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author | Sergey Poznyakoff <gray@gnu.org.ua> | 2011-12-08 17:04:29 +0200 |
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committer | Sergey Poznyakoff <gray@gnu.org.ua> | 2011-12-08 18:33:56 +0200 |
commit | acec689ef648adaa5c420049bfb775953e184bda (patch) | |
tree | ac5a96099e5a646fc24986650b4f9073c9e83642 /libmailutils/datetime/utcoff.c | |
parent | 5af1d3a7bd8149139ad59baa11501e3d11b138a7 (diff) | |
download | mailutils-acec689ef648adaa5c420049bfb775953e184bda.tar.gz mailutils-acec689ef648adaa5c420049bfb775953e184bda.tar.bz2 |
Revamp date/time calculations.
* configure.ac: Build libmailutils/datetime/Makefile.am
* include/mailutils/datetime.h (mu_datetime_julianday)
(mu_datetime_dayofweek,mu_datetime_dayofyear)
(mu_datetime_year_days): New protos.
* libmailutils/Makefile.am (SUBDIRS): Add datetime
(libmailutils_la_LIBADD): Add libdatetime.la
* libmailutils/base/Makefile.am (libbase_la_SOURCES): Remove date.c
and strftime.c.
* libmailutils/base/date.c: Remove.
* libmailutils/base/strftime.c: Move to libmailutils/datetime
* libmailutils/datetime/Makefile.am: New file.
* libmailutils/datetime/dow.c: New file.
* libmailutils/datetime/doy.c: New file.
* libmailutils/datetime/jd.c: New file.
* libmailutils/datetime/scantime.c: New file.
* libmailutils/datetime/streamftime.c: New file.
* libmailutils/datetime/tab.c: New file.
* libmailutils/datetime/unixtime.c: New file.
* libmailutils/datetime/utcoff.c: New file.
* libmailutils/datetime/yd.c: New file.
* libmailutils/tests/scantime.at: Fix yday numbers.
Diffstat (limited to 'libmailutils/datetime/utcoff.c')
-rw-r--r-- | libmailutils/datetime/utcoff.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/libmailutils/datetime/utcoff.c b/libmailutils/datetime/utcoff.c new file mode 100644 index 000000000..cfa3b894c --- /dev/null +++ b/libmailutils/datetime/utcoff.c @@ -0,0 +1,32 @@ +/* GNU Mailutils -- a suite of utilities for electronic mail + Copyright (C) 1999, 2000, 2001, 2007, 2009, 2010, 2011 Free Software + Foundation, Inc. + + GNU Mailutils 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 3, or (at your option) + any later version. + + GNU Mailutils 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 GNU Mailutils. If not, see <http://www.gnu.org/licenses/>. */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif +#include <time.h> + +/* Convert time 0 at UTC to our localtime, that tells us the offset + of our current timezone from UTC. */ +time_t +mu_utc_offset (void) +{ + time_t t = 0; + struct tm *tm = gmtime (&t); + + return - mktime (tm); +} |