1c39934eaSBrian Somers /*- 2c39934eaSBrian Somers * Copyright (c) 1997 Brian Somers <brian@Awfulhak.org> 3c39934eaSBrian Somers * All rights reserved. 4c39934eaSBrian Somers * 5c39934eaSBrian Somers * Redistribution and use in source and binary forms, with or without 6c39934eaSBrian Somers * modification, are permitted provided that the following conditions 7c39934eaSBrian Somers * are met: 8c39934eaSBrian Somers * 1. Redistributions of source code must retain the above copyright 9c39934eaSBrian Somers * notice, this list of conditions and the following disclaimer. 10c39934eaSBrian Somers * 2. Redistributions in binary form must reproduce the above copyright 11c39934eaSBrian Somers * notice, this list of conditions and the following disclaimer in the 12c39934eaSBrian Somers * documentation and/or other materials provided with the distribution. 13c39934eaSBrian Somers * 14c39934eaSBrian Somers * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15c39934eaSBrian Somers * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16c39934eaSBrian Somers * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17c39934eaSBrian Somers * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18c39934eaSBrian Somers * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19c39934eaSBrian Somers * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20c39934eaSBrian Somers * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21c39934eaSBrian Somers * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22c39934eaSBrian Somers * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23c39934eaSBrian Somers * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24c39934eaSBrian Somers * SUCH DAMAGE. 25c39934eaSBrian Somers */ 26c39934eaSBrian Somers 27cbf6f7d3SPhilippe Charnier #ifndef lint 28cbf6f7d3SPhilippe Charnier static const char rcsid[] = 292a456239SPeter Wemm "$FreeBSD$"; 30cbf6f7d3SPhilippe Charnier #endif /* not lint */ 31cbf6f7d3SPhilippe Charnier 327ca215a6SBrian Somers #include <time.h> 337ca215a6SBrian Somers #include <string.h> 347ca215a6SBrian Somers #include <stdlib.h> 357ca215a6SBrian Somers #include "vary.h" 367ca215a6SBrian Somers 377ca215a6SBrian Somers struct trans { 387ca215a6SBrian Somers int val; 397ca215a6SBrian Somers char *str; 407ca215a6SBrian Somers }; 417ca215a6SBrian Somers 427ca215a6SBrian Somers static struct trans trans_mon[] = { 437ca215a6SBrian Somers { 1, "january" }, { 2, "february" }, { 3, "march" }, { 4, "april" }, 443b006d8eSAlfred Perlstein { 5, "may"}, { 6, "june" }, { 7, "july" }, { 8, "august" }, 453b006d8eSAlfred Perlstein { 9, "september" }, { 10, "october" }, { 11, "november" }, { 12, "december" }, 467ca215a6SBrian Somers { -1, NULL } 477ca215a6SBrian Somers }; 487ca215a6SBrian Somers 497ca215a6SBrian Somers static struct trans trans_wday[] = { 507ca215a6SBrian Somers { 0, "sunday" }, { 1, "monday" }, { 2, "tuesday" }, { 3, "wednesday" }, 517ca215a6SBrian Somers { 4, "thursday" }, { 5, "friday" }, { 