removed obsolete docs

[wxWidgets.git] / src / common / unzip.c

diff --git a/src/common/unzip.c b/src/common/unzip.c
index dd8494835de4dc19bde60c35b684d31ffb48773c..a94a700ca6cc0964f413d9d8fb14c055b89754ea 100644 (file)
--- a/src/common/unzip.c
+++ b/src/common/unzip.c
@@ -12,16 +12,26 @@ $Id$
 
 */
 
-
-
-#include "wx/defs.h"
+#include "wx/platform.h"
 
 #if wxUSE_ZLIB && wxUSE_ZIPSTREAM
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.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__
@@ -310,13 +320,13 @@ local uLong unzlocal_SearchCentralDir(fin)
        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;
 
@@ -334,7 +344,7 @@ local uLong unzlocal_SearchCentralDir(fin)
                else
                        uBackRead+=BUFREADCOMMENT;
                uReadPos = uSizeFile-uBackRead ;
-               
+
                uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ?
                      (BUFREADCOMMENT+4) : (uSizeFile-uReadPos);
                if (fseek(fin,uReadPos,SEEK_SET)!=0)
@@ -499,12 +509,12 @@ extern unzFile ZEXPORT unzOpen (path)
                                    (us.offset_central_dir+us.size_central_dir);
        us.central_pos = central_pos;
     us.pfile_in_zip_read = NULL;
-       
+
 
        s=(unz_s*)ALLOC(sizeof(unz_s));
        *s=us;
-       unzGoToFirstFile((unzFile)s);   
-       return (unzFile)s;      
+       unzGoToFirstFile((unzFile)s);
+       return (unzFile)s;
 }
 
 
@@ -683,7 +693,7 @@ local int unzlocal_GetCurrentFileInfoInternal (file,
                lSeek -= uSizeRead;
        }
 
-       
+
        if ((err==UNZ_OK) && (extraField!=NULL))
        {
                uLong uSizeRead ;
@@ -708,7 +718,7 @@ local int unzlocal_GetCurrentFileInfoInternal (file,
        else
                lSeek+=file_info.size_file_extra;
 
-       
+
        if ((err==UNZ_OK) && (szComment!=NULL))
        {
                uLong uSizeRead ;
@@ -802,7 +812,7 @@ extern int ZEXPORT unzGoToFirstFile (file)
 extern int ZEXPORT unzGoToNextFile (file)
        unzFile file;
 {
-       unz_s* s;       
+       unz_s* s;
        int err;
 
        if (file==NULL)
@@ -837,20 +847,20 @@ extern int ZEXPORT unzLocateFile (file, szFileName, iCaseSensitivity)
        const char *szFileName;
        int iCaseSensitivity;
 {
-       unz_s* s;       
+       unz_s* s;
        int err;
     const char *c;
     char *c2;
     char szFileName2[UNZ_MAXFILENAMEINZIP+1];
-    
+
        uLong num_fileSaved;
        uLong pos_in_central_dirSaved;
 
-    for (c = szFileName, c2 = szFileName2; *c != '\0'; c++, c2++) 
+    for (c = szFileName, c2 = szFileName2; *c != '\0'; c++, c2++)
         if (*c == '\\') *c2 = '/';
         else *c2 = *c;
     *c2 = '\0';
-       
+
        if (file==NULL)
                return UNZ_PARAMERROR;
 
@@ -979,7 +989,7 @@ local int unzlocal_CheckCurrentFileCoherencyHeader (s,piSizeVar,
 
        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.
@@ -1025,7 +1035,7 @@ extern int ZEXPORT unzOpenCurrentFile (file)
        }
 
        pfile_in_zip_read_info->stream_initialised=0;
-       
+
        if ((s->cur_file_info.compression_method!=0) &&
         (s->cur_file_info.compression_method!=Z_DEFLATED))
                err=UNZ_BADZIPFILE;
@@ -1062,11 +1072,11 @@ extern int ZEXPORT unzOpenCurrentFile (file)
        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 +
                          iSizeVar;
-       
+
        pfile_in_zip_read_info->stream.avail_in = (uInt)0;
 
 
@@ -1111,7 +1121,7 @@ extern int ZEXPORT unzReadCurrentFile  (file, buf, len)
        pfile_in_zip_read_info->stream.next_out = (Bytef*)buf;
 
        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;
@@ -1136,7 +1146,7 @@ extern int ZEXPORT unzReadCurrentFile  (file, buf, len)
                        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 =
                 (Bytef*)pfile_in_zip_read_info->read_buffer;
                        pfile_in_zip_read_info->stream.avail_in = (uInt)uReadThis;
@@ -1150,11 +1160,11 @@ extern int ZEXPORT unzReadCurrentFile  (file, buf, len)
                                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->crc32 = crc32(pfile_in_zip_read_info->crc32,
                                                                pfile_in_zip_read_info->stream.next_out,
                                                                uDoCopy);
@@ -1186,7 +1196,7 @@ extern int ZEXPORT unzReadCurrentFile  (file, buf, len)
 
                        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));
@@ -1244,7 +1254,7 @@ extern int ZEXPORT unzeof (file)
 
        if (pfile_in_zip_read_info==NULL)
                return UNZ_PARAMERROR;
-       
+
        if (pfile_in_zip_read_info->rest_read_uncompressed == 0)
                return 1;
        else
@@ -1288,7 +1298,7 @@ extern int ZEXPORT unzGetLocalExtrafield (file,buf,len)
 
        if (buf==NULL)
                return (int)size_to_read;
-       
+
        if (len>size_to_read)
                read_now = (uInt)size_to_read;
        else
@@ -1296,7 +1306,7 @@ extern int ZEXPORT unzGetLocalExtrafield (file,buf,len)
 
        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)