1 *22028508SToomas Soome /*-
2 *22028508SToomas Soome * Copyright (c) 1990, 1993
3 *22028508SToomas Soome * The Regents of the University of California. All rights reserved.
4 *22028508SToomas Soome *
5 *22028508SToomas Soome * Redistribution and use in source and binary forms, with or without
6 *22028508SToomas Soome * modification, are permitted provided that the following conditions
7 *22028508SToomas Soome * are met:
8 *22028508SToomas Soome * 1. Redistributions of source code must retain the above copyright
9 *22028508SToomas Soome * notice, this list of conditions and the following disclaimer.
10 *22028508SToomas Soome * 2. Redistributions in binary form must reproduce the above copyright
11 *22028508SToomas Soome * notice, this list of conditions and the following disclaimer in the
12 *22028508SToomas Soome * documentation and/or other materials provided with the distribution.
13 *22028508SToomas Soome * 3. Neither the name of the University nor the names of its contributors
14 *22028508SToomas Soome * may be used to endorse or promote products derived from this software
15 *22028508SToomas Soome * without specific prior written permission.
16 *22028508SToomas Soome *
17 *22028508SToomas Soome * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 *22028508SToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 *22028508SToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 *22028508SToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 *22028508SToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 *22028508SToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 *22028508SToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 *22028508SToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 *22028508SToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 *22028508SToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 *22028508SToomas Soome * SUCH DAMAGE.
28 *22028508SToomas Soome */
29 *22028508SToomas Soome
30 *22028508SToomas Soome #if defined(LIBC_SCCS) && !defined(lint)
31 *22028508SToomas Soome static char sccsid[] = "@(#)memccpy.c 8.1 (Berkeley) 6/4/93";
32 *22028508SToomas Soome #endif /* LIBC_SCCS and not lint */
33 *22028508SToomas Soome #include <sys/cdefs.h>
34 *22028508SToomas Soome __FBSDID("$FreeBSD$");
35 *22028508SToomas Soome
36 *22028508SToomas Soome #include <string.h>
37 *22028508SToomas Soome
38 *22028508SToomas Soome void *
memccpy(void * t,const void * f,int c,size_t n)39 *22028508SToomas Soome memccpy(void *t, const void *f, int c, size_t n)
40 *22028508SToomas Soome {
41 *22028508SToomas Soome
42 *22028508SToomas Soome if (n) {
43 *22028508SToomas Soome unsigned char *tp = t;
44 *22028508SToomas Soome const unsigned char *fp = f;
45 *22028508SToomas Soome unsigned char uc = c;
46 *22028508SToomas Soome do {
47 *22028508SToomas Soome if ((*tp++ = *fp++) == uc)
48 *22028508SToomas Soome return (tp);
49 *22028508SToomas Soome } while (--n != 0);
50 *22028508SToomas Soome }
51 *22028508SToomas Soome return (0);
52 *22028508SToomas Soome }
53