Annotation of src/usr.bin/cvs/rcstime.c, Revision 1.1
1.1 ! xsa 1: /* $OpenBSD$ */
! 2: /*
! 3: * Copyright (c) 2006 Joris Vink <joris@openbsd.org>
! 4: * All rights reserved.
! 5: *
! 6: * Redistribution and use in source and binary forms, with or without
! 7: * modification, are permitted provided that the following conditions
! 8: * are met:
! 9: *
! 10: * 1. Redistributions of source code must retain the above copyright
! 11: * notice, this list of conditions and the following disclaimer.
! 12: * 2. The name of the author may not be used to endorse or promote products
! 13: * derived from this software without specific prior written permission.
! 14: *
! 15: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
! 16: * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
! 17: * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
! 18: * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
! 19: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
! 20: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
! 21: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
! 22: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
! 23: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
! 24: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 25: */
! 26:
! 27: #include "includes.h"
! 28:
! 29: #include "log.h"
! 30: #include "rcs.h"
! 31:
! 32:
! 33: struct tm *
! 34: rcs_set_tz(char *tz, struct rcs_delta *rdp)
! 35: {
! 36: int tzone;
! 37: char *h, *m;
! 38: struct tm *tb, ltb;
! 39: time_t now;
! 40:
! 41: tb = &rdp->rd_date;
! 42:
! 43: if (!strcmp(tz, "LT")) {
! 44: now = mktime(&rdp->rd_date);
! 45: tb = localtime(&now);
! 46: tb->tm_hour += ((int)tb->tm_gmtoff/3600);
! 47: } else {
! 48: switch (*tz) {
! 49: case '-':
! 50: case '+':
! 51: break;
! 52: default:
! 53: fatal("%s: not a known time zone", tz);
! 54: }
! 55:
! 56: h = tz;
! 57: if ((m = strrchr(tz, ':')) != NULL)
! 58: *(m++) = '\0';
! 59:
! 60: ltb = rdp->rd_date;
! 61: tb = <b;
! 62:
! 63: tzone = atoi(h);
! 64: if ((tzone >= 24) && (tzone <= -24))
! 65: fatal("%s: not a known time zone", tz);
! 66:
! 67: tb->tm_hour += tzone;
! 68: if ((tb->tm_hour >= 24) && (tb->tm_hour <= -24))
! 69: tb->tm_hour = 0;
! 70:
! 71: tb->tm_gmtoff += (tzone*3600);
! 72:
! 73: if (m != NULL) {
! 74: tzone = atoi(m);
! 75: if (tzone >= 60)
! 76: fatal("%s: not a known time zone", tz);
! 77:
! 78: if ((tb->tm_min + tzone) >= 60) {
! 79: tb->tm_hour++;
! 80: tb->tm_min -= tzone;
! 81: } else
! 82: tb->tm_min += tzone;
! 83:
! 84: tb->tm_gmtoff += (tzone*60);
! 85: }
! 86: }
! 87:
! 88: return (tb);
! 89: }