xref: /titanic_51/usr/src/lib/libast/common/string/memdup.c (revision dc4bf86d3869090fa08d98d7030728be986fd289)
1 /***********************************************************************
2 *                                                                      *
3 *               This software is part of the ast package               *
4 *          Copyright (c) 1985-2008 AT&T Intellectual Property          *
5 *                      and is licensed under the                       *
6 *                  Common Public License, Version 1.0                  *
7 *                    by AT&T Intellectual Property                     *
8 *                                                                      *
9 *                A copy of the License is available at                 *
10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12 *                                                                      *
13 *              Information and Software Systems Research               *
14 *                            AT&T Research                             *
15 *                           Florham Park NJ                            *
16 *                                                                      *
17 *                 Glenn Fowler <gsf@research.att.com>                  *
18 *                  David Korn <dgk@research.att.com>                   *
19 *                   Phong Vo <kpv@research.att.com>                    *
20 *                                                                      *
21 ***********************************************************************/
22 #pragma prototyped
23 
24 #include <ast.h>
25 
26 #if _lib_memdup
27 
28 NoN(memdup)
29 
30 #else
31 
32 /*
33  * return a copy of s of n chars using malloc
34  */
35 
36 void*
37 memdup(register const void* s, register size_t n)
38 {
39 	register void*	t;
40 
41 	return((t = (void*)newof(0, char, n, 0)) ? memcpy(t, s, n) : 0);
42 }
43 
44 #endif
45