diff options
author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-11-10 15:47:45 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-11-10 15:47:45 +0000 |
commit | 419e8f29bc9f67478830f7aae6499ee109d1d926 (patch) | |
tree | 717b5e7f971706d7f3206153d45948b7ba0ecbcf /nuttx/lib/time | |
parent | 596e5fed4ea6663d0fd5a37cb95fb3aa8b6b5d0f (diff) | |
download | px4-nuttx-419e8f29bc9f67478830f7aae6499ee109d1d926.tar.gz px4-nuttx-419e8f29bc9f67478830f7aae6499ee109d1d926.tar.bz2 px4-nuttx-419e8f29bc9f67478830f7aae6499ee109d1d926.zip |
move lib/ to libc/ to make room for a true lib/ directory. Rename libraries to match
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5328 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/lib/time')
-rw-r--r-- | nuttx/lib/time/Make.defs | 44 | ||||
-rw-r--r-- | nuttx/lib/time/lib_calendar2utc.c | 209 | ||||
-rw-r--r-- | nuttx/lib/time/lib_daysbeforemonth.c | 102 | ||||
-rw-r--r-- | nuttx/lib/time/lib_gmtime.c | 93 | ||||
-rw-r--r-- | nuttx/lib/time/lib_gmtimer.c | 355 | ||||
-rw-r--r-- | nuttx/lib/time/lib_isleapyear.c | 88 | ||||
-rw-r--r-- | nuttx/lib/time/lib_mktime.c | 141 | ||||
-rw-r--r-- | nuttx/lib/time/lib_strftime.c | 398 | ||||
-rw-r--r-- | nuttx/lib/time/lib_time.c | 110 |
9 files changed, 0 insertions, 1540 deletions
diff --git a/nuttx/lib/time/Make.defs b/nuttx/lib/time/Make.defs deleted file mode 100644 index ab7414229..000000000 --- a/nuttx/lib/time/Make.defs +++ /dev/null @@ -1,44 +0,0 @@ -############################################################################ -# lib/time/Make.defs -# -# Copyright (C) 2011-2012 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. -# -############################################################################ - -# Add the time C files to the build - -CSRCS += lib_mktime.c lib_gmtime.c lib_gmtimer.c lib_strftime.c \ - lib_calendar2utc.c lib_daysbeforemonth.c lib_isleapyear.c lib_time.c - -# Add the time directory to the build - -DEPPATH += --dep-path time -VPATH += :time diff --git a/nuttx/lib/time/lib_calendar2utc.c b/nuttx/lib/time/lib_calendar2utc.c deleted file mode 100644 index e80c292fc..000000000 --- a/nuttx/lib/time/lib_calendar2utc.c +++ /dev/null @@ -1,209 +0,0 @@ -/**************************************************************************** - * lib/time/lib_calendar2utc.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 <stdbool.h> -#include <time.h> -#include <debug.h> - -#include <nuttx/time.h> - -/**************************************************************************** - * Pre-processor Definitions - ****************************************************************************/ - -/**************************************************************************** - * Private Type Declarations - ****************************************************************************/ - -/**************************************************************************** - * Private Function Prototypes - ****************************************************************************/ - -/**************************************************************************** - * Public Constant Data - ****************************************************************************/ - -/**************************************************************************** - * Public Variables - ****************************************************************************/ - -/**************************************************************************** - * Private Variables - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Function: clock_gregorian2utc, clock_julian2utc - * - * Description: - * 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. - * - ****************************************************************************/ - -#ifdef CONFIG_GREGORIAN_TIME -static time_t clock_gregorian2utc(int year, int month, int day) -{ - int temp; - - /* temp = (month - 14)/12; */ - - temp = (month <= 2 ? -1:0); - - return (1461*(year + 4800 + temp))/4 - + (367*(month - 2 - 12*temp))/12 - - (3*((year + 4900 + temp)/100))/4 + day - 32075; -} - -#ifdef CONFIG_JULIAN_TIME -static time_t clock_julian2utc(int year, int month, int day) -{ - return 367*year - - (7*(year + 5001 + (month-9)/7))/4 - + (275*month)/9 - + day + 1729777; -} -#endif /* CONFIG_JULIAN_TIME */ -#endif /* CONFIG_GREGORIAN_TIME */ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Function: clock_calendar2utc - * - * Description: - * Calendar/UTC conversion based on algorithms from p. 604 - * of