Update unzip contrib

code/CMakeLists.txt

@@ -920,6 +920,7 @@ IF(ASSIMP_HUNTER_ENABLED)
   find_package(minizip CONFIG REQUIRED)
 ELSE()
   SET( unzip_SRCS
+    ../contrib/unzip/crypt.c
     ../contrib/unzip/crypt.h
     ../contrib/unzip/ioapi.c
     ../contrib/unzip/ioapi.h

code/Common/ZipArchiveIOSystem.cpp

@@ -146,7 +146,6 @@ int IOSystem2Unzip::testerror(voidpf /*opaque*/, voidpf /*stream*/) {
 zlib_filefunc_def IOSystem2Unzip::get(IOSystem *pIOHandler) {
     zlib_filefunc_def mapping;
 
-#if defined (ASSIMP_USE_HUNTER) || defined (__MINGW32__) // GH#3144
     mapping.zopen_file = (open_file_func)open;
     mapping.zread_file = (read_file_func)read;
     mapping.zwrite_file = (write_file_func)write;
@@ -154,15 +153,7 @@ zlib_filefunc_def IOSystem2Unzip::get(IOSystem *pIOHandler) {
     mapping.zseek_file = (seek_file_func)seek;
     mapping.zclose_file = (close_file_func)close;
     mapping.zerror_file = (error_file_func)testerror;
-#else
-    mapping.zopen_file = open;
-    mapping.zread_file = read;
-    mapping.zwrite_file = write;
-    mapping.ztell_file = tell;
-    mapping.zseek_file = seek;
-    mapping.zclose_file = close;
-    mapping.zerror_file = testerror;
-#endif
+
     mapping.opaque = reinterpret_cast<voidpf>(pIOHandler);
 
     return mapping;

contrib/unzip/crypt.c

@@ -0,0 +1,167 @@
+/* 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.
+*/
+
+#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
+
+/***************************************************************************/

contrib/unzip/crypt.h

@@ -1,133 +1,61 @@
-/* crypt.h -- base code for crypt/uncrypt ZIPfile
-
-
+/* 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 Infozip distribution
+   This code is a modified version of crypting code in Info-ZIP distribution
 
-   The encryption/decryption parts of this source code (as opposed to the
-   non-echoing password parts) were originally written in Europe.  The
-   whole source package can be freely distributed, including from the USA.
-   (Prior to January 2000, re-export from the US was a violation of US law.)
+   Copyright (C) 1990-2000 Info-ZIP.  All rights reserved.
 
-   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).
+   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.
+*/
 
-   If you don't need crypting in your application, just define symbols
-   NOCRYPT and NOUNCRYPT.
+#ifndef _MINICRYPT_H
+#define _MINICRYPT_H
 
-   This code support the "Traditional PKWARE Encryption".
+#if ZLIB_VERNUM < 0x1270
+typedef unsigned long z_crc_t;
+#endif
 
-   The new AES encryption added on Zip format by Winzip (see the page
-   http://www.winzip.com/aes_info.htm ) and PKWare PKZip 5.x Strong
-   Encryption is not supported.
-*/
+#ifdef __cplusplus
+extern "C" {
+#endif
 
-#define CRC32(c, b) ((*(pcrc_32_tab+(((int)(c) ^ (b)) & 0xff))) ^ ((c) >> 8))
+#define RAND_HEAD_LEN  12
 
-/***********************************************************************
- * Return the next byte in the pseudo-random sequence
- */
-static int decrypt_byte(unsigned long* pkeys, const z_crc_t* t)
-{
-    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 = ((unsigned)(*(pkeys+2)) & 0xffff) | 2;
-    (void)t;
-    return (int)(((temp * (temp ^ 1)) >> 8) & 0xff);
-}
+#define zdecode(pkeys,pcrc_32_tab,c) \
+    (update_keys(pkeys,pcrc_32_tab, c ^= decrypt_byte(pkeys)))
 
-/***********************************************************************
- * Update the encryption keys with the next byte of plain text
- */
-static int update_keys(unsigned long* pkeys,const z_crc_t* pcrc_32_tab,int c)
-{
-    (*(pkeys+0)) = CRC32((*(pkeys+0)), c);
-    (*(pkeys+1)) += (*(pkeys+0)) & 0xff;
-    (*(pkeys+1)) = (*(pkeys+1)) * 134775813L + 1;
-    {
-      register int keyshift = (int)((*(pkeys+1)) >> 24);
-      (*(pkeys+2)) = CRC32((*(pkeys+2)), keyshift);
-    }
-    return c;
-}
+#define zencode(pkeys,pcrc_32_tab,c,t) \
+    (t = decrypt_byte(pkeys), update_keys(pkeys,pcrc_32_tab,c), t^(c))
 
