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- /*
- * The MIT License (MIT)
- *
- * Copyright (c) 2015 Derick Rethans
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
- #include "timelib.h"
- #include <ctype.h>
- #include <math.h>
- #define TIMELIB_TIME_FREE(m) \
- if (m) { \
- timelib_free(m); \
- m = NULL; \
- } \
- #define TIMELIB_LLABS(y) (y < 0 ? (y * -1) : y)
- #define HOUR(a) (int)(a * 60)
- timelib_time* timelib_time_ctor(void)
- {
- timelib_time *t;
- t = timelib_calloc(1, sizeof(timelib_time));
- return t;
- }
- timelib_rel_time* timelib_rel_time_ctor(void)
- {
- timelib_rel_time *t;
- t = timelib_calloc(1, sizeof(timelib_rel_time));
- return t;
- }
- timelib_time* timelib_time_clone(timelib_time *orig)
- {
- timelib_time *tmp = timelib_time_ctor();
- memcpy(tmp, orig, sizeof(timelib_time));
- if (orig->tz_abbr) {
- tmp->tz_abbr = timelib_strdup(orig->tz_abbr);
- }
- if (orig->tz_info) {
- tmp->tz_info = orig->tz_info;
- }
- return tmp;
- }
- int timelib_time_compare(timelib_time *t1, timelib_time *t2)
- {
- if (t1->sse == t2->sse) {
- if (t1->f == t2->f) {
- return 0;
- }
- if (t1->sse < 0) {
- return (t1->f < t2->f) ? 1 : -1;
- } else {
- return (t1->f < t2->f) ? -1 : 1;
- }
- }
- return (t1->sse < t2->sse) ? -1 : 1;
- }
- timelib_rel_time* timelib_rel_time_clone(timelib_rel_time *rel)
- {
- timelib_rel_time *tmp = timelib_rel_time_ctor();
- memcpy(tmp, rel, sizeof(timelib_rel_time));
- return tmp;
- }
- void timelib_time_tz_abbr_update(timelib_time* tm, char* tz_abbr)
- {
- unsigned int i;
- size_t tz_abbr_len = strlen(tz_abbr);
- TIMELIB_TIME_FREE(tm->tz_abbr);
- tm->tz_abbr = timelib_strdup(tz_abbr);
- for (i = 0; i < tz_abbr_len; i++) {
- tm->tz_abbr[i] = toupper(tz_abbr[i]);
- }
- }
- void timelib_time_dtor(timelib_time* t)
- {
- TIMELIB_TIME_FREE(t->tz_abbr);
- TIMELIB_TIME_FREE(t);
- }
- void timelib_rel_time_dtor(timelib_rel_time* t)
- {
- TIMELIB_TIME_FREE(t);
- }
- timelib_time_offset* timelib_time_offset_ctor(void)
- {
- timelib_time_offset *t;
- t = timelib_calloc(1, sizeof(timelib_time_offset));
- return t;
- }
- void timelib_time_offset_dtor(timelib_time_offset* t)
- {
- TIMELIB_TIME_FREE(t->abbr);
- TIMELIB_TIME_FREE(t);
- }
- timelib_tzinfo* timelib_tzinfo_ctor(char *name)
- {
- timelib_tzinfo *t;
- t = timelib_calloc(1, sizeof(timelib_tzinfo));
- t->name = timelib_strdup(name);
- return t;
- }
- timelib_tzinfo *timelib_tzinfo_clone(timelib_tzinfo *tz)
- {
- timelib_tzinfo *tmp = timelib_tzinfo_ctor(tz->name);
- tmp->bit32.ttisgmtcnt = tz->bit32.ttisgmtcnt;
- tmp->bit32.ttisstdcnt = tz->bit32.ttisstdcnt;
- tmp->bit32.leapcnt = tz->bit32.leapcnt;
- tmp->bit32.timecnt = tz->bit32.timecnt;
- tmp->bit32.typecnt = tz->bit32.typecnt;
- tmp->bit32.charcnt = tz->bit32.charcnt;
- tmp->trans = (int32_t *) timelib_malloc(tz->bit32.timecnt * sizeof(int32_t));
- tmp->trans_idx = (unsigned char*) timelib_malloc(tz->bit32.timecnt * sizeof(unsigned char));
- memcpy(tmp->trans, tz->trans, tz->bit32.timecnt * sizeof(int32_t));
- memcpy(tmp->trans_idx, tz->trans_idx, tz->bit32.timecnt * sizeof(unsigned char));
- tmp->type = (ttinfo*) timelib_malloc(tz->bit32.typecnt * sizeof(struct ttinfo));
- memcpy(tmp->type, tz->type, tz->bit32.typecnt * sizeof(struct ttinfo));
- tmp->timezone_abbr = (char*) timelib_malloc(tz->bit32.charcnt);
- memcpy(tmp->timezone_abbr, tz->timezone_abbr, tz->bit32.charcnt);
- tmp->leap_times = (tlinfo*) timelib_malloc(tz->bit32.leapcnt * sizeof(tlinfo));
- memcpy(tmp->leap_times, tz->leap_times, tz->bit32.leapcnt * sizeof(tlinfo));
- return tmp;
- }
- void timelib_tzinfo_dtor(timelib_tzinfo *tz)
- {
- TIMELIB_TIME_FREE(tz->name);
- TIMELIB_TIME_FREE(tz->trans);
- TIMELIB_TIME_FREE(tz->trans_idx);
- TIMELIB_TIME_FREE(tz->type);
- TIMELIB_TIME_FREE(tz->timezone_abbr);
- TIMELIB_TIME_FREE(tz->leap_times);
- TIMELIB_TIME_FREE(tz->location.comments);
- TIMELIB_TIME_FREE(tz);
- tz = NULL;
- }
- char *timelib_get_tz_abbr_ptr(timelib_time *t)
