1 /***
2 This file is part of eudev, forked from systemd.
3
4 Copyright 2010 Lennart Poettering
5
6 systemd is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
10
11 systemd is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public License
17 along with systemd; If not, see <http://www.gnu.org/licenses/>.
18 ***/
19
20 #pragma once
21
22 #include <stdarg.h>
23 #include <stdbool.h>
24
25 #include "util.h"
26
27 char **strv_free(char **l);
28 DEFINE_TRIVIAL_CLEANUP_FUNC(char**, strv_free);
29 #define _cleanup_strv_free_ _cleanup_(strv_freep)
30
31 void strv_clear(char **l);
32
33 char **strv_copy(char * const *l);
34 unsigned strv_length(char * const *l) _pure_;
35
36 int strv_extend(char ***l, const char *value);
37 int strv_push(char ***l, char *value);
38 int strv_consume(char ***l, char *value);
39
40 char **strv_remove(char **l, const char *s);
41 char **strv_uniq(char **l);
42
43 char **strv_new(const char *x, ...) _sentinel_;
44 char **strv_new_ap(const char *x, va_list ap);
45
strv_isempty(char * const * l)46 static inline bool strv_isempty(char * const *l) {
47 return !l || !*l;
48 }
49
50 #define STRV_FOREACH(s, l) \
51 for ((s) = (l); (s) && *(s); (s)++)
52