Revision: 5776
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=5776&view=rev
Author: mdboom
Date: 2008-07-17 18:25:20 +0000 (Thu, 17 Jul 2008)
Log Message:
-----------
Remove possibility of buffer overrun in last commit.
Modified Paths:
--------------
trunk/matplotlib/src/agg_py_path_iterator.h
Modified: trunk/matplotlib/src/agg_py_path_iterator.h
===================================================================
--- trunk/matplotlib/src/agg_py_path_iterator.h 2008-07-17 17:40:47 UTC (rev
5775)
+++ trunk/matplotlib/src/agg_py_path_iterator.h 2008-07-17 18:25:20 UTC (rev
5776)
@@ -75,14 +75,18 @@
{
if (m_iterator >= m_total_vertices) return agg::path_cmd_stop;
unsigned code = vertex_with_code(m_iterator++, x, y);
+
if (MPL_isnan64(*x) || MPL_isnan64(*y)) {
- do {
- vertex(m_iterator++, x, y);
- } while ((MPL_isnan64(*x) || MPL_isnan64(*y)) &&
- m_iterator < m_total_vertices);
- return (m_iterator >= m_total_vertices) ? agg::path_cmd_stop :
- agg::path_cmd_move_to;
+ do {
+ if (m_iterator < m_total_vertices) {
+ vertex(m_iterator++, x, y);
+ } else {
+ return agg::path_cmd_stop;
+ }
+ } while (MPL_isnan64(*x) || MPL_isnan64(*y));
+ return agg::path_cmd_move_to;
}
+
return code;
}
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