1/***********************************************************************
2*                                                                      *
3*               This software is part of the ast package               *
4*          Copyright (c) 1985-2010 AT&T Intellectual Property          *
5*                      and is licensed under the                       *
6*                  Common Public License, Version 1.0                  *
7*                    by AT&T Intellectual Property                     *
8*                                                                      *
9*                A copy of the License is available at                 *
10*            http://www.opensource.org/licenses/cpl1.0.txt             *
11*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
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 * Glenn Fowler
25 * AT&T Research
26 *
27 * convert path to native fs representation in <buf,siz>
28 * length of converted path returned
29 * if return length >= siz then buf is indeterminate, but another call
30 * with siz=length+1 would work
31 * if buf==0 then required size is returned
32 */
33
34#include <ast.h>
35
36#if _UWIN
37
38extern int	uwin_path(const char*, char*, int);
39
40size_t
41pathnative(const char* path, char* buf, size_t siz)
42{
43	return uwin_path(path, buf, siz);
44}
45
46#else
47
48#if __CYGWIN__
49
50extern void	cygwin_conv_to_win32_path(const char*, char*);
51
52size_t
53pathnative(const char* path, char* buf, size_t siz)
54{
55	size_t		n;
56
57	if (!buf || siz < PATH_MAX)
58	{
59		char	tmp[PATH_MAX];
60
61		cygwin_conv_to_win32_path(path, tmp);
62		if ((n = strlen(tmp)) < siz && buf)
63			memcpy(buf, tmp, n + 1);
64		return n;
65	}
66	cygwin_conv_to_win32_path(path, buf);
67	return strlen(buf);
68}
69
70#else
71
72#if __EMX__
73
74size_t
75pathnative(const char* path, char* buf, size_t siz)
76{
77	char*		s;
78	size_t		n;
79
80	if (!_fullpath(buf, path, siz))
81	{
82		for (s = buf; *s; s++)
83			if (*s == '/')
84				*s = '\\';
85	}
86	else if ((n = strlen(path)) < siz && buf)
87		memcpy(buf, path, n + 1);
88	return n;
89}
90
91#else
92
93#if __INTERIX
94
95#include <interix/interix.h>
96
97size_t
98pathnative(const char* path, char* buf, size_t siz)
99{
100	*buf = 0;
101	if (path[1] == ':')
102		strlcpy(buf, path, siz);
103	else
104		unixpath2win(path, 0, buf, siz);
105	return strlen(buf);
106}
107
108#else
109
110size_t
111pathnative(const char* path, char* buf, size_t siz)
112{
113	size_t		n;
114
115	if ((n = strlen(path)) < siz && buf)
116		memcpy(buf, path, n + 1);
117	return n;
118}
119
120#endif
121
122#endif
123
124#endif
125
126#endif
127