Seidelman, P. K. 1992. Explanatory Supplement to - * the Astronomical Almanac. University Science Books, - * Mill Valley. - * - ****************************************************************************/ - -#ifdef CONFIG_GREGORIAN_TIME -time_t clock_calendar2utc(int year, int month, int day) -{ - int dyear; -#ifdef CONFIG_JULIAN_TIME - bool isgreg; -#endif /* CONFIG_JULIAN_TIME */ - - /* Correct year & month ranges. Shift month into range 1-12 */ - - dyear = (month-1) / 12; - month -= 12 * dyear; - year += dyear; - - if (month < 1) - { - month += 12; - year -= 1; - } - -#ifdef CONFIG_JULIAN_TIME - /* Determine which calendar to use */ - - if (year > GREG_YEAR) - { - isgreg = true; - } - else if (year < GREG_YEAR) - { - isgreg = false; - } - else if (month > GREG_MONTH) - { - isgreg = true; - } - else if (month < GREG_MONTH) - { - isgreg = false; - } - else - { - isgreg = (day >= GREG_DAY); - } - - /* Calculate and return date */ - - if (isgreg) - { - return clock_gregorian2utc(year, month, day) - JD_OF_EPOCH; - } - else - { - return clock_julian2utc (year, month, day) - JD_OF_EPOCH; - } - -#else /* CONFIG_JULIAN_TIME */ - - return clock_gregorian2utc(year, month, day) - JD_OF_EPOCH; - -#endif /* CONFIG_JULIAN_TIME */ -} -#else - -/* A highly simplified version that only handles days in the time - * since Jan 1, 1970. - */ - -time_t clock_calendar2utc(int year, int month, int day) -{ - struct tm t; - - /* mktime can (kind of) do this */ - - t.tm_year = year; - t.tm_mon = month; - t.tm_mday = day; - t.tm_hour = 0; - t.tm_min = 0; - t.tm_sec = 0; - return mktime(&t); -} -#endif /* CONFIG_GREGORIAN_TIME */ - diff --git a/nuttx/lib/time/lib_daysbeforemonth.c b/nuttx/lib/time/lib_daysbeforemonth.c deleted file mode 100644 index 8000b0e7a..000000000 --- a/nuttx/lib/time/lib_daysbeforemonth.c +++ /dev/null @@ -1,102 +0,0 @@ -/**************************************************************************** - * lib/time/lib_daysbeforemonth.c - * - * Copyright (C) 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 <stdint.h> -#include <stdbool.h> - -#include <nuttx/time.h> - -/**************************************************************************** - * Pre-processor Definitions - ****************************************************************************/ - -/**************************************************************************** - * Private Type Declarations - ****************************************************************************/ - -/**************************************************************************** - * Private Function Prototypes - ****************************************************************************/ - -/**************************************************************************** - * Public Constant Data - ****************************************************************************/ - -/**************************************************************************** - * Public Variables - ****************************************************************************/ - -uint16_t g_daysbeforemonth[13] = -{ - 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 -}; - -/**************************************************************************** - * Private Variables - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Function: clock_daysbeforemonth - * - * Description: - * Get the number of days that occurred before the beginning of the month. - * - ****************************************************************************/ - -int clock_daysbeforemonth(int month, bool leapyear) -{ - int retval = g_daysbeforemonth[month]; - if (month >= 2 && leapyear) - { - retval++; - } - return retval; -} - - diff --git a/nuttx/lib/time/lib_gmtime.c b/nuttx/lib/time/lib_gmtime.c deleted file mode 100644 index 99afeded9..000000000 --- a/nuttx/lib/time/lib_gmtime.c +++ /dev/null @@ -1,93 +0,0 @@ -/**************************************************************************** - * lib/time/lib_gmtime.c - * - * Copyright (C) 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 <errno.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: gmtime - * - * Description: - * Similar to gmtime_r, but not thread-safe - * - ****************************************************************************/ - -struct tm *gmtime(const time_t *timer) -{ - static struct tm tm; - return gmtime_r(timer, &tm); -} - diff --git a/nuttx/lib/time/lib_gmtimer.c b/nuttx/lib/time/lib_gmtimer.c deleted file mode 100644 index ba1c9724f..000000000 --- a/nuttx/lib/time/lib_gmtimer.c +++ /dev/null @@ -1,355 +0,0 @@ -/**************************************************************************** - * lib/time/lib_gmtimer.