summaryrefslogtreecommitdiffstats
path: root/src/basic/string-table.c
blob: d4b7c69bdc59ed144e8f267ff737d8f182bc1228 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
/* SPDX-License-Identifier: LGPL-2.1+ */
/***
  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 "string-table.h"
#include "string-util.h"

ssize_t string_table_lookup(const char * const *table, size_t len, const char *key) {
        size_t i;

        if (!key)
                return -1;

        for (i = 0; i < len; ++i)
                if (streq_ptr(table[i], key))
                        return (ssize_t) i;

        return -1;
}