- {
- if (!t->sse_uptodate) {
- timelib_update_ts(t, NULL);
- };
- return t->tz_abbr;
- }
- void timelib_error_container_dtor(timelib_error_container *errors)
- {
- int i;
- for (i = 0; i < errors->warning_count; i++) {
- timelib_free(errors->warning_messages[i].message);
- }
- timelib_free(errors->warning_messages);
- for (i = 0; i < errors->error_count; i++) {
- timelib_free(errors->error_messages[i].message);
- }
- timelib_free(errors->error_messages);
- timelib_free(errors);
- }
- timelib_long timelib_date_to_int(timelib_time *d, int *error)
- {
- timelib_sll ts;
- ts = d->sse;
- if (ts < TIMELIB_LONG_MIN || ts > TIMELIB_LONG_MAX) {
- if (error) {
- *error = 1;
- }
- return 0;
- }
- if (error) {
- *error = 0;
- }
- return (timelib_long) d->sse;
- }
- void timelib_decimal_hour_to_hms(double h, int *hour, int *min, int *sec)
- {
- *hour = floor(h);
- *min = floor((h - *hour) * 60);
- *sec = (h - *hour - ((float) *min / 60)) * 3600;
- }
- void timelib_dump_date(timelib_time *d, int options)
- {
- if ((options & 2) == 2) {
- printf("TYPE: %d ", d->zone_type);
- }
- printf("TS: %lld | %s%04lld-%02lld-%02lld %02lld:%02lld:%02lld",
- d->sse, d->y < 0 ? "-" : "", TIMELIB_LLABS(d->y), d->m, d->d, d->h, d->i, d->s);
- if (d->f > +0.0) {
- printf(" %.5f", d->f);
- }
- if (d->is_localtime) {
- switch (d->zone_type) {
- case TIMELIB_ZONETYPE_OFFSET: /* Only offset */
- printf(" GMT %05d%s", d->z, d->dst == 1 ? " (DST)" : "");
- break;
- case TIMELIB_ZONETYPE_ID: /* Timezone struct */
- /* Show abbreviation if wanted */
- if (d->tz_abbr) {
- printf(" %s", d->tz_abbr);
- }
- /* Do we have a TimeZone struct? */
- if (d->tz_info) {
- printf(" %s", d->tz_info->name);
- }
- break;
- case TIMELIB_ZONETYPE_ABBR:
- printf(" %s", d->tz_abbr);
- printf(" %05d%s", d->z, d->dst == 1 ? " (DST)" : "");
- break;
- }
- }
- if ((options & 1) == 1) {
- if (d->have_relative) {
- printf("%3lldY %3lldM %3lldD / %3lldH %3lldM %3lldS",
- d->relative.y, d->relative.m, d->relative.d, d->relative.h, d->relative.i, d->relative.s);
- if (d->relative.first_last_day_of != 0) {
- switch (d->relative.first_last_day_of) {
- case 1:
- printf(" / first day of");
- break;
- case 2:
- printf(" / last day of");
- break;
- }
- }
- if (d->relative.have_weekday_relative) {
- printf(" / %d.%d", d->relative.weekday, d->relative.weekday_behavior);
- }
- if (d->relative.have_special_relative) {
- switch (d->relative.special.type) {
- case TIMELIB_SPECIAL_WEEKDAY:
- printf(" / %lld weekday", d->relative.special.amount);
- break;
- case TIMELIB_SPECIAL_DAY_OF_WEEK_IN_MONTH:
- printf(" / x y of z month");
- break;
- case TIMELIB_SPECIAL_LAST_DAY_OF_WEEK_IN_MONTH:
- printf(" / last y of z month");
- break;
- }
- }
- }
- }
- printf("\n");
- }
- void timelib_dump_rel_time(timelib_rel_time *d)
- {
- printf("%3lldY %3lldM %3lldD / %3lldH %3lldM %3lldS (days: %lld)%s",
- d->y, d->m, d->d, d->h, d->i, d->s, d->days, d->invert ? " inverted" : "");
- if (d->first_last_day_of != 0) {
- switch (d->first_last_day_of) {
- case 1:
- printf(" / first day of");
- break;
- case 2:
- printf(" / last day of");
- break;
- }
- }
- printf("\n");
- }
- timelib_long timelib_parse_tz_cor(char **ptr)
- {
- char *begin = *ptr, *end;
- timelib_long tmp;
- while (isdigit(**ptr) || **ptr == ':') {
- ++*ptr;
- }
- end = *ptr;
- switch (end - begin) {
- case 1: /* H */
- case 2: /* HH */
- return HOUR(strtol(begin, NULL, 10));
- break;
- case 3: /* H:M */
- case 4: /* H:MM, HH:M, HHMM */
- if (begin[1] == ':') {
- tmp = HOUR(strtol(begin, NULL, 10)) + strtol(begin + 2, NULL, 10);
- return tmp;
- } else if (begin[2] == ':') {
- tmp = HOUR(strtol(begin, NULL, 10)) + strtol(begin + 3, NULL, 10);
- return tmp;
- } else {
- tmp = strtol(begin, NULL, 10);
- return HOUR(tmp / 100) + tmp % 100;
- }
- case 5: /* HH:MM */
- tmp = HOUR(strtol(begin, NULL, 10)) + strtol(begin + 3, NULL, 10);
- return tmp;
- }
- return 0;
- }
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