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/*
* Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>.
*
* 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 of the
* License, or 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.
*
* You can also choose to distribute this program under the terms of
* the Unmodified Binary Distribution Licence (as given in the file
* COPYING.UBDL), provided that you have satisfied its requirements.
*/
FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
FILE_SECBOOT ( PERMITTED );
/**
* @file
*
* Wide-character strings
*
*/
#include <wchar.h>
/**
* Calculate length of wide-character string
*
* @v string String
* @v max Maximum length (in wide characters)
* @ret len Length (in wide characters, excluding terminating NUL)
*/
size_t wcsnlen ( const wchar_t *string, size_t max ) {
size_t len = 0;
while ( max-- && *(string++) )
len++;
return len;
}
/**
* Calculate length of wide-character string
*
* @v string String
* @ret len Length (in wide characters, excluding terminating NUL)
*/
size_t wcslen ( const wchar_t *string ) {
return wcsnlen ( string, ( ( ~( ( size_t ) 0 ) ) /
sizeof ( string[0] ) ) );
}
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