gsoc2013-evolution - Google Summer of Code 2013 - GNOME

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author	Aaron Weber <aaron@src.gnome.org>	2004-03-31 05:07:58 +0800
committer	Aaron Weber <aaron@src.gnome.org>	2004-03-31 05:07:58 +0800
commit	b3520a456f3ed8936ec9e9989047ef6662db7eaa (patch)
tree	d53ad639949c4a7da7712298ceb2d663ab429709 /help
parent	dd7375f7e40d7c8df938320693d6720cedd8a969 (diff)
download	gsoc2013-evolution-b3520a456f3ed8936ec9e9989047ef6662db7eaa.tar.gz gsoc2013-evolution-b3520a456f3ed8936ec9e9989047ef6662db7eaa.tar.zst gsoc2013-evolution-b3520a456f3ed8936ec9e9989047ef6662db7eaa.zip

fix a small error.

svn path=/trunk/; revision=25246

Diffstat (limited to 'help')

-rw-r--r--

help/C/usage-mail-org.xml

1 files changed, 3 insertions, 9 deletions

/* Miscellaneous time-related utilities * * Copyright (C) 1998 The Free Software Foundation * * Authors: Federico Mena <federico@nuclecu.unam.mx> * Miguel de Icaza <miguel@nuclecu.unam.mx> */ #include <libgnome/libgnome.h> #include <string.h> #include "timeutil.h" #define digit_at(x,y) (x [y] - '0') time_t time_from_isodate (char *str) { struct tm my_tm; time_t t; my_tm.tm_year = (digit_at (str, 0) * 1000 + digit_at (str, 1) * 100 + digit_at (str, 2) * 10 + digit_at (str, 3)) - 1900; my_tm.tm_mon = digit_at (str, 4) * 10 + digit_at (str, 5) - 1; my_tm.tm_mday = digit_at (str, 6) * 10 + digit_at (str, 7); my_tm.tm_hour = digit_at (str, 9) * 10 + digit_at (str, 10); my_tm.tm_min = digit_at (str, 11) * 10 + digit_at (str, 12); my_tm.tm_sec = digit_at (str, 13) * 10 + digit_at (str, 14); my_tm.tm_isdst = -1; t = mktime (&my_tm); return t; } void print_time_t (time_t t) { struct tm *tm = localtime (&t); printf ("TIEMPO: %d/%d/%d %d:%d:%d\n", tm->tm_mon+1, tm->tm_mday, tm->tm_year, tm->tm_hour, tm->tm_min, tm->tm_sec); } int get_time_t_hour (time_t t) { struct tm *tm; tm = localtime (&t); return tm->tm_hour; } char * isodate_from_time_t (time_t t) { struct tm *tm; static char isotime [40]; tm = localtime (&t); strftime (isotime, sizeof (isotime)-1, "%Y%m%dT%H%M%S", tm); return isotime; } time_t time_from_start_duration (time_t start, char *duration) { printf ("Not yet implemented\n"); return 0; } char * format_simple_hour (int hour, int use_am_pm) { static char buf[256]; /* I don't know whether this is the best way to internationalize it. * Does any language use different conventions? - Federico */ if (use_am_pm) sprintf (buf, "%d%s", (hour == 0) ? 12 : (hour > 12) ? (hour - 12) : hour, (hour < 12) ? _("am") : _("pm")); else sprintf (buf, "%02d%s", hour, _("h")); return buf; } time_t time_add_minutes (time_t time, int minutes) { struct tm *tm = localtime (&time); time_t new_time; tm->tm_min += minutes; if ((new_time = mktime (tm)) == -1){ g_warning ("mktime could not handling adding a day with\n"); print_time_t (time); return time; } return new_time; } time_t time_add_day (time_t time, int days) { struct tm *tm = localtime (&time); time_t new_time; int dst_flag = tm->tm_isdst; tm->tm_mday += days; if ((new_time = mktime (tm)) == -1){ g_warning ("mktime could not handling adding a day with\n"); print_time_t (time); return time; } if (dst_flag > tm->tm_isdst){ tm->tm_hour++; new_time += 3600; } else if (dst_flag < tm->tm_isdst){ tm->tm_hour--; new_time -= 3600; } return new_time; } time_t time_add_week (time_t time, int weeks) { return time_add_day (time, weeks * 7); } time_t time_add_month (time_t time, int months) { struct tm *tm = localtime (&time); time_t new_time; /* FIXME: this will not work correctly when switching, say, from a 31-day month to a 30-day * month. Figure out the number of days in the month and go to the nearest "limit" day. */ tm->tm_mon += months; if ((new_time = mktime (tm)) == -1){ g_warning ("mktime could not handling adding a month with\n"); print_time_t (time); return time; } return new_time; } time_t time_add_year (time_t time, int years) { struct tm *tm = localtime (&time); time_t new_time; tm->tm_year += years; if ((new_time = mktime (tm)) == -1){ g_warning ("mktime could not handling adding a year with\n"); print_time_t (time); return time; } return new_time; } time_t time_day_hour (time_t t, int hour) { struct tm tm; tm = *localtime (&t); tm.tm_hour = hour; tm.tm_min = 0; tm.tm_sec = 0; return mktime (&tm); } /* Number of days in a month, for normal and leap years */ static const int days_in_month[2][12] = { { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }, { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 } }; /* Returns whether the specified year is a leap year */ static int is_leap_year (int year) { if (year <= 1752) return !