libvirt/gnulib/lib/strnlen.c
Richard W.M. Jones 532759a593 Fri Dec 7 14:27:00 UTC 2007 Richard W.M. Jones <rjones@redhat.com>
* bootstrap, Makefile.am, gnulib/*: Import more gnulib
	  modules for use by MinGW Windows port.
2007-12-07 14:32:35 +00:00

32 lines
1.2 KiB
C

/* Find the length of STRING, but scan at most MAXLEN characters.
Copyright (C) 2005, 2006, 2007 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 Lesser General Public License as published by
the Free Software Foundation; either version 2.1, 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser 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;
}