Mercurial > dovecot > core-2.2
view src/lib/utc-offset.c @ 1741:9df02b1533b3 HEAD
Removed most of the license comments from src/lib/*.c. It's just fine to
keep them in a single COPYING.MIT file. Changed a few other comments as well.
author | Timo Sirainen <tss@iki.fi> |
---|---|
date | Wed, 27 Aug 2003 00:18:16 +0300 |
parents | 293aac070c2c |
children | 6a64e64fa3a3 |
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/* Copyright (c) 2002-2003 Timo Sirainen */ #include "lib.h" #include "utc-offset.h" #include <sys/time.h> int utc_offset(struct tm *tm, time_t t __attr_unused__) { #ifdef HAVE_TM_GMTOFF return (int) (tm->tm_gmtoff/60); #else struct tm ltm, gtm; int offset; /* gmtime() overwrites tm, so we need to copy it elsewhere */ ltm = *tm; tm = gmtime(&t); gtm = *tm; /* max offset of 24 hours */ if (ltm.tm_yday < gtm.tm_yday) offset = -24 * 60; else if (ltm.tm_yday > gtm.tm_yday) offset = 24 * 60; else offset = 0; offset += (ltm.tm_hour - gtm.tm_hour) * 60; offset += (ltm.tm_min - gtm.tm_min); /* restore overwritten tm */ *tm = ltm; return offset; #endif }