6, "saturday" }, 527ca215a6SBrian Somers { -1, NULL } 537ca215a6SBrian Somers }; 547ca215a6SBrian Somers 557ca215a6SBrian Somers static char digits[] = "0123456789"; 569263db41SBrian Somers static int adjhour(struct tm *, char, int, int); 57a625bfecSBrian Somers 58a625bfecSBrian Somers static int 59a625bfecSBrian Somers domktime(struct tm *t, char type) 60a625bfecSBrian Somers { 619263db41SBrian Somers time_t ret; 62a625bfecSBrian Somers 639263db41SBrian Somers while ((ret = mktime(t)) == -1 && t->tm_year > 68 && t->tm_year < 138) 649263db41SBrian Somers /* While mktime() fails, adjust by an hour */ 659263db41SBrian Somers adjhour(t, type == '-' ? type : '+', 1, 0); 66a625bfecSBrian Somers 67a625bfecSBrian Somers return ret; 68a625bfecSBrian Somers } 697ca215a6SBrian Somers 707ca215a6SBrian Somers static int 717ca215a6SBrian Somers trans(const struct trans t[], const char *arg) 727ca215a6SBrian Somers { 737ca215a6SBrian Somers int f; 747ca215a6SBrian Somers 757ca215a6SBrian Somers for (f = 0; t[f].val != -1; f++) 76698f86e4SBrian Somers if (!strncasecmp(t[f].str, arg, 3) || 77698f86e4SBrian Somers !strncasecmp(t[f].str, arg, strlen(t[f].str))) 787ca215a6SBrian Somers return t[f].val; 797ca215a6SBrian Somers 807ca215a6SBrian Somers return -1; 817ca215a6SBrian Somers } 827ca215a6SBrian Somers 837ca215a6SBrian Somers struct vary * 84698f86e4SBrian Somers vary_append(struct vary *v, char *arg) 857ca215a6SBrian Somers { 867ca215a6SBrian Somers struct vary *result, **nextp; 877ca215a6SBrian Somers 887ca215a6SBrian Somers if (v) { 897ca215a6SBrian Somers result = v; 907ca215a6SBrian Somers while (v->next) 917ca215a6SBrian Somers v = v->next; 927ca215a6SBrian Somers nextp = &v->next; 937ca215a6SBrian Somers } else 947ca215a6SBrian Somers nextp = &result; 957ca215a6SBrian Somers 967ca215a6SBrian Somers *nextp = (struct vary *)malloc(sizeof(struct vary)); 977ca215a6SBrian Somers (*nextp)->arg = arg; 987ca215a6SBrian Somers (*nextp)->next = NULL; 997ca215a6SBrian Somers return result; 1007ca215a6SBrian Somers } 1017ca215a6SBrian Somers 1027ca215a6SBrian Somers static int mdays[12] = { 31, 0, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; 1037ca215a6SBrian Somers 1047ca215a6SBrian Somers static int 1057ca215a6SBrian Somers daysinmonth(const struct tm *t) 1067ca215a6SBrian Somers { 1077ca215a6SBrian Somers int year; 1087ca215a6SBrian Somers 1097ca215a6SBrian Somers year = t->tm_year + 1900; 1107ca215a6SBrian Somers 1117ca215a6SBrian Somers if (t->tm_mon == 1) 1127ca215a6SBrian Somers if (!(year % 400)) 1137ca215a6SBrian Somers return 29; 1147ca215a6SBrian Somers else if (!(year % 100)) 1157ca215a6SBrian Somers return 28; 1167ca215a6SBrian Somers else if (!