glibc/wcsmbs/wcsnlen.c
Ulrich Drepper 9cc198f65b [BZ #4963]
* wcsmbs/wcsnlen.c: Don't reference before checking the length.
	* string/stratcliff.c: Make usable to test wide char functions.
	* wcsmbs/wcsatcliff.c: New file.
	* wcsmbs/Makefiel (tests): Add wcsatcliff.
2007-09-23 18:27:55 +00:00

49 lines
1.4 KiB
C

/* Copyright (C) 1998, 1999, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
The GNU C Library 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 of the License, or (at your option) any later version.
The GNU C Library 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 the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <wchar.h>
/* Copy SRC to DEST. */
size_t
__wcsnlen (s, maxlen)
const wchar_t *s;
size_t maxlen;
{
size_t len = 0;
while (maxlen > 0 && s[len] != L'\0')
{
++len;
if (--maxlen == 0 || s[len] == L'\0')
return len;
++len;
if (--maxlen == 0 || s[len] == L'\0')
return len;
++len;
if (--maxlen == 0 || s[len] == L'\0')
return len;
++len;
--maxlen;
}
return len;
}
weak_alias (__wcsnlen, wcsnlen)