src/libudev/util.c: bring in line with upstream

To bring this in line with upstream, we had to add in env-util.c.
The approach we will take is to slim down upstream's "shared" code
so that it only contains functions and macros for what we need.

Signed-off-by: Anthony G. Basile <blueness@gentoo.org>

1 files changed, 24 insertions, 0 deletions

diff --git a/src/libudev/env-util.h b/src/libudev/env-util.h
new file mode 100644
index 0000000000..61a5332d63
--- /dev/null
+++ b/src/libudev/env-util.h
@@ -0,0 +1,24 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#pragma once
+
+/***
+  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/>.
+***/
+
+char *strv_env_get_n(char **l, const char *name, size_t k) _pure_;