added checks for zero length strings when checking for the last character

2008-06-05 13:12:17 +00:00
parent f35289574a
commit 6757b759ea
2 changed files with 7 additions and 5 deletions
--- a/source/blender/python/api2_2x/Sys.c
+++ b/source/blender/python/api2_2x/Sys.c
@@ -411,7 +411,7 @@ static PyObject *M_sys_cleanpath( PyObject * self, PyObject * value )
 		return EXPP_ReturnPyObjError( PyExc_TypeError,
 			"expected string argument" );
 	last = strlen(path)-1;
-	if ((path[last]=='/') || (path[last]=='\\')) {
+	if ((last >= 0) && ((path[last]=='/') || (path[last]=='\\'))) {
 		trailing_slash = 1;
 	}
 	BLI_strncpy(cleaned, path, FILE_MAXDIR + FILE_MAXFILE);