diff options
Diffstat (limited to 'src/mesh/assimp-master/contrib/unzip')
| -rw-r--r-- | src/mesh/assimp-master/contrib/unzip/crypt.c | 171 | ||||
| -rw-r--r-- | src/mesh/assimp-master/contrib/unzip/crypt.h | 63 | ||||
| -rw-r--r-- | src/mesh/assimp-master/contrib/unzip/ioapi.c | 365 | ||||
| -rw-r--r-- | src/mesh/assimp-master/contrib/unzip/ioapi.h | 145 | ||||
| -rw-r--r-- | src/mesh/assimp-master/contrib/unzip/unzip.c | 2000 | ||||
| -rw-r--r-- | src/mesh/assimp-master/contrib/unzip/unzip.h | 306 |
6 files changed, 0 insertions, 3050 deletions
diff --git a/src/mesh/assimp-master/contrib/unzip/crypt.c b/src/mesh/assimp-master/contrib/unzip/crypt.c deleted file mode 100644 index 299ce03..0000000 --- a/src/mesh/assimp-master/contrib/unzip/crypt.c +++ /dev/null @@ -1,171 +0,0 @@ -/* crypt.c -- base code for traditional PKWARE encryption - Version 1.01e, February 12th, 2005 - - Copyright (C) 1998-2005 Gilles Vollant - Modifications for Info-ZIP crypting - Copyright (C) 2003 Terry Thorsen - - This code is a modified version of crypting code in Info-ZIP distribution - - Copyright (C) 1990-2000 Info-ZIP. All rights reserved. - - 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. - - This encryption code is a direct transcription of the algorithm from - Roger Schlafly, described by Phil Katz in the file appnote.txt. This - file (appnote.txt) is distributed with the PKZIP program (even in the - version without encryption capabilities). - - If you don't need crypting in your application, just define symbols - NOCRYPT and NOUNCRYPT. -*/ - -#if defined(WIN32) || defined(_WIN32) || defined(__WIN32) && !defined(__CYGWIN__) - #define MICROSOFT_WINDOWS_WINBASE_H_DEFINE_INTERLOCKED_CPLUSPLUS_OVERLOADS 0 -#endif - -#include <stdio.h> -#include <stdlib.h> -#include <stdint.h> -#include <time.h> - -#ifdef _WIN32 -# include <windows.h> -# include <wincrypt.h> -#else -# include <sys/stat.h> -# include <fcntl.h> -# include <unistd.h> -#endif - -#include "zlib.h" - -#include "crypt.h" - -#ifdef _WIN32 -# pragma warning(push) -# pragma warning(disable : 4244) -#endif // _WIN32 - -/***************************************************************************/ - -#define CRC32(c, b) ((*(pcrc_32_tab+(((uint32_t)(c) ^ (b)) & 0xff))) ^ ((c) >> 8)) - -#ifndef ZCR_SEED2 -# define ZCR_SEED2 3141592654UL /* use PI as default pattern */ -#endif - -/***************************************************************************/ - -uint8_t decrypt_byte(uint32_t *pkeys) -{ - unsigned temp; /* POTENTIAL BUG: temp*(temp^1) may overflow in an - * unpredictable manner on 16-bit systems; not a problem - * with any known compiler so far, though */ - - temp = ((uint32_t)(*(pkeys+2)) & 0xffff) | 2; - return (uint8_t)(((temp * (temp ^ 1)) >> 8) & 0xff); -} - -uint8_t update_keys(uint32_t *pkeys, const z_crc_t *pcrc_32_tab, int32_t c) -{ - (*(pkeys+0)) = (uint32_t)CRC32((*(pkeys+0)), c); - (*(pkeys+1)) += (*(pkeys+0)) & 0xff; - (*(pkeys+1)) = (*(pkeys+1)) * 134775813L + 1; - { - register int32_t keyshift = (int32_t)((*(pkeys + 1)) >> 24); - (*(pkeys+2)) = (uint32_t)CRC32((*(pkeys+2)), keyshift); - } - return c; -} - -void init_keys(const char *passwd, uint32_t *pkeys, const z_crc_t *pcrc_32_tab) -{ - *(pkeys+0) = 305419896L; - *(pkeys+1) = 591751049L; - *(pkeys+2) = 878082192L; - while (*passwd != 0) - { - update_keys(pkeys, pcrc_32_tab, *passwd); - passwd += 1; - } -} - -/***************************************************************************/ - -int cryptrand(unsigned char *buf, unsigned int len) -{ - static unsigned calls = 0; - int rlen = 0; -#ifdef _WIN32 - HCRYPTPROV provider; - unsigned __int64 pentium_tsc[1]; - int result = 0; - - - if (CryptAcquireContext(&provider, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT | CRYPT_SILENT)) - { - result = CryptGenRandom(provider, len, buf); - CryptReleaseContext(provider, 0); - if (result) - return len; - } - - for (rlen = 0; rlen < (int)len; ++rlen) - { - if (rlen % 8 == 0) - QueryPerformanceCounter((LARGE_INTEGER *)pentium_tsc); - buf[rlen] = ((unsigned char*)pentium_tsc)[rlen % 8]; - } -#else - int frand = open("/dev/urandom", O_RDONLY); - if (frand != -1) - { - rlen = (int)read(frand, buf, len); - close(frand); - } -#endif - if (rlen < (int)len) - { - /* Ensure different random header each time */ - if (++calls == 1) - srand((unsigned)(time(NULL) ^ ZCR_SEED2)); - - while (rlen < (int)len) - buf[rlen++] = (rand() >> 7) & 0xff; - } - return rlen; -} - -int crypthead(const char *passwd, uint8_t *buf, int buf_size, uint32_t *pkeys, - const z_crc_t *pcrc_32_tab, uint8_t verify1, uint8_t verify2) -{ - uint8_t n = 0; /* index in random header */ - uint8_t header[RAND_HEAD_LEN-2]; /* random header */ - uint16_t t = 0; /* temporary */ - - if (buf_size < RAND_HEAD_LEN) - return 0; - - init_keys(passwd, pkeys, pcrc_32_tab); - - /* First generate RAND_HEAD_LEN-2 random bytes. */ - cryptrand(header, RAND_HEAD_LEN-2); - - /* Encrypt random header (last two bytes is high word of crc) */ - init_keys(passwd, pkeys, pcrc_32_tab); - - for (n = 0; n < RAND_HEAD_LEN-2; n++) - buf[n] = (uint8_t)zencode(pkeys, pcrc_32_tab, header[n], t); - - buf[n++] = (uint8_t)zencode(pkeys, pcrc_32_tab, verify1, t); - buf[n++] = (uint8_t)zencode(pkeys, pcrc_32_tab, verify2, t); - return n; -} - -#ifdef _WIN32 -# pragma warning(pop) -#endif // _WIN32 - -/***************************************************************************/ diff --git a/src/mesh/assimp-master/contrib/unzip/crypt.h b/src/mesh/assimp-master/contrib/unzip/crypt.h deleted file mode 100644 index 78146eb..0000000 --- a/src/mesh/assimp-master/contrib/unzip/crypt.h +++ /dev/null @@ -1,63 +0,0 @@ -/* crypt.h -- base code for traditional PKWARE encryption - Version 1.01e, February 12th, 2005 - - Copyright (C) 1998-2005 Gilles Vollant - Modifications for Info-ZIP crypting - Copyright (C) 2003 Terry Thorsen - - This code is a modified version of crypting code in Info-ZIP distribution - - Copyright (C) 1990-2000 Info-ZIP. All rights reserved. - - 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 _MINICRYPT_H -#define _MINICRYPT_H - -#if ZLIB_VERNUM < 0x1270 -#if !defined(Z_U4) -typedef unsigned long z_crc_t; -#endif -#endif - -#ifdef __cplusplus -extern "C" { -#endif - -#define RAND_HEAD_LEN 12 - -/***************************************************************************/ - -#define zdecode(pkeys,pcrc_32_tab,c) \ - (update_keys(pkeys,pcrc_32_tab, c ^= decrypt_byte(pkeys))) - -#define zencode(pkeys,pcrc_32_tab,c,t) \ - (t = decrypt_byte(pkeys), update_keys(pkeys,pcrc_32_tab,c), t^(c)) - -/***************************************************************************/ - -/* Return the next byte in the pseudo-random sequence */ -uint8_t decrypt_byte(uint32_t *pkeys); - -/* Update the encryption keys with the next byte of plain text */ -uint8_t update_keys(uint32_t *pkeys, const z_crc_t *pcrc_32_tab, int32_t c); - -/* Initialize the encryption keys and the random header according to the given password. */ -void init_keys(const char *passwd, uint32_t *pkeys, const z_crc_t *pcrc_32_tab); - -/* Generate cryptographically secure random numbers */ -int cryptrand(unsigned char *buf, unsigned int len); - -/* Create encryption header */ -int crypthead(const char *passwd, uint8_t *buf, int buf_size, uint32_t *pkeys, - const z_crc_t *pcrc_32_tab, uint8_t verify1, uint8_t verify2); - -/***************************************************************************/ - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/src/mesh/assimp-master/contrib/unzip/ioapi.c b/src/mesh/assimp-master/contrib/unzip/ioapi.c deleted file mode 100644 index 30a296d..0000000 --- a/src/mesh/assimp-master/contrib/unzip/ioapi.c +++ /dev/null @@ -1,365 +0,0 @@ -/* ioapi.c -- IO base function header for compress/uncompress .zip - part of the MiniZip project - - Copyright (C) 1998-2010 Gilles Vollant - http://www.winimage.com/zLibDll/minizip.html - Modifications for Zip64 support - Copyright (C) 2009-2010 Mathias Svensson - http://result42.com - - 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. -*/ - -#include <stdlib.h> -#include <string.h> - -#if defined unix || defined __APPLE__ -#include <sys/types.h> -#include <unistd.h> -#endif - -#include "ioapi.h" - -#ifdef _WIN32 -# define snprintf _snprintf -# pragma warning(push) -# pragma warning(disable : 4131 4100) -# ifdef __clang__ -# pragma clang diagnostic push -# pragma clang diagnostic ignored "-Wunused-parameter" -# endif -#endif // _WIN32 - - -voidpf call_zopen64(const zlib_filefunc64_32_def *pfilefunc, const void *filename, int mode) -{ - if (pfilefunc->zfile_func64.zopen64_file != NULL) - return (*(pfilefunc->zfile_func64.zopen64_file)) (pfilefunc->zfile_func64.opaque, filename, mode); - return (*(pfilefunc->zopen32_file))(pfilefunc->zfile_func64.opaque, (const char*)filename, mode); -} - -voidpf call_zopendisk64(const zlib_filefunc64_32_def *pfilefunc, voidpf filestream, uint32_t number_disk, int mode) -{ - if (pfilefunc->zfile_func64.zopendisk64_file != NULL) - return (*(pfilefunc->zfile_func64.zopendisk64_file)) (pfilefunc->zfile_func64.opaque, filestream, number_disk, mode); - return (*(pfilefunc->zopendisk32_file))(pfilefunc->zfile_func64.opaque, filestream, number_disk, mode); -} - -long call_zseek64(const zlib_filefunc64_32_def *pfilefunc, voidpf filestream, uint64_t offset, int origin) -{ - uint32_t offset_truncated = 0; - if (pfilefunc->zfile_func64.zseek64_file != NULL) - return (*(pfilefunc->zfile_func64.zseek64_file)) (pfilefunc->zfile_func64.opaque,filestream,offset,origin); - offset_truncated = (uint32_t)offset; - if (offset_truncated != offset) - return -1; - return (*(pfilefunc->zseek32_file))(pfilefunc->zfile_func64.opaque,filestream, offset_truncated, origin); -} - -uint64_t call_ztell64(const zlib_filefunc64_32_def *pfilefunc, voidpf filestream) -{ - uint64_t position; - if (pfilefunc->zfile_func64.zseek64_file != NULL) - return (*(pfilefunc->zfile_func64.ztell64_file)) (pfilefunc->zfile_func64.opaque, filestream); - position = (*(pfilefunc->ztell32_file))(pfilefunc->zfile_func64.opaque, filestream); - if ((position) == UINT32_MAX) - return (uint64_t)-1; - return position; -} - -void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def *p_filefunc64_32, const zlib_filefunc_def *p_filefunc32) -{ - p_filefunc64_32->zfile_func64.zopen64_file = NULL; - p_filefunc64_32->zfile_func64.zopendisk64_file = NULL; - p_filefunc64_32->zopen32_file = p_filefunc32->zopen_file; - p_filefunc64_32->zopendisk32_file = p_filefunc32->zopendisk_file; - p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file; - p_filefunc64_32->zfile_func64.zread_file = p_filefunc32->zread_file; - p_filefunc64_32->zfile_func64.zwrite_file = p_filefunc32->zwrite_file; - p_filefunc64_32->zfile_func64.ztell64_file = NULL; - p_filefunc64_32->zfile_func64.zseek64_file = NULL; - p_filefunc64_32->zfile_func64.zclose_file = p_filefunc32->zclose_file; - p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file; - p_filefunc64_32->zfile_func64.opaque = p_filefunc32->opaque; - p_filefunc64_32->zseek32_file = p_filefunc32->zseek_file; - p_filefunc64_32->ztell32_file = p_filefunc32->ztell_file; -} - -static voidpf ZCALLBACK fopen_file_func(voidpf opaque, const char *filename, int mode); -static uint32_t ZCALLBACK fread_file_func(voidpf opaque, voidpf stream, void* buf, uint32_t size); -static uint32_t ZCALLBACK fwrite_file_func(voidpf opaque, voidpf stream, const void *buf, uint32_t size); -static uint64_t ZCALLBACK ftell64_file_func(voidpf opaque, voidpf stream); -static long ZCALLBACK fseek64_file_func(voidpf opaque, voidpf stream, uint64_t offset, int origin); -static int ZCALLBACK fclose_file_func(voidpf opaque, voidpf stream); -static int ZCALLBACK ferror_file_func(voidpf opaque, voidpf stream); - -typedef struct -{ - FILE *file; - int filenameLength; - void *filename; -} FILE_IOPOSIX; - -static voidpf file_build_ioposix(FILE *file, const char *filename) -{ - FILE_IOPOSIX *ioposix = NULL; - if (file == NULL) - return NULL; - ioposix = (FILE_IOPOSIX*)malloc(sizeof(FILE_IOPOSIX)); - ioposix->file = file; - ioposix->filenameLength = (int)strlen(filename) + 1; - ioposix->filename = (char*)malloc(ioposix->filenameLength * sizeof(char)); - memcpy((char*)ioposix->filename, filename, ioposix->filenameLength); - return (voidpf)ioposix; -} - -static voidpf ZCALLBACK fopen_file_func(voidpf opaque, const char *filename, int mode) -{ - FILE* file = NULL; - const char *mode_fopen = NULL; - if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER) == ZLIB_FILEFUNC_MODE_READ) - mode_fopen = "rb"; - else if (mode & ZLIB_FILEFUNC_MODE_EXISTING) - mode_fopen = "r+b"; - else if (mode & ZLIB_FILEFUNC_MODE_CREATE) - mode_fopen = "wb"; - - if ((filename != NULL) && (mode_fopen != NULL)) - { - file = fopen(filename, mode_fopen); - return file_build_ioposix(file, filename); - } - return file; -} - -static voidpf ZCALLBACK fopen64_file_func(voidpf opaque, const void *filename, int mode) -{ - FILE* file = NULL; - const char *mode_fopen = NULL; - if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER) == ZLIB_FILEFUNC_MODE_READ) - mode_fopen = "rb"; - else if (mode & ZLIB_FILEFUNC_MODE_EXISTING) - mode_fopen = "r+b"; - else if (mode & ZLIB_FILEFUNC_MODE_CREATE) - mode_fopen = "wb"; - - if ((filename != NULL) && (mode_fopen != NULL)) - { - file = fopen64((const char*)filename, mode_fopen); - return file_build_ioposix(file, (const char*)filename); - } - return file; -} - -static voidpf ZCALLBACK fopendisk64_file_func(voidpf opaque, voidpf stream, uint32_t number_disk, int mode) -{ - FILE_IOPOSIX *ioposix = NULL; - char *diskFilename = NULL; - voidpf ret = NULL; - int i = 0; - - if (stream == NULL) - return NULL; - ioposix = (FILE_IOPOSIX*)stream; - diskFilename = (char*)malloc(ioposix->filenameLength * sizeof(char)); - strncpy(diskFilename, (const char*)ioposix->filename, ioposix->filenameLength); - for (i = ioposix->filenameLength - 1; i >= 0; i -= 1) - { - if (diskFilename[i] != '.') - continue; - snprintf(&diskFilename[i], ioposix->filenameLength - i, ".z%02u", number_disk + 1); - break; - } - if (i >= 0) - ret = fopen64_file_func(opaque, diskFilename, mode); - free(diskFilename); - return ret; -} - -static voidpf ZCALLBACK fopendisk_file_func(voidpf opaque, voidpf stream, uint32_t number_disk, int mode) -{ - FILE_IOPOSIX *ioposix = NULL; - char *diskFilename = NULL; - voidpf ret = NULL; - int i = 0; - - if (stream == NULL) - return NULL; - ioposix = (FILE_IOPOSIX*)stream; - diskFilename = (char*)malloc(ioposix->filenameLength * sizeof(char)); - strncpy(diskFilename, (const char*)ioposix->filename, ioposix->filenameLength); - for (i = ioposix->filenameLength - 1; i >= 0; i -= 1) - { - if (diskFilename[i] != '.') - continue; - snprintf(&diskFilename[i], ioposix->filenameLength - i, ".z%02u", number_disk + 1); - break; - } - if (i >= 0) - ret = fopen_file_func(opaque, diskFilename, mode); - free(diskFilename); - return ret; -} - -static uint32_t ZCALLBACK fread_file_func(voidpf opaque, voidpf stream, void* buf, uint32_t size) -{ - FILE_IOPOSIX *ioposix = NULL; - uint32_t read = (uint32_t)-1; - if (stream == NULL) - return read; - ioposix = (FILE_IOPOSIX*)stream; - read = (uint32_t)fread(buf, 1, (size_t)size, ioposix->file); - return read; -} - -static uint32_t ZCALLBACK fwrite_file_func(voidpf opaque, voidpf stream, const void *buf, uint32_t size) -{ - FILE_IOPOSIX *ioposix = NULL; - uint32_t written = (uint32_t)-1; - if (stream == NULL) - return written; - ioposix = (FILE_IOPOSIX*)stream; - written = (uint32_t)fwrite(buf, 1, (size_t)size, ioposix->file); - return written; -} - -static long ZCALLBACK ftell_file_func(voidpf opaque, voidpf stream) -{ - FILE_IOPOSIX *ioposix = NULL; - long ret = -1; - if (stream == NULL) - return ret; - ioposix = (FILE_IOPOSIX*)stream; - ret = ftell(ioposix->file); - return ret; -} - -static uint64_t ZCALLBACK ftell64_file_func(voidpf opaque, voidpf stream) -{ - FILE_IOPOSIX *ioposix = NULL; - uint64_t ret = (uint64_t)-1; - if (stream == NULL) - return ret; - ioposix = (FILE_IOPOSIX*)stream; - ret = ftello64(ioposix->file); - return ret; -} - -static long ZCALLBACK fseek_file_func(voidpf opaque, voidpf stream, uint32_t offset, int origin) -{ - FILE_IOPOSIX *ioposix = NULL; - int fseek_origin = 0; - long ret = 0; - - if (stream == NULL) - return -1; - ioposix = (FILE_IOPOSIX*)stream; - - switch (origin) - { - case ZLIB_FILEFUNC_SEEK_CUR: - fseek_origin = SEEK_CUR; - break; - case ZLIB_FILEFUNC_SEEK_END: - fseek_origin = SEEK_END; - break; - case ZLIB_FILEFUNC_SEEK_SET: - fseek_origin = SEEK_SET; - break; - default: - return -1; - } - if (fseek(ioposix->file, offset, fseek_origin) != 0) - ret = -1; - return ret; -} - -static long ZCALLBACK fseek64_file_func(voidpf opaque, voidpf stream, uint64_t offset, int origin) -{ - FILE_IOPOSIX *ioposix = NULL; - int fseek_origin = 0; - long ret = 0; - - if (stream == NULL) - return -1; - ioposix = (FILE_IOPOSIX*)stream; - - switch (origin) - { - case ZLIB_FILEFUNC_SEEK_CUR: - fseek_origin = SEEK_CUR; - break; - case ZLIB_FILEFUNC_SEEK_END: - fseek_origin = SEEK_END; - break; - case ZLIB_FILEFUNC_SEEK_SET: - fseek_origin = SEEK_SET; - break; - default: - return -1; - } - - if (fseeko64(ioposix->file, offset, fseek_origin) != 0) - ret = -1; - - return ret; -} - -static int ZCALLBACK fclose_file_func(voidpf opaque, voidpf stream) -{ - FILE_IOPOSIX *ioposix = NULL; - int ret = -1; - if (stream == NULL) - return ret; - ioposix = (FILE_IOPOSIX*)stream; - if (ioposix->filename != NULL) - free(ioposix->filename); - ret = fclose(ioposix->file); - free(ioposix); - return ret; -} - -static int ZCALLBACK ferror_file_func(voidpf opaque, voidpf stream) -{ - FILE_IOPOSIX *ioposix = NULL; - int ret = -1; - if (stream == NULL) - return ret; - ioposix = (FILE_IOPOSIX*)stream; - ret = ferror(ioposix->file); - return ret; -} - -void fill_fopen_filefunc(zlib_filefunc_def *pzlib_filefunc_def) -{ - pzlib_filefunc_def->zopen_file = fopen_file_func; - pzlib_filefunc_def->zopendisk_file = fopendisk_file_func; - pzlib_filefunc_def->zread_file = fread_file_func; - pzlib_filefunc_def->zwrite_file = fwrite_file_func; - pzlib_filefunc_def->ztell_file = ftell_file_func; - pzlib_filefunc_def->zseek_file = fseek_file_func; - pzlib_filefunc_def->zclose_file = fclose_file_func; - pzlib_filefunc_def->zerror_file = ferror_file_func; - pzlib_filefunc_def->opaque = NULL; -} - -void fill_fopen64_filefunc(zlib_filefunc64_def *pzlib_filefunc_def) -{ - pzlib_filefunc_def->zopen64_file = fopen64_file_func; - pzlib_filefunc_def->zopendisk64_file = fopendisk64_file_func; - pzlib_filefunc_def->zread_file = fread_file_func; - pzlib_filefunc_def->zwrite_file = fwrite_file_func; - pzlib_filefunc_def->ztell64_file = ftell64_file_func; - pzlib_filefunc_def->zseek64_file = fseek64_file_func; - pzlib_filefunc_def->zclose_file = fclose_file_func; - pzlib_filefunc_def->zerror_file = ferror_file_func; - pzlib_filefunc_def->opaque = NULL; -} - -#ifdef _WIN32 -# pragma warning(pop) -# ifdef __clang__ -# pragma clang diagnostic pop -# endif -#endif // _WIN32 diff --git a/src/mesh/assimp-master/contrib/unzip/ioapi.h b/src/mesh/assimp-master/contrib/unzip/ioapi.h deleted file mode 100644 index 0e49543..0000000 --- a/src/mesh/assimp-master/contrib/unzip/ioapi.h +++ /dev/null @@ -1,145 +0,0 @@ -/* ioapi.h -- IO base function header for compress/uncompress .zip - part of the MiniZip project - - Copyright (C) 1998-2010 Gilles Vollant - http://www.winimage.com/zLibDll/minizip.html - Modifications for Zip64 support - Copyright (C) 2009-2010 Mathias Svensson - http://result42.com - - 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 _ZLIBIOAPI64_H -#define _ZLIBIOAPI64_H - -#include <stdio.h> -#include <stdlib.h> -#include <stdint.h> - -#include "zlib.h" - -#if defined(USE_FILE32API) -# define fopen64 fopen -# define ftello64 ftell -# define fseeko64 fseek -#else -#if defined(_MSC_VER) -# define fopen64 fopen -# if (_MSC_VER >= 1400) && (!(defined(NO_MSCVER_FILE64_FUNC))) -# define ftello64 _ftelli64 -# define fseeko64 _fseeki64 -# else /* old MSC */ -# define ftello64 ftell -# define fseeko64 fseek -# endif -#else -# define fopen64 fopen -# define ftello64 ftello -# define fseeko64 fseeko -#endif -#endif - -#ifdef __cplusplus -extern "C" { -#endif - -#define ZLIB_FILEFUNC_SEEK_CUR (1) -#define ZLIB_FILEFUNC_SEEK_END (2) -#define ZLIB_FILEFUNC_SEEK_SET (0) - -#define ZLIB_FILEFUNC_MODE_READ (1) -#define ZLIB_FILEFUNC_MODE_WRITE (2) -#define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3) -#define ZLIB_FILEFUNC_MODE_EXISTING (4) -#define ZLIB_FILEFUNC_MODE_CREATE (8) - -#ifndef ZCALLBACK -# if (defined(WIN32) || defined(_WIN32) || defined (WINDOWS) || \ - defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK) -# define ZCALLBACK CALLBACK -# else -# define ZCALLBACK -# endif -#endif - -typedef voidpf (ZCALLBACK *open_file_func) (voidpf opaque, const char *filename, int mode); -typedef voidpf (ZCALLBACK *opendisk_file_func) (voidpf opaque, voidpf stream, uint32_t number_disk, int mode); -typedef uint32_t (ZCALLBACK *read_file_func) (voidpf opaque, voidpf stream, void* buf, uint32_t size); -typedef uint32_t (ZCALLBACK *write_file_func) (voidpf opaque, voidpf stream, const void *buf, uint32_t size); -typedef int (ZCALLBACK *close_file_func) (voidpf opaque, voidpf stream); -typedef int (ZCALLBACK *error_file_func) (voidpf opaque, voidpf stream); - -typedef long (ZCALLBACK *tell_file_func) (voidpf opaque, voidpf stream); -typedef long (ZCALLBACK *seek_file_func) (voidpf opaque, voidpf stream, uint32_t offset, int origin); - -/* here is the "old" 32 bits structure structure */ -typedef struct zlib_filefunc_def_s -{ - open_file_func zopen_file; - opendisk_file_func zopendisk_file; - read_file_func zread_file; - write_file_func zwrite_file; - tell_file_func ztell_file; - seek_file_func zseek_file; - close_file_func zclose_file; - error_file_func zerror_file; - voidpf opaque; -} zlib_filefunc_def; - -typedef uint64_t (ZCALLBACK *tell64_file_func) (voidpf opaque, voidpf stream); -typedef long (ZCALLBACK *seek64_file_func) (voidpf opaque, voidpf stream, uint64_t offset, int origin); -typedef voidpf (ZCALLBACK *open64_file_func) (voidpf