Add tevent_req_is_unix_error

[tprouty/samba.git] / lib / util / tevent_unix.c

diff --git a/lib/util/tevent_unix.c b/lib/util/tevent_unix.c
new file mode 100644 (file)
index 0000000..b89d5cd
--- /dev/null
+++ b/lib/util/tevent_unix.c
@@ -0,0 +1,46 @@
+/*
+   Unix SMB/CIFS implementation.
+   Wrap unix errno around tevent_req
+   Copyright (C) Volker Lendecke 2009
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "tevent_unix.h"
+#include "../replace/replace.h"
+
+bool tevent_req_is_unix_error(struct tevent_req *req, int *perrno)
+{
+       enum tevent_req_state state;
+       uint64_t err;
+
+       if (!tevent_req_is_error(req, &state, &err)) {
+               return false;
+       }
+       switch (state) {
+       case TEVENT_REQ_TIMED_OUT:
+               *perrno = ETIMEDOUT;
+               break;
+       case TEVENT_REQ_NO_MEMORY:
+               *perrno = ENOMEM;
+               break;
+       case TEVENT_REQ_USER_ERROR:
+               *perrno = err;
+               break;
+       default:
+               *perrno = EINVAL;
+               break;
+       }
+       return true;
+}