1 /* Find the length of STRING + 1, but scan at most MAXLEN bytes.
2 Copyright (C) 2005-2006, 2009-2022 Free Software Foundation, Inc.
4 This file is free software: you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as
6 published by the Free Software Foundation; either version 2.1 of the
7 License, or (at your option) any later version.
9 This file is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
24 /* Find the length of STRING + 1, but scan at most MAXLEN bytes.
25 If no '\0' terminator is found in that many characters, return MAXLEN. */
26 /* This is the same as strnlen (string, maxlen - 1) + 1. */
28 strnlen1 (const char *string
, size_t maxlen
)
30 const char *end
= (const char *) memchr (string
, '\0', maxlen
);
32 return end
- string
+ 1;