opaque, const void *filename, int mode); -typedef voidpf (ZCALLBACK *opendisk64_file_func)(voidpf opaque, voidpf stream, uint32_t number_disk, int mode); - -typedef struct zlib_filefunc64_def_s -{ - open64_file_func zopen64_file; - opendisk64_file_func zopendisk64_file; - read_file_func zread_file; - write_file_func zwrite_file; - tell64_file_func ztell64_file; - seek64_file_func zseek64_file; - close_file_func zclose_file; - error_file_func zerror_file; - voidpf opaque; -} zlib_filefunc64_def; - -void fill_fopen_filefunc(zlib_filefunc_def *pzlib_filefunc_def); -void fill_fopen64_filefunc(zlib_filefunc64_def *pzlib_filefunc_def); - -/* now internal definition, only for zip.c and unzip.h */ -typedef struct zlib_filefunc64_32_def_s -{ - zlib_filefunc64_def zfile_func64; - open_file_func zopen32_file; - opendisk_file_func zopendisk32_file; - tell_file_func ztell32_file; - seek_file_func zseek32_file; -} zlib_filefunc64_32_def; - -#define ZREAD64(filefunc,filestream,buf,size) ((*((filefunc).zfile_func64.zread_file)) ((filefunc).zfile_func64.opaque,filestream,buf,size)) -#define ZWRITE64(filefunc,filestream,buf,size) ((*((filefunc).zfile_func64.zwrite_file)) ((filefunc).zfile_func64.opaque,filestream,buf,size)) -/*#define ZTELL64(filefunc,filestream) ((*((filefunc).ztell64_file)) ((filefunc).opaque,filestream))*/ -/*#define ZSEEK64(filefunc,filestream,pos,mode) ((*((filefunc).zseek64_file)) ((filefunc).opaque,filestream,pos,mode))*/ -#define ZCLOSE64(filefunc,filestream) ((*((filefunc).zfile_func64.zclose_file)) ((filefunc).zfile_func64.opaque,filestream)) -#define ZERROR64(filefunc,filestream) ((*((filefunc).zfile_func64.zerror_file)) ((filefunc).zfile_func64.opaque,filestream)) - -voidpf call_zopen64(const zlib_filefunc64_32_def *pfilefunc,const void*filename, int mode); -voidpf call_zopendisk64(const zlib_filefunc64_32_def *pfilefunc, voidpf filestream, uint32_t number_disk, int mode); -long call_zseek64(const zlib_filefunc64_32_def *pfilefunc, voidpf filestream, uint64_t offset, int origin); -uint64_t call_ztell64(const zlib_filefunc64_32_def *pfilefunc, voidpf filestream); - -void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def *p_filefunc64_32, const zlib_filefunc_def *p_filefunc32); - -#define ZOPEN64(filefunc,filename,mode) (call_zopen64((&(filefunc)),(filename),(mode))) -#define ZOPENDISK64(filefunc,filestream,diskn,mode) (call_zopendisk64((&(filefunc)),(filestream),(diskn),(mode))) -#define ZTELL64(filefunc,filestream) (call_ztell64((&(filefunc)),(filestream))) -#define ZSEEK64(filefunc,filestream,pos,mode) (call_zseek64((&(filefunc)),(filestream),(pos),(mode))) - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/src/mesh/assimp-master/contrib/unzip/unzip.c b/src/mesh/assimp-master/contrib/unzip/unzip.c deleted file mode 100644 index f1eddee..0000000 --- a/src/mesh/assimp-master/contrib/unzip/unzip.c +++ /dev/null @@ -1,2000 +0,0 @@ -/* unzip.c -- IO for uncompress .zip files using zlib - Version 1.1, February 14h, 2010 - part of the MiniZip project - - Copyright (C) 1998-2010 Gilles Vollant - http://www.winimage.com/zLibDll/minizip.html - Modifications of Unzip for Zip64 - Copyright (C) 2007-2008 Even Rouault - Modifications for Zip64 support on both zip and unzip - Copyright (C) 2009-2010 Mathias Svensson - http://result42.com - Modifications for AES, PKWARE disk spanning - Copyright (C) 2010-2014 Nathan Moinvaziri - - 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. -*/ - -#include <stdio.h> -#include <stdlib.h> -#include <stdint.h> -#include <string.h> -#include <errno.h> - -#include "zlib.h" -#include "unzip.h" - -#ifdef HAVE_AES -# define AES_METHOD (99) -# define AES_PWVERIFYSIZE (2) -# define AES_MAXSALTLENGTH (16) -# define AES_AUTHCODESIZE (10) -# define AES_HEADERSIZE (11) -# define AES_KEYSIZE(mode) (64 + (mode * 64)) - -# include "aes/aes.h" -# include "aes/fileenc.h" -#endif -#ifdef HAVE_APPLE_COMPRESSION -# include <compression.h> -#endif - -#ifndef NOUNCRYPT -# include "crypt.h" -#endif - -#define DISKHEADERMAGIC (0x08074b50) -#define LOCALHEADERMAGIC (0x04034b50) -#define CENTRALHEADERMAGIC (0x02014b50) -#define ENDHEADERMAGIC (0x06054b50) -#define ZIP64ENDHEADERMAGIC (0x06064b50) -#define ZIP64ENDLOCHEADERMAGIC (0x07064b50) - -#define SIZECENTRALDIRITEM (0x2e) -#define SIZECENTRALHEADERLOCATOR (0x14) -#define SIZEZIPLOCALHEADER (0x1e) - -#ifndef BUFREADCOMMENT -# define BUFREADCOMMENT (0x400) -#endif - -#ifndef UNZ_BUFSIZE -# define UNZ_BUFSIZE (UINT16_MAX) -#endif -#ifndef UNZ_MAXFILENAMEINZIP -# define UNZ_MAXFILENAMEINZIP (256) -#endif - -#ifndef ALLOC -# define ALLOC(size) (malloc(size)) -#endif -#ifndef TRYFREE -# define TRYFREE(p) {if (p) free(p);} -#endif - -#ifdef _WIN32 -# pragma warning(push) -# pragma warning(disable : 4131 4244 4189 4245) -#endif // _WIN32 - -const char unz_copyright[] = - " unzip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll"; - -/* unz_file_info_internal contain internal info about a file in zipfile*/ -typedef struct unz_file_info64_internal_s -{ - uint64_t offset_curfile; /* relative offset of local header 8 bytes */ - uint64_t byte_before_the_zipfile; /* byte before the zipfile, (>0 for sfx) */ -#ifdef HAVE_AES - uint8_t aes_encryption_mode; - uint16_t aes_compression_method; - uint16_t aes_version; -#endif -} unz_file_info64_internal; - -/* file_in_zip_read_info_s contain internal information about a file in zipfile */ -typedef struct -{ - uint8_t *read_buffer; /* internal buffer for compressed data */ - z_stream stream; /* zLib stream structure for inflate */ -#ifdef HAVE_BZIP2 - bz_stream bstream; /* bzLib stream structure for bziped */ -#endif -#ifdef HAVE_APPLE_COMPRESSION - compression_stream astream; /* libcompression stream structure */ -#endif -#ifdef HAVE_AES - fcrypt_ctx aes_ctx; -#endif - uint64_t pos_in_zipfile; /* position in byte on the zipfile, for fseek */ - uint8_t stream_initialised; /* flag set if stream structure is initialised */ - - uint64_t offset_local_extrafield; /* offset of the local extra field */ - uint16_t size_local_extrafield; /* size of the local extra field */ - uint64_t pos_local_extrafield; /* position in the local extra field in read */ - uint64_t total_out_64; - - uint32_t crc32; /* crc32 of all data uncompressed */ - uint32_t crc32_wait; /* crc32 we must obtain after decompress all */ - uint64_t rest_read_compressed; /* number of byte to be decompressed */ - uint64_t rest_read_uncompressed; /* number of byte to be obtained after decomp */ - - zlib_filefunc64_32_def z_filefunc; - - voidpf filestream; /* io structore of the zipfile */ - uint16_t compression_method; /* compression method (0==store) */ - uint64_t byte_before_the_zipfile; /* byte before the zipfile, (>0 for sfx) */ - int raw; -} file_in_zip64_read_info_s; - -/* unz64_s contain internal information about the zipfile */ -typedef struct -{ - zlib_filefunc64_32_def z_filefunc; - - voidpf filestream; /* io structure of the current zipfile */ - voidpf filestream_with_CD; /* io structure of the disk with the central directory */ - - unz_global_info64 gi; /* public global information */ - - uint64_t byte_before_the_zipfile; /* byte before the zipfile, (>0 for sfx) */ - uint64_t num_file; /* number of the current file in the zipfile */ - uint64_t pos_in_central_dir; /* pos of the current file in the central dir */ - uint64_t current_file_ok; /* flag about the usability of the current file */ - uint64_t central_pos; /* position of the beginning of the central dir */ - uint32_t number_disk; /* number of the current disk, used for spanning ZIP */ - uint64_t size_central_dir; /* size of the central directory */ - uint64_t offset_central_dir; /* offset of start of central directory with - respect to the starting disk number */ - - unz_file_info64 cur_file_info; /* public info about the current file in zip*/ - unz_file_info64_internal cur_file_info_internal; - /* private info about it*/ - file_in_zip64_read_info_s *pfile_in_zip_read; - /* structure about the current file if we are decompressing it */ - int is_zip64; /* is the current file zip64 */ -#ifndef NOUNCRYPT - uint32_t keys[3]; /* keys defining the pseudo-random sequence */ - const z_crc_t *pcrc_32_tab; -#endif -} unz64_s; - -/* Read a byte from a gz_stream; Return EOF for end of file. */ -static int unzReadUInt8(const zlib_filefunc64_32_def *pzlib_filefunc_def, voidpf filestream, uint8_t *value) -{ - uint8_t c = 0; - if (ZREAD64(*pzlib_filefunc_def, filestream, &c, 1) == 1) - { - *value = (uint8_t)c; - return UNZ_OK; - } - *value = 0; - if (ZERROR64(*pzlib_filefunc_def, filestream)) - return UNZ_ERRNO; - return UNZ_EOF; -} - -static int unzReadUInt16(const zlib_filefunc64_32_def *pzlib_filefunc_def, voidpf filestream, uint16_t *value) -{ - uint16_t x; - uint8_t c = 0; - int err = UNZ_OK; - - err = unzReadUInt8(pzlib_filefunc_def, filestream, &c); - x = (uint16_t)c; - if (err == UNZ_OK) - err = unzReadUInt8(pzlib_filefunc_def, filestream, &c); - x |= ((uint16_t)c) << 8; - - if (err == UNZ_OK) - *value = x; - else - *value = 0; - return err; -} - -static int unzReadUInt32(const zlib_filefunc64_32_def *pzlib_filefunc_def, voidpf filestream, uint32_t *value) -{ - uint32_t x = 0; - uint8_t c = 0; - int err = UNZ_OK; - - err = unzReadUInt8(pzlib_filefunc_def, filestream, &c); - x = (uint32_t)c; - if (err == UNZ_OK) - err = unzReadUInt8(pzlib_filefunc_def, filestream, &c); - x |= ((uint32_t)c) << 8; - if (err == UNZ_OK) - err = unzReadUInt8(pzlib_filefunc_def, filestream, &c); - x |= ((uint32_t)c) << 16; - if (err == UNZ_OK) - err = unzReadUInt8(pzlib_filefunc_def, filestream, &c); - x += ((uint32_t)c) << 24; - - if (err == UNZ_OK) - *value = x; - else - *value = 0; - return err; -} - -static int unzReadUInt64(const zlib_filefunc64_32_def *pzlib_filefunc_def, voidpf filestream, uint64_t *value) -{ - uint64_t x = 0; - uint8_t i = 0; - int err = UNZ_OK; - - err = unzReadUInt8(pzlib_filefunc_def, filestream, &i); - x = (uint64_t)i; - if (err == UNZ_OK) - err = unzReadUInt8(pzlib_filefunc_def, filestream, &i); - x |= ((uint64_t)i) << 8; - if (err == UNZ_OK) - err = unzReadUInt8(pzlib_filefunc_def, filestream, &i); - x |= ((uint64_t)i) << 16; - if (err == UNZ_OK) - err = unzReadUInt8(pzlib_filefunc_def, filestream, &i); - x |= ((uint64_t)i) << 24; - if (err == UNZ_OK) - err = unzReadUInt8(pzlib_filefunc_def, filestream, &i); - x |= ((uint64_t)i) << 32; - if (err == UNZ_OK) - err = unzReadUInt8(pzlib_filefunc_def, filestream, &i); - x |= ((uint64_t)i) << 40; - if (err == UNZ_OK) - err = unzReadUInt8(pzlib_filefunc_def, filestream, &i); - x |= ((uint64_t)i) << 48; - if (err == UNZ_OK) - err = unzReadUInt8(pzlib_filefunc_def, filestream, &i); - x |= ((uint64_t)i) << 56; - - if (err == UNZ_OK) - *value = x; - else - *value = 0; - return err; -} - -/* Locate the Central directory of a zip file (at the end, just before the global comment) */ -static uint64_t unzSearchCentralDir(const zlib_filefunc64_32_def *pzlib_filefunc_def, voidpf filestream) -{ - uint8_t buf[BUFREADCOMMENT + 4]; - uint64_t file_size = 0; - uint64_t back_read = 4; - uint64_t max_back = UINT16_MAX; /* maximum size of global comment */ - uint64_t pos_found = 0; - uint32_t read_size = 0; - uint64_t read_pos = 0; - uint32_t i = 0; - - if (ZSEEK64(*pzlib_filefunc_def, filestream, 0, ZLIB_FILEFUNC_SEEK_END) != 0) - return 0; - - file_size = ZTELL64(*pzlib_filefunc_def, filestream); - - if (max_back > file_size) - max_back = file_size; - - while (back_read < max_back) - { - if (back_read + BUFREADCOMMENT > max_back) - back_read = max_back; - else - back_read += BUFREADCOMMENT; - - read_pos = file_size - back_read; - read_size = ((BUFREADCOMMENT + 4) < (file_size - read_pos)) ? - (BUFREADCOMMENT + 4) : (uint32_t)(file_size - read_pos); - - if (ZSEEK64(*pzlib_filefunc_def, filestream, read_pos, ZLIB_FILEFUNC_SEEK_SET) != 0) - break; - if (ZREAD64(*pzlib_filefunc_def, filestream, buf, read_size) != read_size) - break; - - for (i = read_size - 3; (i--) > 0;) - if (((*(buf+i)) == (ENDHEADERMAGIC & 0xff)) && - ((*(buf+i+1)) == (ENDHEADERMAGIC >> 8 & 0xff)) && - ((*(buf+i+2)) == (ENDHEADERMAGIC >> 16 & 0xff)) && - ((*(buf+i+3)) == (ENDHEADERMAGIC >> 24 & 0xff))) - { - pos_found = read_pos+i; - break; - } - - if (pos_found != 0) - break; - } - - return pos_found; -} - -/* Locate the Central directory 64 of a zipfile (at the end, just before the global comment) */ -static uint64_t unzSearchCentralDir64(const zlib_filefunc64_32_def *pzlib_filefunc_def, voidpf filestream, - const uint64_t endcentraloffset) -{ - uint64_t offset = 0; - uint32_t value32 = 0; - - /* Zip64 end of central directory locator */ - if (ZSEEK64(*pzlib_filefunc_def, filestream, endcentraloffset - SIZECENTRALHEADERLOCATOR, ZLIB_FILEFUNC_SEEK_SET) != 0) - return 0; - - /* Read locator signature */ - if (unzReadUInt32(pzlib_filefunc_def, filestream, &value32) != UNZ_OK) - return 0; - if (value32 != ZIP64ENDLOCHEADERMAGIC) - return 0; - /* Number of the disk with the start of the zip64 end of central directory */ - if (unzReadUInt32(pzlib_filefunc_def, filestream, &value32) != UNZ_OK) - return 0; - /* Relative offset of the zip64 end of central directory record */ - if (unzReadUInt64(pzlib_filefunc_def, filestream, &offset) != UNZ_OK) - return 0; - /* Total number of disks */ - if (unzReadUInt32(pzlib_filefunc_def, filestream, &value32) != UNZ_OK) - return 0; - /* Goto end of central directory record */ - if (ZSEEK64(*pzlib_filefunc_def, filestream, offset, ZLIB_FILEFUNC_SEEK_SET) != 0) - return 0; - /* The signature */ - if (unzReadUInt32(pzlib_filefunc_def, filestream, &value32) != UNZ_OK) - return 0; - if (value32 != ZIP64ENDHEADERMAGIC) - return 0; - - return offset; -} - -static unzFile unzOpenInternal(const void *path, zlib_filefunc64_32_def *pzlib_filefunc64_32_def) -{ - unz64_s us; - unz64_s *s = NULL; - uint64_t central_pos = 0; - uint64_t central_pos64 = 0; - uint64_t number_entry_CD = 0; - uint16_t value16 = 0; - uint32_t value32 = 0; - uint64_t value64 = 0; - voidpf filestream = NULL; - int err = UNZ_OK; - - if (unz_copyright[0] != ' ') - return NULL; - - us.filestream = NULL; - us.filestream_with_CD = NULL; - us.z_filefunc.zseek32_file = NULL; - us.z_filefunc.ztell32_file = NULL; - - if (pzlib_filefunc64_32_def == NULL) - fill_fopen64_filefunc(&us.z_filefunc.zfile_func64); - else - us.z_filefunc = *pzlib_filefunc64_32_def; - - us.filestream = ZOPEN64(us.z_filefunc, path, ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_EXISTING); - - if (us.filestream == NULL) - return NULL; - - us.filestream_with_CD = us.filestream; - us.is_zip64 = 0; - - /* Search for end of central directory header */ - central_pos = unzSearchCentralDir(&us.z_filefunc, us.filestream); - if (central_pos) - { - if (ZSEEK64(us.z_filefunc, us.filestream, central_pos, ZLIB_FILEFUNC_SEEK_SET) != 0) - err = UNZ_ERRNO; - - /* The signature, already checked */ - if (unzReadUInt32(&us.z_filefunc, us.filestream, &value32) != UNZ_OK) - err = UNZ_ERRNO; - /* Number of this disk */ - if (unzReadUInt16(&us.z_filefunc, us.filestream, &value16) != UNZ_OK) - err = UNZ_ERRNO; - us.number_disk = value16; - /* Number of the disk with the start of the central directory */ - if (unzReadUInt16(&us.z_filefunc, us.filestream, &value16) != UNZ_OK) - err = UNZ_ERRNO; - us.gi.number_disk_with_CD = value16; - /* Total number of entries in the central directory on this disk */ - if (unzReadUInt16(&us.z_filefunc, us.filestream, &value16) != UNZ_OK) - err = UNZ_ERRNO; - us.gi.number_entry = value16; - /* Total number of entries in the central directory */ - if (unzReadUInt16(&us.z_filefunc, us.filestream, &value16) != UNZ_OK) - err = UNZ_ERRNO; - number_entry_CD = value16; - if (number_entry_CD != us.gi.number_entry) - err = UNZ_BADZIPFILE; - /* Size of the central directory */ - if (unzReadUInt32(&us.z_filefunc, us.filestream, &value32) != UNZ_OK) - err = UNZ_ERRNO; - us.size_central_dir = value32; - /* Offset of start of central directory with respect to the starting disk number */ - if (unzReadUInt32(&us.z_filefunc, us.filestream, &value32) != UNZ_OK) - err = UNZ_ERRNO; - us.offset_central_dir = value32; - /* Zipfile comment length */ - if (unzReadUInt16(&us.z_filefunc, us.filestream, &us.gi.size_comment) != UNZ_OK) - err = UNZ_ERRNO; - - if (err == UNZ_OK) - { - /* Search for Zip64 end of central directory header */ - central_pos64 = unzSearchCentralDir64(&us.z_filefunc, us.filestream, central_pos); - if (central_pos64) - { - central_pos = central_pos64; - us.is_zip64 = 1; - - if (ZSEEK64(us.z_filefunc, us.filestream, central_pos, ZLIB_FILEFUNC_SEEK_SET) != 0) - err = UNZ_ERRNO; - - /* the signature, already checked */ - if (unzReadUInt32(&us.z_filefunc, us.filestream, &value32) != UNZ_OK) - err = UNZ_ERRNO; - /* size of zip64 end of central directory record */ - if (unzReadUInt64(&us.z_filefunc, us.filestream, &value64) != UNZ_OK) - err = UNZ_ERRNO; - /* version made by */ - if (unzReadUInt16(&us.z_filefunc, us.filestream, &value16) != UNZ_OK) - err = UNZ_ERRNO; - /* version needed to extract */ - if (unzReadUInt16(&us.z_filefunc, us.filestream, &value16) != UNZ_OK) - err = UNZ_ERRNO; - /* number of this disk */ - if (unzReadUInt32(&us.z_filefunc, us.filestream, &us.number_disk) != UNZ_OK) - err = UNZ_ERRNO; - /* number of the disk with the start of the central directory */ - if (unzReadUInt32(&us.z_filefunc, us.filestream, &us.gi.number_disk_with_CD) != UNZ_OK) - err = UNZ_ERRNO; - /* total number of entries in the central directory on this disk */ - if (unzReadUInt64(&us.z_filefunc, us.filestream, &us.gi.number_entry) != UNZ_OK) - err = UNZ_ERRNO; - /* total number of entries in the central directory */ - if (unzReadUInt64(&us.z_filefunc, us.filestream, &number_entry_CD) != UNZ_OK) - err = UNZ_ERRNO; - if (number_entry_CD != us.gi.number_entry) - err = UNZ_BADZIPFILE; - /* size of the central directory */ - if (unzReadUInt64(&us.z_filefunc, us.filestream, &us.size_central_dir) != UNZ_OK) - err = UNZ_ERRNO; - /* offset of start of central directory with respect to the starting disk number */ - if (unzReadUInt64(&us.z_filefunc, us.filestream, &us.offset_central_dir) != UNZ_OK) - err = UNZ_ERRNO; - } - else if ((us.gi.number_entry == UINT16_MAX) || (us.size_central_dir == UINT16_MAX) || (us.offset_central_dir == UINT32_MAX)) - err = UNZ_BADZIPFILE; - } - } - else - err = UNZ_ERRNO; - - if ((err == UNZ_OK) && (central_pos < us.offset_central_dir + us.size_central_dir)) - err = UNZ_BADZIPFILE; - - if (err != UNZ_OK) - { - ZCLOSE64(us.z_filefunc, us.filestream); - return NULL; - } - - if (us.gi.number_disk_with_CD == 0) - { - /* If there is only one disk open another stream so we don't have to seek between the CD - and the file headers constantly */ - filestream = ZOPEN64(us.z_filefunc, path, ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_EXISTING); - if (filestream != NULL) - us.filestream = filestream; - } - - /* Hack for zip files that have no respect for zip64 - if ((central_pos > 0xffffffff) && (us.offset_central_dir < 0xffffffff)) - us.offset_central_dir = central_pos - us.size_central_dir;*/ - - us.byte_before_the_zipfile = central_pos - (us.offset_central_dir + us.size_central_dir); - us.central_pos = central_pos; - us.pfile_in_zip_read = NULL; - - s = (unz64_s*)ALLOC(sizeof(unz64_s)); - if (s != NULL) - { - *s = us; - unzGoToFirstFile((unzFile)s); - } - return (unzFile)s; -} - -extern unzFile ZEXPORT unzOpen2(const char *path, zlib_filefunc_def *pzlib_filefunc32_def) -{ - if (pzlib_filefunc32_def != NULL) - { - zlib_filefunc64_32_def zlib_filefunc64_32_def_fill; - fill_zlib_filefunc64_32_def_from_filefunc32(&zlib_filefunc64_32_def_fill, pzlib_filefunc32_def); - return unzOpenInternal(path, &zlib_filefunc64_32_def_fill); - } - return unzOpenInternal(path, NULL); -} - -extern unzFile ZEXPORT unzOpen2_64(const void *path, zlib_filefunc64_def *pzlib_filefunc_def) -{ - if (pzlib_filefunc_def != NULL) - { - zlib_filefunc64_32_def zlib_filefunc64_32_def_fill; - zlib_filefunc64_32_def_fill.zfile_func64 = *pzlib_filefunc_def; - zlib_filefunc64_32_def_fill.ztell32_file = NULL; - zlib_filefunc64_32_def_fill.zseek32_file = NULL; - return unzOpenInternal(path, &zlib_filefunc64_32_def_fill); - } - return unzOpenInternal(path, NULL); -} - -extern unzFile ZEXPORT unzOpen(const char *path) -{ - return unzOpenInternal(path, NULL); -} - -extern unzFile ZEXPORT unzOpen64(const void *path) -{ - return unzOpenInternal(path, NULL); -} - -extern int ZEXPORT unzClose(unzFile file) -{ - unz64_s *s; - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - - if (s->pfile_in_zip_read != NULL) - unzCloseCurrentFile(file); - - if ((s->filestream != NULL) && (s->filestream != s->filestream_with_CD)) - ZCLOSE64(s->z_filefunc, s->filestream); - if (s->filestream_with_CD != NULL) - ZCLOSE64(s->z_filefunc, s->filestream_with_CD); - - s->filestream = NULL; - s->filestream_with_CD = NULL; - TRYFREE(s); - return UNZ_OK; -} - -/* Goto to the next available disk for spanned archives */ -static int unzGoToNextDisk(unzFile file) -{ - unz64_s *s; - uint32_t number_disk_next = 0; - - s = (unz64_s*)file; - if (s == NULL) - return UNZ_PARAMERROR; - number_disk_next = s->number_disk; - - if ((s->pfile_in_zip_read != NULL) && (s->pfile_in_zip_read->rest_read_uncompressed > 0)) - /* We are currently reading a file and we need the next sequential disk */ - number_disk_next += 1; - else - /* Goto the disk for the current file */ - number_disk_next = s->cur_file_info.disk_num_start; - - if (number_disk_next != s->number_disk) - { - /* Switch disks */ - if ((s->filestream != NULL) && (s->filestream != s->filestream_with_CD)) - ZCLOSE64(s->z_filefunc, s->filestream); - - if (number_disk_next == s->gi.number_disk_with_CD) - { - s->filestream = s->filestream_with_CD; - } - else - { - s->filestream = ZOPENDISK64(s->z_filefunc, s->filestream_with_CD, number_disk_next, - ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_EXISTING); - } - - if (s->filestream == NULL) - return UNZ_ERRNO; - - s->number_disk = number_disk_next; - } - - return UNZ_OK; -} - -extern int ZEXPORT unzGetGlobalInfo(unzFile file, unz_global_info* pglobal_info32) -{ - unz64_s *s = NULL; - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - - pglobal_info32->number_entry = (uint32_t)s->gi.number_entry; - pglobal_info32->size_comment = s->gi.size_comment; - pglobal_info32->number_disk_with_CD = s->gi.number_disk_with_CD; - return UNZ_OK; -} - -extern int ZEXPORT unzGetGlobalInfo64(unzFile file, unz_global_info64 *pglobal_info) -{ - unz64_s *s = NULL; - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - *pglobal_info = s->gi; - return UNZ_OK; -} - -extern int ZEXPORT unzGetGlobalComment(unzFile file, char *comment, uint16_t comment_size) -{ - unz64_s *s = NULL; - uint16_t bytes_to_read = comment_size; - if (file == NULL) - return (int)UNZ_PARAMERROR; - s = (unz64_s*)file; - - if (bytes_to_read > s->gi.size_comment) - bytes_to_read = s->gi.size_comment; - - if (ZSEEK64(s->z_filefunc, s->filestream_with_CD, s->central_pos + 22, ZLIB_FILEFUNC_SEEK_SET) != 0) - return UNZ_ERRNO; - - if (bytes_to_read > 0) - { - *comment = 0; - if (ZREAD64(s->z_filefunc, s->filestream_with_CD, comment, bytes_to_read) != bytes_to_read) - return UNZ_ERRNO; - } - - if ((comment != NULL) && (comment_size > s->gi.size_comment)) - *(comment + s->gi.size_comment) = 0; - - return (int)bytes_to_read; -} - -static int unzGetCurrentFileInfoField(unzFile file, uint32_t *seek, void *field, uint16_t field_size, uint16_t size_file_field, int null_terminated_field) -{ - unz64_s *s = NULL; - uint32_t bytes_to_read = 0; - int err = UNZ_OK; - - if (file == NULL) - return (int)UNZ_PARAMERROR; - s = (unz64_s*)file; - - /* Read field */ - if (field != NULL) - { - if (size_file_field < field_size) - { - if (null_terminated_field) - *((char *)field+size_file_field) = 0; - - bytes_to_read = size_file_field; - } - else - bytes_to_read = field_size; - - if (*seek != 0) - { - if (ZSEEK64(s->z_filefunc, s->filestream_with_CD, *seek, ZLIB_FILEFUNC_SEEK_CUR) == 0) - *seek = 0; - else - err = UNZ_ERRNO; - } - - if ((size_file_field > 0) && (field_size > 0)) - { - if (ZREAD64(s->z_filefunc, s->filestream_with_CD, field, bytes_to_read) != bytes_to_read) - err = UNZ_ERRNO; - } - *seek += size_file_field - bytes_to_read; - } - else - { - *seek += size_file_field; - } - - return err; -} - -/* Get info about the current file in the zipfile, with internal only info */ -static int unzGetCurrentFileInfoInternal(unzFile file, unz_file_info64 *pfile_info, - unz_file_info64_internal *pfile_info_internal, char *filename, uint16_t filename_size, void *extrafield, - uint16_t extrafield_size, char *comment, uint16_t comment_size) -{ - unz64_s *s = NULL; - unz_file_info64 file_info; - unz_file_info64_internal file_info_internal; - uint32_t magic = 0; - uint64_t current_pos = 0; - uint32_t seek = 0; - uint32_t extra_pos = 0; - uint16_t extra_header_id = 0; - uint16_t extra_data_size = 0; - uint16_t value16 = 0; - uint32_t value32 = 0; - uint64_t value64 = 0; - int err = UNZ_OK; - - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - - if (ZSEEK64(s->z_filefunc, s->filestream_with_CD, - s->pos_in_central_dir + s->byte_before_the_zipfile, ZLIB_FILEFUNC_SEEK_SET) != 0) - err = UNZ_ERRNO; - - /* Check the magic */ - if (err == UNZ_OK) - { - if (unzReadUInt32(&s->z_filefunc, s->filestream_with_CD, &magic) != UNZ_OK) - err = UNZ_ERRNO; - else if (magic != CENTRALHEADERMAGIC) - err = UNZ_BADZIPFILE; - } - - /* Read central directory header */ - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &file_info.version) != UNZ_OK) - err = UNZ_ERRNO; - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &file_info.version_needed) != UNZ_OK) - err = UNZ_ERRNO; - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &file_info.flag) != UNZ_OK) - err = UNZ_ERRNO; - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &file_info.compression_method) != UNZ_OK) - err = UNZ_ERRNO; - if (unzReadUInt32(&s->z_filefunc, s->filestream_with_CD, &file_info.dos_date) != UNZ_OK) - err = UNZ_ERRNO; - if (unzReadUInt32(&s->z_filefunc, s->filestream_with_CD, &file_info.crc) != UNZ_OK) - err = UNZ_ERRNO; - if (unzReadUInt32(&s->z_filefunc, s->filestream_with_CD, &value32) != UNZ_OK) - err = UNZ_ERRNO; - file_info.compressed_size = value32; - if (unzReadUInt32(&s->z_filefunc, s->filestream_with_CD, &value32) != UNZ_OK) - err = UNZ_ERRNO; - file_info.uncompressed_size = value32; - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &file_info.size_filename) != UNZ_OK) - err = UNZ_ERRNO; - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &file_info.size_file_extra) != UNZ_OK) - err = UNZ_ERRNO; - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &file_info.size_file_comment) != UNZ_OK) - err = UNZ_ERRNO; - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &value16) != UNZ_OK) - err = UNZ_ERRNO; - file_info.disk_num_start = value16; - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &file_info.internal_fa) != UNZ_OK) - err = UNZ_ERRNO; - if (unzReadUInt32(&s->z_filefunc, s->filestream_with_CD, &file_info.external_fa) != UNZ_OK) - err = UNZ_ERRNO; - /* Relative offset of local header */ - if (unzReadUInt32(&s->z_filefunc, s->filestream_with_CD, &value32) != UNZ_OK) - err = UNZ_ERRNO; - - file_info.size_file_extra_internal = 0; - file_info.disk_offset = value32; - file_info_internal.offset_curfile = value32; -#ifdef HAVE_AES - file_info_internal.aes_compression_method = 0; - file_info_internal.aes_encryption_mode = 0; - file_info_internal.aes_version = 0; -#endif - - if (err == UNZ_OK) - err = unzGetCurrentFileInfoField(file, &seek, filename, filename_size, file_info.size_filename, 1); - - /* Read extrafield */ - if (err == UNZ_OK) - err = unzGetCurrentFileInfoField(file, &seek, extrafield, extrafield_size, file_info.size_file_extra, 0); - - if ((err == UNZ_OK) && (file_info.size_file_extra != 0)) - { - if (seek != 0) - { - if (ZSEEK64(s->z_filefunc, s->filestream_with_CD, seek, ZLIB_FILEFUNC_SEEK_CUR) == 0) - seek = 0; - else - err = UNZ_ERRNO; - } - - /* We are going to parse the extra field so we need to move back */ - current_pos = ZTELL64(s->z_filefunc, s->filestream_with_CD); - if (current_pos < file_info.size_file_extra) - err = UNZ_ERRNO; - current_pos -= file_info.size_file_extra; - if (ZSEEK64(s->z_filefunc, s->filestream_with_CD, current_pos, ZLIB_FILEFUNC_SEEK_SET) != 0) - err = UNZ_ERRNO; - - while ((err != UNZ_ERRNO) && (extra_pos < file_info.size_file_extra)) - { - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &extra_header_id) != UNZ_OK) - err = UNZ_ERRNO; - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &extra_data_size) != UNZ_OK) - err = UNZ_ERRNO; - - /* ZIP64 extra fields */ - if (extra_header_id == 0x0001) - { - /* Subtract size of ZIP64 field, since ZIP64 is handled internally */ - file_info.size_file_extra_internal += 2 + 2 + extra_data_size; - - if (file_info.uncompressed_size == UINT32_MAX) - { - if (unzReadUInt64(&s->z_filefunc, s->filestream_with_CD, &file_info.uncompressed_size) != UNZ_OK) - err = UNZ_ERRNO; - } - if (file_info.compressed_size == UINT32_MAX) - { - if (unzReadUInt64(&s->z_filefunc, s->filestream_with_CD, &file_info.compressed_size) != UNZ_OK) - err = UNZ_ERRNO; - } - if (file_info_internal.offset_curfile == UINT32_MAX) - { - /* Relative Header offset */ - if (unzReadUInt64(&s->z_filefunc, s->filestream_with_CD, &value64) != UNZ_OK) - err = UNZ_ERRNO; - file_info_internal.offset_curfile = value64; - file_info.disk_offset = value64; - } - if (file_info.disk_num_start == UINT32_MAX) - { - /* Disk Start Number */ - if (unzReadUInt32(&s->z_filefunc, s->filestream_with_CD, &file_info.disk_num_start) != UNZ_OK) - err = UNZ_ERRNO; - } - } -#ifdef HAVE_AES - /* AES header */ - else if (extra_header_id == 0x9901) - { - uint8_t value8 = 0; - - /* Subtract size of AES field, since AES is handled internally */ - file_info.size_file_extra_internal += 2 + 2 + extra_data_size; - - /* Verify version info */ - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &value16) != UNZ_OK) - err = UNZ_ERRNO; - /* Support AE-1 and AE-2 */ - if (value16 != 1 && value16 != 2) - err = UNZ_ERRNO; - file_info_internal.aes_version = value16; - if (unzReadUInt8(&s->z_filefunc, s->filestream_with_CD, &value8) != UNZ_OK) - err = UNZ_ERRNO; - if ((char)value8 != 'A') - err = UNZ_ERRNO; - if (unzReadUInt8(&s->z_filefunc, s->filestream_with_CD, &value8) != UNZ_OK) - err = UNZ_ERRNO; - if ((char)value8 != 'E') - err = UNZ_ERRNO; - /* Get AES encryption strength and actual compression method */ - if (unzReadUInt8(&s->z_filefunc, s->filestream_with_CD, &value8) != UNZ_OK) - err = UNZ_ERRNO; - file_info_internal.aes_encryption_mode = value8; - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &value16) != UNZ_OK) - err = UNZ_ERRNO; - file_info_internal.aes_compression_method = value16; - } -#endif - else - { - if (ZSEEK64(s->z_filefunc, s->filestream_with_CD,extra_data_size, ZLIB_FILEFUNC_SEEK_CUR) != 0) - err = UNZ_ERRNO; - } - - extra_pos += 2 + 2 + extra_data_size; - } - } - - if (file_info.disk_num_start == s->gi.number_disk_with_CD) - file_info_internal.byte_before_the_zipfile = s->byte_before_the_zipfile; - else - file_info_internal.byte_before_the_zipfile = 0; - - if (err == UNZ_OK) - err = unzGetCurrentFileInfoField(file, &seek, comment, comment_size, file_info.size_file_comment, 1); - - if ((err == UNZ_OK) && (pfile_info != NULL)) - *pfile_info = file_info; - if ((err == UNZ_OK) && (pfile_info_internal != NULL)) - *pfile_info_internal = file_info_internal; - - return err; -} - -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) -{ - unz_file_info64 file_info64; - int err = UNZ_OK; - - err = unzGetCurrentFileInfoInternal(file, &file_info64, NULL, filename, filename_size, - extrafield, extrafield_size, comment, comment_size); - - if ((err == UNZ_OK) && (pfile_info != NULL)) - { - pfile_info->version = file_info64.version; - pfile_info->version_needed = file_info64.version_needed; - pfile_info->flag = file_info64.flag; - pfile_info->compression_method = file_info64.compression_method; - pfile_info->dos_date = file_info64.dos_date; - pfile_info->crc = file_info64.crc; - - pfile_info->size_filename = file_info64.size_filename; - pfile_info->size_file_extra = file_info64.size_file_extra - file_info64.size_file_extra_internal; - pfile_info->size_file_comment = file_info64.size_file_comment; - - pfile_info->disk_num_start = (uint16_t)file_info64.disk_num_start; - pfile_info->internal_fa = file_info64.internal_fa; - pfile_info->external_fa = file_info64.external_fa; - - pfile_info->compressed_size = (uint32_t)file_info64.compressed_size; - pfile_info->uncompressed_size = (uint32_t)file_info64.uncompressed_size; - } - return err; -} - -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) -{ - return unzGetCurrentFileInfoInternal(file, pfile_info, NULL, filename, filename_size, - extrafield, extrafield_size, comment,comment_size); -} - -/* Read the local header of the current zipfile. Check the coherency of the local header and info in the - end of central directory about this file store in *piSizeVar the size of extra info in local header - (filename and size of extra field data) */ -static int unzCheckCurrentFileCoherencyHeader(unz64_s *s, uint32_t *psize_variable, uint64_t *poffset_local_extrafield, - uint16_t *psize_local_extrafield) -{ - uint32_t magic = 0; - uint16_t value16 = 0; - uint32_t value32 = 0; - uint32_t flags = 0; - uint16_t size_filename = 0; - uint16_t size_extra_field = 0; - uint16_t compression_method = 0; - int err = UNZ_OK; - - if (psize_variable == NULL) - return UNZ_PARAMERROR; - *psize_variable = 0; - if (poffset_local_extrafield == NULL) - return UNZ_PARAMERROR; - *poffset_local_extrafield = 0; - if (psize_local_extrafield == NULL) - return UNZ_PARAMERROR; - *psize_local_extrafield = 0; - - err = unzGoToNextDisk((unzFile)s); - if (err != UNZ_OK) - return err; - - if (ZSEEK64(s->z_filefunc, s->filestream, s->cur_file_info_internal.offset_curfile + - s->cur_file_info_internal.byte_before_the_zipfile, ZLIB_FILEFUNC_SEEK_SET) != 0) - return UNZ_ERRNO; - - if (err == UNZ_OK) - { - if (unzReadUInt32(&s->z_filefunc, s->filestream, &magic) != UNZ_OK) - err = UNZ_ERRNO; - else if (magic != LOCALHEADERMAGIC) - err = UNZ_BADZIPFILE; - } - - if (unzReadUInt16(&s->z_filefunc, s->filestream, &value16) != UNZ_OK) - err = UNZ_ERRNO; - if (unzReadUInt16(&s->z_filefunc, s->filestream, &value16) != UNZ_OK) - err = UNZ_ERRNO; - flags = value16; - if (unzReadUInt16(&s->z_filefunc, s->filestream, &value16) != UNZ_OK) - err = UNZ_ERRNO; - else if ((err == UNZ_OK) && (value16 != s->cur_file_info.compression_method)) - err = UNZ_BADZIPFILE; - - compression_method = s->cur_file_info.compression_method; -#ifdef HAVE_AES - if (compression_method == AES_METHOD) - compression_method = s->cur_file_info_internal.aes_compression_method; -#endif - - if ((err == UNZ_OK) && (compression_method != 0) && (compression_method != Z_DEFLATED)) - { -#ifdef HAVE_BZIP2 - if (compression_method != Z_BZIP2ED) -#endif - err = UNZ_BADZIPFILE; - } - - if (unzReadUInt32(&s->z_filefunc, s->filestream, &value32) != UNZ_OK) /* date/time */ - err = UNZ_ERRNO; - if (unzReadUInt32(&s->z_filefunc, s->filestream, &value32) != UNZ_OK) /* crc */ - err = UNZ_ERRNO; - else if ((err == UNZ_OK) && (value32 != s->cur_file_info.crc) && ((flags & 8) == 0)) - err = UNZ_BADZIPFILE; - if (unzReadUInt32(&s->z_filefunc, s->filestream, &value32) != UNZ_OK) /* size compr */ - err = UNZ_ERRNO; - else if ((value32 != UINT32_MAX) && (err == UNZ_OK) && (value32 != s->cur_file_info.compressed_size) && ((flags & 8) == 0)) - err = UNZ_BADZIPFILE; - if (unzReadUInt32(&s->z_filefunc, s->filestream, &value32) != UNZ_OK) /* size uncompr */ - err = UNZ_ERRNO; - else if ((value32 != UINT32_MAX) && (err == UNZ_OK) && (value32 != s->cur_file_info.uncompressed_size) && ((flags & 8) == 0)) - err = UNZ_BADZIPFILE; - if (unzReadUInt16(&s->z_filefunc, s->filestream, &size_filename) != UNZ_OK) - err = UNZ_ERRNO; - else if ((err == UNZ_OK) && (size_filename != s->cur_file_info.size_filename)) - err = UNZ_BADZIPFILE; - - *psize_variable += size_filename; - - if (unzReadUInt16(&s->z_filefunc, s->filestream, &size_extra_field) != UNZ_OK) - err = UNZ_ERRNO; - - *poffset_local_extrafield = s->cur_file_info_internal.offset_curfile + SIZEZIPLOCALHEADER + size_filename; - *psize_local_extrafield = size_extra_field; - *psize_variable += size_extra_field; - - return err; -} - -/* - Open for reading data the current file in the zipfile. - If there is no error and the file is opened, the return value is UNZ_OK. -*/ -extern int ZEXPORT unzOpenCurrentFile3(unzFile file, int *method, int *level, int raw, const char *password) -{ - unz64_s *s = NULL; - file_in_zip64_read_info_s *pfile_in_zip_read_info = NULL; - uint16_t compression_method = 0; - uint64_t offset_local_extrafield = 0; - uint16_t size_local_extrafield = 0; - uint32_t size_variable = 0; - int err = UNZ_OK; -#ifndef NOUNCRYPT - char source[12]; -#else - if (password != NULL) - return UNZ_PARAMERROR; -#endif - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - if (!s->current_file_ok) - return UNZ_PARAMERROR; - - if (s->pfile_in_zip_read != NULL) - unzCloseCurrentFile(file); - - if (unzCheckCurrentFileCoherencyHeader(s, &size_variable, &offset_local_extrafield, &size_local_extrafield) != UNZ_OK) - return UNZ_BADZIPFILE; - - pfile_in_zip_read_info = (file_in_zip64_read_info_s*)ALLOC(sizeof(file_in_zip64_read_info_s)); - if (pfile_in_zip_read_info == NULL) - return UNZ_INTERNALERROR; - - pfile_in_zip_read_info->read_buffer = (uint8_t*)ALLOC(UNZ_BUFSIZE); - pfile_in_zip_read_info->offset_local_extrafield = offset_local_extrafield; - pfile_in_zip_read_info->size_local_extrafield = size_local_extrafield; - pfile_in_zip_read_info->pos_local_extrafield = 0; - pfile_in_zip_read_info->raw = raw; - - if (pfile_in_zip_read_info->read_buffer == NULL) - { - TRYFREE(pfile_in_zip_read_info); - return UNZ_INTERNALERROR; - } - - pfile_in_zip_read_info->stream_initialised = 0; - - compression_method = s->cur_file_info.compression_method; -#ifdef HAVE_AES - if (compression_method == AES_METHOD) - { - compression_method = s->cur_file_info_internal.aes_compression_method; - if (password == NULL) - { - TRYFREE(pfile_in_zip_read_info); - return UNZ_PARAMERROR; - } - } -#endif - - if (method != NULL) - *method = compression_method; - - if (level != NULL) - { - *level = 6; - switch (s->cur_file_info.flag & 0x06) - { - case 6 : *level = 1; break; - case 4 : *level = 2; break; - case 2 : *level = 9; break; - } - } - - if ((compression_method != 0) && (compression_method != Z_DEFLATED)) - { -#ifdef HAVE_BZIP2 - if (compression_method != Z_BZIP2ED) -#endif - { - TRYFREE(pfile_in_zip_read_info); - return UNZ_BADZIPFILE; - } - } - - pfile_in_zip_read_info->crc32_wait = s->cur_file_info.crc; - pfile_in_zip_read_info->crc32 = 0; - pfile_in_zip_read_info->total_out_64 = 0; - pfile_in_zip_read_info->compression_method = compression_method; - pfile_in_zip_read_info->filestream = s->filestream; - pfile_in_zip_read_info->z_filefunc = s->z_filefunc; - if (s->number_disk == s->gi.number_disk_with_CD) - pfile_in_zip_read_info->byte_before_the_zipfile = s->byte_before_the_zipfile; - else - pfile_in_zip_read_info->byte_before_the_zipfile = 0; - pfile_in_zip_read_info->stream.total_out = 0; - pfile_in_zip_read_info->stream.total_in = 0; - pfile_in_zip_read_info->stream.next_in = NULL; - - if (!raw) - { - if (compression_method == Z_BZIP2ED) - { -#ifdef HAVE_BZIP2 - pfile_in_zip_read_info->bstream.bzalloc = (void *(*) (void *, int, int))0; - pfile_in_zip_read_info->bstream.bzfree = (free_func)0; - pfile_in_zip_read_info->bstream.opaque = (voidpf)0; - pfile_in_zip_read_info->bstream.state = (voidpf)0; - - pfile_in_zip_read_info->stream.zalloc = (alloc_func)0; - pfile_in_zip_read_info->stream.zfree = (free_func)0; - pfile_in_zip_read_info->stream.opaque = (voidpf)0; - pfile_in_zip_read_info->stream.next_in = (voidpf)0; - pfile_in_zip_read_info->stream.avail_in = 0; - - err = BZ2_bzDecompressInit(&pfile_in_zip_read_info->bstream, 0, 0); - if (err == Z_OK) - { - pfile_in_zip_read_info->stream_initialised = Z_BZIP2ED; - } - else - { - TRYFREE(pfile_in_zip_read_info); - return err; - } -#else - pfile_in_zip_read_info->raw = 1; -#endif - } - else if (compression_method == Z_DEFLATED) - { - pfile_in_zip_read_info->stream.zalloc = (alloc_func)0; - pfile_in_zip_read_info->stream.zfree = (free_func)0; - pfile_in_zip_read_info->stream.opaque = (voidpf)s; - pfile_in_zip_read_info->stream.next_in = 0; - pfile_in_zip_read_info->stream.avail_in = 0; - -#ifdef HAVE_APPLE_COMPRESSION - err = compression_stream_init(&pfile_in_zip_read_info->astream, COMPRESSION_STREAM_DECODE, COMPRESSION_ZLIB); - if (err == COMPRESSION_STATUS_ERROR) - err = UNZ_INTERNALERROR; - else - err = Z_OK; -#else - err = inflateInit2(&pfile_in_zip_read_info->stream, -MAX_WBITS); -#endif - if (err == Z_OK) - { - pfile_in_zip_read_info->stream_initialised = Z_DEFLATED; - } - else - { - TRYFREE(pfile_in_zip_read_info); - return err; - } - /* windowBits is passed < 0 to tell that there is no zlib header. - * Note that in this case inflate *requires* an extra "dummy" byte - * after the compressed stream in order to complete decompression and - * return Z_STREAM_END. - * In unzip, i don't wait absolutely Z_STREAM_END because I known the - * size of both compressed and uncompressed data - */ - } - } - - pfile_in_zip_read_info->rest_read_compressed = s->cur_file_info.compressed_size; - pfile_in_zip_read_info->rest_read_uncompressed = s->cur_file_info.uncompressed_size; - pfile_in_zip_read_info->pos_in_zipfile = s->cur_file_info_internal.offset_curfile + SIZEZIPLOCALHEADER + size_variable; - pfile_in_zip_read_info->stream.avail_in = 0; - - s->pfile_in_zip_read = pfile_in_zip_read_info; - -#ifndef NOUNCRYPT - s->pcrc_32_tab = NULL; - - if ((password != NULL) && ((s->cur_file_info.flag & 1) != 0)) - { - if (ZSEEK64(s->z_filefunc, s->filestream, - s->pfile_in_zip_read->pos_in_zipfile + s->pfile_in_zip_read->byte_before_the_zipfile, - ZLIB_FILEFUNC_SEEK_SET) != 0) - return UNZ_INTERNALERROR; -#ifdef HAVE_AES - if (s->cur_file_info.compression_method == AES_METHOD) - { - unsigned char passverify_archive[AES_PWVERIFYSIZE]; - unsigned char passverify_password[AES_PWVERIFYSIZE]; - unsigned char salt_value[AES_MAXSALTLENGTH]; - uint32_t salt_length = 0; - - if ((s->cur_file_info_internal.aes_encryption_mode < 1) || - (s->cur_file_info_internal.aes_encryption_mode > 3)) - return UNZ_INTERNALERROR; - - salt_length = SALT_LENGTH(s->cur_file_info_internal.aes_encryption_mode); - - if (ZREAD64(s->z_filefunc, s->filestream, salt_value, salt_length) != salt_length) - return UNZ_INTERNALERROR; - if (ZREAD64(s->z_filefunc, s->filestream, passverify_archive, AES_PWVERIFYSIZE) != AES_PWVERIFYSIZE) - return UNZ_INTERNALERROR; - - fcrypt_init(s->cur_file_info_internal.aes_encryption_mode, (uint8_t *)password, - (uint32_t)strlen(password), salt_value, passverify_password, &s->pfile_in_zip_read->aes_ctx); - - if (memcmp(passverify_archive, passverify_password, AES_PWVERIFYSIZE) != 0) - return UNZ_BADPASSWORD; - - s->pfile_in_zip_read->rest_read_compressed -= salt_length + AES_PWVERIFYSIZE; - s->pfile_in_zip_read->rest_read_compressed -= AES_AUTHCODESIZE; - - s->pfile_in_zip_read->pos_in_zipfile += salt_length + AES_PWVERIFYSIZE; - } - else -#endif - { - int i; - s->pcrc_32_tab = (const z_crc_t*)get_crc_table(); - init_keys(password, s->keys, s->pcrc_32_tab); - - if (ZREAD64(s->z_filefunc, s->filestream, source, 12) < 12) - return UNZ_INTERNALERROR; - - for (i = 0; i < 12; i++) - zdecode(s->keys, s->pcrc_32_tab, source[i]); - - s->pfile_in_zip_read->rest_read_compressed -= 12; - s->pfile_in_zip_read->pos_in_zipfile += 12; - } - } -#endif - - return UNZ_OK; -} - -extern int ZEXPORT unzOpenCurrentFile(unzFile file) -{ - return unzOpenCurrentFile3(file, NULL, NULL, 0, NULL); -} - -extern int ZEXPORT unzOpenCurrentFilePassword(unzFile file, const char *password) -{ - return unzOpenCurrentFile3(file, NULL, NULL, 0, password); -} - -extern int ZEXPORT unzOpenCurrentFile2(unzFile file, int *method, int *level, int raw) -{ - return unzOpenCurrentFile3(file, method, level, raw, NULL); -} - -/* Read bytes from the current file. - buf contain buffer where data must be copied - len the size of buf. - - return