Revision: 5211
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=5211&view=rev
Author: mdboom
Date: 2008-05-21 06:06:51 -0700 (Wed, 21 May 2008)
Log Message:
-----------
Backport TkAgg segfault fix.
Modified Paths:
--------------
branches/v0_91_maint/CHANGELOG
branches/v0_91_maint/src/_tkagg.cpp
Modified: branches/v0_91_maint/CHANGELOG
===================================================================
--- branches/v0_91_maint/CHANGELOG 2008-05-21 13:03:36 UTC (rev 5210)
+++ branches/v0_91_maint/CHANGELOG 2008-05-21 13:06:51 UTC (rev 5211)
@@ -1,3 +1,5 @@
+2008-05-21 Fix segfault in TkAgg backend - MGD
+
2008-05-21 Fix a "local variable unreferenced" bug in plotfile - MM
2008-05-19 Fix crash when Windows can not access the registry to
Modified: branches/v0_91_maint/src/_tkagg.cpp
===================================================================
--- branches/v0_91_maint/src/_tkagg.cpp 2008-05-21 13:03:36 UTC (rev 5210)
+++ branches/v0_91_maint/src/_tkagg.cpp 2008-05-21 13:06:51 UTC (rev 5211)
@@ -50,6 +50,7 @@
agg::int8u *destbuffer;
double l,b,r,t;
int destx, desty, destwidth, destheight, deststride;
+ unsigned long aggl, bboxl;
long mode;
long nval;
@@ -71,7 +72,11 @@
return TCL_ERROR;
}
/* get array (or object that can be converted to array) pointer */
- aggo = (PyObject*)atol(argv[2]);
+ if (sscanf (argv[2],"%lu",&aggl) != 1) {
+ Tcl_AppendResult(interp, "error casting pointer", (char *) NULL);
+ return TCL_ERROR;
+ }
+ aggo = (PyObject*)aggl;
RendererAgg *aggRenderer = (RendererAgg *)aggo;
int srcheight = (int)aggRenderer->get_height();
@@ -85,7 +90,11 @@
}
/* check for bbox/blitting */
- bboxo = (PyObject*)atol(argv[4]);
+ if (sscanf(argv[4], "%lu", &bboxl) != 1) {
+ Tcl_AppendResult(interp, "error casting pointer", (char *) NULL);
+ return TCL_ERROR;
+ }
+ bboxo = (PyObject*)bboxl;
if (bboxo != Py_None) {
bbox = (Bbox*)bboxo;
l = bbox->ll_api()->x_api()->val();
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