint16_t version_needed; /* version needed to extract 2 bytes */ + uint16_t flag; /* general purpose bit flag 2 bytes */ + uint16_t compression_method; /* compression method 2 bytes */ + uint32_t dos_date; /* last mod file date in Dos fmt 4 bytes */ + uint32_t crc; /* crc-32 4 bytes */ + uint32_t compressed_size; /* compressed size 4 bytes */ + uint32_t uncompressed_size; /* uncompressed size 4 bytes */ + uint16_t size_filename; /* filename length 2 bytes */ + uint16_t size_file_extra; /* extra field length 2 bytes */ + uint16_t size_file_comment; /* file comment length 2 bytes */ + + uint16_t disk_num_start; /* disk number start 2 bytes */ + uint16_t internal_fa; /* internal file attributes 2 bytes */ + uint32_t external_fa; /* external file attributes 4 bytes */ + + uint64_t disk_offset; +} unz_file_info; + +/***************************************************************************/ +/* Opening and close a zip file */ + +extern unzFile ZEXPORT unzOpen(const char *path); +extern unzFile ZEXPORT unzOpen64(const void *path); +/* Open a Zip file. + + 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 or doesn't exist + return unzFile handle if no error + + NOTE: The "64" function take a const void *pointer, because the path is just the value passed to the + open64_file_func callback. Under Windows, if UNICODE is defined, using fill_fopen64_filefunc, the path + is a pointer to a wide unicode string (LPCTSTR is LPCWSTR), so const char *does not describe the reality */ + +extern unzFile ZEXPORT unzOpen2(const char *path, zlib_filefunc_def *pzlib_filefunc_def); +/* Open a Zip file, like unzOpen, but provide a set of file low level API for read/write operations */ +extern unzFile ZEXPORT unzOpen2_64(const void *path, zlib_filefunc64_def *pzlib_filefunc_def); +/* Open a Zip file, like unz64Open, but provide a set of file low level API for read/write 64-bit operations */ + +extern int ZEXPORT unzClose(unzFile file); +/* Close a ZipFile opened with unzOpen. If there is files inside the .Zip opened with unzOpenCurrentFile, + these files MUST be closed with unzipCloseCurrentFile before call unzipClose. + + return UNZ_OK if there is no error */ + +extern int ZEXPORT unzGetGlobalInfo(unzFile file, unz_global_info *pglobal_info); +extern int ZEXPORT unzGetGlobalInfo64(unzFile file, unz_global_info64 *pglobal_info); +/* Write info about the ZipFile in the *pglobal_info structure. + + return UNZ_OK if no error */ + +extern int ZEXPORT unzGetGlobalComment(unzFile file, char *comment, uint16_t comment_size); +/* Get the global comment string of the ZipFile, in the comment buffer. + + uSizeBuf is the size of the szComment buffer. + return the number of byte copied or an error code <0 */ + +extern uint64_t ZEXPORT unzCountEntries(const unzFile file); + +/***************************************************************************/ +/* Reading the content of the current zipfile, you can open it, read data from it, and close it + (you can close it before reading all the file) */ + +extern int ZEXPORT unzOpenCurrentFile(unzFile file); +/* Open for reading data the current file in the zipfile. + + return UNZ_OK if no error */ + +extern int ZEXPORT unzOpenCurrentFilePassword(unzFile file, const char *password); +/* Open for reading data the current file in the zipfile. + password is a crypting password + + return UNZ_OK if no error */ + +extern int ZEXPORT unzOpenCurrentFile2(unzFile file, int *method, int *level, int raw); +/* Same as unzOpenCurrentFile, but open for read raw the file (not uncompress) + if raw==1 *method will receive method of compression, *level will receive level of compression + + NOTE: you can set level parameter as NULL (if you did not want known level, + but you CANNOT set method parameter as NULL */ + +extern int ZEXPORT unzOpenCurrentFile3(unzFile file, int *method, int *level, int raw, const char *password); +/* Same as unzOpenCurrentFile, but takes extra parameter password for encrypted files */ + +extern int ZEXPORT unzReadCurrentFile(unzFile file, voidp buf, uint32_t len); +/* Read bytes from the current file (opened by unzOpenCurrentFile) + buf contain buffer where data must be copied + len the size of buf. + + return the number of byte copied if somes bytes are copied + return 0 if the end of file was reached + return <0 with error code if there is an error (UNZ_ERRNO for IO error, or zLib error for uncompress error) */ + +extern int ZEXPORT unzGetCurrentFileInfo(unzFile file, unz_file_info *pfile_info, char *filename, + uint16_t filename_size, void *extrafield, uint16_t extrafield_size, char *comment, uint16_t comment_size); +extern int ZEXPORT unzGetCurrentFileInfo64(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); +/* Get Info about the current file + + pfile_info if != NULL, the *pfile_info structure will contain somes info about the current file + filename if != NULL, the file name string will be copied in filename + filename_size is the size of the filename buffer + extrafield if != NULL, the extra field information from the central header will be copied in to + extrafield_size is the size of the extraField buffer + comment if != NULL, the comment string of the file will be copied in to + comment_size is the size of the comment buffer */ + +extern int ZEXPORT unzGetLocalExtrafield(unzFile file, voidp buf, uint32_t len); +/* Read extra field from the current file (opened by unzOpenCurrentFile) + This is the local-header version of the extra field (sometimes, there is + more info in the local-header version than in the central-header) + + if buf == NULL, it return the size of the local extra field + if buf != NULL, len is the size of the buffer, the extra header is copied in buf. + + return number of bytes copied in buf, or (if <0) the error code */ + +extern int ZEXPORT unzCloseCurrentFile(unzFile file); +/* Close the file in zip opened with unzOpenCurrentFile + + return UNZ_CRCERROR if all the file was read but the CRC is not good */ + +/***************************************************************************/ +/* Browse the directory of the zipfile */ + +typedef int (*unzFileNameComparer)(unzFile file, const char *filename1, const char *filename2); +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); + +extern int ZEXPORT unzGoToFirstFile(unzFile file); +/* Set the current file of the zipfile to the first file. + + return UNZ_OK if no error */ + +extern int ZEXPORT unzGoToFirstFile2(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); +/* Set the current file of the zipfile to the first file and retrieves the current info on success. + Not as seek intensive as unzGoToFirstFile + unzGetCurrentFileInfo. + + return UNZ_OK if no error */ + +extern int ZEXPORT unzGoToNextFile(unzFile file); +/* Set the current file of the zipfile to the next file. + + return UNZ_OK if no error + return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest */ + +extern int ZEXPORT unzGoToNextFile2(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); +/* Set the current file of the zipfile to the next file and retrieves the current + info on success. Does less seeking around than unzGotoNextFile + unzGetCurrentFileInfo. + + return UNZ_OK if no error + return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest */ + +extern int ZEXPORT unzLocateFile(unzFile file, const char *filename, unzFileNameComparer filename_compare_func); +/* Try locate the file szFileName in the zipfile. For custom filename comparison pass in comparison function. + + return UNZ_OK if the file is found (it becomes the current file) + return UNZ_END_OF_LIST_OF_FILE if the file is not found */ + +/***************************************************************************/ +/* 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; + +extern int ZEXPORT unzGetFilePos(unzFile file, unz_file_pos *file_pos); +extern int ZEXPORT unzGoToFilePos(unzFile file, unz_file_pos *file_pos); + +typedef struct unz64_file_pos_s +{ + uint64_t pos_in_zip_directory; /* offset in zip file directory */ + uint64_t num_of_file; /* # of file */ +} unz64_file_pos; + +extern int ZEXPORT unzGetFilePos64(unzFile file, unz64_file_pos *file_pos); +extern int ZEXPORT unzGoToFilePos64(unzFile file, const unz64_file_pos *file_pos); + +extern int32_t ZEXPORT unzGetOffset(unzFile file); +extern int64_t ZEXPORT unzGetOffset64(unzFile file); +/* Get the current file offset */ + +extern int ZEXPORT unzSetOffset(unzFile file, uint32_t pos); +extern int ZEXPORT unzSetOffset64(unzFile file, uint64_t pos); +/* Set the current file offset */ + +extern int32_t ZEXPORT unzTell(unzFile file); +extern int64_t ZEXPORT unzTell64(unzFile file); +/* return current position in uncompressed data */ + +extern int ZEXPORT unzSeek(unzFile file, uint32_t offset, int origin); +extern int ZEXPORT unzSeek64(unzFile file, uint64_t offset, int origin); +/* Seek within the uncompressed data if compression method is storage */ + +extern int ZEXPORT unzEndOfFile(unzFile file); +/* return 1 if the end of file was reached, 0 elsewhere */ + +/***************************************************************************/ + +#ifdef __cplusplus +} +#endif + +#endif /* _UNZ_H */