(year % 4)) 1177ca215a6SBrian Somers return 29; 1187ca215a6SBrian Somers else 1197ca215a6SBrian Somers return 28; 1207ca215a6SBrian Somers else if (t->tm_mon >= 0 && t->tm_mon < 12) 1217ca215a6SBrian Somers return mdays[t->tm_mon]; 1227ca215a6SBrian Somers 1237ca215a6SBrian Somers return 0; 1247ca215a6SBrian Somers } 1257ca215a6SBrian Somers 1267ca215a6SBrian Somers 1277ca215a6SBrian Somers static int 1289263db41SBrian Somers adjyear(struct tm *t, char type, int val, int mk) 1297ca215a6SBrian Somers { 1307ca215a6SBrian Somers switch (type) { 1317ca215a6SBrian Somers case '+': 1327ca215a6SBrian Somers t->tm_year += val; 1337ca215a6SBrian Somers break; 1347ca215a6SBrian Somers case '-': 1357ca215a6SBrian Somers t->tm_year -= val; 1367ca215a6SBrian Somers break; 1377ca215a6SBrian Somers default: 1387ca215a6SBrian Somers t->tm_year = val; 1397ca215a6SBrian Somers if (t->tm_year < 69) 1407ca215a6SBrian Somers t->tm_year += 100; /* as per date.c */ 1417ca215a6SBrian Somers else if (t->tm_year > 1900) 1427ca215a6SBrian Somers t->tm_year -= 1900; /* struct tm holds years since 1900 */ 1437ca215a6SBrian Somers break; 1447ca215a6SBrian Somers } 1459263db41SBrian Somers return !mk || domktime(t, type) != -1; 1467ca215a6SBrian Somers } 1477ca215a6SBrian Somers 1487ca215a6SBrian Somers static int 1499263db41SBrian Somers adjmon(struct tm *t, char type, int val, int istext, int mk) 1507ca215a6SBrian Somers { 1517ca215a6SBrian Somers if (val < 0) 1527ca215a6SBrian Somers return 0; 1537ca215a6SBrian Somers 1547ca215a6SBrian Somers switch (type) { 1557ca215a6SBrian Somers case '+': 156426e9c1dSWarner Losh if (istext) { 1577ca215a6SBrian Somers if (val <= t->tm_mon) 1587ca215a6SBrian Somers val += 11 - t->tm_mon; /* early next year */ 1597ca215a6SBrian Somers else 1607ca215a6SBrian Somers val -= t->tm_mon + 1; /* later this year */ 161426e9c1dSWarner Losh } 162a625bfecSBrian Somers if (val) { 1639263db41SBrian Somers if (!adjyear(t, '+', (t->tm_mon + val) / 12, 0)) 1647ca215a6SBrian Somers return 0; 1657ca215a6SBrian Somers val %= 12; 1667ca215a6SBrian Somers t->tm_mon += val; 1677ca215a6SBrian Somers if (t->tm_mon > 11) 1687ca215a6SBrian Somers t->tm_mon -= 12; 169a625bfecSBrian Somers } 1707ca215a6SBrian Somers break; 1717ca215a6SBrian Somers 1727ca215a6SBrian Somers case '-': 173426e9c1dSWarner Losh if (istext) { 1747ca215a6SBrian Somers if (val-1 > t->tm_mon) 1757ca215a6SBrian Somers val = 13 - val + t->tm_mon; /* later last year */ 1767ca215a6SBrian Somers else 1777ca215a6SBrian Somers val = t->tm_mon - val + 1; /* early this year */ 178426e9c1dSWarner Losh } 179a625bfecSBrian Somers if (val) { 1809263db41SBrian Somers if (!adjyear(t, '-', val / 12, 0)) 1817ca215a6SBrian Somers return 0; 1827ca215a6SBrian Somers val %= 12; 1837ca215a6SBrian Somers if (val > t->tm_mon) { 1849263db41SBrian Somers if (!adjyear(t, '-', 1, 0)) 1857ca215a6SBrian Somers return 0; 1867ca215a6SBrian Somers val -= 12; 1877ca215a6SBrian Somers } 1887ca215a6SBrian Somers t->tm_mon -= val; 189a625bfecSBrian Somers } 1907ca215a6SBrian Somers break; 1917ca215a6SBrian Somers 1927ca215a6SBrian Somers default: 1937ca215a6SBrian Somers if (val > 12 || val < 1) 1947ca215a6SBrian Somers return 0; 1957ca215a6SBrian Somers