(year % 4); else return (!(year % 4) && (year % 100)) || !(year % 400); } int time_days_in_month (int year, int month) { g_return_val_if_fail (year >= 1900, 0); g_return_val_if_fail ((month >= 0) && (month < 12), 0); return days_in_month [is_leap_year (year)][month]; } time_t time_from_day (int year, int month, int day) { struct tm tm; memset (&tm, 0, sizeof (tm)); tm.tm_year = year - 1900; tm.tm_mon = month; tm.tm_mday = day; return mktime (&tm); } time_t time_year_begin (time_t t) { struct tm tm; tm = *localtime (&t); tm.tm_hour = 0; tm.tm_min = 0; tm.tm_sec = 0; tm.tm_mon = 0; tm.tm_mday = 1; return mktime (&tm); } time_t time_year_end (time_t t) { struct tm tm; tm = *localtime (&t); tm.tm_hour = 0; tm.tm_min = 0; tm.tm_sec = 0; tm.tm_mon = 0; tm.tm_mday = 1; tm.tm_year++; return mktime (&tm); } time_t time_month_begin (time_t t) { struct tm tm; tm = *localtime (&t); tm.tm_hour = 0; tm.tm_min = 0; tm.tm_sec = 0; tm.tm_mday = 1; return mktime (&tm); } time_t time_month_end (time_t t) { struct tm tm; tm = *localtime (&t); tm.tm_hour = 0; tm.tm_min = 0; tm.tm_sec = 0; tm.tm_mday = 1; tm.tm_mon++; return mktime (&tm); } time_t time_week_begin (time_t t) { struct tm tm; /* FIXME: make it take week_starts_on_monday into account */ tm = *localtime (&t); tm.tm_hour = 0; tm.tm_min = 0; tm.tm_sec = 0; tm.tm_mday -= tm.tm_wday; return mktime (&tm); } time_t time_week_end (time_t t) { struct tm tm; /* FIXME: make it take week_starts_on_monday into account */ tm = *localtime (&t); tm.tm_hour = 0; tm.tm_min = 0; tm.tm_sec = 0; tm.tm_mday += 7 - tm.tm_wday; return mktime (&tm); } time_t time_day_begin (time_t t) { struct tm tm; time_t temp = t - 43200; int dstflag, dstflag2; tm = *localtime(&temp); /* one day */ dstflag = tm.tm_isdst; tm = *localtime (&t); dstflag2 = tm.tm_isdst; if (dstflag < dstflag2) tm.tm_hour = 1; else tm.tm_hour = 0; tm.tm_min = 0; tm.tm_sec = 0; temp = mktime(&tm); if (dstflag > dstflag2){ temp += 3600; } return temp; } time_t time_day_end (time_t t) { struct tm tm; time_t temp; int dstflag, dstflag2; t += 10800; temp = t - 86400; tm = *localtime(&temp); /* one day */ dstflag = tm.tm_isdst; tm = *localtime (&t); dstflag2 = tm.tm_isdst; if (dstflag < dstflag2) tm.tm_hour = 23; else { tm.tm_mday++; tm.tm_hour = 0; } tm.tm_min = 0; tm.tm_sec = 0; temp = mktime(&tm); if(dstflag > dstflag2) { } return temp; } static char * pcat (char *dest, int num, char key) { int c; c = sprintf (dest, "%d%c", num, key); return dest + c; } /* Converts secs into the ISO difftime representation */ char * isodiff_from_secs (int secs) { static char buffer [60], *p; int years, months, weeks, days, hours, minutes; years = months = weeks = days = hours = minutes = 0; years = secs / (365 * 86400); secs %= (365 * 86400); months = secs / (30 * 86400); secs %= (30 * 86400); weeks = secs / (7 * 86400); secs %= (7 * 86400); days = secs / 86400; secs %= 86400; hours = secs / 3600; secs %= 3600; minutes = secs / 60; secs %= 60; strcpy (buffer, "P"); p = buffer + 1; if (years) p = pcat (p, years, 'Y'); if (months) p = pcat (p, months, 'M'); if (weeks) p = pcat (p, weeks, 'W'); if (days) p = pcat (p, days, 'D'); if (hours || minutes || secs){ *p++ = 'T'; if (hours) p = pcat (p, hours, 'H'); if (minutes) p = pcat (p, minutes, 'M'); if (secs) p = pcat (p, secs, 'S'); } return buffer; } int isodiff_to_secs (char *str) { int value, time; int years, months, weeks, days, hours, minutes, seconds; value = years = months = weeks = days = hours = minutes = time = seconds = 0; if (*str != 'P') return 0; str++; while (*str){ switch (*str){ case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': value = value * 10 + (*str - '0'); break; case 'Y': years = value; value = 0; break; case 'M': if (time) minutes = value; else months = value; value = 0; break; case 'W': weeks = value; value = 0; break; case 'D': days = value; value = 0; break; case 'T': value = 0; time = 1; break; case 'H': hours = value; value = 0; break; case 'S': seconds = value; value = 0; break; } str++; } return seconds + (minutes * 60) + (hours * 3600) + (days * 86400) + (weeks * 7 * 86400) + (months * 30 * 86400) + (years * 365 * 86400); }


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