text: /*	$NetBSD: strxfrm.c,v 1.5 1997/07/13 20:24:37 christos Exp $	*/
  
  /*-
   * Copyright (c) 1990 The Regents of the University of California.
   * All rights reserved.
   *
   * This code is derived from software contributed to Berkeley by
   * Chris Torek.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. All advertising materials mentioning features or use of this software
   *    must display the following acknowledgement:
   *	This product includes software developed by the University of
   *	California, Berkeley and its contributors.
   * 4. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   */
  
  #include <sys/cdefs.h>
  #if defined(LIBC_SCCS) && !defined(lint)
  #if 0
  static char *sccsid = "@(#)strxfrm.c	5.2 (Berkeley) 1/26/91";
  #else
  __RCSID("$NetBSD: strxfrm.c,v 1.5 1997/07/13 20:24:37 christos Exp $");
  #endif
  #endif /* LIBC_SCCS and not lint */
  
  #include <string.h>
  
  /*
   * Transform src, storing the result in dst, such that
   * strcmp() on transformed strings returns what strcoll()
   * on the original untransformed strings would return.
   */
  size_t
  strxfrm(dst, src, n)
  	register char *dst;
  	register const char *src;
  	register size_t n;
  {
  	register size_t r = 0;
  	register int c;
  
  	/*
  	 * Since locales are unimplemented, this is just a copy.
  	 */
  	if (n != 0) {
  		while ((c = *src++) != 0) {
  			r++;
  			if (--n == 0) {
  				while (*src++ != 0)
  					r++;
  				break;
  			}
  			*dst++ = c;
  		}
  		*dst = 0;
  	}
  	return (r);
  }
  