t->tm_mon = --val; 1967ca215a6SBrian Somers } 1977ca215a6SBrian Somers 1989263db41SBrian Somers return !mk || domktime(t, type) != -1; 1997ca215a6SBrian Somers } 2007ca215a6SBrian Somers 2017ca215a6SBrian Somers static int 2029263db41SBrian Somers adjday(struct tm *t, char type, int val, int mk) 2037ca215a6SBrian Somers { 2047ca215a6SBrian Somers int mdays; 205a625bfecSBrian Somers 2067ca215a6SBrian Somers switch (type) { 2077ca215a6SBrian Somers case '+': 2087ca215a6SBrian Somers while (val) { 2097ca215a6SBrian Somers mdays = daysinmonth(t); 2107ca215a6SBrian Somers if (val > mdays - t->tm_mday) { 2117ca215a6SBrian Somers val -= mdays - t->tm_mday + 1; 2127ca215a6SBrian Somers t->tm_mday = 1; 2139263db41SBrian Somers if (!adjmon(t, '+', 1, 0, 0)) 2147ca215a6SBrian Somers return 0; 2157ca215a6SBrian Somers } else { 2167ca215a6SBrian Somers t->tm_mday += val; 2177ca215a6SBrian Somers val = 0; 2187ca215a6SBrian Somers } 2197ca215a6SBrian Somers } 2207ca215a6SBrian Somers break; 2217ca215a6SBrian Somers case '-': 2227ca215a6SBrian Somers while (val) 2237ca215a6SBrian Somers if (val >= t->tm_mday) { 2247ca215a6SBrian Somers val -= t->tm_mday; 2257ca215a6SBrian Somers t->tm_mday = 1; 2269263db41SBrian Somers if (!adjmon(t, '-', 1, 0, 0)) 2277ca215a6SBrian Somers return 0; 2287ca215a6SBrian Somers t->tm_mday = daysinmonth(t); 2297ca215a6SBrian Somers } else { 2307ca215a6SBrian Somers t->tm_mday -= val; 2317ca215a6SBrian Somers val = 0; 2327ca215a6SBrian Somers } 2337ca215a6SBrian Somers break; 2347ca215a6SBrian Somers default: 2357ca215a6SBrian Somers if (val > 0 && val <= daysinmonth(t)) 2367ca215a6SBrian Somers t->tm_mday = val; 2377ca215a6SBrian Somers else 2387ca215a6SBrian Somers return 0; 2397ca215a6SBrian Somers break; 2407ca215a6SBrian Somers } 2417ca215a6SBrian Somers 2429263db41SBrian Somers return !mk || domktime(t, type) != -1; 2437ca215a6SBrian Somers } 2447ca215a6SBrian Somers 2457ca215a6SBrian Somers static int 2469263db41SBrian Somers adjwday(struct tm *t, char type, int val, int istext, int mk) 2477ca215a6SBrian Somers { 2487ca215a6SBrian Somers if (val < 0) 2497ca215a6SBrian Somers return 0; 2507ca215a6SBrian Somers 251698f86e4SBrian Somers switch (type) { 2527ca215a6SBrian Somers case '+': 2537ca215a6SBrian Somers if (istext) 2547ca215a6SBrian Somers if (val < t->tm_wday) 2557ca215a6SBrian Somers val = 7 - t->tm_wday + val; /* early next week */ 2567ca215a6SBrian Somers else 2577ca215a6SBrian Somers val -= t->tm_wday; /* later this week */ 2587ca215a6SBrian Somers else 259a625bfecSBrian Somers val *= 7; /* "-v+5w" == "5 weeks in the future" */ 2607ecff35bSBrian Somers return !val || adjday(t, '+', val, mk); 2617ca215a6SBrian Somers case '-': 262a625bfecSBrian Somers if (istext) { 2637ca215a6SBrian Somers if (val > t->tm_wday) 2647ca215a6SBrian Somers val = 7 - val + t->tm_wday; /* later last week */ 2657ca215a6SBrian Somers else 2667ca215a6SBrian Somers val = t->tm_wday - val; /* early this week */ 267a625bfecSBrian