$NetBSD: patch-ak,v 1.2 2013/08/17 11:15:58 joerg Exp $

--- gdk_imlib/io-gif.c.orig	2002-03-04 17:06:29.000000000 +0000
+++ gdk_imlib/io-gif.c
@@ -10,6 +10,16 @@ unsigned char loader_gif (FILE *f, int *
 #else
 #include <gif_lib.h>
 
+static void
+PrintGifError(int ErrorCode) {
+    char *Err = GifErrorString(ErrorCode);
+
+    if (Err != NULL)
+        fprintf(stderr, "GIF-LIB error: %s.\n", Err);
+    else
+        fprintf(stderr, "GIF-LIB undefined error %d.\n", ErrorCode);
+}
+
 unsigned char      *
 loader_gif(FILE *f, int *w, int *h, int *t)
 {
@@ -22,7 +32,7 @@ loader_gif(FILE *f, int *w, int *h, int 
   int                 intoffset[] = {0, 4, 2, 1};
   int                 intjump[] = {8, 8, 4, 2};
   int                 istransp, transp;
-  int                 fd;
+  int                 fd, giferror = 0;
 
   done = 0;
   istransp = 0;
@@ -30,7 +40,7 @@ loader_gif(FILE *f, int *w, int *h, int 
   fd = fileno(f);
   /* Apparently rewind(f) isn't sufficient */
   lseek(fd, (long) 0, 0);
-  gif = DGifOpenFileHandle(fd);
+  gif = DGifOpenFileHandle(fd, &giferror);
 
   transp = -1;
   data = NULL;
@@ -43,14 +53,14 @@ loader_gif(FILE *f, int *w, int *h, int 
     {
       if (DGifGetRecordType(gif, &rec) == GIF_ERROR)
 	{
-	  PrintGifError();
+	  PrintGifError(giferror);
 	  rec = TERMINATE_RECORD_TYPE;
 	}
       if ((rec == IMAGE_DESC_RECORD_TYPE) && (!done))
 	{
 	  if (DGifGetImageDesc(gif) == GIF_ERROR)
 	    {
-	      PrintGifError();
+	      PrintGifError(giferror);
 	      rec = TERMINATE_RECORD_TYPE;
 	    }
 	  *w = gif->Image.Width;