Remove the time module alltogether.

[apps/madmutt.git] / lib-lib / date.c

diff --git a/lib-lib/date.c b/lib-lib/date.c
deleted file mode 100644 (file)
index 8fa90c6..0000000
--- a/lib-lib/date.c
+++ /dev/null
@@ -1,188 +0,0 @@
-/*
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or (at
- *  your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful, but
- *  WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- *  MA 02110-1301, USA.
- *
- *  Copyright © 2006 Pierre Habouzit
- */
-
-/*
- * Copyright notice from original mutt:
- * Copyright (C) 1996-2000 Michael R. Elkins <me@mutt.org>
- *
- * This file is part of mutt-ng, see http://www.muttng.org/.
- * It's licensed under the GNU General Public License,
- * please see the file GPL in the top level source directory.
- */
-
-#include "lib-lib.h"
-
-/* returns the seconds east of UTC given `g' and its corresponding gmtime()
-   representation */
-static time_t compute_tz(time_t g, struct tm *utc)
-{
-    struct tm *lt = localtime (&g);
-    time_t t;
-    int yday;
-
-    t    = (lt->tm_hour - utc->tm_hour) * 3600
-         + (lt->tm_min - utc->tm_min) * 60;
-    yday = (lt->tm_yday - utc->tm_yday);
-
-    if (yday) {
-        /* This code is optimized to negative timezones (West of Greenwich) */
-        if (yday == -1 ||           /* UTC passed midnight before localtime */
-            yday > 1)               /* UTC passed new year before localtime */
-            t -= 24 * 60 * 60;
-        else
-            t += 24 * 60 * 60;
-    }
-
-    return t;
-}
-
-/* Returns the local timezone in seconds east of UTC for the time t,
-   or for the current time if t is zero.  */
-time_t mutt_local_tz(time_t t)
-{
-    struct tm *ptm;
-    struct tm utc;
-
-    if (!t)
-        t = time(NULL);
-
-    /* need to make a copy because gmtime/localtime return a pointer to
-       static memory (grr!) */
-    ptm = gmtime(&t);
-    utc = *ptm;
-    return compute_tz(t, &utc);
-}
-
-/* converts struct tm to time_t, but does not take the local timezone into
-   account unless ``local'' is nonzero */
-time_t mutt_mktime(struct tm *t, int local)
-{
-    static short const AccumDaysPerMonth[12] = {
-        0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334
-    };
-
-    time_t g;
-
-    /* Compute the number of days since January 1 in the same year */
-    g = AccumDaysPerMonth[t->tm_mon % 12];
-
-    /* The leap years are 1972 and every 4. year until 2096,
-     * but this algoritm will fail after year 2099 */
-    g += t->tm_mday;
-    if ((t->tm_year % 4) || t->tm_mon < 2)
-        g--;
-    t->tm_yday = g;
-
-    /* Compute the number of days since January 1, 1970 */
-    g += (t->tm_year - 70) * 365;
-    g += (t->tm_year - 69) / 4;
-
-    /* Compute the number of hours */
-    g *= 24;
-    g += t->tm_hour;
-
-    /* Compute the number of minutes */
-    g *= 60;
-    g += t->tm_min;
-
-    /* Compute the number of seconds */
-    g *= 60;
-    g += t->tm_sec;
-
-    if (local)
-        g -= compute_tz(g, t);
-
-    return g;
-}
-
-/* Return 1 if month is February of leap year, else 0 */
-__attribute__((const))
-static int isLeapYearFeb(int m, int y)
-{
-    return (m == 1)                 /* february ? */
-        && !(y & 3)                 /* multiple of 4 ? */
-        && ((y % 100) || !((y + 1900) % 400));
-                                    /* !multiple of 100, or multiple of 400 */
-}
-
-__attribute__((const))
-static inline int nbDaysInMonth(int m, int y)
-{
-    static char const DaysPerMonth[12] = {
-        31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
-    };
-
-    return DaysPerMonth[m] + isLeapYearFeb(m, y);
-}
-
-void mutt_normalize_time(struct tm *tm)
-{
-    while (tm->tm_sec < 0) {
-        tm->tm_sec += 60;
-        tm->tm_min--;
-    }
-    while (tm->tm_sec >= 60) {
-        tm->tm_sec -= 60;
-        tm->tm_min++;
-    }
-    while (tm->tm_min < 0) {
-        tm->tm_min += 60;
-        tm->tm_hour--;
-    }
-    while (tm->tm_min >= 60) {
-        tm->tm_min -= 60;
-        tm->tm_hour++;
-    }
-    while (tm->tm_hour < 0) {
-        tm->tm_hour += 24;
-        tm->tm_mday--;
-    }
-    while (tm->tm_hour >= 24) {
-        tm->tm_hour -= 24;
-        tm->tm_mday++;
-    }
-    /* use loops on NNNdwmy user input values? */
-    while (tm->tm_mon < 0) {
-        tm->tm_mon += 12;
-        tm->tm_year--;
-    }
-    while (tm->tm_mon >= 12) {
-        tm->tm_mon -= 12;
-        tm->tm_year++;
-    }
-    while (tm->tm_mday <= 0) {
-        if (tm->tm_mon) {
-            tm->tm_mon--;
-        } else {
-            tm->tm_mon = 11;
-            tm->tm_year--;
-        }
-        tm->tm_mday += nbDaysInMonth(tm->tm_mon, tm->tm_year);
-    }
-
-    while (tm->tm_mday > nbDaysInMonth(tm->tm_mon, tm->tm_year)) {
-        tm->tm_mday -= nbDaysInMonth(tm->tm_mon, tm->tm_year);
-        if (tm->tm_mon < 11) {
-            tm->tm_mon++;
-        } else {
-            tm->tm_mon = 0;
-            tm->tm_year++;
-        }
-    }
-}