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Diffstat (limited to 'nuttx/sched/gmtime_r.c')
-rw-r--r-- | nuttx/sched/gmtime_r.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/nuttx/sched/gmtime_r.c b/nuttx/sched/gmtime_r.c deleted file mode 100644 index 98658676e..000000000 --- a/nuttx/sched/gmtime_r.c +++ /dev/null @@ -1,215 +0,0 @@ -/************************************************************ - * gmtime_r.c - * - * Copyright (C) 2007 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <spudmonkey@racsa.co.cr> - * - * 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 Gregory Nutt 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 <sys/types.h> -#include <time.h> -#include <errno.h> -#include <debug.h> -#include "clock_internal.h" - -/************************************************************ - * Definitions - ************************************************************/ - -/************************************************************ - * Private Type Declarations - ************************************************************/ - -/************************************************************ - * Private Function Prototypes - ************************************************************/ - -/* Calendar/UTC conversion routines */ - -static void clock_utc2calendar(time_t utc, int *year, int *month, int *day); -static void clock_utc2gregorian (time_t jdn, int *year, int *month, int *day); - -#ifdef CONFIG_JULIAN_TIME -static void clock_utc2julian(time_t jdn, int *year, int *month, int *day); -#endif /* CONFIG_JULIAN_TIME */ - -/********************************************************** - * Public Constant Data - **********************************************************/ - -/************************************************************ - * Public Variables - ************************************************************/ - -/********************************************************** - * Private Variables - **********************************************************/ - -/************************************************************ - * Private Functions - ************************************************************/ - -/************************************************************ - * Function: clock_calendar2utc, clock_gregorian2utc, - * and clock_julian2utc - * - * Description: - * Calendar to UTC conversion routines. These conversions - * are based on algorithms from p. 604 of Seidelman, P. K. - * 1992. Explanatory Supplement to the Astronomical - * Almanac. University Science Books, Mill Valley. - * - ************************************************************/ - -static void clock_utc2calendar(time_t utc, int *year, int *month, int *day) -{ -#ifdef CONFIG_JULIAN_TIME - - if (utc >= GREG_DUTC) - { - clock_utc2gregorian(utc + JD_OF_EPOCH, year, month, day); - } - else - { - clock_utc2julian (utc + JD_OF_EPOCH, year, month, day); - } - -#else /* CONFIG_JULIAN_TIME */ - - clock_utc2gregorian(utc + JD_OF_EPOCH, year, month, day); - -#endif /* CONFIG_JULIAN_TIME */ -} - -static void clock_utc2gregorian(time_t jd, int *year, int *month, int *day) -{ - long l, n, i, j, d, m, y; - - l = jd + 68569; - n = (4*l) / 146097; - l = l - (146097*n + 3)/4; - i = (4000*(l+1))/1461001; - l = l - (1461*i)/4 + 31; - j = (80*l)/2447; - d = l - (2447*j)/80; - l = j/11; - m = j + 2 - 12*l; - y = 100*(n-49) + i + l; - - *year = y; - *month = m; - *day = d; -} - - -#ifdef CONFIG_JULIAN_TIME -static void clock_utc2julian(time_t jd, int *year, int *month, int *day) -{ - long j, k, l, n, d, i, m, y; - - j = jd + 1402; - k = (j-1)/1461; - l = j - 1461*k; - n = (l-1)/365 - l/1461; - i = l - 365*n + 30; - j = (80*i)/2447; - d = i - (2447*j)/80; - i = j/11; - m = j + 2 - 12*i; - y = 4*k + n + i - 4716; - - *year = y; - *month = m; - *day = d; -} -#endif /* CONFIG_JULIAN_TIME */ - -/************************************************************ - * Public Functions - ************************************************************/ - -/************************************************************ - * Function: gmtime_r - * - * Description: - * Time conversion (based on the POSIX API) - * - ************************************************************/ - -struct tm *gmtime_r(const time_t *clock, struct tm *result) -{ - time_t time; - time_t jdn; - int year, month, day; - int hour, min, sec; - - /* Get the seconds since the EPOCH */ - - time = *clock; - sdbg("clock=%d\n", (int)time); - - /* Convert to days, hours, minutes, and seconds since the EPOCH */ - - jdn = time / (24*60*60); - time -= (24*60*60) * jdn; - - hour = time / (60*60); - time -= (60*60) * hour; - - min = time / 60; - time -= 60 * min; - - sec = time; - - sdbg("hour=%d min=%d sec=%d\n", - (int)hour, (int)min, (int)sec); - - /* Convert the days since the EPOCH to calendar day */ - - clock_utc2calendar(jdn, &year, &month, &day); - - sdbg("jdn=%d year=%d month=%d day=%d\n", - (int)jdn, (int)year, (int)month, (int)day); - - /* Then return the struct tm contents */ - - result->tm_year = (int)year - 1900; - result->tm_mon = (int)month - 1; - result->tm_mday = (int)day; - result->tm_hour = (int)hour; - result->tm_min = (int)min; - result->tm_sec = (int)sec; - - return result; -} |