the number of byte copied if some 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 unzReadCurrentFile(unzFile file, voidp buf, uint32_t len) -{ - unz64_s *s = NULL; - uint32_t read = 0; - int err = UNZ_OK; - - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - - if (s->pfile_in_zip_read == NULL) - return UNZ_PARAMERROR; - if (s->pfile_in_zip_read->read_buffer == NULL) - return UNZ_END_OF_LIST_OF_FILE; - if (len == 0) - return 0; - if (len > UINT16_MAX) - return UNZ_PARAMERROR; - - s->pfile_in_zip_read->stream.next_out = (uint8_t*)buf; - s->pfile_in_zip_read->stream.avail_out = (uint16_t)len; - - if (s->pfile_in_zip_read->raw) - { - if (len > s->pfile_in_zip_read->rest_read_compressed + s->pfile_in_zip_read->stream.avail_in) - s->pfile_in_zip_read->stream.avail_out = (uint16_t)s->pfile_in_zip_read->rest_read_compressed + - s->pfile_in_zip_read->stream.avail_in; - } - else - { - if (len > s->pfile_in_zip_read->rest_read_uncompressed) - s->pfile_in_zip_read->stream.avail_out = (uint16_t)s->pfile_in_zip_read->rest_read_uncompressed; - } - - do - { - if (s->pfile_in_zip_read->stream.avail_in == 0) - { - uint32_t bytes_to_read = UNZ_BUFSIZE; - uint32_t bytes_not_read = 0; - uint32_t bytes_read = 0; - uint32_t total_bytes_read = 0; - - if (s->pfile_in_zip_read->stream.next_in != NULL) - bytes_not_read = (uint32_t)(s->pfile_in_zip_read->read_buffer + UNZ_BUFSIZE - - s->pfile_in_zip_read->stream.next_in); - bytes_to_read -= bytes_not_read; - if (bytes_not_read > 0) - memcpy(s->pfile_in_zip_read->read_buffer, s->pfile_in_zip_read->stream.next_in, bytes_not_read); - if (s->pfile_in_zip_read->rest_read_compressed < bytes_to_read) - bytes_to_read = (uint16_t)s->pfile_in_zip_read->rest_read_compressed; - - while (total_bytes_read != bytes_to_read) - { - if (ZSEEK64(s->pfile_in_zip_read->z_filefunc, s->pfile_in_zip_read->filestream, - s->pfile_in_zip_read->pos_in_zipfile + s->pfile_in_zip_read->byte_before_the_zipfile, - ZLIB_FILEFUNC_SEEK_SET) != 0) - return UNZ_ERRNO; - - bytes_read = ZREAD64(s->pfile_in_zip_read->z_filefunc, s->pfile_in_zip_read->filestream, - s->pfile_in_zip_read->read_buffer + bytes_not_read + total_bytes_read, - bytes_to_read - total_bytes_read); - - total_bytes_read += bytes_read; - s->pfile_in_zip_read->pos_in_zipfile += bytes_read; - - if (bytes_read == 0) - { - if (ZERROR64(s->pfile_in_zip_read->z_filefunc, s->pfile_in_zip_read->filestream)) - return UNZ_ERRNO; - - err = unzGoToNextDisk(file); - if (err != UNZ_OK) - return err; - - s->pfile_in_zip_read->pos_in_zipfile = 0; - s->pfile_in_zip_read->filestream = s->filestream; - } - } - -#ifndef NOUNCRYPT - if ((s->cur_file_info.flag & 1) != 0) - { -#ifdef HAVE_AES - if (s->cur_file_info.compression_method == AES_METHOD) - { - fcrypt_decrypt(s->pfile_in_zip_read->read_buffer, bytes_to_read, &s->pfile_in_zip_read->aes_ctx); - } - else -#endif - if (s->pcrc_32_tab != NULL) - { - uint32_t i = 0; - - for (i = 0; i < total_bytes_read; i++) - s->pfile_in_zip_read->read_buffer[i] = - zdecode(s->keys, s->pcrc_32_tab, s->pfile_in_zip_read->read_buffer[i]); - } - } -#endif - - s->pfile_in_zip_read->rest_read_compressed -= total_bytes_read; - s->pfile_in_zip_read->stream.next_in = (uint8_t*)s->pfile_in_zip_read->read_buffer; - s->pfile_in_zip_read->stream.avail_in = (uint16_t)(bytes_not_read + total_bytes_read); - } - - if ((s->pfile_in_zip_read->compression_method == 0) || (s->pfile_in_zip_read->raw)) - { - uint32_t i = 0; - uint32_t copy = 0; - - if ((s->pfile_in_zip_read->stream.avail_in == 0) && - (s->pfile_in_zip_read->rest_read_compressed == 0)) - return (read == 0) ? UNZ_EOF : read; - - if (s->pfile_in_zip_read->stream.avail_out < s->pfile_in_zip_read->stream.avail_in) - copy = s->pfile_in_zip_read->stream.avail_out; - else - copy = s->pfile_in_zip_read->stream.avail_in; - - for (i = 0; i < copy; i++) - *(s->pfile_in_zip_read->stream.next_out + i) = - *(s->pfile_in_zip_read->stream.next_in + i); - - s->pfile_in_zip_read->total_out_64 = s->pfile_in_zip_read->total_out_64 + copy; - s->pfile_in_zip_read->rest_read_uncompressed -= copy; - s->pfile_in_zip_read->crc32 = (uint32_t)crc32(s->pfile_in_zip_read->crc32, - s->pfile_in_zip_read->stream.next_out, copy); - - s->pfile_in_zip_read->stream.avail_in -= copy; - s->pfile_in_zip_read->stream.avail_out -= copy; - s->pfile_in_zip_read->stream.next_out += copy; - s->pfile_in_zip_read->stream.next_in += copy; - s->pfile_in_zip_read->stream.total_out += copy; - - read += copy; - } - else if (s->pfile_in_zip_read->compression_method == Z_BZIP2ED) - { -#ifdef HAVE_BZIP2 - uint64_t total_out_before = 0; - uint64_t total_out_after = 0; - uint64_t out_bytes = 0; - const uint8_t *buf_before = NULL; - - s->pfile_in_zip_read->bstream.next_in = (char*)s->pfile_in_zip_read->stream.next_in; - s->pfile_in_zip_read->bstream.avail_in = s->pfile_in_zip_read->stream.avail_in; - s->pfile_in_zip_read->bstream.total_in_lo32 = (uint32_t)s->pfile_in_zip_read->stream.total_in; - s->pfile_in_zip_read->bstream.total_in_hi32 = s->pfile_in_zip_read->stream.total_in >> 32; - - s->pfile_in_zip_read->bstream.next_out = (char*)s->pfile_in_zip_read->stream.next_out; - s->pfile_in_zip_read->bstream.avail_out = s->pfile_in_zip_read->stream.avail_out; - s->pfile_in_zip_read->bstream.total_out_lo32 = (uint32_t)s->pfile_in_zip_read->stream.total_out; - s->pfile_in_zip_read->bstream.total_out_hi32 = s->pfile_in_zip_read->stream.total_out >> 32; - - total_out_before = s->pfile_in_zip_read->bstream.total_out_lo32 + - (((uint32_t)s->pfile_in_zip_read->bstream.total_out_hi32) << 32); - buf_before = (const uint8_t*)s->pfile_in_zip_read->bstream.next_out; - - err = BZ2_bzDecompress(&s->pfile_in_zip_read->bstream); - - total_out_after = s->pfile_in_zip_read->bstream.total_out_lo32 + - (((uint32_t)s->pfile_in_zip_read->bstream.total_out_hi32) << 32); - - out_bytes = total_out_after - total_out_before; - - s->pfile_in_zip_read->total_out_64 = s->pfile_in_zip_read->total_out_64 + out_bytes; - s->pfile_in_zip_read->rest_read_uncompressed -= out_bytes; - s->pfile_in_zip_read->crc32 = crc32(s->pfile_in_zip_read->crc32, buf_before, (uint32_t)out_bytes); - - read += (uint32_t)out_bytes; - - s->pfile_in_zip_read->stream.next_in = (uint8_t*)s->pfile_in_zip_read->bstream.next_in; - s->pfile_in_zip_read->stream.avail_in = s->pfile_in_zip_read->bstream.avail_in; - s->pfile_in_zip_read->stream.total_in = s->pfile_in_zip_read->bstream.total_in_lo32; - s->pfile_in_zip_read->stream.next_out = (uint8_t*)s->pfile_in_zip_read->bstream.next_out; - s->pfile_in_zip_read->stream.avail_out = s->pfile_in_zip_read->bstream.avail_out; - s->pfile_in_zip_read->stream.total_out = s->pfile_in_zip_read->bstream.total_out_lo32; - - if (err == BZ_STREAM_END) - return (read == 0) ? UNZ_EOF : read; - if (err != BZ_OK) - break; -#endif - } -#ifdef HAVE_APPLE_COMPRESSION - else - { - uint64_t total_out_before = 0; - uint64_t total_out_after = 0; - uint64_t out_bytes = 0; - const uint8_t *buf_before = NULL; - - s->pfile_in_zip_read->astream.src_ptr = s->pfile_in_zip_read->stream.next_in; - s->pfile_in_zip_read->astream.src_size = s->pfile_in_zip_read->stream.avail_in; - s->pfile_in_zip_read->astream.dst_ptr = s->pfile_in_zip_read->stream.next_out; - s->pfile_in_zip_read->astream.dst_size = len; - - total_out_before = s->pfile_in_zip_read->stream.total_out; - buf_before = s->pfile_in_zip_read->stream.next_out; - - compression_status status; - compression_stream_flags flags; - - if (s->pfile_in_zip_read->stream.avail_in == 0) - { - flags = COMPRESSION_STREAM_FINALIZE; - } - - status = compression_stream_process(&s->pfile_in_zip_read->astream, flags); - - total_out_after = len - s->pfile_in_zip_read->astream.dst_size; - out_bytes = total_out_after - total_out_before; - - s->pfile_in_zip_read->total_out_64 += out_bytes; - s->pfile_in_zip_read->rest_read_uncompressed -= out_bytes; - s->pfile_in_zip_read->crc32 = - crc32(s->pfile_in_zip_read->crc32, buf_before, (uint32_t)out_bytes); - - read += (uint32_t)out_bytes; - - s->pfile_in_zip_read->stream.next_in = s->pfile_in_zip_read->astream.src_ptr; - s->pfile_in_zip_read->stream.avail_in = s->pfile_in_zip_read->astream.src_size; - s->pfile_in_zip_read->stream.next_out = s->pfile_in_zip_read->astream.dst_ptr; - s->pfile_in_zip_read->stream.avail_out = s->pfile_in_zip_read->astream.dst_size; - - if (status == COMPRESSION_STATUS_END) - return (read == 0) ? UNZ_EOF : read; - if (status == COMPRESSION_STATUS_ERROR) - return Z_DATA_ERROR; - return read; - } -#else - else - { - uint64_t total_out_before = 0; - uint64_t total_out_after = 0; - uint64_t out_bytes = 0; - const uint8_t *buf_before = NULL; - int flush = Z_SYNC_FLUSH; - - total_out_before = s->pfile_in_zip_read->stream.total_out; - buf_before = s->pfile_in_zip_read->stream.next_out; - - /* - if ((pfile_in_zip_read_info->rest_read_uncompressed == - pfile_in_zip_read_info->stream.avail_out) && - (pfile_in_zip_read_info->rest_read_compressed == 0)) - flush = Z_FINISH; - */ - err = inflate(&s->pfile_in_zip_read->stream, flush); - - if ((err >= 0) && (s->pfile_in_zip_read->stream.msg != NULL)) - err = Z_DATA_ERROR; - - total_out_after = s->pfile_in_zip_read->stream.total_out; - out_bytes = total_out_after - total_out_before; - - s->pfile_in_zip_read->total_out_64 += out_bytes; - s->pfile_in_zip_read->rest_read_uncompressed -= out_bytes; - s->pfile_in_zip_read->crc32 = - (uint32_t)crc32(s->pfile_in_zip_read->crc32,buf_before, (uint32_t)out_bytes); - - read += (uint32_t)out_bytes; - - if (err == Z_STREAM_END) - return (read == 0) ? UNZ_EOF : read; - if (err != Z_OK) - break; - } -#endif - } - while (s->pfile_in_zip_read->stream.avail_out > 0); - - if (err == Z_OK) - return read; - return err; -} - -extern int ZEXPORT unzGetLocalExtrafield(unzFile file, voidp buf, uint32_t len) -{ - unz64_s *s = NULL; - uint64_t size_to_read = 0; - uint32_t read_now = 0; - - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - if (s->pfile_in_zip_read == NULL) - return UNZ_PARAMERROR; - - size_to_read = s->pfile_in_zip_read->size_local_extrafield - s->pfile_in_zip_read->pos_local_extrafield; - - if (buf == NULL) - return (int)size_to_read; - - if (len > size_to_read) - read_now = (uint32_t)size_to_read; - else - read_now = len; - - if (read_now == 0) - return 0; - - if (ZSEEK64(s->pfile_in_zip_read->z_filefunc, s->pfile_in_zip_read->filestream, - s->pfile_in_zip_read->offset_local_extrafield + s->pfile_in_zip_read->pos_local_extrafield, - ZLIB_FILEFUNC_SEEK_SET) != 0) - return UNZ_ERRNO; - - if (ZREAD64(s->pfile_in_zip_read->z_filefunc, s->pfile_in_zip_read->filestream, buf, read_now) != read_now) - return UNZ_ERRNO; - - return (int)read_now; -} - -extern int ZEXPORT unzCloseCurrentFile(unzFile file) -{ - unz64_s *s = NULL; - file_in_zip64_read_info_s *pfile_in_zip_read_info = NULL; - int err = UNZ_OK; - - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - pfile_in_zip_read_info = s->pfile_in_zip_read; - if (pfile_in_zip_read_info == NULL) - return UNZ_PARAMERROR; - -#ifdef HAVE_AES - if (s->cur_file_info.compression_method == AES_METHOD) - { - unsigned char