add assimp submodule

1 files changed, 2000 insertions, 0 deletions

diff --git a/src/mesh/assimp-master/contrib/unzip/unzip.c b/src/mesh/assimp-master/contrib/unzip/unzip.c
new file mode 100644
index 0000000..f1eddee
--- /dev/null
+++ b/src/mesh/assimp-master/contrib/unzip/unzip.c
@@ -0,0 +1,2000 @@
+/* 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