]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/unzip.c
Hardware defines spec.
[wxWidgets.git] / src / common / unzip.c
index ce2260231ceec58a4c67c8837aeb907b6a136e50..e9b2143a1eb183e9e58c79a971c13898da4aecf7 100644 (file)
@@ -1,18 +1,44 @@
-/* unzip.c -- IO on .zip files using zlib 
+/*
+
+This file was altered for needs of wxWidgets.
+$Id$
+
+*/
+
+/* unzip.c -- IO on .zip files using zlib
    Version 0.15 beta, Mar 19th, 1998,
 
    Read unzip.h for more info
    Version 0.15 beta, Mar 19th, 1998,
 
    Read unzip.h for more info
+
 */
 
 */
 
-#include "wx/setup.h"
+#include "wx/platform.h"
 
 #if wxUSE_ZLIB && wxUSE_ZIPSTREAM
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
 #if wxUSE_ZLIB && wxUSE_ZIPSTREAM
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+/*
 #include "zlib.h"
 #include "zlib.h"
+ normally, the compiler options should contain -I../zlib, but it is
+ apparently not the case for all MSW makefiles and so, unless we use
+ configure (which defines __WX_SETUP_H__) or it is explicitly overridden by
+ the user (who can define wxUSE_ZLIB_H_IN_PATH), we hardcode the path here
+*/
+#if defined(__WXMSW__) && !defined(__WX_SETUP_H__) && !defined(wxUSE_ZLIB_H_IN_PATH)
+   #include "../zlib/zlib.h"
+#else
+   #include "zlib.h"
+#endif
+
+
+/* Not the right solution (paths in makefiles) but... */
+#ifdef __BORLANDC__
+#include "../common/unzip.h"
+#else
 #include "unzip.h"
 #include "unzip.h"
+#endif
 
 #ifdef STDC
 #  include <stddef.h>
 
 #ifdef STDC
 #  include <stddef.h>
@@ -86,23 +112,23 @@ typedef struct unz_file_info_internal_s
     when reading and decompress it */
 typedef struct
 {
     when reading and decompress it */
 typedef struct
 {
-       char  *read_buffer;         /* internal buffer for compressed data */
-       z_stream stream;            /* zLib stream structure for inflate */
-
-       uLong pos_in_zipfile;       /* position in byte on the zipfile, for fseek*/
-       uLong stream_initialised;   /* flag set if stream structure is initialised*/
-
-       uLong offset_local_extrafield;/* offset of the local extra field */
-       uInt  size_local_extrafield;/* size of the local extra field */
-       uLong pos_local_extrafield;   /* position in the local extra field in read*/
-
-       uLong crc32;                /* crc32 of all data uncompressed */
-       uLong crc32_wait;           /* crc32 we must obtain after decompress all */
-       uLong rest_read_compressed; /* number of byte to be decompressed */
-       uLong rest_read_uncompressed;/*number of byte to be obtained after decomp*/
-       FILE* file;                 /* io structore of the zipfile */
-       uLong compression_method;   /* compression method (0==store) */
-       uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/
+    char  *read_buffer;         /* internal buffer for compressed data */
+    z_stream stream;            /* zLib stream structure for inflate */
+
+    uLong pos_in_zipfile;       /* position in byte on the zipfile, for fseek*/
+    uLong stream_initialised;   /* flag set if stream structure is initialised*/
+
+    uLong offset_local_extrafield;/* offset of the local extra field */
+    uInt  size_local_extrafield;/* size of the local extra field */
+    uLong pos_local_extrafield;   /* position in the local extra field in read*/
+
+    uLong crc32;                /* crc32 of all data uncompressed */
+    uLong crc32_wait;           /* crc32 we must obtain after decompress all */
+    uLong rest_read_compressed; /* number of byte to be decompressed */
+    uLong rest_read_uncompressed;/*number of byte to be obtained after decomp*/
+    FILE* file;                 /* io structore of the zipfile */
+    uLong compression_method;   /* compression method (0==store) */
+    uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/
 } file_in_zip_read_info_s;
 
 
 } file_in_zip_read_info_s;
 
 
@@ -110,24 +136,33 @@ typedef struct
 */
 typedef struct
 {
 */
 typedef struct
 {
-       FILE* file;                 /* io structore of the zipfile */
-       unz_global_info gi;       /* public global information */
-       uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/
-       uLong num_file;             /* number of the current file in the zipfile*/
-       uLong pos_in_central_dir;   /* pos of the current file in the central dir*/
-       uLong current_file_ok;      /* flag about the usability of the current file*/
-       uLong central_pos;          /* position of the beginning of the central dir*/
-
-       uLong size_central_dir;     /* size of the central directory  */
-       uLong offset_central_dir;   /* offset of start of central directory with
-                                                                  respect to the starting disk number */
-
-       unz_file_info cur_file_info; /* public info about the current file in zip*/
-       unz_file_info_internal cur_file_info_internal; /* private info about it*/
+    FILE* file;                 /* io structore of the zipfile */
+    unz_global_info gi;       /* public global information */
+    uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/
+    uLong num_file;             /* number of the current file in the zipfile*/
+    uLong pos_in_central_dir;   /* pos of the current file in the central dir*/
+    uLong current_file_ok;      /* flag about the usability of the current file*/
+    uLong central_pos;          /* position of the beginning of the central dir*/
+
+    uLong size_central_dir;     /* size of the central directory  */
+    uLong offset_central_dir;   /* offset of start of central directory with
+                                   respect to the starting disk number */
+
+    unz_file_info cur_file_info; /* public info about the current file in zip*/
+    unz_file_info_internal cur_file_info_internal; /* private info about it*/
     file_in_zip_read_info_s* pfile_in_zip_read; /* structure about the current
     file_in_zip_read_info_s* pfile_in_zip_read; /* structure about the current
-                                           file if we are decompressing it */
+                                        file if we are decompressing it */
 } unz_s;
 
 } unz_s;
 
+#if defined (__VISAGECPP__) || defined(__BORLANDC__)
+/* VA always requires prototypes */
+int unzlocal_CheckCurrentFileCoherencyHeader (unz_s*, uInt*, uLong*, uInt*);
+#endif
+
+/* disable warnings about K&R declarations until the end of file */
+#ifdef _MSC_VER
+#pragma warning(disable:4131)
+#endif /* VC++ */
 
 /* ===========================================================================
      Read a byte from a gz_stream; update next_in and avail_in. Return EOF
 
 /* ===========================================================================
      Read a byte from a gz_stream; update next_in and avail_in. Return EOF
@@ -137,11 +172,11 @@ typedef struct
 
 
 local int unzlocal_getByte(fin,pi)
 
 
 local int unzlocal_getByte(fin,pi)
-       FILE *fin;
-       int *pi;
+    FILE *fin;
+    int *pi;
 {
     unsigned char c;
 {
     unsigned char c;
-       int err = fread(&c, 1, 1, fin);
+    int err = fread(&c, 1, 1, fin);
     if (err==1)
     {
         *pi = (int)c;
     if (err==1)
     {
         *pi = (int)c;
@@ -149,7 +184,7 @@ local int unzlocal_getByte(fin,pi)
     }
     else
     {
     }
     else
     {
-        if (ferror(fin)) 
+        if (ferror(fin))
             return UNZ_ERRNO;
         else
             return UNZ_EOF;
             return UNZ_ERRNO;
         else
             return UNZ_EOF;
@@ -158,10 +193,10 @@ local int unzlocal_getByte(fin,pi)
 
 
 /* ===========================================================================
 
 
 /* ===========================================================================
-   Reads a long in LSB order from the given gz_stream. Sets 
+   Reads a long in LSB order from the given gz_stream. Sets
 */
 local int unzlocal_getShort (fin,pX)
 */
 local int unzlocal_getShort (fin,pX)
-       FILE* fin;
+    FILE* fin;
     uLong *pX;
 {
     uLong x ;
     uLong *pX;
 {
     uLong x ;
@@ -170,11 +205,11 @@ local int unzlocal_getShort (fin,pX)
 
     err = unzlocal_getByte(fin,&i);
     x = (uLong)i;
 
     err = unzlocal_getByte(fin,&i);
     x = (uLong)i;
-    
+
     if (err==UNZ_OK)
         err = unzlocal_getByte(fin,&i);
     x += ((uLong)i)<<8;
     if (err==UNZ_OK)
         err = unzlocal_getByte(fin,&i);
     x += ((uLong)i)<<8;
-   
+
     if (err==UNZ_OK)
         *pX = x;
     else
     if (err==UNZ_OK)
         *pX = x;
     else
@@ -183,7 +218,7 @@ local int unzlocal_getShort (fin,pX)
 }
 
 local int unzlocal_getLong (fin,pX)
 }
 
 local int unzlocal_getLong (fin,pX)
-       FILE* fin;
+    FILE* fin;
     uLong *pX;
 {
     uLong x ;
     uLong *pX;
 {
     uLong x ;
@@ -192,7 +227,7 @@ local int unzlocal_getLong (fin,pX)
 
     err = unzlocal_getByte(fin,&i);
     x = (uLong)i;
 
     err = unzlocal_getByte(fin,&i);
     x = (uLong)i;
-    
+
     if (err==UNZ_OK)
         err = unzlocal_getByte(fin,&i);
     x += ((uLong)i)<<8;
     if (err==UNZ_OK)
         err = unzlocal_getByte(fin,&i);
     x += ((uLong)i)<<8;
@@ -204,7 +239,7 @@ local int unzlocal_getLong (fin,pX)
     if (err==UNZ_OK)
         err = unzlocal_getByte(fin,&i);
     x += ((uLong)i)<<24;
     if (err==UNZ_OK)
         err = unzlocal_getByte(fin,&i);
     x += ((uLong)i)<<24;
-   
+
     if (err==UNZ_OK)
         *pX = x;
     else
     if (err==UNZ_OK)
         *pX = x;
     else
@@ -215,26 +250,26 @@ local int unzlocal_getLong (fin,pX)
 
