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/* Find the length of STRING + 1, but scan at most MAXLEN bytes.
Copyright (C) 2005 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 2, 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, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
/* 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 = memchr (string, '\0', maxlen);
if (end != NULL)
return end - string + 1;
else
return maxlen;
}
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