Somers } else 268a625bfecSBrian Somers val *= 7; /* "-v-5w" == "5 weeks ago" */ 2697ecff35bSBrian Somers return !val || adjday(t, '-', val, mk); 2707ca215a6SBrian Somers default: 2717ca215a6SBrian Somers if (val < t->tm_wday) 2727ecff35bSBrian Somers return adjday(t, '-', t->tm_wday - val, mk); 2737ca215a6SBrian Somers else if (val > 6) 2747ca215a6SBrian Somers return 0; 2757ca215a6SBrian Somers else if (val > t->tm_wday) 2767ecff35bSBrian Somers return adjday(t, '+', val - t->tm_wday, mk); 2777ca215a6SBrian Somers } 2787ca215a6SBrian Somers return 1; 2797ca215a6SBrian Somers } 2807ca215a6SBrian Somers 2817ca215a6SBrian Somers static int 2829263db41SBrian Somers adjhour(struct tm *t, char type, int val, int mk) 2837ca215a6SBrian Somers { 284698f86e4SBrian Somers if (val < 0) 285698f86e4SBrian Somers return 0; 286698f86e4SBrian Somers 287698f86e4SBrian Somers switch (type) { 2887ca215a6SBrian Somers case '+': 289a625bfecSBrian Somers if (val) { 290a625bfecSBrian Somers int days; 291a625bfecSBrian Somers 292a625bfecSBrian Somers days = (t->tm_hour + val) / 24; 293698f86e4SBrian Somers val %= 24; 294698f86e4SBrian Somers t->tm_hour += val; 295a625bfecSBrian Somers t->tm_hour %= 24; 2969263db41SBrian Somers if (!adjday(t, '+', days, 0)) 297a625bfecSBrian Somers return 0; 298a625bfecSBrian Somers } 299698f86e4SBrian Somers break; 300698f86e4SBrian Somers 3017ca215a6SBrian Somers case '-': 302a625bfecSBrian Somers if (val) { 303a625bfecSBrian Somers int days; 304a625bfecSBrian Somers 305a625bfecSBrian Somers days = val / 24; 306698f86e4SBrian Somers val %= 24; 307698f86e4SBrian Somers if (val > t->tm_hour) { 308a625bfecSBrian Somers days++; 309698f86e4SBrian Somers val -= 24; 3107ca215a6SBrian Somers } 311698f86e4SBrian Somers t->tm_hour -= val; 3129263db41SBrian Somers if (!adjday(t, '-', days, 0)) 313a625bfecSBrian Somers return 0; 314a625bfecSBrian Somers } 315698f86e4SBrian Somers break; 316698f86e4SBrian Somers 317698f86e4SBrian Somers default: 318698f86e4SBrian Somers if (val > 23) 319698f86e4SBrian Somers return 0; 320698f86e4SBrian Somers t->tm_hour = val; 321698f86e4SBrian Somers } 322698f86e4SBrian Somers 3239263db41SBrian Somers return !mk || domktime(t, type) != -1; 324698f86e4SBrian Somers } 325698f86e4SBrian Somers 326698f86e4SBrian Somers static int 3279263db41SBrian Somers adjmin(struct tm *t, char type, int val, int mk) 328698f86e4SBrian Somers { 329698f86e4SBrian Somers if (val < 0) 330698f86e4SBrian Somers return 0; 331698f86e4SBrian Somers 332698f86e4SBrian Somers switch (type) { 333698f86e4SBrian Somers case '+': 334a625bfecSBrian Somers if (val) { 3359263db41SBrian Somers if (!adjhour(t, '+', (t->tm_min + val) / 60, 0)) 336698f86e4SBrian Somers return 0; 337698f86e4SBrian Somers val %= 60; 338698f86e4SBrian Somers t->tm_min += val; 339698f86e4SBrian Somers if (t->tm_min > 59) 340698f86e4SBrian Somers t->tm_min -= 60; 341a625bfecSBrian Somers } 342698f86e4SBrian Somers break; 343698f86e4SBrian