 /* My own strcmpi / strcasecmp */
 local int strcmpcasenosensitive_internal (fileName1,fileName2)
 
 /* My own strcmpi / strcasecmp */
 local int strcmpcasenosensitive_internal (fileName1,fileName2)
-       const char* fileName1;
-       const char* fileName2;
+    const char* fileName1;
+    const char* fileName2;
 {
 {
-       for (;;)
-       {
-               char c1=*(fileName1++);
-               char c2=*(fileName2++);
-               if ((c1>='a') && (c1<='z'))
-                       c1 -= 0x20;
-               if ((c2>='a') && (c2<='z'))
-                       c2 -= 0x20;
-               if (c1=='\0')
-                       return ((c2=='\0') ? 0 : -1);
-               if (c2=='\0')
-                       return 1;
-               if (c1<c2)
-                       return -1;
-               if (c1>c2)
-                       return 1;
-       }
+    for (;;)
+    {
+        char c1=*(fileName1++);
+        char c2=*(fileName2++);
+        if ((c1>='a') && (c1<='z'))
+            c1 -= 0x20;
+        if ((c2>='a') && (c2<='z'))
+            c2 -= 0x20;
+        if (c1=='\0')
+            return ((c2=='\0') ? 0 : -1);
+        if (c2=='\0')
+            return 1;
+        if (c1<c2)
+            return -1;
+        if (c1>c2)
+            return 1;
+    }
 }
 
 
 }
 
 
@@ -248,7 +283,7 @@ local int strcmpcasenosensitive_internal (fileName1,fileName2)
 #define STRCMPCASENOSENTIVEFUNCTION strcmpcasenosensitive_internal
 #endif
 
 #define STRCMPCASENOSENTIVEFUNCTION strcmpcasenosensitive_internal
 #endif
 
-/* 
+/*
    Compare two filename (fileName1,fileName2).
    If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp)
    If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi
    Compare two filename (fileName1,fileName2).
    If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp)
    If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi
@@ -258,18 +293,18 @@ local int strcmpcasenosensitive_internal (fileName1,fileName2)
 
 */
 extern int ZEXPORT unzStringFileNameCompare (fileName1,fileName2,iCaseSensitivity)
 
 */
 extern int ZEXPORT unzStringFileNameCompare (fileName1,fileName2,iCaseSensitivity)
-       const char* fileName1;
-       const char* fileName2;
-       int iCaseSensitivity;
+    const char* fileName1;
+    const char* fileName2;
+    int iCaseSensitivity;
 {
 {
-       if (iCaseSensitivity==0)
-               iCaseSensitivity=CASESENSITIVITYDEFAULTVALUE;
+    if (iCaseSensitivity==0)
+        iCaseSensitivity=CASESENSITIVITYDEFAULTVALUE;
 
 
-       if (iCaseSensitivity==1)
-               return strcmp(fileName1,fileName2);
+    if (iCaseSensitivity==1)
+        return strcmp(fileName1,fileName2);
 
 
-       return STRCMPCASENOSENTIVEFUNCTION(fileName1,fileName2);
-} 
+    return STRCMPCASENOSENTIVEFUNCTION(fileName1,fileName2);
+}
 
 #define BUFREADCOMMENT (0x400)
 
 
 #define BUFREADCOMMENT (0x400)
 
@@ -278,161 +313,161 @@ extern int ZEXPORT unzStringFileNameCompare (fileName1,fileName2,iCaseSensitivit
     the global comment)
 */
 local uLong unzlocal_SearchCentralDir(fin)
     the global comment)
 */
 local uLong unzlocal_SearchCentralDir(fin)
-       FILE *fin;
+    FILE *fin;
 {
 {
-       unsigned char* buf;
-       uLong uSizeFile;
-       uLong uBackRead;
-       uLong uMaxBack=0xffff; /* maximum size of global comment */
-       uLong uPosFound=0;
-       
-       if (fseek(fin,0,SEEK_END) != 0)
-               return 0;
-
-
-       uSizeFile = ftell( fin );
-       
-       if (uMaxBack>uSizeFile)
-               uMaxBack = uSizeFile;
-
-       buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4);
-       if (buf==NULL)
-               return 0;
-
-       uBackRead = 4;
-       while (uBackRead<uMaxBack)
-       {
-               uLong uReadSize,uReadPos ;
-               int i;
-               if (uBackRead+BUFREADCOMMENT>uMaxBack) 
-                       uBackRead = uMaxBack;
-               else
-                       uBackRead+=BUFREADCOMMENT;
-               uReadPos = uSizeFile-uBackRead ;
-               
-               uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ? 
+    unsigned char* buf;
+    uLong uSizeFile;
+    uLong uBackRead;
+    uLong uMaxBack=0xffff; /* maximum size of global comment */
+    uLong uPosFound=0;
+
+    if (fseek(fin,0,SEEK_END) != 0)
+        return 0;
+
+
+    uSizeFile = ftell( fin );
+
+    if (uMaxBack>uSizeFile)
+        uMaxBack = uSizeFile;
+
+    buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4);
+    if (buf==NULL)
+        return 0;
+
+    uBackRead = 4;
+    while (uBackRead<uMaxBack)
+    {
+        uLong uReadSize,uReadPos ;
+        int i;
+        if (uBackRead+BUFREADCOMMENT>uMaxBack)
+            uBackRead = uMaxBack;
+        else
+            uBackRead+=BUFREADCOMMENT;
+        uReadPos = uSizeFile-uBackRead ;
+
+        uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ?
                      (BUFREADCOMMENT+4) : (uSizeFile-uReadPos);
                      (BUFREADCOMMENT+4) : (uSizeFile-uReadPos);
-               if (fseek(fin,uReadPos,SEEK_SET)!=0)
-                       break;
+        if (fseek(fin,uReadPos,SEEK_SET)!=0)
+            break;
 
 
-               if (fread(buf,(uInt)uReadSize,1,fin)!=1)
-                       break;
+        if (fread(buf,(uInt)uReadSize,1,fin)!=1)
+            break;
 
                 for (i=(int)uReadSize-3; (i--)>0;)
 
                 for (i=(int)uReadSize-3; (i--)>0;)
-                       if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && 
-                               ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06))
-                       {
-                               uPosFound = uReadPos+i;
-                               break;
-                       }
-
-               if (uPosFound!=0)
-                       break;
-       }
-       TRYFREE(buf);
-       return uPosFound;
+            if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) &&
+                ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06))
+            {
+                uPosFound = uReadPos+i;
+                break;
+            }
+
+        if (uPosFound!=0)
+            break;
+    }
+    TRYFREE(buf);
+    return uPosFound;
 }
 
 /*
   Open a Zip file. path contain the full pathname (by example,
      on a Windows NT computer "c:\\test\\zlib109.zip" or on an Unix computer
 }
 
 /*
   Open a Zip file. path contain the full pathname (by example,
      on a Windows NT computer "c:\\test\\zlib109.zip" or on an Unix computer
-        "zlib/zlib109.zip".
-        If the zipfile cannot be opened (file don't exist or in not valid), the
-          return value is NULL.
+     "zlib/zlib109.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
      Else, the return value is a unzFile Handle, usable with other function
-          of this unzip package.
+       of this unzip package.
 */
 extern unzFile ZEXPORT unzOpen (path)
 */
 extern unzFile ZEXPORT unzOpen (path)
-       const char *path;
+    const char *path;
 {
 {
-       unz_s us;
-       unz_s *s;
-       uLong central_pos,uL;
-       FILE * fin ;
+    unz_s us;
+    unz_s *s;
+    uLong central_pos,uL;
+    FILE * fin ;
 
 
-       uLong number_disk;          /* number of the current dist, used for 
-                                                                  spaning ZIP, unsupported, always 0*/
-       uLong number_disk_with_CD;  /* number the the disk with central dir, used
-                                                                  for spaning ZIP, unsupported, always 0*/
-       uLong number_entry_CD;      /* total number of entries in
-                                      the central dir 
-                                      (same than number_entry on nospan) */
+    uLong number_disk;          /* number of the current dist, used for
+                                   spaning ZIP, unsupported, always 0*/
+    uLong number_disk_with_CD;  /* number the the disk with central dir, used
+                                   for spaning ZIP, unsupported, always 0*/
+    uLong number_entry_CD;      /* total number of entries in
+                                   the central dir
+                                   (same than number_entry on nospan) */
 
 
-       int err=UNZ_OK;
+    int err=UNZ_OK;
 
     if (unz_copyright[0]!=' ')
         return NULL;
 
     fin=fopen(path,"rb");
 
     if (unz_copyright[0]!=' ')
         return NULL;
 
