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-rw-r--r--nuttx/libc/time/lib_mktime.c141
1 files changed, 0 insertions, 141 deletions
diff --git a/nuttx/libc/time/lib_mktime.c b/nuttx/libc/time/lib_mktime.c
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--- a/nuttx/libc/time/lib_mktime.c
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-/****************************************************************************
- * libc/time/lib_mktime.c
- *
- * Copyright (C) 2007, 2009, 2011 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. 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.
- * 3. Neither the name NuttX nor the names of its 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.
- *
- ****************************************************************************/
-
-/****************************************************************************
- * Included Files
- ****************************************************************************/
-
-#include <nuttx/config.h>
-
-#include <time.h>
-#include <debug.h>
-
-#include <nuttx/time.h>
-
-/****************************************************************************
- * Definitions
- ****************************************************************************/
-
-/****************************************************************************
- * Private Type Declarations
- ****************************************************************************/
-
-/****************************************************************************
- * Private Function Prototypes
- ****************************************************************************/
-
-/****************************************************************************
- * Public Constant Data
- ****************************************************************************/
-
-/****************************************************************************
- * Public Variables
- ****************************************************************************/
-
-/****************************************************************************
- * Private Variables
- ****************************************************************************/
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Function: mktime
- *
- * Description:
- * Time conversion (based on the POSIX API)
- *
- ****************************************************************************/
-
-#ifdef CONFIG_GREGORIAN_TIME
-time_t mktime(const struct tm *tp)
-{
- time_t ret;
- time_t jdn;
-
- /* Get the EPOCH-relative julian date from the calendar year,
- * month, and date
- */
-
- jdn = clock_calendar2utc(tp->tm_year+1900, tp->tm_mon+1, tp->tm_mday);
- sdbg("jdn=%d tm_year=%d tm_mon=%d tm_mday=%d\n",
- (int)jdn, tp->tm_year, tp->tm_mon, tp->tm_mday);
-
- /* Return the seconds into the julian day. */
-
- ret = ((jdn*24 + tp->tm_hour)*60 + tp->tm_min)*60 + tp->tm_sec;
- sdbg("ret=%d tm_hour=%d tm_min=%d tm_sec=%d\n",
- (int)ret, tp->tm_hour, tp->tm_min, tp->tm_sec);
-
- return ret;
-}
-#else
-
-/* Simple version that only works for dates within a (relatively) small range
- * from the epoch. It does not handle earlier days or longer days where leap
- * seconds, etc. apply.
- */
-
-time_t mktime(const struct tm *tp)
-{
- unsigned int days;
-
- /* Years since epoch in units of days (ignoring leap years). */
-
- days = (tp->tm_year - 70) * 365;
-
- /* Add in the extra days for the leap years prior to the current year. */
-
- days += (tp->tm_year - 69) >> 2;
-
- /* Add in the days up to the beginning of this month. */
-
- days += (time_t)clock_daysbeforemonth(tp->tm_mon, clock_isleapyear(tp->tm_year + 1900));
-
- /* Add in the days since the beginning of this month (days are 1-based). */
-
- days += tp->tm_mday - 1;
-
- /* Then convert the seconds and add in hours, minutes, and seconds */
-
- return ((days * 24 + tp->tm_hour) * 60 + tp->tm_min) * 60 + tp->tm_sec;
-}
-#endif /* CONFIG_GREGORIAN_TIME */
-