diff --git a/components/libc/compilers/minilibc/time.c b/components/libc/compilers/minilibc/time.c index c04652c884..25e8f0e310 100644 --- a/components/libc/compilers/minilibc/time.c +++ b/components/libc/compilers/minilibc/time.c @@ -11,20 +11,20 @@ /* days per month -- nonleap! */ const short __spm[13] = - { 0, +{ 0, (31), - (31+28), - (31+28+31), - (31+28+31+30), - (31+28+31+30+31), - (31+28+31+30+31+30), - (31+28+31+30+31+30+31), - (31+28+31+30+31+30+31+31), - (31+28+31+30+31+30+31+31+30), - (31+28+31+30+31+30+31+31+30+31), - (31+28+31+30+31+30+31+31+30+31+30), - (31+28+31+30+31+30+31+31+30+31+30+31), - }; + (31 + 28), + (31 + 28 + 31), + (31 + 28 + 31 + 30), + (31 + 28 + 31 + 30 + 31), + (31 + 28 + 31 + 30 + 31 + 30), + (31 + 28 + 31 + 30 + 31 + 30 + 31), + (31 + 28 + 31 + 30 + 31 + 30 + 31 + 31), + (31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30), + (31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31), + (31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30), + (31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + 31), +}; static long int timezone; static const char days[] = "Sun Mon Tue Wed Thu Fri Sat "; static const char months[] = "Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec "; @@ -34,183 +34,183 @@ static const char months[] = "Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec "; int __isleap(int year) { - /* every fourth year is a leap year except for century years that are - * not divisible by 400. */ - /* return (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0)); */ - return (!(year % 4) && ((year % 100) || !(year % 400))); + /* every fourth year is a leap year except for century years that are + * not divisible by 400. */ + /* return (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0)); */ + return (!(year % 4) && ((year % 100) || !(year % 400))); } struct tm *gmtime_r(const time_t *timep, struct tm *r) { - time_t i; - register time_t work = *timep % (SPD); - r->tm_sec = work % 60; - work /= 60; - r->tm_min = work % 60; - r->tm_hour = work / 60; - work = *timep / (SPD); - r->tm_wday = (4 + work) % 7; - for (i = 1970;; ++i) - { - register time_t k = __isleap(i) ? 366 : 365; - if (work >= k) - work -= k; - else - break; - } - r->tm_year = i - 1900; - r->tm_yday = work; + time_t i; + register time_t work = *timep % (SPD); + r->tm_sec = work % 60; + work /= 60; + r->tm_min = work % 60; + r->tm_hour = work / 60; + work = *timep / (SPD); + r->tm_wday = (4 + work) % 7; + for (i = 1970;; ++i) + { + register time_t k = __isleap(i) ? 366 : 365; + if (work >= k) + work -= k; + else + break; + } + r->tm_year = i - 1900; + r->tm_yday = work; - r->tm_mday = 1; - if (__isleap(i) && (work > 58)) - { - if (work == 59) - r->tm_mday = 2; /* 29.2. */ - work -= 1; - } + r->tm_mday = 1; + if (__isleap(i) && (work > 58)) + { + if (work == 59) + r->tm_mday = 2; /* 29.2. */ + work -= 1; + } - for (i = 11; i && (__spm[i] > work); --i) - ; - r->tm_mon = i; - r->tm_mday += work - __spm[i]; - return r; + for (i = 11; i && (__spm[i] > work); --i) + ; + r->tm_mon = i; + r->tm_mday += work - __spm[i]; + return r; } struct tm* localtime_r(const time_t* t, struct tm* r) { - time_t tmp; - struct timezone tz = {0}; - gettimeofday(0, &tz); - timezone = tz.tz_minuteswest * 60L; - tmp = *t + timezone; - return gmtime_r(&tmp, r); + time_t tmp; + struct timezone tz = {0}; + gettimeofday(0, &tz); + timezone = tz.tz_minuteswest * 60L; + tmp = *t + timezone; + return gmtime_r(&tmp, r); } struct tm* localtime(const time_t* t) { - static struct tm tmp; - return localtime_r(t, &tmp); + static struct tm tmp; + return localtime_r(t, &tmp); } time_t mktime(struct tm * const t) { - register time_t day; - register time_t i; - register time_t years = t->tm_year - 70; + register time_t day; + register time_t i; + register time_t years = t->tm_year - 70; - if (t->tm_sec > 60) - { - t->tm_min += t->tm_sec / 60; - t->tm_sec %= 60; - } - if (t->tm_min > 60) - { - t->tm_hour += t->tm_min / 60; - t->tm_min %= 60; - } - if (t->tm_hour > 24) - { - t->tm_mday += t->tm_hour / 24; - t->tm_hour %= 24; - } - if (t->tm_mon > 12) - { - t->tm_year += t->tm_mon / 12; - t->tm_mon %= 12; - } - while (t->tm_mday > __spm[1 + t->tm_mon]) - { - if (t->tm_mon == 1 && __isleap(t->tm_year + 1900)) - { - --t->tm_mday; - } - t->tm_mday -= __spm[t->tm_mon]; - ++t->tm_mon; - if (t->tm_mon > 11) - { - t->tm_mon = 0; - ++t->tm_year; - } - } + if (t->tm_sec > 60) + { + t->tm_min += t->tm_sec / 60; + t->tm_sec %= 60; + } + if (t->tm_min > 60) + { + t->tm_hour += t->tm_min / 60; + t->tm_min %= 60; + } + if (t->tm_hour > 24) + { + t->tm_mday += t->tm_hour / 24; + t->tm_hour %= 24; + } + if (t->tm_mon > 12) + { + t->tm_year += t->tm_mon / 12; + t->tm_mon %= 12; + } + while (t->tm_mday > __spm[1 + t->tm_mon]) + { + if (t->tm_mon == 1 && __isleap(t->tm_year + 1900)) + { + --t->tm_mday; + } + t->tm_mday -= __spm[t->tm_mon]; + ++t->tm_mon; + if (t->tm_mon > 11) + { + t->tm_mon = 0; + ++t->tm_year; + } + } - if (t->tm_year < 70) - return (time_t) -1; + if (t->tm_year < 70) + return (time_t) - 1; - /* Days since 1970 is 365 * number of years + number of leap years since 1970 */ - day = years * 365 + (years + 1) / 4; + /* Days since 1970 is 365 * number of years + number of leap years since 1970 */ + day = years * 365 + (years + 1) / 4; - /* After 2100 we have to substract 3 leap years for every 400 years - This is not intuitive. Most mktime implementations do not support - dates after 2059, anyway, so we might leave this out for it's - bloat. */ - if (years >= 131) - { - years -= 131; - years /= 100; - day -= (years >> 2) * 3 + 1; - if ((years &= 3) == 3) - years--; - day -= years; - } + /* After 2100 we have to substract 3 leap years for every 400 years + This is not intuitive. Most mktime implementations do not support + dates after 2059, anyway, so we might leave this out for it's + bloat. */ + if (years >= 131) + { + years -= 131; + years /= 100; + day -= (years >> 2) * 3 + 1; + if ((years &= 3) == 3) + years--; + day -= years; + } - day += t->tm_yday = __spm[t->tm_mon] + t->tm_mday - 1 + - (__isleap(t->tm_year + 1900) & (t->tm_mon > 1)); + day += t->tm_yday = __spm[t->tm_mon] + t->tm_mday - 1 + + (__isleap(t->tm_year + 1900) & (t->tm_mon > 1)); - /* day is now the number of days since 'Jan 1 1970' */ - i = 7; - t->tm_wday = (day + 4) % i; /* Sunday=0, Monday=1, ..., Saturday=6 */ + /* day is now the number of days since 'Jan 1 1970' */ + i = 7; + t->tm_wday = (day + 4) % i; /* Sunday=0, Monday=1, ..., Saturday=6 */ - i = 24; - day *= i; - i = 60; - return ((day + t->tm_hour) * i + t->tm_min) * i + t->tm_sec; + i = 24; + day *= i; + i = 60; + return ((day + t->tm_hour) * i + t->tm_min) * i + t->tm_sec; } static void num2str(char *c, int i) { - c[0] = i / 10 + '0'; - c[1] = i % 10 + '0'; + c[0] = i / 10 + '0'; + c[1] = i % 10 + '0'; } char *asctime_r(const struct tm *t, char *buf) { - /* "Wed Jun 30 21:49:08 1993\n" */ - *(int*) buf = *(int*) (days + (t->tm_wday << 2)); - *(int*) (buf + 4) = *(int*) (months + (t->tm_mon << 2)); - num2str(buf + 8, t->tm_mday); - if (buf[8] == '0') - buf[8] = ' '; - buf[10] = ' '; - num2str(buf + 11, t->tm_hour); - buf[13] = ':'; - num2str(buf + 14, t->tm_min); - buf[16] = ':'; - num2str(buf + 17, t->tm_sec); - buf[19] = ' '; - num2str(buf + 20, (t->tm_year + 1900) / 100); - num2str(buf + 22, (t->tm_year + 1900) % 100); - buf[24] = '\n'; - return buf; + /* "Wed Jun 30 21:49:08 1993\n" */ + *(int*) buf = *(int*) (days + (t->tm_wday << 2)); + *(int*) (buf + 4) = *(int*) (months + (t->tm_mon << 2)); + num2str(buf + 8, t->tm_mday); + if (buf[8] == '0') + buf[8] = ' '; + buf[10] = ' '; + num2str(buf + 11, t->tm_hour); + buf[13] = ':'; + num2str(buf + 14, t->tm_min); + buf[16] = ':'; + num2str(buf + 17, t->tm_sec); + buf[19] = ' '; + num2str(buf + 20, (t->tm_year + 1900) / 100); + num2str(buf + 22, (t->tm_year + 1900) % 100); + buf[24] = '\n'; + return buf; } char *asctime(const struct tm *timeptr) { - static char buf[25]; - return asctime_r(timeptr, buf); + static char buf[25]; + return asctime_r(timeptr, buf); } char *ctime(const time_t *timep) { - return asctime(localtime(timep)); + return asctime(localtime(timep)); } #ifdef RT_USING_DEVICE int gettimeofday(struct timeval *tp, void *ignore) { - time_t time; - rt_device_t device; + time_t time; + rt_device_t device; - device = rt_device_find("rtc"); + device = rt_device_find("rtc"); RT_ASSERT(device != RT_NULL); rt_device_control(device, RT_DEVICE_CTRL_RTC_GET_TIME, &time);