Somers 344698f86e4SBrian Somers case '-': 345a625bfecSBrian Somers if (val) { 3469263db41SBrian Somers if (!adjhour(t, '-', val / 60, 0)) 347698f86e4SBrian Somers return 0; 348698f86e4SBrian Somers val %= 60; 349698f86e4SBrian Somers if (val > t->tm_min) { 3509263db41SBrian Somers if (!adjhour(t, '-', 1, 0)) 351698f86e4SBrian Somers return 0; 352698f86e4SBrian Somers val -= 60; 353698f86e4SBrian Somers } 354698f86e4SBrian Somers t->tm_min -= val; 355a625bfecSBrian Somers } 356698f86e4SBrian Somers break; 357698f86e4SBrian Somers 358698f86e4SBrian Somers default: 359698f86e4SBrian Somers if (val > 59) 360698f86e4SBrian Somers return 0; 361698f86e4SBrian Somers t->tm_min = val; 362698f86e4SBrian Somers } 363698f86e4SBrian Somers 3649263db41SBrian Somers return !mk || domktime(t, type) != -1; 3657ca215a6SBrian Somers } 3667ca215a6SBrian Somers 367269dfbeeSBrian Somers static int 3689263db41SBrian Somers adjsec(struct tm *t, char type, int val, int mk) 369269dfbeeSBrian Somers { 370269dfbeeSBrian Somers if (val < 0) 371269dfbeeSBrian Somers return 0; 372269dfbeeSBrian Somers 373269dfbeeSBrian Somers switch (type) { 374269dfbeeSBrian Somers case '+': 375a625bfecSBrian Somers if (val) { 3769263db41SBrian Somers if (!adjmin(t, '+', (t->tm_sec + val) / 60, 0)) 377269dfbeeSBrian Somers return 0; 378269dfbeeSBrian Somers val %= 60; 379269dfbeeSBrian Somers t->tm_sec += val; 380269dfbeeSBrian Somers if (t->tm_sec > 59) 381269dfbeeSBrian Somers t->tm_sec -= 60; 382a625bfecSBrian Somers } 383269dfbeeSBrian Somers break; 384269dfbeeSBrian Somers 385269dfbeeSBrian Somers case '-': 386a625bfecSBrian Somers if (val) { 3879263db41SBrian Somers if (!adjmin(t, '-', val / 60, 0)) 388269dfbeeSBrian Somers return 0; 389269dfbeeSBrian Somers val %= 60; 390269dfbeeSBrian Somers if (val > t->tm_sec) { 3919263db41SBrian Somers if (!adjmin(t, '-', 1, 0)) 392269dfbeeSBrian Somers return 0; 393269dfbeeSBrian Somers val -= 60; 394269dfbeeSBrian Somers } 395269dfbeeSBrian Somers t->tm_sec -= val; 396a625bfecSBrian Somers } 397269dfbeeSBrian Somers break; 398269dfbeeSBrian Somers 399269dfbeeSBrian Somers default: 400269dfbeeSBrian Somers if (val > 59) 401269dfbeeSBrian Somers return 0; 402269dfbeeSBrian Somers t->tm_sec = val; 403269dfbeeSBrian Somers } 404269dfbeeSBrian Somers 4059263db41SBrian Somers return !mk || domktime(t, type) != -1; 406269dfbeeSBrian Somers } 407269dfbeeSBrian Somers 4087ca215a6SBrian Somers const struct vary * 4097ca215a6SBrian Somers vary_apply(const struct vary *v, struct tm *t) 4107ca215a6SBrian Somers { 411698f86e4SBrian Somers char type; 412698f86e4SBrian Somers char which; 413698f86e4SBrian Somers char *arg; 414698f86e4SBrian Somers int len; 415698f86e4SBrian Somers int val; 416698f86e4SBrian Somers 4177ca215a6SBrian Somers for (; v; v = v->next) { 418698f86e4SBrian Somers type = *v->arg; 419698f86e4SBrian Somers arg = v->arg; 420698f86e4SBrian Somers if (type == '+' || type == '-') 421698f86e4SBrian Somers arg++; 