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 * 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