Fix SHA_new and MD5_new, that would crash if not given initial data
diff --git a/Modules/md5module.c b/Modules/md5module.c
index 0b150a0..7081706 100644
--- a/Modules/md5module.c
+++ b/Modules/md5module.c
@@ -272,19 +272,21 @@
if (!PyArg_ParseTuple(args, "|O:new", &data_obj))
return NULL;
- GET_BUFFER_VIEW_OR_ERROUT(data_obj, &view, NULL);
+ if (data_obj)
+ GET_BUFFER_VIEW_OR_ERROUT(data_obj, &view, NULL);
if ((md5p = newmd5object()) == NULL) {
- PyBuffer_Release(&view);
+ if (data_obj)
+ PyBuffer_Release(&view);
return NULL;
}
if (data_obj) {
md5_append(&md5p->md5, (unsigned char*)view.buf,
Py_SAFE_DOWNCAST(view.len, Py_ssize_t, unsigned int));
+ PyBuffer_Release(&view);
}
-
- PyBuffer_Release(&view);
+
return (PyObject *)md5p;
}