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/contrib/ntp/libntp/strstr.c

https://bitbucket.org/freebsd/freebsd-head/
C | 52 lines | 15 code | 6 blank | 31 comment | 3 complexity | 82390e108dcb8c537c39860b1e27f5f1 MD5 | raw file
 1#include <config.h>
 2
 3#if !HAVE_STRSTR
 4
 5/*
 6 * Amanda, The Advanced Maryland Automatic Network Disk Archiver
 7 * Copyright (c) 1991-1998 University of Maryland at College Park
 8 * All Rights Reserved.
 9 *
10 * Permission to use, copy, modify, distribute, and sell this software and its
11 * documentation for any purpose is hereby granted without fee, provided that
12 * the above copyright notice appear in all copies and that both that
13 * copyright notice and this permission notice appear in supporting
14 * documentation, and that the name of U.M. not be used in advertising or
15 * publicity pertaining to distribution of the software without specific,
16 * written prior permission.  U.M. makes no representations about the
17 * suitability of this software for any purpose.  It is provided "as is"
18 * without express or implied warranty.
19 *
20 * U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M.
22 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
23 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
24 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
25 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
26 *
27 * Author: James da Silva, Systems Design and Analysis Group
28 *			   Computer Science Department
29 *			   University of Maryland at College Park
30 */
31/*
32 * $Id$
33 *
34 * replacement for missing ANSI-C strstr function
35 */
36
37char *strstr(a, b)
38char *a, *b;
39{
40        int alen, blen, i;
41
42        alen = strlen(a);
43        blen = strlen(b);
44
45        for(i=0; i <= alen-blen; i++, a++)
46            if(strncmp(a, b, blen) == 0) return a;
47
48        return NULL;
49}
50#else
51int strstr_bs;
52#endif