+/***************************************************************************/
 
-/***********************************************************************
- * Initialize the encryption keys and the random header according to
- * the given password.
- */
-static void init_keys(const char* passwd,unsigned long* 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,(int)*passwd);
-        passwd++;
-    }
-}
+/* Return the next byte in the pseudo-random sequence */
+uint8_t decrypt_byte(uint32_t *pkeys);
 
-#define zdecode(pkeys,pcrc_32_tab,c) \
-    (update_keys(pkeys,pcrc_32_tab,c ^= decrypt_byte(pkeys,pcrc_32_tab)))
+/* 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);
 
-#define zencode(pkeys,pcrc_32_tab,c,t) \
-    (t=decrypt_byte(pkeys,pcrc_32_tab), update_keys(pkeys,pcrc_32_tab,c), 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);
 
-#ifdef INCLUDECRYPTINGCODE_IFCRYPTALLOWED
+/* Generate cryptographically secure random numbers */
+int cryptrand(unsigned char *buf, unsigned int len);
 
-#define RAND_HEAD_LEN  12
-   /* "last resort" source for second part of crypt seed pattern */
-#  ifndef ZCR_SEED2
-#    define ZCR_SEED2 3141592654UL     /* use PI as default pattern */
-#  endif
-
-static int crypthead(passwd, buf, bufSize, pkeys, pcrc_32_tab, crcForCrypting)
-    const char *passwd;         /* password string */
-    unsigned char *buf;         /* where to write header */
-    int bufSize;
-    unsigned long* pkeys;
-    const unsigned long* pcrc_32_tab;
-    unsigned long crcForCrypting;
-{
-    int n;                       /* index in random header */
-    int t;                       /* temporary */
-    int c;                       /* random byte */
-    unsigned char header[RAND_HEAD_LEN-2]; /* random header */
-    static unsigned calls = 0;   /* ensure different random header each time */
-
-    if (bufSize<RAND_HEAD_LEN)
-      return 0;
-
-    /* First generate RAND_HEAD_LEN-2 random bytes. We encrypt the
-     * output of rand() to get less predictability, since rand() is
-     * often poorly implemented.
-     */
-    if (++calls == 1)
-    {
-        srand((unsigned)(time(NULL) ^ ZCR_SEED2));
-    }
-    init_keys(passwd, pkeys, pcrc_32_tab);
-    for (n = 0; n < RAND_HEAD_LEN-2; n++)
-    {
-        c = (rand() >> 7) & 0xff;
-        header[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, c, t);
-    }
-    /* 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] = (unsigned char)zencode(pkeys, pcrc_32_tab, header[n], t);
-    }
-    buf[n++] = zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 16) & 0xff, t);
-    buf[n++] = zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 24) & 0xff, t);
-    return n;
+/* 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

contrib/unzip/ioapi.c

@@ -1,179 +1,340 @@
 /* ioapi.c -- IO base function header for compress/uncompress .zip
-   files using zlib + zip or unzip API
+   part of the MiniZip project
 
-   Version 1.01e, February 12th, 2005
+   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
 
-   Copyright (C) 1998-2005 Gilles Vollant
+   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 <string.h>
 
-#include "zlib.h"
+#if defined unix || defined __APPLE__
+#include <sys/types.h>
+#include <unistd.h>
+#endif
+
 #include "ioapi.h"
 
 #ifdef _WIN32
-#    pragma warning(push)
-#    pragma warning(disable : 4131 4100)
-#    ifdef __clang__
-#    pragma clang diagnostic push
-#    pragma clang diagnostic ignored "-Wunused-parameter"
-#    endif
+#   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
 
-/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */
 
-#ifndef SEEK_CUR
-#define SEEK_CUR    1
-#endif
-
-#ifndef SEEK_END
-#define SEEK_END    2
-#endif
+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);
+}
 
-#ifndef SEEK_SET
-#define SEEK_SET    0
-#endif
+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);
+}
 
-voidpf ZCALLBACK fopen_file_func OF((
-   voidpf opaque,
-   const char* filename,
-   int 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);
+}
 
