| bigbiff bigbiff | 9c75405 | 2013-01-09 09:09:08 -0500 | [diff] [blame^] | 1 | /* $OpenBSD: strdup.c,v 1.3 1997/08/20 04:18:52 millert Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1988, 1993 |
| 5 | * The Regents of the University of California. All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * 3. All advertising materials mentioning features or use of this software |
| 16 | * must display the following acknowledgement: |
| 17 | * This product includes software developed by the University of |
| 18 | * California, Berkeley and its contributors. |
| 19 | * 4. Neither the name of the University nor the names of its contributors |
| 20 | * may be used to endorse or promote products derived from this software |
| 21 | * without specific prior written permission. |
| 22 | * |
| 23 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 24 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 25 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 26 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 27 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 28 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 29 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 30 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 31 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 32 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 33 | * SUCH DAMAGE. |
| 34 | */ |
| 35 | |
| 36 | #if defined(LIBC_SCCS) && !defined(lint) |
| 37 | #if 0 |
| 38 | static char sccsid[] = "@(#)strdup.c 8.1 (Berkeley) 6/4/93"; |
| 39 | #else |
| 40 | static char *rcsid = "$OpenBSD: strdup.c,v 1.3 1997/08/20 04:18:52 millert Exp $"; |
| 41 | #endif |
| 42 | #endif /* LIBC_SCCS and not lint */ |
| 43 | |
| 44 | #include <sys/types.h> |
| 45 | |
| 46 | #include <stddef.h> |
| 47 | #include <stdlib.h> |
| 48 | #include <string.h> |
| 49 | |
| 50 | char * |
| 51 | openbsd_strdup(str) |
| 52 | const char *str; |
| 53 | { |
| 54 | size_t siz; |
| 55 | char *copy; |
| 56 | |
| 57 | siz = strlen(str) + 1; |
| 58 | if ((copy = malloc(siz)) == NULL) |
| 59 | return(NULL); |
| 60 | (void)memcpy(copy, str, siz); |
| 61 | return(copy); |
| 62 | } |