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Diffstat (limited to 'ruby_1_8_6/wince/time_wce.c')
| -rw-r--r-- | ruby_1_8_6/wince/time_wce.c | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/ruby_1_8_6/wince/time_wce.c b/ruby_1_8_6/wince/time_wce.c new file mode 100644 index 0000000000..ed9b3386bd --- /dev/null +++ b/ruby_1_8_6/wince/time_wce.c @@ -0,0 +1,301 @@ +/*************************************************************** + time.c + + author : uema2 + date : Nov 30, 2002 + + You can freely use, copy, modify, and redistribute + the whole contents. +***************************************************************/ + +/*#define __SCRATCH_TIMEC_DEBUG__ */ + +#include <windows.h> +#include <tchar.h> +#include <time.h> + +/* globals */ +const __int64 _onesec_in100ns = (__int64)10000000; +int timezone, _timezone, altzone; +int daylight; +char *tzname[2]; + + +/* __int64 <--> FILETIME */ +static __int64 wce_FILETIME2int64(FILETIME f) +{ + __int64 t; + + t = f.dwHighDateTime; + t <<= 32; + t |= f.dwLowDateTime; + return t; +} + +static FILETIME wce_int642FILETIME(__int64 t) +{ + FILETIME f; + + f.dwHighDateTime = (DWORD)((t >> 32) & 0x00000000FFFFFFFF); + f.dwLowDateTime = (DWORD)( t & 0x00000000FFFFFFFF); + return f; +} + +/* FILETIME utility */ +static FILETIME wce_getFILETIMEFromYear(WORD year) +{ + SYSTEMTIME s={0}; + FILETIME f; + + s.wYear = year; + s.wMonth = 1; + s.wDayOfWeek = 1; + s.wDay = 1; + + SystemTimeToFileTime( &s, &f ); + return f; +} + +static time_t wce_getYdayFromSYSTEMTIME(const SYSTEMTIME* s) +{ + __int64 t; + FILETIME f1, f2; + + f1 = wce_getFILETIMEFromYear( s->wYear ); + SystemTimeToFileTime( s, &f2 ); + + t = wce_FILETIME2int64(f2)-wce_FILETIME2int64(f1); + + return (time_t)((t/_onesec_in100ns)/(60*60*24)); +} + +/* tm <--> SYSTEMTIME */ +static SYSTEMTIME wce_tm2SYSTEMTIME(struct tm *t) +{ + SYSTEMTIME s; + + s.wYear = t->tm_year + 1900; + s.wMonth = t->tm_mon + 1; + s.wDayOfWeek = t->tm_wday; + s.wDay = t->tm_mday; + s.wHour = t->tm_hour; + s.wMinute = t->tm_min; + s.wSecond = t->tm_sec; + s.wMilliseconds = 0; + + return s; +} + +static struct tm wce_SYSTEMTIME2tm(SYSTEMTIME *s) +{ + struct tm t; + + t.tm_year = s->wYear - 1900; + t.tm_mon = s->wMonth- 1; + t.tm_wday = s->wDayOfWeek; + t.tm_mday = s->wDay; + t.tm_yday = wce_getYdayFromSYSTEMTIME(s); + t.tm_hour = s->wHour; + t.tm_min = s->wMinute; + t.tm_sec = s->wSecond; + t.tm_isdst = 0; + + return t; +} + +/* FILETIME <--> time_t */ +time_t wce_FILETIME2time_t(const FILETIME* f) +{ + FILETIME f1601, f1970; + __int64 t, offset; + + f1601 = wce_getFILETIMEFromYear(1601); + f1970 = wce_getFILETIMEFromYear(1970); + + offset = wce_FILETIME2int64(f1970) - wce_FILETIME2int64(f1601); + + t = wce_FILETIME2int64(*f); + + t -= offset; + return (time_t)(t / _onesec_in100ns); +} + +FILETIME wce_time_t2FILETIME(const time_t t) +{ + FILETIME f, f1970; + __int64 time; + + f1970 = wce_getFILETIMEFromYear(1970); + + time = t; + time *= _onesec_in100ns; + time += wce_FILETIME2int64(f1970); + + f = wce_int642FILETIME(time); + + return f; +} + +/* time.h difinition */ +time_t time( time_t *timer ) +{ + SYSTEMTIME s; + FILETIME f; + + if( timer==NULL ) return 0; + + GetSystemTime( &s ); + + SystemTimeToFileTime( &s, &f ); + + *timer = wce_FILETIME2time_t(&f); + return *timer; +} + +struct tm *localtime( const time_t *timer ) +{ + SYSTEMTIME ss, ls, s; + FILETIME sf, lf, f; + __int64 t, diff; + static struct tm tms; + + GetSystemTime(&ss); + GetLocalTime(&ls); + + SystemTimeToFileTime( &ss, &sf ); + SystemTimeToFileTime( &ls, &lf ); + + diff = wce_FILETIME2int64(sf) - wce_FILETIME2int64(lf); + + f = wce_time_t2FILETIME(*timer); + t = wce_FILETIME2int64(f) - diff; + f = wce_int642FILETIME(t); + + FileTimeToSystemTime( &f, &s ); + + tms = wce_SYSTEMTIME2tm(&s); + + return &tms; +} + +time_t mktime(struct tm* pt) +{ + SYSTEMTIME ss, ls, s; + FILETIME sf, lf, f; + __int64 diff; + + GetSystemTime(&ss); + GetLocalTime(&ls); + SystemTimeToFileTime( &ss, &sf ); + SystemTimeToFileTime( &ls, &lf ); + + diff = (wce_FILETIME2int64(lf)-wce_FILETIME2int64(sf))/_onesec_in100ns; + + s = wce_tm2SYSTEMTIME(pt); + SystemTimeToFileTime( &s, &f ); + return wce_FILETIME2time_t(&f) - (time_t)diff; +} + +struct tm *gmtime(const time_t *t) +{ + FILETIME f; + SYSTEMTIME s; + static struct tm tms; + + f = wce_time_t2FILETIME(*t); + FileTimeToSystemTime(&f, &s); + tms = wce_SYSTEMTIME2tm(&s); + return &tms; +} + +char* ctime( const time_t *t ) +{ + // Wed Jan 02 02:03:55 1980\n\0 + static char buf[30]={0}; + char week[] = "Sun Mon Tue Wed Thr Fri Sat "; + char month[]= "Jan Feb Mar Apl May Jun Jul Aug Sep Oct Nov Dec "; + struct tm tms; + + tms = *localtime(t); + + strncpy( buf, week+tms.tm_wday*4, 4 ); + strncpy( buf+4, month+tms.tm_mon*4, 4 ); + sprintf( buf+8, "%02d ", tms.tm_mday ); + sprintf( buf+11, "%02d:%02d:%02d %d\n", + tms.tm_hour, tms.tm_min, tms.tm_sec, tms.tm_year+1900 ); + return buf; +} + +char *asctime(const struct tm *pt) +{ + static char buf[30]={0}; + char week[] = "Sun Mon Tue Wed Thr Fri Sat "; + char month[]= "Jan Feb Mar Apl May Jun Jul Aug Sep Oct Nov Dec "; + + strncpy( buf, week+pt->tm_wday*4, 4 ); + strncpy( buf+4, month+pt->tm_mon*4, 4 ); + sprintf( buf+8, "%02d ", pt->tm_mday ); + sprintf( buf+11, "%02d:%02d:%02d %d\n", + pt->tm_hour, pt->tm_min, pt->tm_sec, pt->tm_year+1900 ); + return buf; +} + +void tzset() +{ + daylight = 1; + _timezone = 28800; + timezone = 28800; +} + +int clock(void) +{ + return 1; +} + +//--------------------------------------------------------------- +#ifdef __SCRATCH_TIMEC_DEBUG__ + +int main() +{ + time_t t1, t2; + struct tm tm1, tm2; + + time( &t1 ); + tm1 = *localtime(&t1); + t1 = mktime(&tm1); + tm1 = *gmtime(&t1); + + _time( &t2 ); + tm2 = *_localtime(&t2); + t2 = _mktime(&tm2); + tm2 = *_gmtime(&t2); + + // time, mktime + if( t1==t2 ) + OutputDebugString( "ok\n" ); + else + { + static char buf[128]; + wsprintf( buf, "ng : %d, %d\n", t1, t2 ); + OutputDebugString( buf ); + } + + // localtime, gmtime + if( 0==memcmp( &tm1, &tm2, sizeof(struct tm) ) ) + OutputDebugString( "ok\n" ); + else + OutputDebugString( "ng\n" ); + + // ctime + OutputDebugString( ctime(&t1) ); + OutputDebugString( _ctime(&t2) ); + + // asctime + OutputDebugString( asctime(&tm1) ); + OutputDebugString( _asctime(&tm2) ); + + return 0; +} + +#endif + |