     fin=fopen(path,"rb");
-       if (fin==NULL)
-               return NULL;
-
-       central_pos = unzlocal_SearchCentralDir(fin);
-       if (central_pos==0)
-               err=UNZ_ERRNO;
-
-       if (fseek(fin,central_pos,SEEK_SET)!=0)
-               err=UNZ_ERRNO;
-
-       /* the signature, already checked */
-       if (unzlocal_getLong(fin,&uL)!=UNZ_OK)
-               err=UNZ_ERRNO;
-
-       /* number of this disk */
-       if (unzlocal_getShort(fin,&number_disk)!=UNZ_OK)
-               err=UNZ_ERRNO;
-
-       /* number of the disk with the start of the central directory */
-       if (unzlocal_getShort(fin,&number_disk_with_CD)!=UNZ_OK)
-               err=UNZ_ERRNO;
-
-       /* total number of entries in the central dir on this disk */
-       if (unzlocal_getShort(fin,&us.gi.number_entry)!=UNZ_OK)
-               err=UNZ_ERRNO;
-
-       /* total number of entries in the central dir */
-       if (unzlocal_getShort(fin,&number_entry_CD)!=UNZ_OK)
-               err=UNZ_ERRNO;
-
-       if ((number_entry_CD!=us.gi.number_entry) ||
-               (number_disk_with_CD!=0) ||
-               (number_disk!=0))
-               err=UNZ_BADZIPFILE;
-
-       /* size of the central directory */
-       if (unzlocal_getLong(fin,&us.size_central_dir)!=UNZ_OK)
-               err=UNZ_ERRNO;
-
-       /* offset of start of central directory with respect to the 
-             starting disk number */
-       if (unzlocal_getLong(fin,&us.offset_central_dir)!=UNZ_OK)
-               err=UNZ_ERRNO;
-
-       /* zipfile comment length */
-       if (unzlocal_getShort(fin,&us.gi.size_comment)!=UNZ_OK)
-               err=UNZ_ERRNO;
-
-       if ((central_pos<us.offset_central_dir+us.size_central_dir) && 
-               (err==UNZ_OK))
-               err=UNZ_BADZIPFILE;
-
-       if (err!=UNZ_OK)
-       {
-               fclose(fin);
-               return NULL;
-       }
-
-       us.file=fin;
-       us.byte_before_the_zipfile = central_pos -
-                                   (us.offset_central_dir+us.size_central_dir);
-       us.central_pos = central_pos;
+
+    if (fin==NULL)
+        return NULL;
+
+    central_pos = unzlocal_SearchCentralDir(fin);
+    if (central_pos==0)
+        err=UNZ_ERRNO;
+
+    if (fseek(fin,central_pos,SEEK_SET)!=0)
+        err=UNZ_ERRNO;
+
+    /* the signature, already checked */
+    if (unzlocal_getLong(fin,&uL)!=UNZ_OK)
+        err=UNZ_ERRNO;
+
+    /* number of this disk */
+    if (unzlocal_getShort(fin,&number_disk)!=UNZ_OK)
+        err=UNZ_ERRNO;
+
+    /* number of the disk with the start of the central directory */
+    if (unzlocal_getShort(fin,&number_disk_with_CD)!=UNZ_OK)
+        err=UNZ_ERRNO;
+
+    /* total number of entries in the central dir on this disk */
+    if (unzlocal_getShort(fin,&us.gi.number_entry)!=UNZ_OK)
+        err=UNZ_ERRNO;
+
+    /* total number of entries in the central dir */
+    if (unzlocal_getShort(fin,&number_entry_CD)!=UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if ((number_entry_CD!=us.gi.number_entry) ||
+        (number_disk_with_CD!=0) ||
+        (number_disk!=0))
+        err=UNZ_BADZIPFILE;
+
+    /* size of the central directory */
+    if (unzlocal_getLong(fin,&us.size_central_dir)!=UNZ_OK)
+        err=UNZ_ERRNO;
+
+    /* offset of start of central directory with respect to the
+          starting disk number */
+    if (unzlocal_getLong(fin,&us.offset_central_dir)!=UNZ_OK)
+        err=UNZ_ERRNO;
+
+    /* zipfile comment length */
+    if (unzlocal_getShort(fin,&us.gi.size_comment)!=UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if ((central_pos<us.offset_central_dir+us.size_central_dir) &&
+        (err==UNZ_OK))
+        err=UNZ_BADZIPFILE;
+
+    if (err!=UNZ_OK)
+    {
+        fclose(fin);
+        return NULL;
+    }
+    us.file=fin;
+    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;
     us.pfile_in_zip_read = NULL;
-       
 
 
-       s=(unz_s*)ALLOC(sizeof(unz_s));
-       *s=us;
-       unzGoToFirstFile((unzFile)s);   
-       return (unzFile)s;      
+
+    s=(unz_s*)ALLOC(sizeof(unz_s));
+    *s=us;
+    unzGoToFirstFile((unzFile)s);
+    return (unzFile)s;
 }
 
 
 }
 
 
@@ -442,19 +477,19 @@ extern unzFile ZEXPORT unzOpen (path)
     these files MUST be closed with unzipCloseCurrentFile before call unzipClose.
   return UNZ_OK if there is no problem. */
 extern int ZEXPORT unzClose (file)
     these files MUST be closed with unzipCloseCurrentFile before call unzipClose.
   return UNZ_OK if there is no problem. */
 extern int ZEXPORT unzClose (file)
-       unzFile file;
+    unzFile file;
 {
 {
-       unz_s* s;
-       if (file==NULL)
-               return UNZ_PARAMERROR;
-       s=(unz_s*)file;
+    unz_s* s;
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
 
     if (s->pfile_in_zip_read!=NULL)
         unzCloseCurrentFile(file);
 
 
     if (s->pfile_in_zip_read!=NULL)
         unzCloseCurrentFile(file);
 
-       fclose(s->file);
-       TRYFREE(s);
-       return UNZ_OK;
+    fclose(s->file);
+    TRYFREE(s);
+    return UNZ_OK;
 }
 
 
 }
 
 
@@ -463,15 +498,15 @@ extern int ZEXPORT unzClose (file)
   No preparation of the structure is needed
   return UNZ_OK if there is no problem. */
 extern int ZEXPORT unzGetGlobalInfo (file,pglobal_info)
   No preparation of the structure is needed
   return UNZ_OK if there is no problem. */
 extern int ZEXPORT unzGetGlobalInfo (file,pglobal_info)
-       unzFile file;
-       unz_global_info *pglobal_info;
+    unzFile file;
+    unz_global_info *pglobal_info;
 {
 {
-       unz_s* s;
-       if (file==NULL)
-               return UNZ_PARAMERROR;
-       s=(unz_s*)file;
-       *pglobal_info=s->gi;
-       return UNZ_OK;
+    unz_s* s;
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
+    *pglobal_info=s->gi;
+    return UNZ_OK;
 }
 
 
 }
 
 
@@ -498,14 +533,14 @@ local void unzlocal_DosDateToTmuDate (ulDosDate, ptm)
 */
 local int unzlocal_GetCurrentFileInfoInternal OF((unzFile file,
                                                   unz_file_info *pfile_info,
 */
 local int unzlocal_GetCurrentFileInfoInternal OF((unzFile file,
                                                   unz_file_info *pfile_info,
-                                                  unz_file_info_internal 
+                                                  unz_file_info_internal
                                                   *pfile_info_internal,
                                                   char *szFileName,
                                                   *pfile_info_internal,
                                                   char *szFileName,
-                                                                                                 uLong fileNameBufferSize,
+                                                  uLong fileNameBufferSize,
                                                   void *extraField,
                                                   void *extraField,
-                                                                                                 uLong extraFieldBufferSize,
+                                                  uLong extraFieldBufferSize,
                                                   char *szComment,
                                                   char *szComment,
-                                                                                                 uLong commentBufferSize));
+                                                  uLong commentBufferSize));
 
 local int unzlocal_GetCurrentFileInfoInternal (file,
                                               pfile_info,
 
 local int unzlocal_GetCurrentFileInfoInternal (file,
                                               pfile_info,
@@ -513,156 +548,175 @@ local int unzlocal_GetCurrentFileInfoInternal (file,
                                               szFileName, fileNameBufferSize,
                                               extraField, extraFieldBufferSize,
                                               szComment,  commentBufferSize)
                                               szFileName, fileNameBufferSize,
                                               extraField, extraFieldBufferSize,
                                               szComment,  commentBufferSize)
-       unzFile file;
-       unz_file_info *pfile_info;
-       unz_file_info_internal *pfile_info_internal;
-       char *szFileName;
-       uLong fileNameBufferSize;
-       void *extraField;
-       uLong extraFieldBufferSize;
-       char *szComment;
-       uLong commentBufferSize;
+    unzFile file;
+    unz_file_info *pfile_info;
+    unz_file_info_internal *pfile_info_internal;
+    char *szFileName;
+    uLong fileNameBufferSize;
+    void *extraField;
+    uLong extraFieldBufferSize;
+    char *szComment;
+    uLong commentBufferSize;
 {
 {
-       unz_s* s;
-       unz_file_info file_info;
-       unz_file_info_internal file_info_internal;
-       int err=UNZ_OK;
-       uLong uMagic;
-       long lSeek=0;
-
-       if (file==NULL)
-               return UNZ_PARAMERROR;
-       s=(unz_s*)file;
-       if (fseek(s->file,s->pos_in_central_dir+s->byte_before_the_zipfile,SEEK_SET)!=0)
-               err=UNZ_ERRNO;
+    unz_s* s;
+    unz_file_info file_info;
+    unz_file_info_internal file_info_internal;
+    int err=UNZ_OK;
+    uLong uMagic;
+    long lSeek=0;
+
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
+    if (fseek(s->file,s->pos_in_central_dir+s->byte_before_the_zipfile,SEEK_SET)!=0)
+        err=UNZ_ERRNO;
 
 
 
 
-       /* we check the magic */
-       if (err==UNZ_OK)
-               if (unzlocal_getLong(s->file,&uMagic) != UNZ_OK)
-                       err=UNZ_ERRNO;
-               else if (uMagic!=0x02014b50)
-                       err=UNZ_BADZIPFILE;
+    /* we check the magic */
+    if (err==UNZ_OK)
+    {
+        if (unzlocal_getLong(s->file,&uMagic) != UNZ_OK)
+            err=UNZ_ERRNO;
+        else if (uMagic!=0x02014b50)
+            err=UNZ_BADZIPFILE;
+    }
 
 
-       if (unzlocal_getShort(s->file,&file_info.version) != UNZ_OK)
-               err=UNZ_ERRNO;
+    if (unzlocal_getShort(s->file,&file_info.version) != UNZ_OK)
+        err=UNZ_ERRNO;
 
 
-       if (unzlocal_getShort(s->file,&file_info.version_needed) != UNZ_OK)
-               err=UNZ_ERRNO;
+    if (unzlocal_getShort(s->file,&file_info.version_needed) != UNZ_OK)
+        err=UNZ_ERRNO;
 
 
-       if (unzlocal_getShort(s->file,&file_info.flag) != UNZ_OK)
-               err=UNZ_ERRNO;
+    if (unzlocal_getShort(s->file,&file_info.flag) != UNZ_OK)
+        err=UNZ_ERRNO;
 