-uLong ZCALLBACK fread_file_func OF((
-   voidpf opaque,
-   voidpf stream,
-   void* buf,
-   uLong size));
+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;
+}
 
-uLong ZCALLBACK fwrite_file_func OF((
-   voidpf opaque,
-   voidpf stream,
-   const void* buf,
-   uLong size));
+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;
+}
 
-long ZCALLBACK ftell_file_func OF((
-   voidpf opaque,
-   voidpf stream));
+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);
 
-long ZCALLBACK fseek_file_func OF((
-   voidpf opaque,
-   voidpf stream,
-   uLong offset,
-   int origin));
+typedef struct
+{
+    FILE *file;
+    int filenameLength;
+    void *filename;
+} FILE_IOPOSIX;
 
-int ZCALLBACK fclose_file_func OF((
-   voidpf opaque,
-   voidpf stream));
+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;
+}
 
-int ZCALLBACK ferror_file_func OF((
-   voidpf opaque,
-   voidpf stream));
+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;
+}
 
-voidpf ZCALLBACK fopen_file_func (opaque, filename, mode)
-   voidpf opaque;
-   const char* filename;
-   int mode;
+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)
+    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)
+    else if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
         mode_fopen = "r+b";
-    else
-    if (mode & ZLIB_FILEFUNC_MODE_CREATE)
+    else if (mode & ZLIB_FILEFUNC_MODE_CREATE)
         mode_fopen = "wb";
 
-    if ((filename!=NULL) && (mode_fopen != NULL))
-        file = fopen(filename, mode_fopen);
+    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;
+}
 
-uLong ZCALLBACK fread_file_func (opaque, stream, buf, size)
-   voidpf opaque;
-   voidpf stream;
-   void* buf;
-   uLong size;
+static voidpf ZCALLBACK fopendisk_file_func(voidpf opaque, voidpf stream, uint32_t number_disk, int mode)
 {
-    uLong ret;
-    ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream);
+    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;
+}
 
-uLong ZCALLBACK fwrite_file_func (opaque, stream, buf, size)
-   voidpf opaque;
-   voidpf stream;
-   const void* buf;
-   uLong size;
+static long ZCALLBACK ftell_file_func(voidpf opaque, voidpf stream)
 {
-    uLong ret;
-    ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream);
+    FILE_IOPOSIX *ioposix = NULL;
+    long ret = -1;
+    if (stream == NULL)
+        return ret;
+    ioposix = (FILE_IOPOSIX*)stream;
+    ret = ftell(ioposix->file);
     return ret;
 }
 
-long ZCALLBACK ftell_file_func (opaque, stream)
-   voidpf opaque;
-   voidpf stream;
+static uint64_t ZCALLBACK ftell64_file_func(voidpf opaque, voidpf stream)
 {
-    long ret;
-    ret = ftell((FILE *)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;
 }
 
-long ZCALLBACK fseek_file_func (opaque, stream, offset, origin)
-   voidpf opaque;
-   voidpf stream;
-   uLong offset;
-   int origin;
+static long ZCALLBACK fseek_file_func(voidpf opaque, voidpf stream, uint32_t offset, int origin)
 {
-    int fseek_origin=0;
-    long ret;
+    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;
+        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;
     }
-    ret = 0;
-    fseek((FILE *)stream, offset, fseek_origin);
+
+    if (fseeko64(ioposix->file, offset, fseek_origin) != 0)
+        ret = -1;
+
     return ret;
 }
 
-int ZCALLBACK fclose_file_func (opaque, stream)
-   voidpf opaque;
-   voidpf stream;
+static int ZCALLBACK fclose_file_func(voidpf opaque, voidpf stream)
 {
-    int ret;
-    ret = fclose((FILE *)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;
 }
 
-int ZCALLBACK ferror_file_func (opaque, stream)
-   voidpf opaque;
-   voidpf stream;
+static int ZCALLBACK ferror_file_func(voidpf opaque, voidpf stream)
 {
-    int ret;
-    ret = ferror((FILE *)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 (pzlib_filefunc_def)
-  zlib_filefunc_def* pzlib_filefunc_def;
+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;
@@ -183,9 +344,22 @@ void fill_fopen_filefunc (pzlib_filefunc_def)
     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
+#   pragma warning(pop)
+#   ifdef __clang__
+#       pragma clang diagnostic pop
+#   endif
 #endif // _WIN32

contrib/unzip/ioapi.h

@@ -1,75 +1,146 @@
 /* ioapi.h -- IO base function header for compress/uncompress .zip
-   files using zlib + zip or unzip API
+   part of the MiniZip project
 
