Imported Upstream version 93u+upstream

1 files changed, 60 insertions, 0 deletions

diff --git a/src/lib/libast/string/strdup.c b/src/lib/libast/string/strdup.c
new file mode 100644
index 0000000..7237fb7
--- /dev/null
+++ b/src/lib/libast/string/strdup.c
@@ -0,0 +1,60 @@
+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*          Copyright (c) 1985-2011 AT&T Intellectual Property          *
+*                      and is licensed under the                       *
+*                 Eclipse Public License, Version 1.0                  *
+*                    by AT&T Intellectual Property                     *
+*                                                                      *
+*                A copy of the License is available at                 *
+*          http://www.eclipse.org/org/documents/epl-v10.html           *
+*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
+*                                                                      *
+*              Information and Software Systems Research               *
+*                            AT&T Research                             *
+*                           Florham Park NJ                            *
+*                                                                      *
+*                 Glenn Fowler <gsf@research.att.com>                  *
+*                  David Korn <dgk@research.att.com>                   *
+*                   Phong Vo <kpv@research.att.com>                    *
+*                                                                      *
+***********************************************************************/
+#pragma prototyped
+
+#undef	VMDEBUG
+#define	VMDEBUG		0
+
+#if defined(_MSVCRT_H)
+#if defined(__STDPP__directive) && defined(__STDPP__hide)
+__STDPP__directive pragma pp:hide strdup
+#else
+#define strdup		______strdup
+#endif
+#endif
+
+#include <ast.h>
+
+#if defined(_MSVCRT_H)
+#if defined(__STDPP__directive) && defined(__STDPP__hide)
+__STDPP__directive pragma pp:nohide strdup
+#else
+#undef	strdup
+#endif
+#endif
+
+/*
+ * return a copy of s using malloc
+ */
+
+#if defined(__EXPORT__)
+#define extern	__EXPORT__
+#endif
+
+extern char*
+strdup(register const char* s)
+{
+	register char*	t;
+	register int	n;
+
+	return (s && (t = newof(0, char, n = strlen(s) + 1, 0))) ? (char*)memcpy(t, s, n) : (char*)0;
+}