 
-       if (unzlocal_getShort(s->file,&file_info.compression_method) != UNZ_OK)
-               err=UNZ_ERRNO;
+    if (unzlocal_getShort(s->file,&file_info.compression_method) != UNZ_OK)
+        err=UNZ_ERRNO;
 
 
-       if (unzlocal_getLong(s->file,&file_info.dosDate) != UNZ_OK)
-               err=UNZ_ERRNO;
+    if (unzlocal_getLong(s->file,&file_info.dosDate) != UNZ_OK)
+        err=UNZ_ERRNO;
 
     unzlocal_DosDateToTmuDate(file_info.dosDate,&file_info.tmu_date);
 
 
     unzlocal_DosDateToTmuDate(file_info.dosDate,&file_info.tmu_date);
 
-       if (unzlocal_getLong(s->file,&file_info.crc) != UNZ_OK)
-               err=UNZ_ERRNO;
-
-       if (unzlocal_getLong(s->file,&file_info.compressed_size) != UNZ_OK)
-               err=UNZ_ERRNO;
-
-       if (unzlocal_getLong(s->file,&file_info.uncompressed_size) != UNZ_OK)
-               err=UNZ_ERRNO;
-
-       if (unzlocal_getShort(s->file,&file_info.size_filename) != UNZ_OK)
-               err=UNZ_ERRNO;
-
-       if (unzlocal_getShort(s->file,&file_info.size_file_extra) != UNZ_OK)
-               err=UNZ_ERRNO;
-
-       if (unzlocal_getShort(s->file,&file_info.size_file_comment) != UNZ_OK)
-               err=UNZ_ERRNO;
-
-       if (unzlocal_getShort(s->file,&file_info.disk_num_start) != UNZ_OK)
-               err=UNZ_ERRNO;
-
-       if (unzlocal_getShort(s->file,&file_info.internal_fa) != UNZ_OK)
-               err=UNZ_ERRNO;
-
-       if (unzlocal_getLong(s->file,&file_info.external_fa) != UNZ_OK)
-               err=UNZ_ERRNO;
-
-       if (unzlocal_getLong(s->file,&file_info_internal.offset_curfile) != UNZ_OK)
-               err=UNZ_ERRNO;
-
-       lSeek+=file_info.size_filename;
-       if ((err==UNZ_OK) && (szFileName!=NULL))
-       {
-               uLong uSizeRead ;
-               if (file_info.size_filename<fileNameBufferSize)
-               {
-                       *(szFileName+file_info.size_filename)='\0';
-                       uSizeRead = file_info.size_filename;
-               }
-               else
-                       uSizeRead = fileNameBufferSize;
-
-               if ((file_info.size_filename>0) && (fileNameBufferSize>0))
-                       if (fread(szFileName,(uInt)uSizeRead,1,s->file)!=1)
-                               err=UNZ_ERRNO;
-               lSeek -= uSizeRead;
-       }
-
-       
-       if ((err==UNZ_OK) && (extraField!=NULL))
-       {
-               uLong uSizeRead ;
-               if (file_info.size_file_extra<extraFieldBufferSize)
-                       uSizeRead = file_info.size_file_extra;
-               else
-                       uSizeRead = extraFieldBufferSize;
-
-               if (lSeek!=0)
-                       if (fseek(s->file,lSeek,SEEK_CUR)==0)
-                               lSeek=0;
-                       else
-                               err=UNZ_ERRNO;
-               if ((file_info.size_file_extra>0) && (extraFieldBufferSize>0))
-                       if (fread(extraField,(uInt)uSizeRead,1,s->file)!=1)
-                               err=UNZ_ERRNO;
-               lSeek += file_info.size_file_extra - uSizeRead;
-       }
-       else
-               lSeek+=file_info.size_file_extra; 
-
-       
-       if ((err==UNZ_OK) && (szComment!=NULL))
-       {
-               uLong uSizeRead ;
-               if (file_info.size_file_comment<commentBufferSize)
-               {
-                       *(szComment+file_info.size_file_comment)='\0';
-                       uSizeRead = file_info.size_file_comment;
-               }
-               else
-                       uSizeRead = commentBufferSize;
-
-               if (lSeek!=0)
-                       if (fseek(s->file,lSeek,SEEK_CUR)==0)
-                               lSeek=0;
-                       else
-                               err=UNZ_ERRNO;
-               if ((file_info.size_file_comment>0) && (commentBufferSize>0))
-                       if (fread(szComment,(uInt)uSizeRead,1,s->file)!=1)
-                               err=UNZ_ERRNO;
-               lSeek+=file_info.size_file_comment - uSizeRead;
-       }
-       else
-               lSeek+=file_info.size_file_comment;
-
-       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;
+    if (unzlocal_getLong(s->file,&file_info.crc) != UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if (unzlocal_getLong(s->file,&file_info.compressed_size) != UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if (unzlocal_getLong(s->file,&file_info.uncompressed_size) != UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if (unzlocal_getShort(s->file,&file_info.size_filename) != UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if (unzlocal_getShort(s->file,&file_info.size_file_extra) != UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if (unzlocal_getShort(s->file,&file_info.size_file_comment) != UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if (unzlocal_getShort(s->file,&file_info.disk_num_start) != UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if (unzlocal_getShort(s->file,&file_info.internal_fa) != UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if (unzlocal_getLong(s->file,&file_info.external_fa) != UNZ_OK)
+        err=UNZ_ERRNO;
+
+    if (unzlocal_getLong(s->file,&file_info_internal.offset_curfile) != UNZ_OK)
+        err=UNZ_ERRNO;
+
+    lSeek+=file_info.size_filename;
+    if ((err==UNZ_OK) && (szFileName!=NULL))
+    {
+        uLong uSizeRead ;
+        if (file_info.size_filename<fileNameBufferSize)
+        {
+            *(szFileName+file_info.size_filename)='\0';
+            uSizeRead = file_info.size_filename;
+        }
+        else
+            uSizeRead = fileNameBufferSize;
+
+        if ((file_info.size_filename>0) && (fileNameBufferSize>0))
+            if (fread(szFileName,(uInt)uSizeRead,1,s->file)!=1)
+                err=UNZ_ERRNO;
+        lSeek -= uSizeRead;
+    }
+
+
+    if ((err==UNZ_OK) && (extraField!=NULL))
+    {
+        uLong uSizeRead ;
+        if (file_info.size_file_extra<extraFieldBufferSize)
+            uSizeRead = file_info.size_file_extra;
+        else
+            uSizeRead = extraFieldBufferSize;
+
+        if (lSeek!=0)
+        {
+            if (fseek(s->file,lSeek,SEEK_CUR)==0)
+                lSeek=0;
+            else
+                err=UNZ_ERRNO;
+        }
+
+        if ((file_info.size_file_extra>0) && (extraFieldBufferSize>0))
+            if (fread(extraField,(uInt)uSizeRead,1,s->file)!=1)
+                err=UNZ_ERRNO;
+        lSeek += file_info.size_file_extra - uSizeRead;
+    }
+    else
+        lSeek+=file_info.size_file_extra;
+
+
+    if ((err==UNZ_OK) && (szComment!=NULL))
+    {
+        uLong uSizeRead ;
+        if (file_info.size_file_comment<commentBufferSize)
+        {
+            *(szComment+file_info.size_file_comment)='\0';
+            uSizeRead = file_info.size_file_comment;
+        }
+        else
+            uSizeRead = commentBufferSize;
+
+        if (lSeek!=0)
+        {
+            if (fseek(s->file,lSeek,SEEK_CUR)!=0)
+                err=UNZ_ERRNO;
+#ifdef __WXDEBUG__
+            // lSeek is not used later in the code so update it only for debug purposes
+            else
+                lSeek=0;
+#endif
+        }
+
+        if ((file_info.size_file_comment>0) && (commentBufferSize>0))
+            if (fread(szComment,(uInt)uSizeRead,1,s->file)!=1)
+                err=UNZ_ERRNO;
+#ifdef __WXDEBUG__
+        // lSeek is not used later in the code so update it only for debug purposes
+        lSeek+=file_info.size_file_comment - uSizeRead;
+#endif
+    }
+#ifdef __WXDEBUG__
+    else
+    {
+        // lSeek is not used later in the code so update it only for debug purposes
+        lSeek+=file_info.size_file_comment;
+    }
+#endif
+
+    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;
 }
 
 
 }
 
 
@@ -677,19 +731,19 @@ extern int ZEXPORT unzGetCurrentFileInfo (file,
                                                   szFileName, fileNameBufferSize,
                                                   extraField, extraFieldBufferSize,
                                                   szComment,  commentBufferSize)
                                                   szFileName, fileNameBufferSize,
                                                   extraField, extraFieldBufferSize,
                                                   szComment,  commentBufferSize)
-       unzFile file;
-       unz_file_info *pfile_info;
-       char *szFileName;
-       uLong fileNameBufferSize;
-       void *extraField;
-       uLong extraFieldBufferSize;
-       char *szComment;
-       uLong commentBufferSize;
+    unzFile file;
+    unz_file_info *pfile_info;
+    char *szFileName;
+    uLong fileNameBufferSize;
+    void *extraField;
+    uLong extraFieldBufferSize;
+    char *szComment;
+    uLong commentBufferSize;
 {
 {
-       return unzlocal_GetCurrentFileInfoInternal(file,pfile_info,NULL,
-                                                                                               szFileName,fileNameBufferSize,
-                                                                                               extraField,extraFieldBufferSize,
-                                                                                               szComment,commentBufferSize);
+    return unzlocal_GetCurrentFileInfoInternal(file,pfile_info,NULL,
+                                                szFileName,fileNameBufferSize,
+                                                extraField,extraFieldBufferSize,
+                                                szComment,commentBufferSize);
 }
 
