Fix for bug #19941

24 years ago · ebfd9aaa47
1 changed files with 1 additions and 1 deletions
--- a/ext/gd/libgd/gd_topal.c
+++ b/ext/gd/libgd/gd_topal.c
@ -1493,7 +1493,7 @@ gdImageTrueColorToPalette (gdImagePtr im, int dither, int colorsWanted)
  my_cquantize_ptr cquantize = 0;
  int i;
  size_t arraysize;
-  if (!im->trueColor)
+  if (!im->trueColor || colorsWanted <= 0)
    {
      /* Nothing to do! */
      return;