Fix memory leak in xmlSwitchInputEncodingInt error path
Found by OSS-Fuzz.
diff --git a/parserInternals.c b/parserInternals.c
index 09876ab..0f015de 100644
--- a/parserInternals.c
+++ b/parserInternals.c
@@ -1240,8 +1240,18 @@
* size to be able to convert the buffer.
*/
xmlErrInternal(ctxt, "switching encoding : no input\n", NULL);
+ /*
+ * Callers assume that the input buffer takes ownership of the
+ * encoding handler. xmlCharEncCloseFunc frees unregistered
+ * handlers and avoids a memory leak.
+ */
+ xmlCharEncCloseFunc(handler);
return (-1);
}
+ /*
+ * We should actually raise an error here, see issue #34.
+ */
+ xmlCharEncCloseFunc(handler);
return (0);
}