 /*
 }
 
 /*
@@ -697,20 +751,20 @@ extern int ZEXPORT unzGetCurrentFileInfo (file,
   return UNZ_OK if there is no problem
 */
 extern int ZEXPORT unzGoToFirstFile (file)
   return UNZ_OK if there is no problem
 */
 extern int ZEXPORT unzGoToFirstFile (file)
-       unzFile file;
+    unzFile file;
 {
 {
-       int err=UNZ_OK;
-       unz_s* s;
-       if (file==NULL)
-               return UNZ_PARAMERROR;
-       s=(unz_s*)file;
-       s->pos_in_central_dir=s->offset_central_dir;
-       s->num_file=0;
-       err=unzlocal_GetCurrentFileInfoInternal(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;
+    int err;
+    unz_s* s;
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
+    s->pos_in_central_dir=s->offset_central_dir;
+    s->num_file=0;
+    err=unzlocal_GetCurrentFileInfoInternal(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;
 }
 
 
 }
 
 
@@ -720,27 +774,27 @@ extern int ZEXPORT unzGoToFirstFile (file)
   return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.
 */
 extern int ZEXPORT unzGoToNextFile (file)
   return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.
 */
 extern int ZEXPORT unzGoToNextFile (file)
-       unzFile file;
+    unzFile file;
 {
 {
-       unz_s* s;       
-       int err;
-
-       if (file==NULL)
-               return UNZ_PARAMERROR;
-       s=(unz_s*)file;
-       if (!s->current_file_ok)
-               return UNZ_END_OF_LIST_OF_FILE;
-       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++;
-       err = unzlocal_GetCurrentFileInfoInternal(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;
+    unz_s* s;
+    int err;
+
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
+    if (!s->current_file_ok)
+        return UNZ_END_OF_LIST_OF_FILE;
+    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++;
+    err = unzlocal_GetCurrentFileInfoInternal(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;
 }
 
 
 }
 
 
@@ -753,48 +807,55 @@ extern int ZEXPORT unzGoToNextFile (file)
   UNZ_END_OF_LIST_OF_FILE if the file is not found
 */
 extern int ZEXPORT unzLocateFile (file, szFileName, iCaseSensitivity)
   UNZ_END_OF_LIST_OF_FILE if the file is not found
 */
 extern int ZEXPORT unzLocateFile (file, szFileName, iCaseSensitivity)
-       unzFile file;
-       const char *szFileName;
-       int iCaseSensitivity;
+    unzFile file;
+    const char *szFileName;
+    int iCaseSensitivity;
 {
 {
-       unz_s* s;       
-       int err;
+    unz_s* s;
+    int err;
+    const char *c;
+    char *c2;
+    char szFileName2[UNZ_MAXFILENAMEINZIP+1];
 
 
-       
-       uLong num_fileSaved;
-       uLong pos_in_central_dirSaved;
+    uLong num_fileSaved;
+    uLong pos_in_central_dirSaved;
 
 
+    for (c = szFileName, c2 = szFileName2; *c != '\0'; c++, c2++)
+        if (*c == '\\') *c2 = '/';
+        else *c2 = *c;
+    *c2 = '\0';
 
 
-       if (file==NULL)
-               return UNZ_PARAMERROR;
+    if (file==NULL)
+        return UNZ_PARAMERROR;
 
     if (strlen(szFileName)>=UNZ_MAXFILENAMEINZIP)
         return UNZ_PARAMERROR;
 
 
     if (strlen(szFileName)>=UNZ_MAXFILENAMEINZIP)
         return UNZ_PARAMERROR;
 
-       s=(unz_s*)file;
-       if (!s->current_file_ok)
-               return UNZ_END_OF_LIST_OF_FILE;
-
-       num_fileSaved = s->num_file;
-       pos_in_central_dirSaved = s->pos_in_central_dir;
-
-       err = unzGoToFirstFile(file);
-
-       while (err == UNZ_OK)
-       {
-               char szCurrentFileName[UNZ_MAXFILENAMEINZIP+1];
-               unzGetCurrentFileInfo(file,NULL,
-                                                               szCurrentFileName,sizeof(szCurrentFileName)-1,
-                                                               NULL,0,NULL,0);
-               if (unzStringFileNameCompare(szCurrentFileName,
-                                                                               szFileName,iCaseSensitivity)==0)
-                       return UNZ_OK;
-               err = unzGoToNextFile(file);
-       }
-
-       s->num_file = num_fileSaved ;
-       s->pos_in_central_dir = pos_in_central_dirSaved ;
-       return err;
+    s=(unz_s*)file;
+    if (!s->current_file_ok)
+        return UNZ_END_OF_LIST_OF_FILE;
+
+    num_fileSaved = s->num_file;
+    pos_in_central_dirSaved = s->pos_in_central_dir;
+
+    err = unzGoToFirstFile(file);
+
+    while (err == UNZ_OK)
+    {
+        char szCurrentFileName[UNZ_MAXFILENAMEINZIP+1];
+        unzGetCurrentFileInfo(file,NULL,
+                                szCurrentFileName,sizeof(szCurrentFileName)-1,
+                                NULL,0,NULL,0);
+        for (c2 = szCurrentFileName; *c2 != '\0'; c2++) if (*c2 == '\\') *c2 = '/';
+        if (unzStringFileNameCompare(szCurrentFileName,
+                                        szFileName2,iCaseSensitivity)==0)
+            return UNZ_OK;
+        err = unzGoToNextFile(file);
+    }
+
+    s->num_file = num_fileSaved ;
+    s->pos_in_central_dir = pos_in_central_dirSaved ;
+    return err;
 }
 
 
 }
 
 
@@ -806,182 +867,190 @@ extern int ZEXPORT unzLocateFile (file, szFileName, iCaseSensitivity)
         (filename and size of extra field data)
 */
 local int unzlocal_CheckCurrentFileCoherencyHeader (s,piSizeVar,
         (filename and size of extra field data)
 */
 local int unzlocal_CheckCurrentFileCoherencyHeader (s,piSizeVar,
-                                                                                                       poffset_local_extrafield,
-                                                                                                       psize_local_extrafield)
-       unz_s* s;
-       uInt* piSizeVar;
-       uLong *poffset_local_extrafield;
-       uInt  *psize_local_extrafield;
+                                                    poffset_local_extrafield,
+                                                    psize_local_extrafield)
+    unz_s* s;
+    uInt* piSizeVar;
+    uLong *poffset_local_extrafield;
+    uInt  *psize_local_extrafield;
 {
 {
-       uLong uMagic,uData,uFlags;
-       uLong size_filename;
-       uLong size_extra_field;
-       int err=UNZ_OK;
+    uLong uMagic,uData,uFlags;
+    uLong size_filename;
+    uLong size_extra_field;
+    int err=UNZ_OK;
 
 
-       *piSizeVar = 0;
-       *poffset_local_extrafield = 0;
-       *psize_local_extrafield = 0;
+    *piSizeVar = 0;
+    *poffset_local_extrafield = 0;
+    *psize_local_extrafield = 0;
 
 
-       if (fseek(s->file,s->cur_file_info_internal.offset_curfile +
-                                                               s->byte_before_the_zipfile,SEEK_SET)!=0)
-               return UNZ_ERRNO;
+    if (fseek(s->file,s->cur_file_info_internal.offset_curfile +
+                                s->byte_before_the_zipfile,SEEK_SET)!=0)
+        return UNZ_ERRNO;
 
 
 
 
-       if (err==UNZ_OK)
-               if (unzlocal_getLong(s->file,&uMagic) != UNZ_OK)
-                       err=UNZ_ERRNO;
-               else if (uMagic!=0x04034b50)
-                       err=UNZ_BADZIPFILE;
+    if (err==UNZ_OK)
+    {
+        if (unzlocal_getLong(s->file,&uMagic) != UNZ_OK)
+            err=UNZ_ERRNO;
+        else if (uMagic!=0x04034b50)
+            err=UNZ_BADZIPFILE;
+    }
 
 
-       if (unzlocal_getShort(s->file,&uData) != UNZ_OK)
-               err=UNZ_ERRNO;
+    if (unzlocal_getShort(s->file,&uData) != UNZ_OK)
+        err=UNZ_ERRNO;
 /*
 /*
-       else if ((err==UNZ_OK) && (uData!=s->cur_file_info.wVersion))
-               err=UNZ_BADZIPFILE;
+    else if ((err==UNZ_OK) && (uData!=s->cur_file_info.wVersion))
+        err=UNZ_BADZIPFILE;
 */
 */
-       if (unzlocal_getShort(s->file,&uFlags) != UNZ_OK)
-               err=UNZ_ERRNO;
+    if (unzlocal_getShort(s->file,&uFlags) != UNZ_OK)
+        err=UNZ_ERRNO;
 
 
-       if (unzlocal_getShort(s->file,&uData) != UNZ_OK)
-               err=UNZ_ERRNO;
-       else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compression_method))
-               err=UNZ_BADZIPFILE;
+    if (unzlocal_getShort(s->file,&uData) != UNZ_OK)
+        err=UNZ_ERRNO;
+    else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compression_method))
+        err=UNZ_BADZIPFILE;
 
     if ((err==UNZ_OK) && (s->cur_file_info.compression_method!=0) &&
                          (s->cur_file_info.compression_method!=Z_DEFLATED))
         err=UNZ_BADZIPFILE;
 
 
     if ((err==UNZ_OK) && (s->cur_file_info.compression_method!=0) &&
                          (s->cur_file_info.compression_method!=Z_DEFLATED))
         err=UNZ_BADZIPFILE;
 
-       if (unzlocal_getLong(s->file,&uData) != UNZ_OK) /* date/time */
-               err=UNZ_ERRNO;
+    if (unzlocal_getLong(s->file,&uData) != UNZ_OK) /* date/time */
+        err=UNZ_ERRNO;
 
