fixed memory allocation code of wxStreamBuffer to not realloc() new[]ed memory any...

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

diff --git a/src/common/unzip.c b/src/common/unzip.c
index eb27f0df89a32c5ce7185faed39cae78bb4f0e5e..be48958cfb2c8938766f20cefc34017b70405f75 100644 (file)
--- a/src/common/unzip.c
+++ b/src/common/unzip.c
@@ -144,11 +144,16 @@ typedef struct
                                            file if we are decompressing it */
 } unz_s;
 
-#if defined (__VISAGECPP__)
+#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
    for end of file.
@@ -606,10 +611,12 @@ local int unzlocal_GetCurrentFileInfoInternal (file,
 
        /* 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;
@@ -686,10 +693,13 @@ local int unzlocal_GetCurrentFileInfoInternal (file,
                        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;
@@ -711,10 +721,13 @@ local int unzlocal_GetCurrentFileInfoInternal (file,
                        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;
@@ -826,12 +839,18 @@ extern int ZEXPORT unzLocateFile (file, szFileName, iCaseSensitivity)
 {
        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++) 
+        if (*c == '\\') *c2 = '/';
+        else *c2 = *c;
+    *c2 = '\0';
+       
        if (file==NULL)
                return UNZ_PARAMERROR;
 
@@ -853,8 +872,9 @@ extern int ZEXPORT unzLocateFile (file, szFileName, iCaseSensitivity)
                unzGetCurrentFileInfo(file,NULL,
                                                                szCurrentFileName,sizeof(szCurrentFileName)-1,
                                                                NULL,0,NULL,0);
+        for (c2 = szCurrentFileName; *c2 != '\0'; c2++) if (*c2 == '\\') *c2 = '/';
                if (unzStringFileNameCompare(szCurrentFileName,
-                                                                               szFileName,iCaseSensitivity)==0)
+                                                                               szFileName2,iCaseSensitivity)==0)
                        return UNZ_OK;
                err = unzGoToNextFile(file);
        }
@@ -895,10 +915,12 @@ local int unzlocal_CheckCurrentFileCoherencyHeader (s,piSizeVar,
 
 
        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;
@@ -1337,7 +1359,6 @@ extern int ZEXPORT unzGetGlobalComment (file, szComment, uSizeBuf)
        char *szComment;
        uLong uSizeBuf;
 {
-       int err=UNZ_OK;
        unz_s* s;
        uLong uReadThis ;
        if (file==NULL)