1/***********************************************************************
2*                                                                      *
3*               This software is part of the ast package               *
4*          Copyright (c) 1985-2011 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 * realpath implementation
25 */
26
27#define realpath	______realpath
28#define resolvepath	______resolvepath
29
30#include <ast.h>
31
32#undef	realpath
33#undef	resolvepath
34
35#undef	_def_map_ast
36#include <ast_map.h>
37
38extern int		resolvepath(const char*, char*, size_t);
39
40#if defined(__EXPORT__)
41#define extern	__EXPORT__
42#endif
43
44extern char*
45realpath(const char* file, char* path)
46{
47	return resolvepath(file, path, PATH_MAX) > 0 ? path : (char*)0;
48}
49