udev: String substitutions can be done in ENV, too
[systemd_ALT.git] / src / basic / string-table.c
blob3a6376714a43ca3dd9d58ab1d7873a1f8b70c4e3
1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
3 #include "string-table.h"
4 #include "string-util.h"
6 ssize_t string_table_lookup(const char * const *table, size_t len, const char *key) {
7 if (!key)
8 return -EINVAL;
10 for (size_t i = 0; i < len; ++i)
11 if (streq_ptr(table[i], key))
12 return (ssize_t) i;
14 return -EINVAL;