 
-       if (unzlocal_getLong(s->file,&uData) != UNZ_OK) /* crc */
-               err=UNZ_ERRNO;
-       else if ((err==UNZ_OK) && (uData!=s->cur_file_info.crc) &&
-                                     ((uFlags & 8)==0))
-               err=UNZ_BADZIPFILE;
+    if (unzlocal_getLong(s->file,&uData) != UNZ_OK) /* crc */
+        err=UNZ_ERRNO;
+    else if ((err==UNZ_OK) && (uData!=s->cur_file_info.crc) &&
+                              ((uFlags & 8)==0))
+        err=UNZ_BADZIPFILE;
 
 
-       if (unzlocal_getLong(s->file,&uData) != UNZ_OK) /* size compr */
-               err=UNZ_ERRNO;
-       else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compressed_size) &&
-                                                         ((uFlags & 8)==0))
-               err=UNZ_BADZIPFILE;
+    if (unzlocal_getLong(s->file,&uData) != UNZ_OK) /* size compr */
+        err=UNZ_ERRNO;
+    else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compressed_size) &&
+                              ((uFlags & 8)==0))
+        err=UNZ_BADZIPFILE;
 
 
-       if (unzlocal_getLong(s->file,&uData) != UNZ_OK) /* size uncompr */
-               err=UNZ_ERRNO;
-       else if ((err==UNZ_OK) && (uData!=s->cur_file_info.uncompressed_size) && 
-                                                         ((uFlags & 8)==0))
-               err=UNZ_BADZIPFILE;
+    if (unzlocal_getLong(s->file,&uData) != UNZ_OK) /* size uncompr */
+        err=UNZ_ERRNO;
+    else if ((err==UNZ_OK) && (uData!=s->cur_file_info.uncompressed_size) &&
+                              ((uFlags & 8)==0))
+        err=UNZ_BADZIPFILE;
 
 
 
 
-       if (unzlocal_getShort(s->file,&size_filename) != UNZ_OK)
-               err=UNZ_ERRNO;
-       else if ((err==UNZ_OK) && (size_filename!=s->cur_file_info.size_filename))
-               err=UNZ_BADZIPFILE;
+    if (unzlocal_getShort(s->file,&size_filename) != UNZ_OK)
+        err=UNZ_ERRNO;
+    else if ((err==UNZ_OK) && (size_filename!=s->cur_file_info.size_filename))
+        err=UNZ_BADZIPFILE;
 
 
-       *piSizeVar += (uInt)size_filename;
+    *piSizeVar += (uInt)size_filename;
 
 
-       if (unzlocal_getShort(s->file,&size_extra_field) != UNZ_OK)
-               err=UNZ_ERRNO;
-       *poffset_local_extrafield= s->cur_file_info_internal.offset_curfile +
-                                                                       SIZEZIPLOCALHEADER + size_filename;
-       *psize_local_extrafield = (uInt)size_extra_field;
+    if (unzlocal_getShort(s->file,&size_extra_field) != UNZ_OK)
+        err=UNZ_ERRNO;
+    *poffset_local_extrafield= s->cur_file_info_internal.offset_curfile +
+                                    SIZEZIPLOCALHEADER + size_filename;
+    *psize_local_extrafield = (uInt)size_extra_field;
 
 
-       *piSizeVar += (uInt)size_extra_field;
+    *piSizeVar += (uInt)size_extra_field;
 
 
-       return err;
+    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 unzOpenCurrentFile (file)
 /*
   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 unzOpenCurrentFile (file)
-       unzFile file;
+    unzFile file;
 {
 {
-       int err=UNZ_OK;
-       int Store;
-       uInt iSizeVar;
-       unz_s* s;
-       file_in_zip_read_info_s* pfile_in_zip_read_info;
-       uLong offset_local_extrafield;  /* offset of the local extra field */
-       uInt  size_local_extrafield;    /* size of the local extra field */
-
-       if (file==NULL)
-               return UNZ_PARAMERROR;
-       s=(unz_s*)file;
-       if (!s->current_file_ok)
-               return UNZ_PARAMERROR;
+    int err
+#ifdef __WXDEBUG__
+           =UNZ_OK
+#endif
+    ;
+    int Store;
+    uInt iSizeVar;
+    unz_s* s;
+    file_in_zip_read_info_s* pfile_in_zip_read_info;
+    uLong offset_local_extrafield;  /* offset of the local extra field */
+    uInt  size_local_extrafield;    /* size of the local extra field */
+
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
+    if (!s->current_file_ok)
+        return UNZ_PARAMERROR;
 
     if (s->pfile_in_zip_read != NULL)
         unzCloseCurrentFile(file);
 
 
     if (s->pfile_in_zip_read != NULL)
         unzCloseCurrentFile(file);
 
-       if (unzlocal_CheckCurrentFileCoherencyHeader(s,&iSizeVar,
-                               &offset_local_extrafield,&size_local_extrafield)!=UNZ_OK)
-               return UNZ_BADZIPFILE;
-
-       pfile_in_zip_read_info = (file_in_zip_read_info_s*)
-                                                                           ALLOC(sizeof(file_in_zip_read_info_s));
-       if (pfile_in_zip_read_info==NULL)
-               return UNZ_INTERNALERROR;
-
-       pfile_in_zip_read_info->read_buffer=(char*)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;
-
-       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;
-       
-       if ((s->cur_file_info.compression_method!=0) &&
+    if (unzlocal_CheckCurrentFileCoherencyHeader(s,&iSizeVar,
+                &offset_local_extrafield,&size_local_extrafield)!=UNZ_OK)
+        return UNZ_BADZIPFILE;
+
+    pfile_in_zip_read_info = (file_in_zip_read_info_s*)
+                                        ALLOC(sizeof(file_in_zip_read_info_s));
+    if (pfile_in_zip_read_info==NULL)
+        return UNZ_INTERNALERROR;
+
+    pfile_in_zip_read_info->read_buffer=(char*)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;
+
+    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;
+
+#ifdef __WXDEBUG__
+    if ((s->cur_file_info.compression_method!=0) &&
         (s->cur_file_info.compression_method!=Z_DEFLATED))
         (s->cur_file_info.compression_method!=Z_DEFLATED))
-               err=UNZ_BADZIPFILE;
-       Store = s->cur_file_info.compression_method==0;
+        err=UNZ_BADZIPFILE;
+#endif
+    Store = s->cur_file_info.compression_method==0;
 
 
-       pfile_in_zip_read_info->crc32_wait=s->cur_file_info.crc;
-       pfile_in_zip_read_info->crc32=0;
-       pfile_in_zip_read_info->compression_method =
+    pfile_in_zip_read_info->crc32_wait=s->cur_file_info.crc;
+    pfile_in_zip_read_info->crc32=0;
+    pfile_in_zip_read_info->compression_method =
             s->cur_file_info.compression_method;
             s->cur_file_info.compression_method;
-       pfile_in_zip_read_info->file=s->file;
-       pfile_in_zip_read_info->byte_before_the_zipfile=s->byte_before_the_zipfile;
+    pfile_in_zip_read_info->file=s->file;
+    pfile_in_zip_read_info->byte_before_the_zipfile=s->byte_before_the_zipfile;
 
     pfile_in_zip_read_info->stream.total_out = 0;
 
 
     pfile_in_zip_read_info->stream.total_out = 0;
 
-       if (!Store)
-       {
-         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; 
-      
-         err=inflateInit2(&pfile_in_zip_read_info->stream, -MAX_WBITS);
-         if (err == Z_OK)
-           pfile_in_zip_read_info->stream_initialised=1;
+    if (!Store)
+    {
+      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;
+
+      err=inflateInit2(&pfile_in_zip_read_info->stream, -MAX_WBITS);
+      if (err == Z_OK)
+        pfile_in_zip_read_info->stream_initialised=1;
         /* 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
         /* 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 
+         * 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
          */
          * size of both compressed and uncompressed data
          */
-       }
-       pfile_in_zip_read_info->rest_read_compressed = 
+    }
+    pfile_in_zip_read_info->rest_read_compressed =
             s->cur_file_info.compressed_size ;
             s->cur_file_info.compressed_size ;
-       pfile_in_zip_read_info->rest_read_uncompressed = 
+    pfile_in_zip_read_info->rest_read_uncompressed =
             s->cur_file_info.uncompressed_size ;
 
             s->cur_file_info.uncompressed_size ;
 
-       
-       pfile_in_zip_read_info->pos_in_zipfile = 
-            s->cur_file_info_internal.offset_curfile + SIZEZIPLOCALHEADER + 
-                         iSizeVar;
-       
-       pfile_in_zip_read_info->stream.avail_in = (uInt)0;
 
 
+    pfile_in_zip_read_info->pos_in_zipfile =
+            s->cur_file_info_internal.offset_curfile + SIZEZIPLOCALHEADER +
+              iSizeVar;
+
+    pfile_in_zip_read_info->stream.avail_in = (uInt)0;
 
 
-       s->pfile_in_zip_read = pfile_in_zip_read_info;
+
+    s->pfile_in_zip_read = pfile_in_zip_read_info;
     return UNZ_OK;
 }
 
     return UNZ_OK;
 }
 
@@ -997,126 +1066,126 @@ extern int ZEXPORT unzOpenCurrentFile (file)
     (UNZ_ERRNO for IO error, or zLib error for uncompress error)
 */
 extern int ZEXPORT unzReadCurrentFile  (file, buf, len)
     (UNZ_ERRNO for IO error, or zLib error for uncompress error)
 */
 extern int ZEXPORT unzReadCurrentFile  (file, buf, len)
-       unzFile file;
-       voidp buf;
-       unsigned len;
+    unzFile file;
+    voidp buf;
+    unsigned len;
 {
 {
-       int err=UNZ_OK;
-       uInt iRead = 0;
-       unz_s* s;
-       file_in_zip_read_info_s* pfile_in_zip_read_info;
-       if (file==NULL)
-               return UNZ_PARAMERROR;
-       s=(unz_s*)file;
+    int err=UNZ_OK;
+    uInt iRead = 0;
+    unz_s* s;
+    file_in_zip_read_info_s* pfile_in_zip_read_info;
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
     pfile_in_zip_read_info=s->pfile_in_zip_read;
 
     pfile_in_zip_read_info=s->pfile_in_zip_read;
 
