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- /* Find the length of STRING + 1, but scan at most MAXLEN bytes.
- Copyright (C) 2005-2006, 2009-2021 Free Software Foundation, Inc.
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
- This program 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 General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <https://www.gnu.org/licenses/>. */
- #include <config.h>
- /* Specification. */
- #include "strnlen1.h"
- #include <string.h>
- /* Find the length of STRING + 1, but scan at most MAXLEN bytes.
- If no '\0' terminator is found in that many characters, return MAXLEN. */
- /* This is the same as strnlen (string, maxlen - 1) + 1. */
- size_t
- strnlen1 (const char *string, size_t maxlen)
- {
- const char *end = (const char *) memchr (string, '\0', maxlen);
- if (end != NULL)
- return end - string + 1;
- else
- return maxlen;
- }
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