-   Version 1.01e, February 12th, 2005
+   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
 
-   Copyright (C) 1998-2005 Gilles Vollant
+   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 _ZLIBIOAPI_H
-#define _ZLIBIOAPI_H
+#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(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__OpenBSD__) || defined(__APPLE__) || defined(__ANDROID__)
+#    define fopen64 fopen
+#    define ftello64 ftello
+#    define fseeko64 fseeko
+#  endif
+#  ifdef _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
+#  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)
-
+#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 (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK)
-#define ZCALLBACK CALLBACK
-#else
-#define ZCALLBACK
-#endif
+#  if (defined(WIN32) || defined(_WIN32) || defined (WINDOWS) || \
+       defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK)
+#    define ZCALLBACK CALLBACK
+#  else
+#    define ZCALLBACK
+#  endif
 #endif
 
-#ifdef __cplusplus
-extern "C" {
-#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 voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, const char* filename, int mode));
-typedef uLong  (ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream, void* buf, uLong size));
-typedef uLong  (ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream, const void* buf, uLong size));
-typedef long   (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream));
-typedef long   (ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uLong offset, int origin));
-typedef int    (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream));
-typedef int    (ZCALLBACK *testerror_file_func) OF((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;
-    testerror_file_func zerror_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);
 
-
-void fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def));
-
-#define ZREAD(filefunc,filestream,buf,size) ((*((filefunc).zread_file))((filefunc).opaque,filestream,buf,size))
-#define ZWRITE(filefunc,filestream,buf,size) ((*((filefunc).zwrite_file))((filefunc).opaque,filestream,buf,size))
-#define ZTELL(filefunc,filestream) ((*((filefunc).ztell_file))((filefunc).opaque,filestream))
-#define ZSEEK(filefunc,filestream,pos,mode) ((*((filefunc).zseek_file))((filefunc).opaque,filestream,pos,mode))
-#define ZCLOSE(filefunc,filestream) ((*((filefunc).zclose_file))((filefunc).opaque,filestream))
-#define ZERROR(filefunc,filestream) ((*((filefunc).zerror_file))((filefunc).opaque,filestream))
-
+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
-

contrib/unzip/unzip.h

@@ -1,49 +1,21 @@
 /* unzip.h -- IO for uncompress .zip files using zlib
-   Version 1.01e, February 12th, 2005
-
-   Copyright (C) 1998-2005 Gilles Vollant
-
-   This unzip package allow extract file from .ZIP file, compatible with PKZip 2.04g
-     WinZip, InfoZip tools and compatible.
-
-   Multi volume ZipFile (span) are not supported.
-   Encryption compatible with pkzip 2.04g only supported
-   Old compressions used by old PKZip 1.x are not supported
-
-
-   I WAIT FEEDBACK at mail [email protected]
-   Visit also http://www.winimage.com/zLibDll/unzip.htm for evolution
-
-   Condition of use and distribution are the same than zlib :
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-
-
+   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.
 */
 
-/* for more info about .ZIP format, see
-      http://www.info-zip.org/pub/infozip/doc/appnote-981119-iz.zip
-      http://www.info-zip.org/pub/infozip/doc/
-   PkWare has also a specification at :
-      ftp://ftp.pkware.com/probdesc.zip
-*/
-
-#ifndef _unz_H
-#define _unz_H
+#ifndef _UNZ_H
+#define _UNZ_H
 