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 <stdbool.h> -#include <time.h> -#include <errno.h> -#include <debug.h> - -#include <nuttx/time.h> - -/**************************************************************************** - * Definitions - ****************************************************************************/ - -#define SEC_PER_MIN ((time_t)60) -#define SEC_PER_HOUR ((time_t)60 * SEC_PER_MIN) -#define SEC_PER_DAY ((time_t)24 * SEC_PER_HOUR) - -/**************************************************************************** - * Private Type Declarations - ****************************************************************************/ - -/**************************************************************************** - * Private Function Prototypes - ****************************************************************************/ - -/* Calendar/UTC conversion routines */ - -static void clock_utc2calendar(time_t utc, int *year, int *month, int *day); -#ifdef CONFIG_GREGORIAN_TIME -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 */ -#endif /* CONFIG_GREGORIAN_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. - * - ****************************************************************************/ - -#ifdef CONFIG_GREGORIAN_TIME -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 */ -#else/* CONFIG_GREGORIAN_TIME */ - -/* Only handles dates since Jan 1, 1970 */ - -static void clock_utc2calendar(time_t days, int *year, int *month, int *day) -{ - int value; - int min; - int max; - int tmp; - bool leapyear; - - /* There is one leap year every four years, so we can get close with the - * following: - */ - - value = days / (4*365 + 1); /* Number of 4-years periods since the epoch*/ - days -= value * (4*365 + 1); /* Remaining days */ - value <<= 2; /* Years since the epoch */ - - /* Then we will brute force the next 0-3 years */ - - for (;;) - { - /* Is this year a leap year (we'll need this later too) */ - - leapyear = clock_isleapyear(value + 1970); - - /* Get the number of days in the year */ - - tmp = (leapyear ? 366 : 365); - - /* Do we have that many days? */ - - if (days >= tmp) - { - /* Yes.. bump up the year */ - - value++; - days -= tmp; - } - else - { - /* Nope... then go handle months */ - - break; - } - } - - /* At this point, value has the year and days has number days into this year */ - - *year = 1970 + value; - - /* Handle the month (zero based) */ - - min = 0; - max = 11; - - do - { - /* Get the midpoint */ - - value = (min + max) >> 1; - - /* Get the number of days that occurred before the beginning of the month - * following the midpoint. - */ - - tmp = clock_daysbeforemonth(value + 1, leapyear); - - /* Does the number of days before this month that equal or exceed the - * number of days we have remaining? - */ - - if (tmp > days) - { - /* Yes.. then the month we want is somewhere from 'min' and to the - * midpoint, 'value'. Could it be the midpoint? - */ - - tmp = clock_daysbeforemonth(value, leapyear); - if (tmp > days) - { - /* No... The one we want is somewhere between min and value-1 */ - - max = value - 1; - } - else - { - /* Yes.. 'value' contains the month that we want */ - - break; - } - } - else - { - /* No... The one we want is somwhere between value+1 and max */ - - min = value + 1; - } - - /* If we break out of the loop because min == max, then we want value - * to be equal to min == max. - */ - - value = min; - } - while (min < max); - - /* The selected month number is in value. Subtract the number of days in the - * selected month - */ - - days -= clock_daysbeforemonth(value, leapyear); - - /* At this point, value has the month into this year (zero based) and days has - * number of days into this month (zero based) - */ - - *month = value + 1; /* 1-based */ - *day = days + 1; /* 1-based */ -} - -#endif /* CONFIG_GREGORIAN_TIME */ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Function: gmtime_r - * - * Description: - * Time conversion (based on the POSIX API) - * - ****************************************************************************/ - -FAR struct tm *gmtime_r(FAR const time_t *timer, FAR struct tm *result) -{ - time_t epoch; - time_t jdn; - int year; - int month; - int day; - int hour; - int min; - int sec; - - /* Get the seconds since the EPOCH */ - - epoch = *timer; - sdbg("timer=%d\n", (int)epoch); - - /* Convert