- fix build with giflib

svn path=/head/; revision=298600

multimedia/mplayer/files/patch-libmpdemux-demux_gif.c

@@ -0,0 +1,99 @@
+--- libmpdemux/demux_gif.c.orig	2010-12-12 11:37:15.000000000 +0100
++++ libmpdemux/demux_gif.c	2012-06-06 16:58:52.000000000 +0200
+@@ -45,6 +45,16 @@
+ 
+ #define GIF_SIGNATURE (('G' << 16) | ('I' << 8) | 'F')
+ 
++static void localPrintGifError(void)
++{
++  char *Err = GifErrorString();
++
++  if (Err != NULL)
++    fprintf(stderr, "\nGIF-LIB error: %s.\n", Err);
++  else
++    fprintf(stderr, "\nGIF-LIB undefined error %d.\n", GifError());
++}
++
+ #ifndef CONFIG_GIF_TVT_HACK
+ // not supported by certain versions of the library
+ static int my_read_gif(GifFileType *gif, uint8_t *buf, int len)
+@@ -94,14 +104,14 @@
+ 
+   while (type != IMAGE_DESC_RECORD_TYPE) {
+     if (DGifGetRecordType(gif, &type) == GIF_ERROR) {
+-      PrintGifError();
++      localPrintGifError();
+       return 0; // oops
+     }
+     if (type == TERMINATE_RECORD_TYPE)
+       return 0; // eof
+     if (type == SCREEN_DESC_RECORD_TYPE) {
+       if (DGifGetScreenDesc(gif) == GIF_ERROR) {
+-        PrintGifError();
++        localPrintGifError();
+         return 0; // oops
+       }
+     }
+@@ -109,7 +119,7 @@
+       int code;
+       unsigned char *p = NULL;
+       if (DGifGetExtension(gif, &code, &p) == GIF_ERROR) {
+-        PrintGifError();
++        localPrintGifError();
+         return 0; // oops
+       }
+       if (code == 0xF9) {
+@@ -138,7 +148,7 @@
+ 	  comments[length] = 0;
+ 	  printf("%s", comments);
+           if (DGifGetExtensionNext(gif, &p) == GIF_ERROR) {
+-            PrintGifError();
++            localPrintGifError();
+             return 0; // oops
+           }
+ 	}
+@@ -146,7 +156,7 @@
+       }
+       while (p != NULL) {
+         if (DGifGetExtensionNext(gif, &p) == GIF_ERROR) {
+-          PrintGifError();
++          localPrintGifError();
+           return 0; // oops
+         }
+       }
+@@ -154,7 +164,7 @@
+   }
+ 
+   if (DGifGetImageDesc(gif) == GIF_ERROR) {
+-    PrintGifError();
++    localPrintGifError();
+     return 0; // oops
+   }
+ 
+@@ -167,7 +177,7 @@
+     memset(dp->buffer, gif->SBackGroundColor, priv->w * priv->h);
+ 
+   if (DGifGetLine(gif, buf, len) == GIF_ERROR) {
+-    PrintGifError();
++    localPrintGifError();
+     free(buf);
+     return 0; // oops
+   }
+@@ -260,7 +270,7 @@
+   gif = DGifOpen(demuxer->stream, my_read_gif);
+ #endif
+   if (!gif) {
+-    PrintGifError();
++    localPrintGifError();
+     free(priv);
+     return NULL;
+   }
+@@ -302,7 +312,7 @@
+   gif_priv_t *priv = demuxer->priv;
+   if (!priv) return;
+   if (priv->gif && DGifCloseFile(priv->gif) == GIF_ERROR)
+-    PrintGifError();
++    localPrintGifError();
+   free(priv->refimg);
+   free(priv);
+ }