X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a2d452d042ef1e2a6a17dcbc271183b947669bb3..1dfd425a8cda56960488f1ba5b39ad6e223a1e05:/src/common/xpmdecod.cpp

diff --git a/src/common/xpmdecod.cpp b/src/common/xpmdecod.cpp
index cc0e2bad48..89cdad65ee 100644
--- a/src/common/xpmdecod.cpp
+++ b/src/common/xpmdecod.cpp
@@ -127,7 +127,7 @@ bool wxXPMDecoder::CanRead(wxInputStream& stream)
     if ( !stream.Read(buf, WXSIZEOF(buf)) )
         return false;
 
-    stream.SeekI(-(off_t)WXSIZEOF(buf), wxFromCurrent);
+    stream.SeekI(-(wxFileOffset)WXSIZEOF(buf), wxFromCurrent);
 
     return memcmp(buf, "/* XPM */", WXSIZEOF(buf)) == 0;
 }
@@ -178,7 +178,10 @@ wxImage wxXPMDecoder::ReadFile(wxInputStream& stream)
             if ( (*q == '*') && (*(q + 1) == '/') )
                 break;
         }
-        strcpy(p, q + 2);
+
+        // memmove allows overlaps (unlike strcpy):
+        size_t cpylen = strlen(q + 2) + 1;
+        memmove(p, q + 2, cpylen);
     }
 
     /*
@@ -236,11 +239,7 @@ wxImage wxXPMDecoder::ReadFile(wxInputStream& stream)
      */
     wxImage img = ReadData(xpm_lines);
 
-#ifdef __WIN16__
-    delete[] (char**) xpm_lines;
-#else
     delete[] xpm_lines;
-#endif
 
     return img;
 }
@@ -516,18 +515,18 @@ static unsigned char ParseHexadecimal(char digit1, char digit2)
     unsigned char i1, i2;
 
     if (digit1 >= 'a')
-        i1 = digit1 - 'a' + 0x0A;
+        i1 = (unsigned char)(digit1 - 'a' + 0x0A);
     else if (digit1 >= 'A')
-        i1 = digit1 - 'A' + 0x0A;
+        i1 = (unsigned char)(digit1 - 'A' + 0x0A);
     else
-        i1 = digit1 - '0';
+        i1 = (unsigned char)(digit1 - '0');
     if (digit2 >= 'a')
-        i2 = digit2 - 'a' + 0x0A;
+        i2 = (unsigned char)(digit2 - 'a' + 0x0A);
     else if (digit2 >= 'A')
-        i2 = digit2 - 'A' + 0x0A;
+        i2 = (unsigned char)(digit2 - 'A' + 0x0A);
     else
-        i2 = digit2 - '0';
-    return (0x10 * i1 + i2);
+        i2 = (unsigned char)(digit2 - '0');
+    return (unsigned char)(0x10 * i1 + i2);
 }
 
 static bool GetRGBFromName(const char *inname, bool *isNone,
@@ -551,7 +550,7 @@ static bool GetRGBFromName(const char *inname, bool *isNone,
         return true;
     }
 
-    name = strdup(inname);
+    name = wxStrdupA(inname);
 
     // theRGBRecords[] has no names with spaces, and no grey, but a
     // lot of gray...
@@ -569,7 +568,7 @@ static bool GetRGBFromName(const char *inname, bool *isNone,
     p = name;
     while (*p)
     {
-        *p = tolower(*p);
+        *p = (char)tolower(*p);
         p++;
     }
 
@@ -677,7 +676,7 @@ wxImage wxXPMDecoder::ReadData(const char **xpm_data)
     /*
      *  Read hints and initialize structures:
      */
-     
+
     count = sscanf(xpm_data[0], "%u %u %u %u",
                    &width, &height, &colors_cnt, &chars_per_pixel);
     if ( count != 4 || width * height * colors_cnt == 0 )
@@ -763,7 +762,7 @@ wxImage wxXPMDecoder::ReadData(const char **xpm_data)
     unsigned char *img_data = img.GetData();
     wxXPMColourMap::iterator entry;
     wxXPMColourMap::iterator end = clr_tbl.end();
-    
+
     for (j = 0; j < height; j++)
     {
         for (i = 0; i < width; i++, img_data += 3)