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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); +} |