tree-wide: drop 'This file is part of systemd' blurb

[elogind.git] / src / basic / errno-list.c

diff --git a/src/basic/errno-list.c b/src/basic/errno-list.c
index c41a8b8847c3309e319a445391befe33aac64a01..259b1ec0a764ce3d96766d0b87e53692b99eafd2 100644 (file)
--- a/src/basic/errno-list.c
+++ b/src/basic/errno-list.c
@@ -1,34 +1,17 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
 /***
-  This file is part of systemd.
-
   Copyright 2013 Lennart Poettering
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd 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
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
+#include <errno.h>
 #include <string.h>
 
-#include "config.h"
 #include "errno-list.h"
-#include "util.h"
+#include "macro.h"
 
 static const struct errno_name* lookup_errno(register const char *str,
                                              register GPERF_LEN_TYPE len);
 
-
 #include "errno-from-name.h"
 #include "errno-to-name.h"
 
@@ -50,13 +33,10 @@ int errno_from_name(const char *name) {
 
         sc = lookup_errno(name, strlen(name));
         if (!sc)
-                return 0;
+                return -EINVAL;
 
+        assert(sc->id > 0);
         return sc->id;
 }
-
 #if 0 /// UNNEEDED by elogind
-int errno_max(void) {
-        return ELEMENTSOF(errno_names);
-}
 #endif // 0