/* Find the length of STRING + 1, but scan at most MAXLEN bytes.

   Copyright (C) 2005-2006, 2009-2018 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;

}