mirror of
https://git.notmuchmail.org/git/notmuch
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137 lines
3.5 KiB
C
137 lines
3.5 KiB
C
/* notmuch - Not much of an email program, (just index and search)
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*
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* Copyright © 2009 Carl Worth
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see https://www.gnu.org/licenses/ .
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*
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* Author: Carl Worth <cworth@cworth.org>
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*/
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#include "notmuch-client.h"
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/* Format a nice representation of 'time' relative to the current time.
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*
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* Examples include:
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*
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* 5 mins. ago (For times less than 60 minutes ago)
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* Today 12:30 (For times >60 minutes but still today)
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* Yest. 12:30
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* Mon. 12:30 (Before yesterday but fewer than 7 days ago)
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* October 12 (Between 7 and 180 days ago (about 6 months))
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* 2008-06-30 (More than 180 days ago)
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*
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* The returned string is either static data (a string literal) or
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* newly talloced data belonging to 'ctx'. That is, the caller should
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* not modify nor free the returned value. But when the caller
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* arranges for 'ctx' to be talloc_freed, then memory allocated here
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* (if any) will be reclaimed.
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*
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*/
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#define MINUTE (60)
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#define HOUR (60 * MINUTE)
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#define DAY (24 * HOUR)
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#define RELATIVE_DATE_MAX 20
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const char *
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notmuch_time_relative_date (const void *ctx, time_t then)
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{
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struct tm tm_now, tm_then;
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time_t now = time(NULL);
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time_t delta;
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char *result;
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localtime_r (&now, &tm_now);
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localtime_r (&then, &tm_then);
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result = talloc_zero_size (ctx, RELATIVE_DATE_MAX);
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if (result == NULL)
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return "when?";
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if (then > now)
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return "the future";
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delta = now - then;
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if (delta > 180 * DAY) {
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strftime (result, RELATIVE_DATE_MAX,
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"%F", &tm_then); /* 2008-06-30 */
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return result;
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}
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if (delta < 3600) {
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snprintf (result, RELATIVE_DATE_MAX,
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"%d mins. ago", (int) (delta / 60));
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return result;
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}
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if (delta <= 7 * DAY) {
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if (tm_then.tm_wday == tm_now.tm_wday &&
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delta < DAY)
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{
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strftime (result, RELATIVE_DATE_MAX,
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"Today %R", &tm_then); /* Today 12:30 */
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return result;
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} else if ((tm_now.tm_wday + 7 - tm_then.tm_wday) % 7 == 1) {
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strftime (result, RELATIVE_DATE_MAX,
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"Yest. %R", &tm_then); /* Yest. 12:30 */
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return result;
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} else {
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if (tm_then.tm_wday != tm_now.tm_wday) {
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strftime (result, RELATIVE_DATE_MAX,
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"%a. %R", &tm_then); /* Mon. 12:30 */
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return result;
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}
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}
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}
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strftime (result, RELATIVE_DATE_MAX,
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"%B %d", &tm_then); /* October 12 */
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return result;
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}
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#undef MINUTE
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#undef HOUR
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#undef DAY
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void
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notmuch_time_print_formatted_seconds (double seconds)
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{
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int hours;
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int minutes;
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if (seconds < 1) {
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printf ("almost no time");
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return;
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}
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if (seconds > 3600) {
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hours = (int) seconds / 3600;
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printf ("%dh ", hours);
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seconds -= hours * 3600;
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}
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if (seconds > 60) {
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minutes = (int) seconds / 60;
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printf ("%dm ", minutes);
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seconds -= minutes * 60;
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}
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printf ("%ds", (int) seconds);
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}
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/* Compute the number of seconds elapsed from start to end. */
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double
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notmuch_time_elapsed (struct timeval start, struct timeval end)
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{
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return ((end.tv_sec - start.tv_sec) +
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(end.tv_usec - start.tv_usec) / 1e6);
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}
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