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#include "headers.h"
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void
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smbplan9time2datetime(ulong time, int tzoff, ushort *datep, ushort *timep)
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{
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	Tm *tm;
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	if (tzoff < 0)
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		time -= (ulong)-tzoff;
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	else
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		time += tzoff;
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	tm = gmtime(time);
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	*datep = (tm->mday) | ((tm->mon + 1) << 5) | ((tm->year - 80) << 9);
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	*timep = (tm->sec >> 1) | (tm->min << 5) | (tm->hour << 11);
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}
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ulong
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smbdatetime2plan9time(ushort date, ushort time, int tzoff)
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{
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	Tm tm;
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	strcpy(tm.zone, "GMT");
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	tm.mday = date & 0x1f;
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	tm.mon = ((date >> 5) & 0xf) - 1;
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	tm.year = (date >> 9) + 80;
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	tm.yday = 0;
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	tm.sec = (time & 0x1f) << 1;
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	tm.min = (time >> 5) & 0x3f;
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	tm.hour = time >> 11;
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	smblogprint(-1, "smbdatetime2plan9time: converting %d/%d/%d %d:%d:%d\n",
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		tm.year + 1900, tm.mon + 1, tm.mday, tm.hour, tm.min, tm.sec);
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	return tm2sec(&tm) - tzoff;
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}
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vlong
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smbplan9time2time(ulong time)
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{
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	return ((vlong)time + 11644473600LL) * 10000000;
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}
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ulong
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smbtime2plan9time(vlong nttime)
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{
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	return (nttime / 10000000 - 11644473600LL);
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}
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ulong
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smbplan9time2utime(ulong time, int tzoff)
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{
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	if (tzoff < 0)
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		time -= (ulong)-tzoff;
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	else
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		time += tzoff;
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	return time;
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}
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ulong
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smbutime2plan9time(ulong utime, int tzoff)
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{
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	if (tzoff < 0)
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		utime += (ulong)-tzoff;
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	else
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		utime -= tzoff;
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	return utime;
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}