-       if (pfile_in_zip_read_info==NULL)
-               return UNZ_PARAMERROR;
+    if (pfile_in_zip_read_info==NULL)
+        return UNZ_PARAMERROR;
+
 
 
+    if ((pfile_in_zip_read_info->read_buffer == NULL))
+        return UNZ_END_OF_LIST_OF_FILE;
+    if (len==0)
+        return 0;
 
 
-       if ((pfile_in_zip_read_info->read_buffer == NULL))
-               return UNZ_END_OF_LIST_OF_FILE;
-       if (len==0)
-               return 0;
+    pfile_in_zip_read_info->stream.next_out = (Bytef*)buf;
 
 
-       pfile_in_zip_read_info->stream.next_out = (Bytef*)buf;
+    pfile_in_zip_read_info->stream.avail_out = (uInt)len;
 
 
-       pfile_in_zip_read_info->stream.avail_out = (uInt)len;
-       
-       if (len>pfile_in_zip_read_info->rest_read_uncompressed)
-               pfile_in_zip_read_info->stream.avail_out = 
-                 (uInt)pfile_in_zip_read_info->rest_read_uncompressed;
+    if (len>pfile_in_zip_read_info->rest_read_uncompressed)
+        pfile_in_zip_read_info->stream.avail_out =
+          (uInt)pfile_in_zip_read_info->rest_read_uncompressed;
 
 
-       while (pfile_in_zip_read_info->stream.avail_out>0)
-       {
-               if ((pfile_in_zip_read_info->stream.avail_in==0) &&
+    while (pfile_in_zip_read_info->stream.avail_out>0)
+    {
+        if ((pfile_in_zip_read_info->stream.avail_in==0) &&
             (pfile_in_zip_read_info->rest_read_compressed>0))
             (pfile_in_zip_read_info->rest_read_compressed>0))
-               {
-                       uInt uReadThis = UNZ_BUFSIZE;
-                       if (pfile_in_zip_read_info->rest_read_compressed<uReadThis)
-                               uReadThis = (uInt)pfile_in_zip_read_info->rest_read_compressed;
-                       if (uReadThis == 0)
-                               return UNZ_EOF;
-                       if (fseek(pfile_in_zip_read_info->file,
-                      pfile_in_zip_read_info->pos_in_zipfile + 
+        {
+            uInt uReadThis = UNZ_BUFSIZE;
+            if (pfile_in_zip_read_info->rest_read_compressed<uReadThis)
+                uReadThis = (uInt)pfile_in_zip_read_info->rest_read_compressed;
+            if (uReadThis == 0)
+                return UNZ_EOF;
+            if (fseek(pfile_in_zip_read_info->file,
+                      pfile_in_zip_read_info->pos_in_zipfile +
                          pfile_in_zip_read_info->byte_before_the_zipfile,SEEK_SET)!=0)
                          pfile_in_zip_read_info->byte_before_the_zipfile,SEEK_SET)!=0)
-                               return UNZ_ERRNO;
-                       if (fread(pfile_in_zip_read_info->read_buffer,uReadThis,1,
+                return UNZ_ERRNO;
+            if (fread(pfile_in_zip_read_info->read_buffer,uReadThis,1,
                          pfile_in_zip_read_info->file)!=1)
                          pfile_in_zip_read_info->file)!=1)
-                               return UNZ_ERRNO;
-                       pfile_in_zip_read_info->pos_in_zipfile += uReadThis;
+                return UNZ_ERRNO;
+            pfile_in_zip_read_info->pos_in_zipfile += uReadThis;
 
 
-                       pfile_in_zip_read_info->rest_read_compressed-=uReadThis;
-                       
-                       pfile_in_zip_read_info->stream.next_in = 
+            pfile_in_zip_read_info->rest_read_compressed-=uReadThis;
+
+            pfile_in_zip_read_info->stream.next_in =
                 (Bytef*)pfile_in_zip_read_info->read_buffer;
                 (Bytef*)pfile_in_zip_read_info->read_buffer;
-                       pfile_in_zip_read_info->stream.avail_in = (uInt)uReadThis;
-               }
+            pfile_in_zip_read_info->stream.avail_in = (uInt)uReadThis;
+        }
 
 
-               if (pfile_in_zip_read_info->compression_method==0)
-               {
-                       uInt uDoCopy,i ;
-                       if (pfile_in_zip_read_info->stream.avail_out < 
+        if (pfile_in_zip_read_info->compression_method==0)
+        {
+            uInt uDoCopy,i ;
+            if (pfile_in_zip_read_info->stream.avail_out <
                             pfile_in_zip_read_info->stream.avail_in)
                             pfile_in_zip_read_info->stream.avail_in)
-                               uDoCopy = pfile_in_zip_read_info->stream.avail_out ;
-                       else
-                               uDoCopy = pfile_in_zip_read_info->stream.avail_in ;
-                               
-                       for (i=0;i<uDoCopy;i++)
-                               *(pfile_in_zip_read_info->stream.next_out+i) =
+                uDoCopy = pfile_in_zip_read_info->stream.avail_out ;
+            else
+                uDoCopy = pfile_in_zip_read_info->stream.avail_in ;
+
+            for (i=0;i<uDoCopy;i++)
+                *(pfile_in_zip_read_info->stream.next_out+i) =
                         *(pfile_in_zip_read_info->stream.next_in+i);
                         *(pfile_in_zip_read_info->stream.next_in+i);
-                                       
-                       pfile_in_zip_read_info->crc32 = crc32(pfile_in_zip_read_info->crc32,
-                                                               pfile_in_zip_read_info->stream.next_out,
-                                                               uDoCopy);
-                       pfile_in_zip_read_info->rest_read_uncompressed-=uDoCopy;
-                       pfile_in_zip_read_info->stream.avail_in -= uDoCopy;
-                       pfile_in_zip_read_info->stream.avail_out -= uDoCopy;
-                       pfile_in_zip_read_info->stream.next_out += uDoCopy;
-                       pfile_in_zip_read_info->stream.next_in += uDoCopy;
+
+            pfile_in_zip_read_info->crc32 = crc32(pfile_in_zip_read_info->crc32,
+                                pfile_in_zip_read_info->stream.next_out,
+                                uDoCopy);
+            pfile_in_zip_read_info->rest_read_uncompressed-=uDoCopy;
+            pfile_in_zip_read_info->stream.avail_in -= uDoCopy;
+            pfile_in_zip_read_info->stream.avail_out -= uDoCopy;
+            pfile_in_zip_read_info->stream.next_out += uDoCopy;
+            pfile_in_zip_read_info->stream.next_in += uDoCopy;
             pfile_in_zip_read_info->stream.total_out += uDoCopy;
             pfile_in_zip_read_info->stream.total_out += uDoCopy;
-                       iRead += uDoCopy;
-               }
-               else
-               {
-                       uLong uTotalOutBefore,uTotalOutAfter;
-                       const Bytef *bufBefore;
-                       uLong uOutThis;
-                       int flush=Z_SYNC_FLUSH;
-
-                       uTotalOutBefore = pfile_in_zip_read_info->stream.total_out;
-                       bufBefore = pfile_in_zip_read_info->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(&pfile_in_zip_read_info->stream,flush);
-
-                       uTotalOutAfter = pfile_in_zip_read_info->stream.total_out;
-                       uOutThis = uTotalOutAfter-uTotalOutBefore;
-                       
-                       pfile_in_zip_read_info->crc32 = 
+            iRead += uDoCopy;
+        }
+        else
+        {
+            uLong uTotalOutBefore,uTotalOutAfter;
+            const Bytef *bufBefore;
+            uLong uOutThis;
+            int flush=Z_SYNC_FLUSH;
+
+            uTotalOutBefore = pfile_in_zip_read_info->stream.total_out;
+            bufBefore = pfile_in_zip_read_info->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(&pfile_in_zip_read_info->stream,flush);
+
+            uTotalOutAfter = pfile_in_zip_read_info->stream.total_out;
+            uOutThis = uTotalOutAfter-uTotalOutBefore;
+
+            pfile_in_zip_read_info->crc32 =
                 crc32(pfile_in_zip_read_info->crc32,bufBefore,
                         (uInt)(uOutThis));
 
                 crc32(pfile_in_zip_read_info->crc32,bufBefore,
                         (uInt)(uOutThis));
 
-                       pfile_in_zip_read_info->rest_read_uncompressed -=
+            pfile_in_zip_read_info->rest_read_uncompressed -=
                 uOutThis;
 
                 uOutThis;
 
-                       iRead += (uInt)(uTotalOutAfter - uTotalOutBefore);
-            
-                       if (err==Z_STREAM_END)
-                               return (iRead==0) ? UNZ_EOF : iRead;
-                       if (err!=Z_OK) 
-                               break;
-               }
-       }
-
-       if (err==Z_OK)
-               return iRead;
-       return err;
+            iRead += (uInt)(uTotalOutAfter - uTotalOutBefore);
+
+            if (err==Z_STREAM_END)
+                return (iRead==0) ? UNZ_EOF : iRead;
+            if (err!=Z_OK)
+                break;
+        }
+    }
+
+    if (err==Z_OK)
+        return iRead;
+    return err;
 }
 
 
 }
 
 
@@ -1124,42 +1193,42 @@ extern int ZEXPORT unzReadCurrentFile  (file, buf, len)
   Give the current position in uncompressed data
 */
 extern z_off_t ZEXPORT unztell (file)
   Give the current position in uncompressed data
 */
 extern z_off_t ZEXPORT unztell (file)
-       unzFile file;
+    unzFile file;
 {
 {
-       unz_s* s;
-       file_in_zip_read_info_s* pfile_in_zip_read_info;
-       if (file==NULL)
-               return UNZ_PARAMERROR;
-       s=(unz_s*)file;
+    unz_s* s;
+    file_in_zip_read_info_s* pfile_in_zip_read_info;
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
     pfile_in_zip_read_info=s->pfile_in_zip_read;
 
     pfile_in_zip_read_info=s->pfile_in_zip_read;
 
