dist/ntp/libntp/strstr.c

   1 /*      $NetBSD$        */
   2
   3 #include <config.h>
   4
   5 #if !HAVE_STRSTR
   6
   7 /*
   8  * Amanda, The Advanced Maryland Automatic Network Disk Archiver
   9  * Copyright (c) 1991-1998 University of Maryland at College Park
  10  * All Rights Reserved.
  11  *
  12  * Permission to use, copy, modify, distribute, and sell this software and its
  13  * documentation for any purpose is hereby granted without fee, provided that
  14  * the above copyright notice appear in all copies and that both that
  15  * copyright notice and this permission notice appear in supporting
  16  * documentation, and that the name of U.M. not be used in advertising or
  17  * publicity pertaining to distribution of the software without specific,
  18  * written prior permission.  U.M. makes no representations about the
  19  * suitability of this software for any purpose.  It is provided "as is"
  20  * without express or implied warranty.
  21  *
  22  * U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M.
  24  * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  25  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  26  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  27  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  28  *
  29  * Author: James da Silva, Systems Design and Analysis Group
  30  *                         Computer Science Department
  31  *                         University of Maryland at College Park
  32  */
  33 /*
  34  * $Id: strstr.c,v 1.2 2003/12/04 16:23:37 drochner Exp $
  35  *
  36  * replacement for missing ANSI-C strstr function
  37  */
  38
  39 char *strstr(a, b)
  40 char *a, *b;
  41 {
  42         int alen, blen, i;
  43
  44         alen = strlen(a);
  45         blen = strlen(b);
  46
  47         for(i=0; i <= alen-blen; i++, a++)
  48             if(strncmp(a, b, blen) == 0) return a;
  49
  50         return NULL;
  51 }
  52 #else
  53 int strstr_bs;
  54 #endif