From: buliabyak <buliabyak@users.sourceforge.net>
Date: Sat, 24 Feb 2007 17:32:52 +0000 (+0000)
Subject: fix crash when tracing with too small clones
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=bdb7b832ae4a1a4a3141ff244ba01ef69c84636d;p=inkscape.git

fix crash when tracing with too small clones
---

diff --git a/src/dialogs/clonetiler.cpp b/src/dialogs/clonetiler.cpp
index 968794754..e063c8054 100644
--- a/src/dialogs/clonetiler.cpp
+++ b/src/dialogs/clonetiler.cpp
@@ -788,6 +788,10 @@ clonetiler_trace_pick (NR::Rect box)
     guchar *px = g_new(guchar, 4 * width * height);
     memset(px, 0x00, 4 * width * height);
 
+    if (px == NULL) {
+        return 0; // buffer is too big or too small, cannot pick, so return 0
+    }
+
     /* Render */
     NRPixBlock pb;
     nr_pixblock_setup_extern( &pb, NR_PIXBLOCK_MODE_R8G8B8A8N,