 #ifdef __cplusplus
 extern "C" {
@@ -57,16 +29,21 @@ extern "C" {
 #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; } unzFile__;
-typedef unzFile__ *unzFile;
+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)
@@ -75,280 +52,255 @@ typedef voidp unzFile;
 #define UNZ_BADZIPFILE                  (-103)
 #define UNZ_INTERNALERROR               (-104)
 #define UNZ_CRCERROR                    (-105)
-
-/* tm_unz contain date/time info */
-typedef struct tm_unz_s
-{
-    uInt tm_sec;            /* seconds after the minute - [0,59] */
-    uInt tm_min;            /* minutes after the hour - [0,59] */
-    uInt tm_hour;           /* hours since midnight - [0,23] */
-    uInt tm_mday;           /* day of the month - [1,31] */
-    uInt tm_mon;            /* months since January - [0,11] */
-    uInt tm_year;           /* years - [1980..2044] */
-} tm_unz;
+#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
 {
-    uLong number_entry;         /* total number of entries in
-                       the central dir on this disk */
-    uLong size_comment;         /* size of the global comment of the zipfile */
+    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
 {
-    uLong version;              /* version made by                 2 bytes */
-    uLong version_needed;       /* version needed to extract       2 bytes */
-    uLong flag;                 /* general purpose bit flag        2 bytes */
-    uLong compression_method;   /* compression method              2 bytes */
-    uLong dosDate;              /* last mod file date in Dos fmt   4 bytes */
-    uLong crc;                  /* crc-32                          4 bytes */
-    uLong compressed_size;      /* compressed size                 4 bytes */
-    uLong uncompressed_size;    /* uncompressed size               4 bytes */
-    uLong size_filename;        /* filename length                 2 bytes */
-    uLong size_file_extra;      /* extra field length              2 bytes */
-    uLong size_file_comment;    /* file comment length             2 bytes */
-
-    uLong disk_num_start;       /* disk number start               2 bytes */
-    uLong internal_fa;          /* internal file attributes        2 bytes */
-    uLong external_fa;          /* external file attributes        4 bytes */
-
-    tm_unz tmu_date;
+    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;
 
-extern int ZEXPORT unzStringFileNameCompare OF ((const char* fileName1,
-                                                 const char* fileName2,
-                                                 int iCaseSensitivity));
-/*
-   Compare two filename (fileName1,fileName2).
-   If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp)
-   If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi
-                                or strcasecmp)
-   If iCaseSenisivity = 0, case sensitivity is defaut of your operating system
-    (like 1 on Unix, 2 on Windows)
-*/
+/***************************************************************************/
+/* Opening and close a zip file */
 
+extern unzFile ZEXPORT unzOpen(const char *path);
+extern unzFile ZEXPORT unzOpen64(const void *path);
+/* Open a Zip file.
 
-extern unzFile ZEXPORT unzOpen OF((const char *path));
-/*
-  Open a Zip file. path contain the full pathname (by example,
-     on a Windows XP computer "c:\\zlib\\zlib113.zip" or on an Unix computer
-     "zlib/zlib113.zip".
-     If the zipfile cannot be opened (file don't exist or in not valid), the
-       return value is NULL.
-     Else, the return value is a unzFile Handle, usable with other function
-       of this unzip package.
-*/
+   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
 
-extern unzFile ZEXPORT unzOpen2 OF((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 the zip file (see ioapi.h)
-*/
+   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 int ZEXPORT unzClose OF((unzFile file));
-/*
-  Close a ZipFile opened with unzipOpen.
-  If there is files inside the .Zip opened with unzOpenCurrentFile (see later),
-    these files MUST be closed with unzipCloseCurrentFile before call unzipClose.
-  return UNZ_OK if there is no problem. */
-
-extern int ZEXPORT unzGetGlobalInfo OF((unzFile file,
-                                        unz_global_info *pglobal_info));
-/*
-  Write info about the ZipFile in the *pglobal_info structure.
-  No preparation of the structure is needed
-  return UNZ_OK if there is no problem. */
-
-
-extern int ZEXPORT unzGetGlobalComment OF((unzFile file,
-                                           char *szComment,
-                                           uLong uSizeBuf));
-/*
-  Get the global comment string of the ZipFile, in the szComment buffer.
-  uSizeBuf is the size of the szComment buffer.
-  return the number of byte copied or an error code <0
-*/
+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 */
 
 /***************************************************************************/
-/* Unzip package allow you browse the directory of the zipfile */
+/* 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 unzGoToFirstFile OF((unzFile file));
-/*
-  Set the current file of the zipfile to the first file.
-  return UNZ_OK if there is no problem
-*/
+extern int ZEXPORT unzOpenCurrentFile(unzFile file);
+/* Open for reading data the current file in the zipfile.
 
