1da2e3ebdSchin /***********************************************************************
2da2e3ebdSchin *                                                                      *
3da2e3ebdSchin *               This software is part of the ast package               *
4*b30d1939SAndy Fiddaman *          Copyright (c) 1985-2012 AT&T Intellectual Property          *
5da2e3ebdSchin *                      and is licensed under the                       *
6*b30d1939SAndy Fiddaman *                 Eclipse Public License, Version 1.0                  *
77c2fbfb3SApril Chin *                    by AT&T Intellectual Property                     *
8da2e3ebdSchin *                                                                      *
9da2e3ebdSchin *                A copy of the License is available at                 *
10*b30d1939SAndy Fiddaman *          http://www.eclipse.org/org/documents/epl-v10.html           *
11*b30d1939SAndy Fiddaman *         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
12da2e3ebdSchin *                                                                      *
13da2e3ebdSchin *              Information and Software Systems Research               *
14da2e3ebdSchin *                            AT&T Research                             *
15da2e3ebdSchin *                           Florham Park NJ                            *
16da2e3ebdSchin *                                                                      *
17da2e3ebdSchin *                 Glenn Fowler <gsf@research.att.com>                  *
18da2e3ebdSchin *                  David Korn <dgk@research.att.com>                   *
19da2e3ebdSchin *                   Phong Vo <kpv@research.att.com>                    *
20da2e3ebdSchin *                                                                      *
21da2e3ebdSchin ***********************************************************************/
22da2e3ebdSchin #pragma prototyped
23da2e3ebdSchin 
24da2e3ebdSchin #undef	VMDEBUG
25da2e3ebdSchin #define	VMDEBUG		0
26da2e3ebdSchin 
27*b30d1939SAndy Fiddaman #if defined(_MSVCRT_H)
28*b30d1939SAndy Fiddaman #if defined(__STDPP__directive) && defined(__STDPP__hide)
29*b30d1939SAndy Fiddaman __STDPP__directive pragma pp:hide strdup
30*b30d1939SAndy Fiddaman #else
31*b30d1939SAndy Fiddaman #define strdup		______strdup
32*b30d1939SAndy Fiddaman #endif
33*b30d1939SAndy Fiddaman #endif
34*b30d1939SAndy Fiddaman 
35da2e3ebdSchin #include <ast.h>
36da2e3ebdSchin 
37*b30d1939SAndy Fiddaman #if defined(_MSVCRT_H)
38*b30d1939SAndy Fiddaman #if defined(__STDPP__directive) && defined(__STDPP__hide)
39*b30d1939SAndy Fiddaman __STDPP__directive pragma pp:nohide strdup
40*b30d1939SAndy Fiddaman #else
41*b30d1939SAndy Fiddaman #undef	strdup
42*b30d1939SAndy Fiddaman #endif
43*b30d1939SAndy Fiddaman #endif
44*b30d1939SAndy Fiddaman 
45da2e3ebdSchin /*
46da2e3ebdSchin  * return a copy of s using malloc
47da2e3ebdSchin  */
48da2e3ebdSchin 
49da2e3ebdSchin #if defined(__EXPORT__)
50da2e3ebdSchin #define extern	__EXPORT__
51da2e3ebdSchin #endif
52da2e3ebdSchin 
53da2e3ebdSchin extern char*
strdup(register const char * s)54da2e3ebdSchin strdup(register const char* s)
55da2e3ebdSchin {
56da2e3ebdSchin 	register char*	t;
57da2e3ebdSchin 	register int	n;
58da2e3ebdSchin 
59*b30d1939SAndy Fiddaman 	return (s && (t = oldof(0, char, n = strlen(s) + 1, 0))) ? (char*)memcpy(t, s, n) : (char*)0;
60da2e3ebdSchin }
61