1/***********************************************************************
2*                                                                      *
3*               This software is part of the ast package               *
4*          Copyright (c) 1985-2012 AT&T Intellectual Property          *
5*                      and is licensed under the                       *
6*                 Eclipse Public License, Version 1.0                  *
7*                    by AT&T Intellectual Property                     *
8*                                                                      *
9*                A copy of the License is available at                 *
10*          http://www.eclipse.org/org/documents/epl-v10.html           *
11*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
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#undef	VMDEBUG
25#define	VMDEBUG		0
26
27#if defined(_MSVCRT_H)
28#if defined(__STDPP__directive) && defined(__STDPP__hide)
29__STDPP__directive pragma pp:hide strdup
30#else
31#define strdup		______strdup
32#endif
33#endif
34
35#include <ast.h>
36
37#if defined(_MSVCRT_H)
38#if defined(__STDPP__directive) && defined(__STDPP__hide)
39__STDPP__directive pragma pp:nohide strdup
40#else
41#undef	strdup
42#endif
43#endif
44
45/*
46 * return a copy of s using malloc
47 */
48
49#if defined(__EXPORT__)
50#define extern	__EXPORT__
51#endif
52
53extern char*
54strdup(register const char* s)
55{
56	register char*	t;
57	register int	n;
58
59	return (s && (t = oldof(0, char, n = strlen(s) + 1, 0))) ? (char*)memcpy(t, s, n) : (char*)0;
60}
61