mirror of
git://git.code.sf.net/p/cdesktopenv/code
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82 lines
2.7 KiB
C
82 lines
2.7 KiB
C
/***********************************************************************
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* *
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* This software is part of the ast package *
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* Copyright (c) 1985-2011 AT&T Intellectual Property *
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* Copyright (c) 2020-2021 Contributors to ksh 93u+m *
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* and is licensed under the *
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* Eclipse Public License, Version 1.0 *
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* by AT&T Intellectual Property *
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* *
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* A copy of the License is available at *
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* http://www.eclipse.org/org/documents/epl-v10.html *
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* (with md5 checksum b35adb5213ca9657e911e9befb180842) *
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* *
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* Information and Software Systems Research *
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* AT&T Research *
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* Florham Park NJ *
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* *
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* Glenn Fowler <gsf@research.att.com> *
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* David Korn <dgk@research.att.com> *
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* Phong Vo <kpv@research.att.com> *
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* *
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***********************************************************************/
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#pragma prototyped
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/*
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* Glenn Fowler
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* AT&T Research
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*
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* Time_t conversion support
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*/
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#include <tmx.h>
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#include <tv.h>
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/*
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* touch path <atime,mtime,ctime>
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* (flags&PATH_TOUCH_VERBATIM) treats times verbatim, otherwise:
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* Time_t==0 current time
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* Time_t==TMX_NOTIME retains path value
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*/
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int
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tmxtouch(const char* path, Time_t at, Time_t mt, Time_t ct, int flags)
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{
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Tv_t av;
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Tv_t mv;
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Tv_t cv;
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Tv_t* ap;
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Tv_t* mp;
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Tv_t* cp;
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if (at == TMX_NOTIME && !(flags & PATH_TOUCH_VERBATIM))
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ap = TV_TOUCH_RETAIN;
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else if (!at && !(flags & PATH_TOUCH_VERBATIM))
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ap = 0;
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else
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{
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av.tv_sec = tmxsec(at);
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av.tv_nsec = tmxnsec(at);
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ap = &av;
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}
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if (mt == TMX_NOTIME && !(flags & PATH_TOUCH_VERBATIM))
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mp = TV_TOUCH_RETAIN;
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else if (!mt && !(flags & PATH_TOUCH_VERBATIM))
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mp = 0;
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else
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{
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mv.tv_sec = tmxsec(mt);
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mv.tv_nsec = tmxnsec(mt);
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mp = &mv;
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}
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if (ct == TMX_NOTIME && !(flags & PATH_TOUCH_VERBATIM))
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cp = TV_TOUCH_RETAIN;
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else if (!ct && !(flags & PATH_TOUCH_VERBATIM))
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cp = 0;
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else
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{
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cv.tv_sec = tmxsec(ct);
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cv.tv_nsec = tmxnsec(ct);
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cp = &cv;
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}
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return tvtouch(path, ap, mp, cp, flags & 1);
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}
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