strnlen.c
No OneTemporary
Actions

Size

1 KB

Referenced Files

None

Subscribers

None

strnlen.c
View Options

	/* Find the length of STRING, but scan at most MAXLEN characters.
	Copyright (C) 2005-2007, 2009-2011 Free Software Foundation, Inc.
	Written by Simon Josefsson.

	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, 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. */

	#include <config.h>

	#include <string.h>

	/* Find the length of STRING, but scan at most MAXLEN characters.
	If no '\0' terminator is found in that many characters, return MAXLEN. */

	size_t
	strnlen (const char *string, size_t maxlen)
	{
	const char *end = memchr (string, '\0', maxlen);
	return end ? (size_t) (end - string) : maxlen;
	}