From 9f24cd5f460a54b42dbed3bae1c52825875ffaa1 Mon Sep 17 00:00:00 2001
From: Johan Engelen <goejendaagh@zonnet.nl>
Date: Fri, 25 Jun 2010 23:56:06 +0200
Subject: [PATCH] throw exception when sbasis is empty

---
 src/2geom/sbasis-to-bezier.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/2geom/sbasis-to-bezier.cpp b/src/2geom/sbasis-to-bezier.cpp
index ce5bf89bc..0a5441254 100644
--- a/src/2geom/sbasis-to-bezier.cpp
+++ b/src/2geom/sbasis-to-bezier.cpp
@@ -99,6 +99,10 @@ int sgn(unsigned int j, unsigned int k)
 */
 void sbasis_to_bezier (Bezier & bz, SBasis const& sb, size_t sz)
 {
+    if (sb.size() == 0) {
+        THROW_RANGEERROR("size of sb is too small");
+    }
+
     size_t q, n;
     bool even;
     if (sz == 0)
-- 
2.30.2