From de1f92ae14bfc4d74d8df88ae81d7b90dd6739f0 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Thu, 4 Oct 2007 14:51:16 +0100
Subject: [PATCH] [cairo-output-stream] Propagate error status when copying
 streams.

During _cairo_memory_stream_copy(), if set, copy the incoming error over
to the destination stream and return early.
---
 src/cairo-output-stream.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/cairo-output-stream.c b/src/cairo-output-stream.c
index 791c0f22b..323bd0645 100644
--- a/src/cairo-output-stream.c
+++ b/src/cairo-output-stream.c
@@ -46,7 +46,7 @@
 #endif /* _MSC_VER */
 
 
-cairo_private void
+void
 _cairo_output_stream_init (cairo_output_stream_t            *stream,
 			   cairo_output_stream_write_func_t  write_func,
 			   cairo_output_stream_close_func_t  close_func)
@@ -58,7 +58,7 @@ _cairo_output_stream_init (cairo_output_stream_t            *stream,
     stream->closed = FALSE;
 }
 
-cairo_private cairo_status_t
+cairo_status_t
 _cairo_output_stream_fini (cairo_output_stream_t *stream)
 {
     return _cairo_output_stream_close (stream);
@@ -560,6 +560,14 @@ _cairo_memory_stream_copy (cairo_output_stream_t *base,
 {
     memory_stream_t *stream = (memory_stream_t *) base;
 
+    if (dest->status)
+	return;
+
+    if (base->status) {
+	dest->status = base->status;
+	return;
+    }
+
     _cairo_output_stream_write (dest, 
 				_cairo_array_index (&stream->array, 0),
 				_cairo_array_num_elements (&stream->array));