/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2011 AT&T Intellectual Property *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.opensource.org/licenses/cpl1.0.txt *
* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
* *
* 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
/*
* Glenn Fowler
* AT&T Research
*
* Time_t conversion support
*/
#include <tmx.h>
#include <tv.h>
/*
* touch path <atime,mtime,ctime>
* (flags&PATH_TOUCH_VERBATIM) treats times verbatim, otherwise:
* Time_t==0 current time
* Time_t==TMX_NOTIME retains path value
*/
int
tmxtouch(const char* path, Time_t at, Time_t mt, Time_t ct, int flags)
{
Tv_t av;
Tv_t mv;
Tv_t cv;
Tv_t* ap;
Tv_t* mp;
Tv_t* cp;
if (at == TMX_NOTIME && !(flags & PATH_TOUCH_VERBATIM))
ap = TV_TOUCH_RETAIN;
else if (!at && !(flags & PATH_TOUCH_VERBATIM))
ap = 0;
else
{
av.tv_sec = tmxsec(at);
av.tv_nsec = tmxnsec(at);
ap = &av;
}
if (mt == TMX_NOTIME && !(flags & PATH_TOUCH_VERBATIM))
mp = TV_TOUCH_RETAIN;
else if (!mt && !(flags & PATH_TOUCH_VERBATIM))
mp = 0;
else
{
mv.tv_sec = tmxsec(mt);
mv.tv_nsec = tmxnsec(mt);
mp = &mv;
}
if (ct == TMX_NOTIME && !(flags & PATH_TOUCH_VERBATIM))
cp = TV_TOUCH_RETAIN;
else if (!ct && !(flags & PATH_TOUCH_VERBATIM))
cp = 0;
else
{
cv.tv_sec = tmxsec(ct);
cv.tv_nsec = tmxnsec(ct);
cp = &cv;
}
return tvtouch(path, ap, mp, cp, flags & 1);
}