to days, hours, minutes, and seconds since the EPOCH */ - - jdn = epoch / SEC_PER_DAY; - epoch -= SEC_PER_DAY * jdn; - - hour = epoch / SEC_PER_HOUR; - epoch -= SEC_PER_HOUR * hour; - - min = epoch / SEC_PER_MIN; - epoch -= SEC_PER_MIN * min; - - sec = epoch; - - 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; /* Relative to 1900 */ - result->tm_mon = (int)month - 1; /* zero-based */ - result->tm_mday = (int)day; /* one-based */ - result->tm_hour = (int)hour; - result->tm_min = (int)min; - result->tm_sec = (int)sec; - - return result; -} - diff --git a/nuttx/lib/time/lib_isleapyear.c b/nuttx/lib/time/lib_isleapyear.c deleted file mode 100644 index 966c248e0..000000000 --- a/nuttx/lib/time/lib_isleapyear.c +++ /dev/null @@ -1,88 +0,0 @@ -/**************************************************************************** - * lib/time/lib_isleapyear.c - * - * Copyright (C) 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 <nuttx/time.h> - -/**************************************************************************** - * Pre-processor Definitions - ****************************************************************************/ - -/**************************************************************************** - * Private Type Declarations - ****************************************************************************/ - -/**************************************************************************** - * Private Function Prototypes - ****************************************************************************/ - -/**************************************************************************** - * Public Constant Data - ****************************************************************************/ - -/**************************************************************************** - * Public Variables - ****************************************************************************/ - -/**************************************************************************** - * Private Variables - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Function: clock_isleapyear - * - * Description: - * Return true if the specified year is a leap year - * - ****************************************************************************/ - -int clock_isleapyear(int year) -{ - return year % 400 ? (year % 100 ? (year % 4 ? 0 : 1) : 0) : 1; -} - diff --git a/nuttx/lib/time/lib_mktime.c b/nuttx/lib/time/lib_mktime.c deleted file mode 100644 index 8c17e7c0a..000000000 --- a/nuttx/lib/time/lib_mktime.c +++ /dev/null @@ -1,141 +0,0 @@ -/**************************************************************************** - * lib/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 */ - diff --git a/nuttx/lib/time/lib_strftime.c b/nuttx/lib/time/lib_strftime.c deleted file mode 100644 index cd0804f55..000000000 --- a/nuttx/lib/time/lib_strftime.c +++ /dev/null @@ -1,398 +0,0 @@ -/**************************************************************************** - * lib/time/lib_strftime.c - * - * Copyright (C) 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 <sys/types.h> - -#include <stdio.h> -#include <time.h> -#include <debug.h> - -#include <nuttx/time.h> - -/**************************************************************************** - * Definitions - ****************************************************************************/ - -/**************************************************************************** - * Private Type Declarations - ****************************************************************************/ - -/**************************************************************************** - * Private Function Prototypes - ****************************************************************************/ - -/**************************************************************************** - * Public Constant Data - ****************************************************************************/ - -/**************************************************************************** - * Public Data - ****************************************************************************/ - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -static const char * const g_abbrevmonthname[12] = -{ - "Jan", "Feb", "Mar", "Apr", "May", "Jun", - "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" -}; - -static const char * const g_monthname[12] = -{ - "January", "February", "March", "April", "May", "June", - "July", "August", "September", "October", "November", "December" -}; - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Function: