src/shared: refactor shared code

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

1 files changed, 55 insertions, 0 deletions

diff --git a/src/shared/strv.h b/src/shared/strv.h
new file mode 100644
index 0000000000..4cc918367e
--- /dev/null
+++ b/src/shared/strv.h
@@ -0,0 +1,55 @@
+/*-*- 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 <stdarg.h>
+#include <stdbool.h>
+
+#include "macro.h"
+
+void strv_free(char **l);
+static inline void strv_freep(char ***l) {
+        strv_free(*l);
+}
+
+void strv_free(char **l);
+#define _cleanup_strv_free_ _cleanup_(strv_freep)
+
+char **strv_copy(char * const *l);
+unsigned strv_length(char * const *l) _pure_;
+
+int strv_extend(char ***l, const char *value);
+int strv_push(char ***l, char *value);
+int strv_consume(char ***l, char *value);
+
+char **strv_remove(char **l, const char *s);
+char **strv_uniq(char **l);
+
+char **strv_new(const char *x, ...) _sentinel_;
+char **strv_new_ap(const char *x, va_list ap);
+
+static inline bool strv_isempty(char * const *l) {
+        return !l || !*l;
+}
+
+#define STRV_FOREACH(s, l)                      \
+        for ((s) = (l); (s) && *(s); (s)++)