422698f86e4SBrian Somers else 423698f86e4SBrian Somers type = '\0'; 424698f86e4SBrian Somers len = strlen(arg); 425698f86e4SBrian Somers if (len < 2) 4267ca215a6SBrian Somers return v; 427698f86e4SBrian Somers 4289263db41SBrian Somers if (type == '\0') 4299263db41SBrian Somers t->tm_isdst = -1; 4309263db41SBrian Somers 431698f86e4SBrian Somers if (strspn(arg, digits) != len-1) { 432698f86e4SBrian Somers val = trans(trans_wday, arg); 433698f86e4SBrian Somers if (val != -1) { 4349263db41SBrian Somers if (!adjwday(t, type, val, 1, 1)) 4357ca215a6SBrian Somers return v; 436698f86e4SBrian Somers } else { 437698f86e4SBrian Somers val = trans(trans_mon, arg); 438698f86e4SBrian Somers if (val != -1) { 4399263db41SBrian Somers if (!adjmon(t, type, val, 1, 1)) 440698f86e4SBrian Somers return v; 441698f86e4SBrian Somers } else 442698f86e4SBrian Somers return v; 443698f86e4SBrian Somers } 444698f86e4SBrian Somers } else { 445698f86e4SBrian Somers val = atoi(arg); 446698f86e4SBrian Somers which = arg[len-1]; 447698f86e4SBrian Somers 448698f86e4SBrian Somers switch (which) { 449269dfbeeSBrian Somers case 'S': 4509263db41SBrian Somers if (!adjsec(t, type, val, 1)) 451269dfbeeSBrian Somers return v; 452269dfbeeSBrian Somers break; 4537ca215a6SBrian Somers case 'M': 4549263db41SBrian Somers if (!adjmin(t, type, val, 1)) 4557ca215a6SBrian Somers return v; 4567ca215a6SBrian Somers break; 457698f86e4SBrian Somers case 'H': 4589263db41SBrian Somers if (!adjhour(t, type, val, 1)) 459698f86e4SBrian Somers return v; 460698f86e4SBrian Somers break; 461698f86e4SBrian Somers case 'd': 4629263db41SBrian Somers t->tm_isdst = -1; 4639263db41SBrian Somers if (!adjday(t, type, val, 1)) 464698f86e4SBrian Somers return v; 465698f86e4SBrian Somers break; 466698f86e4SBrian Somers case 'w': 4679263db41SBrian Somers t->tm_isdst = -1; 4689263db41SBrian Somers if (!adjwday(t, type, val, 0, 1)) 469698f86e4SBrian Somers return v; 470698f86e4SBrian Somers break; 471698f86e4SBrian Somers case 'm': 4729263db41SBrian Somers t->tm_isdst = -1; 4739263db41SBrian Somers if (!adjmon(t, type, val, 0, 1)) 474698f86e4SBrian Somers return v; 475698f86e4SBrian Somers break; 476698f86e4SBrian Somers case 'y': 4779263db41SBrian Somers t->tm_isdst = -1; 4789263db41SBrian Somers if (!adjyear(t, type, val, 1)) 4797ca215a6SBrian Somers return v; 4807ca215a6SBrian Somers break; 4817ca215a6SBrian Somers default: 4827ca215a6SBrian Somers return v; 4837ca215a6SBrian Somers } 4847ca215a6SBrian Somers } 485698f86e4SBrian Somers } 4867ca215a6SBrian Somers return 0; 4877ca215a6SBrian Somers } 4887ca215a6SBrian Somers 4897ca215a6SBrian Somers void 4907ca215a6SBrian Somers vary_destroy(struct vary *v) 4917ca215a6SBrian Somers { 4927ca215a6SBrian Somers struct vary *n; 4937ca215a6SBrian Somers 4947ca215a6SBrian Somers while (v) { 4957ca215a6SBrian Somers n = v->next; 4967ca215a6SBrian Somers free(v); 4977ca215a6SBrian Somers v = n; 4987ca215a6SBrian Somers } 4997ca215a6SBrian Somers } 500