-       if (pfile_in_zip_read_info==NULL)
-               return UNZ_PARAMERROR;
+    if (pfile_in_zip_read_info==NULL)
+        return UNZ_PARAMERROR;
 
 
-       return (z_off_t)pfile_in_zip_read_info->stream.total_out;
+    return (z_off_t)pfile_in_zip_read_info->stream.total_out;
 }
 
 
 /*
 }
 
 
 /*
-  return 1 if the end of file was reached, 0 elsewhere 
+  return 1 if the end of file was reached, 0 elsewhere
 */
 extern int ZEXPORT unzeof (file)
 */
 extern int ZEXPORT unzeof (file)
-       unzFile file;
+    unzFile file;
 {
 {
-       unz_s* s;
-       file_in_zip_read_info_s* pfile_in_zip_read_info;
-       if (file==NULL)
-               return UNZ_PARAMERROR;
-       s=(unz_s*)file;
+    unz_s* s;
+    file_in_zip_read_info_s* pfile_in_zip_read_info;
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
     pfile_in_zip_read_info=s->pfile_in_zip_read;
 
     pfile_in_zip_read_info=s->pfile_in_zip_read;
 
-       if (pfile_in_zip_read_info==NULL)
-               return UNZ_PARAMERROR;
-       
-       if (pfile_in_zip_read_info->rest_read_uncompressed == 0)
-               return 1;
-       else
-               return 0;
+    if (pfile_in_zip_read_info==NULL)
+        return UNZ_PARAMERROR;
+
+    if (pfile_in_zip_read_info->rest_read_uncompressed == 0)
+        return 1;
+    else
+        return 0;
 }
 
 
 }
 
 
@@ -1172,51 +1241,51 @@ extern int ZEXPORT unzeof (file)
   if buf==NULL, it return the size of the local extra field that can be read
 
   if buf!=NULL, len is the size of the buffer, the extra header is copied in
   if buf==NULL, it return the size of the local extra field that can be read
 
   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
+    buf.
+  the return value is the number of bytes copied in buf, or (if <0)
+    the error code
 */
 extern int ZEXPORT unzGetLocalExtrafield (file,buf,len)
 */
 extern int ZEXPORT unzGetLocalExtrafield (file,buf,len)
-       unzFile file;
-       voidp buf;
-       unsigned len;
+    unzFile file;
+    voidp buf;
+    unsigned len;
 {
 {
-       unz_s* s;
-       file_in_zip_read_info_s* pfile_in_zip_read_info;
-       uInt read_now;
-       uLong size_to_read;
-
-       if (file==NULL)
-               return UNZ_PARAMERROR;
-       s=(unz_s*)file;
+    unz_s* s;
+    file_in_zip_read_info_s* pfile_in_zip_read_info;
+    uInt read_now;
+    uLong size_to_read;
+
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
     pfile_in_zip_read_info=s->pfile_in_zip_read;
 
     pfile_in_zip_read_info=s->pfile_in_zip_read;
 
-       if (pfile_in_zip_read_info==NULL)
-               return UNZ_PARAMERROR;
+    if (pfile_in_zip_read_info==NULL)
+        return UNZ_PARAMERROR;
+
+    size_to_read = (pfile_in_zip_read_info->size_local_extrafield -
+                pfile_in_zip_read_info->pos_local_extrafield);
+
+    if (buf==NULL)
+        return (int)size_to_read;
 
 
-       size_to_read = (pfile_in_zip_read_info->size_local_extrafield - 
-                               pfile_in_zip_read_info->pos_local_extrafield);
+    if (len>size_to_read)
+        read_now = (uInt)size_to_read;
+    else
+        read_now = (uInt)len ;
 
 
-       if (buf==NULL)
-               return (int)size_to_read;
-       
-       if (len>size_to_read)
-               read_now = (uInt)size_to_read;
-       else
-               read_now = (uInt)len ;
+    if (read_now==0)
+        return 0;
 
 
-       if (read_now==0)
-               return 0;
-       
-       if (fseek(pfile_in_zip_read_info->file,
-              pfile_in_zip_read_info->offset_local_extrafield + 
-                         pfile_in_zip_read_info->pos_local_extrafield,SEEK_SET)!=0)
-               return UNZ_ERRNO;
+    if (fseek(pfile_in_zip_read_info->file,
+              pfile_in_zip_read_info->offset_local_extrafield +
+              pfile_in_zip_read_info->pos_local_extrafield,SEEK_SET)!=0)
+        return UNZ_ERRNO;
 
 
-       if (fread(buf,(uInt)size_to_read,1,pfile_in_zip_read_info->file)!=1)
-               return UNZ_ERRNO;
+    if (fread(buf,(uInt)size_to_read,1,pfile_in_zip_read_info->file)!=1)
+        return UNZ_ERRNO;
 
 
-       return (int)read_now;
+    return (int)read_now;
 }
 
 /*
 }
 
 /*
@@ -1224,39 +1293,39 @@ extern int ZEXPORT unzGetLocalExtrafield (file,buf,len)
   Return UNZ_CRCERROR if all the file was read but the CRC is not good
 */
 extern int ZEXPORT unzCloseCurrentFile (file)
   Return UNZ_CRCERROR if all the file was read but the CRC is not good
 */
 extern int ZEXPORT unzCloseCurrentFile (file)
-       unzFile file;
+    unzFile file;
 {
 {
-       int err=UNZ_OK;
+    int err=UNZ_OK;
 
 
-       unz_s* s;
-       file_in_zip_read_info_s* pfile_in_zip_read_info;
-       if (file==NULL)
-               return UNZ_PARAMERROR;
-       s=(unz_s*)file;
+    unz_s* s;
+    file_in_zip_read_info_s* pfile_in_zip_read_info;
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
     pfile_in_zip_read_info=s->pfile_in_zip_read;
 
     pfile_in_zip_read_info=s->pfile_in_zip_read;
 
-       if (pfile_in_zip_read_info==NULL)
-               return UNZ_PARAMERROR;
+    if (pfile_in_zip_read_info==NULL)
+        return UNZ_PARAMERROR;
 
 
 
 
-       if (pfile_in_zip_read_info->rest_read_uncompressed == 0)
-       {
-               if (pfile_in_zip_read_info->crc32 != pfile_in_zip_read_info->crc32_wait)
-                       err=UNZ_CRCERROR;
-       }
+    if (pfile_in_zip_read_info->rest_read_uncompressed == 0)
+    {
+        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)
-               inflateEnd(&pfile_in_zip_read_info->stream);
+    TRYFREE(pfile_in_zip_read_info->read_buffer);
+    pfile_in_zip_read_info->read_buffer = NULL;
+    if (pfile_in_zip_read_info->stream_initialised)
+        inflateEnd(&pfile_in_zip_read_info->stream);
 
 
-       pfile_in_zip_read_info->stream_initialised = 0;
-       TRYFREE(pfile_in_zip_read_info);
+    pfile_in_zip_read_info->stream_initialised = 0;
+    TRYFREE(pfile_in_zip_read_info);
 
     s->pfile_in_zip_read=NULL;
 
 
     s->pfile_in_zip_read=NULL;
 
-       return err;
+    return err;
 }
 
 
 }
 
 
@@ -1266,34 +1335,38 @@ extern int ZEXPORT unzCloseCurrentFile (file)
   return the number of byte copied or an error code <0
 */
 extern int ZEXPORT unzGetGlobalComment (file, szComment, uSizeBuf)
   return the number of byte copied or an error code <0
 */
 extern int ZEXPORT unzGetGlobalComment (file, szComment, uSizeBuf)
-       unzFile file;
-       char *szComment;
-       uLong uSizeBuf;
+    unzFile file;
+    char *szComment;
+    uLong uSizeBuf;
 {
 {
-       int err=UNZ_OK;
-       unz_s* s;
-       uLong uReadThis ;
-       if (file==NULL)
-               return UNZ_PARAMERROR;
-       s=(unz_s*)file;
+    unz_s* s;
+    uLong uReadThis ;
+    if (file==NULL)
+        return UNZ_PARAMERROR;
+    s=(unz_s*)file;
 
 
-       uReadThis = uSizeBuf;
-       if (uReadThis>s->gi.size_comment)
-               uReadThis = s->gi.size_comment;
+    uReadThis = uSizeBuf;
+    if (uReadThis>s->gi.size_comment)
+        uReadThis = s->gi.size_comment;
 
 
-       if (fseek(s->file,s->central_pos+22,SEEK_SET)!=0)
-               return UNZ_ERRNO;
+    if (fseek(s->file,s->central_pos+22,SEEK_SET)!=0)
+        return UNZ_ERRNO;
 
 
-       if (uReadThis>0)
+    if (uReadThis>0)
     {
       *szComment='\0';
     {
       *szComment='\0';
-         if (fread(szComment,(uInt)uReadThis,1,s->file)!=1)
-               return UNZ_ERRNO;
+      if (fread(szComment,(uInt)uReadThis,1,s->file)!=1)
+        return UNZ_ERRNO;
     }
 
     }
 
-       if ((szComment != NULL) && (uSizeBuf > s->gi.size_comment))
-               *(szComment+s->gi.size_comment)='\0';
-       return (int)uReadThis;
+    if ((szComment != NULL) && (uSizeBuf > s->gi.size_comment))
+        *(szComment+s->gi.size_comment)='\0';
+    return (int)uReadThis;
 }
 
 }
 
-#endif
+#else
+
+/* the file shouldn't be empty, som compilers don't like it */
+static const int dummyVariableInUnzip = 17;
+
+#endif /* wxUSE_ZLIB && wxUSE_ZIPSTREAM */