usr/src/lib/libbc/libc/gen/common/nl_strncmp.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 1988 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #include <stdio.h>
  30
  31 #define MAXSTR  256             /* use same value as used in strcoll */
  32
  33 int
  34 nl_strncmp(s1, s2, n)
  35         char *s1;
  36         char *s2;
  37         int n;
  38 {
  39         char ns1[MAXSTR+1];
  40         char ns2[MAXSTR+1];
  41         register int i;
  42         register char *p1, *p2;
  43
  44         p1 = ns1;
  45         p2 = ns2;
  46
  47         for (i = 0; i < n && i < MAXSTR; i++) {
  48                 *p1++ = *s1++;
  49                 *p2++ = *s2++;
  50         }
  51         *p1 = *p2 = '\0';
  52
  53         return (strcoll(ns1, ns2));
  54 }