Index: modules/libpr0n/decoders/gif/GIF2.cpp
===================================================================
RCS file: /cvsroot/mozilla/modules/libpr0n/decoders/gif/GIF2.cpp,v
retrieving revision 1.48
diff -u -p -6 -r1.48 GIF2.cpp
--- mozilla/modules/libpr0n/decoders/gif/GIF2.cpp	25 Feb 2004 23:25:57 -0000	1.48
+++ mozilla/modules/libpr0n/decoders/gif/GIF2.cpp	11 Mar 2005 02:29:55 -0000
@@ -477,14 +477,13 @@ PRBool GIFInit(gif_struct* gs, void* aCl
 //******************************************************************************
 PRBool gif_write_ready(const gif_struct* gs)
 {
   if (!gs)
     return PR_FALSE;
 
-  PRInt32 max = PR_MAX(MAX_READ_AHEAD, gs->requested_buffer_fullness);
-  return (gs->gathered < max);
+  return (gs->gathered < MAX_READ_AHEAD);
 }
 
 /******************************************************************************/
 /*
  * process data arriving from the stream for the gif decoder
  */
@@ -783,26 +782,23 @@ PRStatus gif_write(gif_struct *gs, const
           gs->loop_count = -1;
 
         GETN(1, gif_netscape_extension_block);
       }
       /* Wait for specified # of bytes to enter buffer */
       else if (netscape_extension == 2) {
-        gs->requested_buffer_fullness = GETINT32(q + 1);
-        GETN(gs->requested_buffer_fullness, gif_wait_for_buffer_full);
+        // Don't do this, this extension doesn't exist (isn't used at all) 
+        // and doesn't do anything, as our streaming/buffering takes care of it all...
+        // See: http://semmix.pl/color/exgraf/eeg24.htm
+        GETN(1, gif_netscape_extension_block);
       } else
         gs->state = gif_error; // 0,3-7 are yet to be defined netscape
                                // extension codes
 
       break;
     }
 
-    case gif_wait_for_buffer_full:
-      gs->gathered = gs->requested_buffer_fullness;
-      GETN(1, gif_netscape_extension_block);
-      break;
-
     case gif_image_header:
     {
       PRUintn height, width;
 
       /* Get image offsets, with respect to the screen origin */
       gs->x_offset = GETINT16(q);
@@ -898,13 +894,12 @@ PRStatus gif_write(gif_struct *gs, const
            unprepared to deal with that, so don't display such
            images progressively */
         gs->progressive_display = PR_FALSE;
       }
 
       /* Clear state from last image */
-      gs->requested_buffer_fullness = 0;
       gs->irow = 0;
       gs->rows_remaining = gs->height;
       gs->rowend = gs->rowbuf + gs->width;
       gs->rowp = gs->rowbuf;
 
       /* bits per pixel is 1<<((q[8]&0x07) + 1); */
Index: modules/libpr0n/decoders/gif/GIF2.h
===================================================================
RCS file: /cvsroot/mozilla/modules/libpr0n/decoders/gif/GIF2.h,v
retrieving revision 1.18
diff -u -p -6 -r1.18 GIF2.h
--- mozilla/modules/libpr0n/decoders/gif/GIF2.h	15 Sep 2003 21:52:44 -0000	1.18
+++ mozilla/modules/libpr0n/decoders/gif/GIF2.h	11 Mar 2005 02:29:55 -0000
@@ -65,13 +65,12 @@ typedef enum {
     gif_comment_extension,
     gif_application_extension,
     gif_netscape_extension_block,
     gif_consume_netscape_extension,
     gif_consume_comment,
     gif_delay,
-    gif_wait_for_buffer_full,
     gif_stop_animating   //added for animation stop 
 } gstate;
 
 /* "Disposal" method indicates how the image should be handled in the
    framebuffer before the subsequent image is displayed. */
 typedef enum 
@@ -89,13 +88,12 @@ typedef struct gif_struct {
     gstate state;               /* Curent decoder master state */
     PRUint8 *hold;                /* Accumulation buffer */
     PRUint8 *gather_head;         /* Next byte to read in accumulation buffer */
     int32 gather_request_size;  /* Number of bytes to accumulate */
     int32 gathered;             /* bytes accumulated so far*/
     gstate post_gather_state;   /* State after requested bytes accumulated */
-    int32 requested_buffer_fullness; /* For netscape application extension */
 
     /* LZW decoder state machine */
     PRUint8 *stack;               /* Base of decoder stack */
     PRUint8 *stackp;              /* Current stack pointer */
     PRUint16 *prefix;
     PRUint8 *suffix;