From afda1179721b96e7786260e613a66ffea783ab9b Mon Sep 17 00:00:00 2001
From: Carl Worth <cworth@cworth.org>
Date: Mon, 6 Aug 2007 11:06:47 -0700
Subject: [PATCH] Ensure that a copied pattern gets its own user_data array

This fixes the bug reported here:

	Segfault with cairo_pattern_set_user_data
	https://bugs.freedesktop.org/show_bug.cgi?id=11855
(cherry picked from commit 13cae8b5e6d3fc93c4eb1853b91ba356b572b551)
---
 src/cairo-pattern.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/cairo-pattern.c b/src/cairo-pattern.c
index 6ead4b2f3..81dfaf500 100644
--- a/src/cairo-pattern.c
+++ b/src/cairo-pattern.c
@@ -185,7 +185,9 @@ _cairo_pattern_init_copy (cairo_pattern_t	*pattern,
     } break;
     }
 
+    /* The reference count and user_data array are unique to the copy. */
     pattern->ref_count = 1;
+    _cairo_user_data_array_init (&pattern->user_data);
 
     return CAIRO_STATUS_SUCCESS;
 }