Issue #4461: Safety check in parsenumber (ast.c)

mark.dickinson · mark.dickinson · commit f4adf97395ea · 2008-12-05T17:59:46.000Z
git-svn-id: http://svn.python.org/projects/python/trunk@67590 6015fed2-1504-0410-9fe1-9d1591cc4771
diff --git a/Python/ast.c b/Python/ast.c
@@ -3184,6 +3184,7 @@ parsenumber(struct compiling *c, const char *s)
         int imflag;
 #endif
 
+        assert(s != NULL);
         errno = 0;
         end = s + strlen(s) - 1;
 #ifndef WITHOUT_COMPLEX
