kolibrios/programs/develop/open watcom/trunk/clib/string/strxfrm.c

/****************************************************************************
*
*                            Open Watcom Project
*
*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
*
*  ========================================================================
*
*    This file contains Original Code and/or Modifications of Original
*    Code as defined in and that are subject to the Sybase Open Watcom
*    Public License version 1.0 (the 'License'). You may not use this file
*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
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*    provided with the Original Code and Modifications, and is also
*    available at www.sybase.com/developer/opensource.
*
*    The Original Code and all software distributed under the License are
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*    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
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* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
*               DESCRIBE IT HERE!
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****************************************************************************/


#include "variety.h"
#include "widechar.h"
#include <string.h>

/* Transform the string so that two transformed strings can be properly
   compared in the current locale.
   We only support the "C" locale, so just copy the string.
*/

_WCRTLINK size_t __F_NAME(strxfrm,wcsxfrm)( CHAR_TYPE *dst, const CHAR_TYPE *src, size_t n )
    {
        size_t len;

        len = 0;
        for(;;) {
            if( len < n ) *dst = *src;
            if( *src == __F_NAME('\0',L'\0') )  break;
            ++src;
            ++dst;
            ++len;
        }
        return( len );
    }