strftime - * - * Description: - * The strftime() function formats the broken-down time tm according to - * the format specification format and places the result in the character - * array s of size max. - * - * Ordinary characters placed in the format string are copied to s without - * conversion. Conversion specifications are introduced by a '%' charac- - * ter, and terminated by a conversion specifier character, and are - * replaced in s as follows: - * - * %b The abbreviated month name according to the current locale. - * %B The full month name according to the current locale. - * %C The century number (year/100) as a 2-digit integer. (SU) - * %d The day of the month as a decimal number (range 01 to 31). - * %e Like %d, the day of the month as a decimal number, but a leading - * zero is replaced by a space. - * %h Equivalent to %b. (SU) - * %H The hour as a decimal number using a 24-hour clock (range 00 to 23). - * %I The hour as a decimal number using a 12-hour clock (range 01 to 12). - * %j The day of the year as a decimal number (range 001 to 366). - * %k The hour (24-hour clock) as a decimal number (range 0 to 23); - * single digits are preceded by a blank. (See also %H.) (TZ) - * %l The hour (12-hour clock) as a decimal number (range 1 to 12); - * single digits are preceded by a blank. (See also %I.) (TZ) - * %m The month as a decimal number (range 01 to 12). - * %M The minute as a decimal number (range 00 to 59). - * %n A newline character. (SU) - * %p Either "AM" or "PM" according to the given time value, or the - * corresponding strings for the current locale. Noon is treated - * as "PM" and midnight as "AM". - * %P Like %p but in lowercase: "am" or "pm" or a corresponding string - * for the current locale. (GNU) - * %s The number of seconds since the Epoch, that is, since 1970-01-01 - * 00:00:00 UTC. (TZ) - * %S The second as a decimal number (range 00 to 60). (The range is - * up to 60 to allow for occasional leap seconds.) - * %t A tab character. (SU) - * %y The year as a decimal number without a century (range 00 to 99). - * %Y The year as a decimal number including the century. - * %% A literal '%' character. - * - * Returned Value: - * The strftime() function returns the number of characters placed in the - * array s, not including the terminating null byte, provided the string, - * including the terminating null byte, fits. Otherwise, it returns 0, - * and the contents of the array is undefined. - * - ****************************************************************************/ - -size_t strftime(char *s, size_t max, const char *format, const struct tm *tm) -{ - const char *str; - char *dest = s; - int chleft = max; - int value; - int len; - - while (*format && chleft > 0) - { - /* Just copy regular characters */ - - if (*format != '%') - { - *dest++ = *format++; - chleft--; - continue; - } - - /* Handle the format character */ - - format++; - len = 0; - - switch (*format++) - { - /* %a: A three-letter abbreviation for the day of the week. */ - /* %A: The full name for the day of the week. */ - - case 'a': - case 'A': - { - len = snprintf(dest, chleft, "Day"); /* Not supported */ - } - break; - - /* %h: Equivalent to %b */ - - case 'h': - - /* %b: The abbreviated month name according to the current locale. */ - - case 'b': - { - if (tm->tm_mon < 12) - { - str = g_abbrevmonthname[tm->tm_mon]; - len = snprintf(dest, chleft, "%s", str); - } - } - break; - - /* %B: The full month name according to the current locale. */ - - case 'B': - { - if (tm->tm_mon < 12) - { - str = g_monthname[tm->tm_mon]; - len = snprintf(dest, chleft, "%s", str); - } - } - break; - - /* %y: The year as a decimal number without a century (range 00 to 99). */ - - case 'y': - - /* %C: The century number (year/100) as a 2-digit integer. */ - - case 'C': - { - len = snprintf(dest, chleft, "%02d", tm->tm_year % 100); - } - break; - - /* %d: The day of the month as a decimal number (range 01 to 31). */ - - case 'd': - { - len = snprintf(dest, chleft, "%02d", tm->tm_mday); - } - break; - - /* %e: Like %d, the day of the month as a decimal number, but a leading - * zero is replaced by a space. - */ - - case 'e': - { - len = snprintf(dest, chleft, "%2d", tm->tm_mday); - } - break; - - /* %H: The hour as a decimal number using a 24-hour clock (range 00 to 23). */ - - case 'H': - { - len = snprintf(dest, chleft, "%02d", tm->tm_hour); - } - break; - - /* %I: The hour as a decimal number using a 12-hour clock (range 01 to 12). */ - - case 'I': - { - len = snprintf(dest, chleft, "%02d", tm->tm_hour % 12); - } - break; - - /* %j: The day of the year as a decimal number (range 001 to 366). */ - - case 'j': - { - if (tm->tm_mon < 12) - { - value = clock_daysbeforemonth(tm->tm_mon, clock_isleapyear(tm->tm_year)) + tm->tm_mday; - len = snprintf(dest, chleft, "%03d", value); - } - } - break; - - /* %k: The hour (24-hour clock) as a decimal number (range 0 to 23); - * single digits are preceded by a blank. - */ - - case 'k': - { - len = snprintf(dest, chleft, "%2d", tm->tm_hour); - } - break; - - /* %l: The hour (12-hour clock) as a decimal number (range 1 to 12); - * single digits are preceded by a blank. - */ - - case 'l': - { - len = snprintf(dest, chleft, "%2d", tm->tm_hour % 12); - } - break; - - /* %m: The month as a decimal number (range 01 to 12). */ - - case 'm': - { - len = snprintf(dest, chleft, "%02d", tm->tm_mon + 1); - } - break; - - /* %M: The minute as a decimal number (range 00 to 59). */ - - case 'M': - { - len = snprintf(dest, chleft, "%02d", tm->tm_min); - } - break; - - /* %n: A newline character. */ - - case 'n': - { - *dest = '\n'; - len = 1; - } - break; - - /* %p: Either "AM" or "PM" according to the given time value. */ - - case 'p': - { - if (tm->tm_hour >= 12) - { - str = "PM"; - } - else - { - str = "AM"; - } - len = snprintf(dest, chleft, "%s", str); - } - break; - - /* %P: Like %p but in lowercase: "am" or "pm" */ - - case 'P': - { - if (tm->tm_hour >= 12) - { - str = "pm"; - } - else - { - str = "am"; - } - len = snprintf(dest, chleft, "%s", str); - } - break; - - /* %s: The number of seconds since the Epoch, that is, since 1970-01-01 - * 00:00:00 UTC. - */ - - case 's': - { - len = snprintf(dest, chleft, "%d", mktime(tm)); - } - break; - - /* %S: The second as a decimal number (range 00 to 60). (The range is - * up to 60 to allow for occasional leap seconds.) - */ - - case 'S': - { - len = snprintf(dest, chleft, "%02d", tm->tm_sec); - } - break; - - /* %t: A tab character. */ - - case 't': - { - *dest = '\t'; - len = 1; - } - break; - - /* %Y: The year as a decimal number including the century. */ - - case 'Y': - { - len = snprintf(dest, chleft, "%04d", tm->tm_year + 1900); - } - break; - - /* %%: A literal '%' character. */ - - case '%': - { - *dest = '%'; - len = 1; - } - break; - } - - /* Update counts and pointers */ - - dest += len; - chleft -= len; - } - - return max - chleft; -} diff --git a/nuttx/lib/time/lib_time.c b/nuttx/lib/time/lib_time.c deleted file mode 100644 index 106a04c36..000000000 --- a/nuttx/lib/time/lib_time.c +++ /dev/null @@ -1,110 +0,0 @@ -/**************************************************************************** - * lib/time/lib_time.c - * - * Copyright (C) 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 <sys/time.h> -#include <time.h> - -#ifndef CONFIG_DISABLE_CLOCK - -/**************************************************************************** - * Pre-processor Definitions - ****************************************************************************/ - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Function: time - * - * Description: - * Get the current calendar time as a time_t object. The function returns - * this value, and if the argument is not a null pointer, the value is also - * set to the object pointed by tloc. - * - * Note that this function is just a thin wrapper around gettimeofday() - * and is provided for compatibility. gettimeofday() is the preffered way - * to obtain system time. - * - * Parameters: - * Pointer to an object of type time_t, where the time value is stored. - * Alternativelly, this parameter can be a null pointer, in which case the - * parameter is not used, but a time_t object is still returned by the - * function. - * - * Return Value: - * The current calendar time as a time_t object. If the argument is not - * a null pointer, the return value is the same as the one stored in the - * location pointed by the argument. - * - * If the function could not retrieve the calendar time, it returns a -1 - * value. - * - ****************************************************************************/ - -time_t time(time_t *tloc) -{ - struct timeval tp; - int ret; - - /* Get the current time from the system */ - - ret = gettimeofday(&tp, NULL); - if (ret == OK) - { - /* Return the seconds since the epoch */ - - if (tloc) - { - *tloc = tp.tv_sec; - } - - return tp.tv_sec; - } - - return (time_t)ERROR; -} - -#endif /* !CONFIG_DISABLE_CLOCK */ |