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author | Leo C | 2014-12-01 23:25:55 +0100 |
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committer | Leo C | 2014-12-01 23:25:55 +0100 |
commit | e63b2f75607905fedf00cfd9fe644b26af715ffd (patch) | |
tree | abbe250878d1b115c7ed2189be963d32813d2010 /time/mktime.c | |
parent | c93a1fd4f52e215c7fde5a207fff66015d0c4822 (diff) | |
download | z180-stamp-e63b2f75607905fedf00cfd9fe644b26af715ffd.zip |
switch to avr-libc 1.8.1 time library
Diffstat (limited to 'time/mktime.c')
-rw-r--r-- | time/mktime.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/time/mktime.c b/time/mktime.c new file mode 100644 index 0000000..1600202 --- /dev/null +++ b/time/mktime.c @@ -0,0 +1,61 @@ +/* + * (C)2012 Michael Duane Rice All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. Redistributions in binary + * form must reproduce the above copyright notice, this list of conditions + * and the following disclaimer in the documentation and/or other materials + * provided with the distribution. Neither the name of the copyright holders + * nor the names of contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/* $Id: mktime.c 2318 2013-03-30 11:59:28Z swfltek $ */ + +/* + Standard mktime(). The provided broken down Local 'calendar' time is converted into + a binary time stamp. The process is then reversed to 'normalize' timeptr. +*/ + +#include <time.h> + +extern long __utc_offset; + +extern int (*__dst_ptr) (const time_t *, int32_t *); + +time_t +mktime(struct tm * timeptr) +{ + time_t ret; + + ret = mk_gmtime(timeptr); + + if (timeptr->tm_isdst < 0) { + if (__dst_ptr) + timeptr->tm_isdst = __dst_ptr(&ret, &__utc_offset); + } + if (timeptr->tm_isdst > 0) + ret -= timeptr->tm_isdst; + + ret -= __utc_offset; + + localtime_r(&ret, timeptr); + + return ret; +} |