Attachment 310343 Details for Bug 452998 – gimp-2.2.13-postscript-segv.patch

gimp-2.2.13-postscript-segv.patch

gimp-2.2.13-postscript-segv.patch (text/x-patch), 1.33 KB, created by Alan Matsuoka on 2008-06-26 14:46:30 UTC

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Creator: Alan Matsuoka

Created: 2008-06-26 14:46:30 UTC

Size: 1.33 KB

patch

obsolete

>--- gimp-2.2.13/plug-ins/common/postscript.c.segv	2008-06-25 13:07:58.000000000 -0400
>+++ gimp-2.2.13/plug-ins/common/postscript.c	2008-06-25 13:38:34.000000000 -0400
>@@ -2199,17 +2199,14 @@
>   int x, greyval, fse_inline;
>   static int *fs_error = NULL;
>   static int do_init_arrays = 1;
>-  static int limit_array[1278];
>+  static int limit[1278];
>   static int east_error[256],seast_error[256],south_error[256],swest_error[256];
>-  int *limit = &(limit_array[512]);
> 
>   if (linecount <= 0)
>     {
>-      if (fs_error) g_free (fs_error-1);
>+      g_free (fs_error);
>       if (linecount < 0) return;
>-      fs_error = g_new (int, npix+2);
>-      memset ((char *)fs_error, 0, (npix+2)*sizeof (int));
>-      fs_error++;
>+      fs_error = g_new0 (int, npix+2);
> 
>       /* Initialize some arrays that speed up dithering */
>       if (do_init_arrays)
>@@ -2237,10 +2234,10 @@
>   greyptr = grey;
>   bwptr = bw;
>   mask = 0x80;
>-  fse_inline = fs_error[0];
>-  for (x = 0, fse = fs_error; x < npix; x++, fse++)
>+  fse_inline = fs_error[1];
>+  for (x = 0, fse = fs_error + 1; x < npix; x++, fse++)
>     {
>-      greyval = limit[*(greyptr++) + fse_inline];  /* 0 <= greyval <= 255 */
>+      greyval = limit[*(greyptr++) + fse_inline + 512];  /* 0 <= greyval <= 255 */
>       if (greyval < 128) *bwptr |= mask;  /* Set a black pixel */
> 
>       /* Error distribution */

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Attachments on bug 452998: 310343