1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 5 * and is licensed under the * 6 * Common Public License, Version 1.0 * 7 * by AT&T Knowledge Ventures * 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 40 int 41 tmxtouch(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