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 * Time_t conversion support
28 */
29
30#include <tmx.h>
31#include <tv.h>
32
33/*
34 * touch path <atime,mtime,ctime>
35 * (flags&PATH_TOUCH_VERBATIM) treats times verbatim, otherwise:
36 * Time_t==0		current time
37 * Time_t==TMX_NOTIME	retains path value
38 */
39
40int
41tmxtouch(const char* path, Time_t at, Time_t mt, Time_t ct, int flags)
42{
43	Tv_t	av;
44	Tv_t	mv;
45	Tv_t	cv;
46	Tv_t*	ap;
47	Tv_t*	mp;
48	Tv_t*	cp;
49
50	if (at == TMX_NOTIME && !(flags & PATH_TOUCH_VERBATIM))
51		ap = TV_TOUCH_RETAIN;
52	else if (!at && !(flags & PATH_TOUCH_VERBATIM))
53		ap = 0;
54	else
55	{
56		av.tv_sec = tmxsec(at);
57		av.tv_nsec = tmxnsec(at);
58		ap = &av;
59	}
60	if (mt == TMX_NOTIME && !(flags & PATH_TOUCH_VERBATIM))
61		mp = TV_TOUCH_RETAIN;
62	else if (!mt && !(flags & PATH_TOUCH_VERBATIM))
63		mp = 0;
64	else
65	{
66		mv.tv_sec = tmxsec(mt);
67		mv.tv_nsec = tmxnsec(mt);
68		mp = &mv;
69	}
70	if (ct == TMX_NOTIME && !(flags & PATH_TOUCH_VERBATIM))
71		cp = TV_TOUCH_RETAIN;
72	else if (!ct && !(flags & PATH_TOUCH_VERBATIM))
73		cp = 0;
74	else
75	{
76		cv.tv_sec = tmxsec(ct);
77		cv.tv_nsec = tmxnsec(ct);
78		cp = &cv;
79	}
80	return tvtouch(path, ap, mp, cp, flags & 1);
81}
82