Mercurial > illumos > onarm
annotate usr/src/cmd/fmli/sys/memshift.c @ 4:1a15d5aaf794
synchronized with onnv_86 (6202) in onnv-gate
| author | Koji Uno <koji.uno@sun.com> |
|---|---|
| date | Mon, 31 Aug 2009 14:38:03 +0900 |
| parents | c9caec207d52 |
| children |
| rev | line source |
|---|---|
| 0 | 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 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ | |
| 23 /* All Rights Reserved */ | |
| 24 | |
| 25 | |
| 26 /* | |
| 27 * Copyright (c) 1986 AT&T | |
| 28 * All Rights Reserved | |
| 29 */ | |
|
4
1a15d5aaf794
synchronized with onnv_86 (6202) in onnv-gate
Koji Uno <koji.uno@sun.com>
parents:
0
diff
changeset
|
30 #ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.1 */ |
| 0 | 31 |
| 32 #include <stdio.h> | |
| 33 #include "wish.h" | |
| 34 | |
| 35 char * | |
| 36 memshift(dst, src, len) | |
| 37 char *dst; | |
| 38 char *src; | |
| 39 int len; | |
| 40 { | |
| 41 register char *d; | |
| 42 register char *s; | |
| 43 register int n; | |
| 44 extern char *memcpy(); | |
| 45 | |
| 46 if (dst < src) | |
| 47 if (dst + len <= src) | |
| 48 memcpy(dst, src, len); | |
| 49 else | |
| 50 for (s = src, d = dst, n = len; n > 0; n--) | |
| 51 *d++ = *s++; | |
| 52 else | |
| 53 if (src + len <= dst) | |
| 54 return memcpy(dst, src, len); | |
| 55 else | |
| 56 for (n = len, s = src + n, d = dst + n; n > 0; n--) | |
| 57 *--d = *--s; | |
| 58 return dst; | |
| 59 } |