-extern int ZEXPORT unzGoToNextFile OF((unzFile file));
-/*
-  Set the current file of the zipfile to the next file.
-  return UNZ_OK if there is no problem
-  return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.
-*/
+   return UNZ_OK if no error */
 
-extern int ZEXPORT unzLocateFile OF((unzFile file,
-                     const char *szFileName,
-                     int iCaseSensitivity));
-/*
-  Try locate the file szFileName in the zipfile.
-  For the iCaseSensitivity signification, see unzStringFileNameCompare
+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 value :
-  UNZ_OK if the file is found. It becomes the current file.
-  UNZ_END_OF_LIST_OF_FILE if the file is not found
-*/
+   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
 
-/* ****************************************** */
-/* Ryan supplied functions */
-/* unz_file_info contain information about a file in the zipfile */
-typedef struct unz_file_pos_s
-{
-    uLong pos_in_zip_directory;   /* offset in zip file directory */
-    uLong num_of_file;            /* # of file */
-} unz_file_pos;
+   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 unzGetFilePos(
-    unzFile file,
-    unz_file_pos* file_pos);
-
-extern int ZEXPORT unzGoToFilePos(
-    unzFile file,
-    unz_file_pos* file_pos);
-
-/* ****************************************** */
-
-extern int ZEXPORT unzGetCurrentFileInfo OF((unzFile file,
-                         unz_file_info *pfile_info,
-                         char *szFileName,
-                         uLong fileNameBufferSize,
-                         void *extraField,
-                         uLong extraFieldBufferSize,
-                         char *szComment,
-                         uLong commentBufferSize));
-/*
-  Get Info about the current file
-  if pfile_info!=NULL, the *pfile_info structure will contain somes info about
-        the current file
-  if szFileName!=NULL, the filemane string will be copied in szFileName
-            (fileNameBufferSize is the size of the buffer)
-  if extraField!=NULL, the extra field information will be copied in extraField
-            (extraFieldBufferSize is the size of the buffer).
-            This is the Central-header version of the extra field
-  if szComment!=NULL, the comment string of the file will be copied in szComment
-            (commentBufferSize is the size of the buffer)
-*/
+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 */
 
 /***************************************************************************/
-/* for 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 OF((unzFile file));
-/*
-  Open for reading data the current file in the zipfile.
-  If there is no error, the return value is UNZ_OK.
-*/
+/* Browse the directory of the zipfile */
 
-extern int ZEXPORT unzOpenCurrentFilePassword OF((unzFile file,
-                                                  const char* password));
-/*
-  Open for reading data the current file in the zipfile.
-  password is a crypting password
-  If there is no error, the return value is UNZ_OK.
-*/
+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 unzOpenCurrentFile2 OF((unzFile file,
-                                           int* method,
-                                           int* level,
-                                           int raw));
-/*
-  Same than 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 unzGoToFirstFile(unzFile file);
+/* Set the current file of the zipfile to the first file.
 
-extern int ZEXPORT unzOpenCurrentFile3 OF((unzFile file,
-                                           int* method,
-                                           int* level,
-                                           int raw,
-                                           const char* password));
-/*
-  Same than 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
-*/
+   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.
 
-extern int ZEXPORT unzCloseCurrentFile OF((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
-*/
+   return UNZ_OK if no error */
 
-extern int ZEXPORT unzReadCurrentFile OF((unzFile file,
-                      voidp buf,
-                      unsigned 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 unzGoToNextFile(unzFile file);
+/* Set the current file of the zipfile to the next file.
 
-extern z_off_t ZEXPORT unztell OF((unzFile file));
-/*
-  Give the current position in uncompressed data
-*/
+   return UNZ_OK if no error
+   return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest */
 
-extern int ZEXPORT unzeof OF((unzFile file));
-/*
-  return 1 if the end of file was reached, 0 elsewhere
-*/
+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.
 
-extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file,
-                                             voidp buf,
-                                             unsigned 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)
+   return UNZ_OK if no error
+   return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest */
 
-  if buf==NULL, it return the size of the local extra field
+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.
 
-  if buf!=NULL, len is the size of the buffer, the extra header is copied in
-    buf.
-  the return value is the number of bytes copied in buf, or (if <0)
-    the error code
-*/
+   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 uLong ZEXPORT unzGetOffset (unzFile file);
 
+extern int ZEXPORT unzSetOffset(unzFile file, uint32_t pos);
+extern int ZEXPORT unzSetOffset64(unzFile file, uint64_t pos);
 /* Set the current file offset */
-extern int ZEXPORT unzSetOffset (unzFile file, uLong pos);
 
+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 */
+#endif /* _UNZ_H */