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 53 extern char* 54 strdup(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