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[libc] Add wcslen() function

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown 2012-10-15 00:36:48 +01:00
parent a712dae709
commit 51b65d5f9c
2 changed files with 45 additions and 0 deletions
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43
src/core/wchar.c Normal file
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@ -0,0 +1,43 @@
/*
* 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.
*/
FILE_LICENCE ( GPL2_OR_LATER );
/**
* @file
*
* Wide-character strings
*
*/
#include <wchar.h>
/**
* Calculate length of wide-character string
*
* @v string String
* @ret len Length (excluding terminating NUL)
*/
size_t wcslen ( const wchar_t *string ) {
size_t len = 0;
while ( *(string++) )
len++;
return len;
}

2
src/include/wchar.h
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@ -24,4 +24,6 @@ size_t wcrtomb ( char *buf, wchar_t wc, mbstate_t *ps __unused ) {
return 1;
}
extern size_t wcslen ( const wchar_t *string );
#endif /* WCHAR_H */