util-lib: split out resource limits related calls into rlimit-util.[ch]

src/basic/rlimit-util.h

@@ -0,0 +1,33 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#pragma once
+
+/***
+  This file is part of systemd.
+
+  Copyright 2010 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 <sys/resource.h>
+
+#include "macro.h"
+
+const char *rlimit_to_string(int i) _const_;
+int rlimit_from_string(const char *s) _pure_;
+
+int setrlimit_closest(int resource, const struct rlimit *rlim);
+
+#define RLIMIT_MAKE_CONST(lim) ((struct rlimit) { lim, lim })