authcode[AES_AUTHCODESIZE]; - unsigned char rauthcode[AES_AUTHCODESIZE]; - - if (ZREAD64(s->z_filefunc, s->filestream, authcode, AES_AUTHCODESIZE) != AES_AUTHCODESIZE) - return UNZ_ERRNO; - - if (fcrypt_end(rauthcode, &s->pfile_in_zip_read->aes_ctx) != AES_AUTHCODESIZE) - err = UNZ_CRCERROR; - if (memcmp(authcode, rauthcode, AES_AUTHCODESIZE) != 0) - err = UNZ_CRCERROR; - } - /* AES zip version AE-1 will expect a valid crc as well */ - if ((s->cur_file_info.compression_method != AES_METHOD) || - (s->cur_file_info_internal.aes_version == 0x0001)) -#endif - { - if ((pfile_in_zip_read_info->rest_read_uncompressed == 0) && - (!pfile_in_zip_read_info->raw)) - { - if (pfile_in_zip_read_info->crc32 != pfile_in_zip_read_info->crc32_wait) - err = UNZ_CRCERROR; - } - } - - TRYFREE(pfile_in_zip_read_info->read_buffer); - pfile_in_zip_read_info->read_buffer = NULL; - if (pfile_in_zip_read_info->stream_initialised == Z_DEFLATED) - { -#ifdef HAVE_APPLE_COMPRESSION - if (compression_stream_destroy) - compression_stream_destroy(&pfile_in_zip_read_info->astream); -#else - inflateEnd(&pfile_in_zip_read_info->stream); -#endif - - } -#ifdef HAVE_BZIP2 - else if (pfile_in_zip_read_info->stream_initialised == Z_BZIP2ED) - BZ2_bzDecompressEnd(&pfile_in_zip_read_info->bstream); -#endif - - pfile_in_zip_read_info->stream_initialised = 0; - TRYFREE(pfile_in_zip_read_info); - - s->pfile_in_zip_read = NULL; - - return err; -} - -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) -{ - unz64_s *s = NULL; - int err = UNZ_OK; - - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - - s->pos_in_central_dir = s->offset_central_dir; - s->num_file = 0; - - err = unzGetCurrentFileInfoInternal(file, &s->cur_file_info, &s->cur_file_info_internal, - filename, filename_size, extrafield, extrafield_size, comment,comment_size); - - s->current_file_ok = (err == UNZ_OK); - if ((err == UNZ_OK) && (pfile_info != NULL)) - memcpy(pfile_info, &s->cur_file_info, sizeof(unz_file_info64)); - - return err; -} - -extern int ZEXPORT unzGoToFirstFile(unzFile file) -{ - return unzGoToFirstFile2(file, NULL, NULL, 0, NULL, 0, NULL, 0); -} - -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) -{ - unz64_s *s = NULL; - int err = UNZ_OK; - - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - - if (!s->current_file_ok) - return UNZ_END_OF_LIST_OF_FILE; - if (s->gi.number_entry != UINT16_MAX) /* 2^16 files overflow hack */ - { - if (s->num_file+1 == s->gi.number_entry) - return UNZ_END_OF_LIST_OF_FILE; - } - - s->pos_in_central_dir += SIZECENTRALDIRITEM + s->cur_file_info.size_filename + - s->cur_file_info.size_file_extra + s->cur_file_info.size_file_comment; - s->num_file += 1; - - err = unzGetCurrentFileInfoInternal(file, &s->cur_file_info, &s->cur_file_info_internal, - filename, filename_size, extrafield,extrafield_size, comment, comment_size); - - s->current_file_ok = (err == UNZ_OK); - if ((err == UNZ_OK) && (pfile_info != NULL)) - memcpy(pfile_info, &s->cur_file_info, sizeof(unz_file_info64)); - - return err; -} - -extern int ZEXPORT unzGoToNextFile(unzFile file) -{ - return unzGoToNextFile2(file, NULL, NULL, 0, NULL, 0, NULL, 0); -} - -extern int ZEXPORT unzLocateFile(unzFile file, const char *filename, unzFileNameComparer filename_compare_func) -{ - unz64_s *s = NULL; - unz_file_info64 cur_file_info_saved; - unz_file_info64_internal cur_file_info_internal_saved; - uint64_t num_file_saved = 0; - uint64_t pos_in_central_dir_saved = 0; - char current_filename[UNZ_MAXFILENAMEINZIP+1]; - int err = UNZ_OK; - - if (file == NULL) - return UNZ_PARAMERROR; - if (strlen(filename) >= UNZ_MAXFILENAMEINZIP) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - if (!s->current_file_ok) - return UNZ_END_OF_LIST_OF_FILE; - - /* Save the current state */ - num_file_saved = s->num_file; - pos_in_central_dir_saved = s->pos_in_central_dir; - cur_file_info_saved = s->cur_file_info; - cur_file_info_internal_saved = s->cur_file_info_internal; - - err = unzGoToFirstFile2(file, NULL, current_filename, sizeof(current_filename)-1, NULL, 0, NULL, 0); - - while (err == UNZ_OK) - { - if (filename_compare_func != NULL) - err = filename_compare_func(file, current_filename, filename); - else - err = strcmp(current_filename, filename); - if (err == 0) - return UNZ_OK; - err = unzGoToNextFile2(file, NULL, current_filename, sizeof(current_filename)-1, NULL, 0, NULL, 0); - } - - /* We failed, so restore the state of the 'current file' to where we were. */ - s->num_file = num_file_saved; - s->pos_in_central_dir = pos_in_central_dir_saved; - s->cur_file_info = cur_file_info_saved; - s->cur_file_info_internal = cur_file_info_internal_saved; - return err; -} - -extern int ZEXPORT unzGetFilePos(unzFile file, unz_file_pos *file_pos) -{ - unz64_file_pos file_pos64; - int err = unzGetFilePos64(file, &file_pos64); - if (err == UNZ_OK) - { - file_pos->pos_in_zip_directory = (uint32_t)file_pos64.pos_in_zip_directory; - file_pos->num_of_file = (uint32_t)file_pos64.num_of_file; - } - return err; -} - -extern int ZEXPORT unzGoToFilePos(unzFile file, unz_file_pos *file_pos) -{ - unz64_file_pos file_pos64; - if (file_pos == NULL) - return UNZ_PARAMERROR; - file_pos64.pos_in_zip_directory = file_pos->pos_in_zip_directory; - file_pos64.num_of_file = file_pos->num_of_file; - return unzGoToFilePos64(file, &file_pos64); -} - -extern int ZEXPORT unzGetFilePos64(unzFile file, unz64_file_pos *file_pos) -{ - unz64_s *s = NULL; - - if (file == NULL || file_pos == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - if (!s->current_file_ok) - return UNZ_END_OF_LIST_OF_FILE; - - file_pos->pos_in_zip_directory = s->pos_in_central_dir; - file_pos->num_of_file = s->num_file; - return UNZ_OK; -} - -extern int ZEXPORT unzGoToFilePos64(unzFile file, const unz64_file_pos *file_pos) -{ - unz64_s *s = NULL; - int err = UNZ_OK; - - if (file == NULL || file_pos == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - - /* Jump to the right spot */ - s->pos_in_central_dir = file_pos->pos_in_zip_directory; - s->num_file = file_pos->num_of_file; - - /* Set the current file */ - err = unzGetCurrentFileInfoInternal(file, &s->cur_file_info, &s->cur_file_info_internal, NULL, 0, NULL, 0, NULL, 0); - /* Return results */ - s->current_file_ok = (err == UNZ_OK); - return err; -} - -extern int32_t ZEXPORT unzGetOffset(unzFile file) -{ - uint64_t offset64 = 0; - - if (file == NULL) - return UNZ_PARAMERROR; - offset64 = unzGetOffset64(file); - return (int32_t)offset64; -} - -extern int64_t ZEXPORT unzGetOffset64(unzFile file) -{ - unz64_s *s = NULL; - - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - if (!s->current_file_ok) - return 0; - if (s->gi.number_entry != 0 && s->gi.number_entry != UINT16_MAX) - { - if (s->num_file == s->gi.number_entry) - return 0; - } - return s->pos_in_central_dir; -} - -extern int ZEXPORT unzSetOffset(unzFile file, uint32_t pos) -{ - return unzSetOffset64(file, pos); -} - -extern int ZEXPORT unzSetOffset64(unzFile file, uint64_t pos) -{ - unz64_s *s = NULL; - int err = UNZ_OK; - - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - s->pos_in_central_dir = pos; - s->num_file = s->gi.number_entry; /* hack */ - - err = unzGetCurrentFileInfoInternal(file, &s->cur_file_info, &s->cur_file_info_internal, NULL, 0, NULL, 0, NULL, 0); - - s->current_file_ok = (err == UNZ_OK); - return err; -} - -extern int32_t ZEXPORT unzTell(unzFile file) -{ - unz64_s *s = NULL; - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - if (s->pfile_in_zip_read == NULL) - return UNZ_PARAMERROR; - return (int32_t)s->pfile_in_zip_read->stream.total_out; -} - -extern int64_t ZEXPORT unzTell64(unzFile file) -{ - unz64_s *s = NULL; - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - if (s->pfile_in_zip_read == NULL) - return UNZ_PARAMERROR; - return s->pfile_in_zip_read->total_out_64; -} - -extern int ZEXPORT unzSeek(unzFile file, uint32_t offset, int origin) -{ - return unzSeek64(file, offset, origin); -} - -extern int ZEXPORT unzSeek64(unzFile file, uint64_t offset, int origin) -{ - unz64_s *s = NULL; - uint64_t stream_pos_begin = 0; - uint64_t stream_pos_end = 0; - uint64_t position = 0; - int is_within_buffer = 0; - - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - - if (s->pfile_in_zip_read == NULL) - return UNZ_ERRNO; - if (s->pfile_in_zip_read->compression_method != 0) - return UNZ_ERRNO; - - if (origin == SEEK_SET) - position = offset; - else if (origin == SEEK_CUR) - position = s->pfile_in_zip_read->total_out_64 + offset; - else if (origin == SEEK_END) - position = s->cur_file_info.compressed_size + offset; - else - return UNZ_PARAMERROR; - - if (position > s->cur_file_info.compressed_size) - return UNZ_PARAMERROR; - - stream_pos_end = s->pfile_in_zip_read->pos_in_zipfile; - stream_pos_begin = stream_pos_end; - - if (stream_pos_begin > UNZ_BUFSIZE) - stream_pos_begin -= UNZ_BUFSIZE; - else - stream_pos_begin = 0; - - is_within_buffer = - (s->pfile_in_zip_read->stream.avail_in != 0) && - (s->pfile_in_zip_read->rest_read_compressed != 0 || s->cur_file_info.compressed_size < UNZ_BUFSIZE) && - (position >= stream_pos_begin && position < stream_pos_end); - - if (is_within_buffer) - { - s->pfile_in_zip_read->stream.next_in += position - s->pfile_in_zip_read->total_out_64; - s->pfile_in_zip_read->stream.avail_in = (uInt)(stream_pos_end - position); - } - else - { - s->pfile_in_zip_read->stream.avail_in = 0; - s->pfile_in_zip_read->stream.next_in = 0; - - s->pfile_in_zip_read->pos_in_zipfile = s->pfile_in_zip_read->offset_local_extrafield + position; - s->pfile_in_zip_read->rest_read_compressed = s->cur_file_info.compressed_size - position; - } - - s->pfile_in_zip_read->rest_read_uncompressed -= (position - s->pfile_in_zip_read->total_out_64); - s->pfile_in_zip_read->stream.total_out = (uint32_t)position; - s->pfile_in_zip_read->total_out_64 = position; - - return UNZ_OK; -} - -extern int ZEXPORT unzEndOfFile(unzFile file) -{ - unz64_s *s = NULL; - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - if (s->pfile_in_zip_read == NULL) - return UNZ_PARAMERROR; - if (s->pfile_in_zip_read->rest_read_uncompressed == 0) - return 1; - return 0; -} - -#ifdef _WIN32 -# pragma warning(pop) -#endif // _WIN32
\ No newline at end of file diff --git a/src/mesh/assimp-master/contrib/unzip/unzip.h b/src/mesh/assimp-master/contrib/unzip/unzip.h deleted file mode 100644 index ea4c90a..0000000 --- a/src/mesh/assimp-master/contrib/unzip/unzip.h +++ /dev/null @@ -1,306 +0,0 @@ -/* unzip.h -- IO for uncompress .zip files using zlib - Version 1.1, February 14h, 2010 - part of the MiniZip project - - Copyright (C) 1998-2010 Gilles Vollant - http://www.winimage.com/zLibDll/minizip.html - Modifications of Unzip for Zip64 - Copyright (C) 2007-2008 Even Rouault - Modifications for Zip64 support on both zip and unzip - Copyright (C) 2009-2010 Mathias Svensson - http://result42.com - - 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 */ -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 */ - -/***************************************************************************/ -/* 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 */ |