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Removed unused function getIsDST()

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Besides, it was also hardcoded to work only for some US states after 2005
This commit is contained in:
Ivan Skytte Jørgensen
2015-12-03 17:01:45 +01:00
parent 4efee531a3
commit 0306efcca2
2 changed files with 0 additions and 49 deletions

48
Address.cpp

@ -11162,54 +11162,6 @@ bool setFromStr ( Address *a, char *s, pbits_t flags ,
return true;
}
// . nowUTC is # secs elapsed since epoch in UTC (no DST)
// . currently in affect from 2nd sunday in march to first sunday in nov @ 2am
bool getIsDST ( int32_t nowUTC , char timezone2 ) {
// mod the time
time_t mod = (time_t)nowUTC ;
// add if known
if ( timezone2 != UNKNOWN_TIMEZONE ) {
// sanity check, make sure its the offset, not in seconds
if ( timezone2 > 13 ) { char *xx=NULL;*xx=0; }
if ( timezone2 < -13 ) { char *xx=NULL;*xx=0; }
mod += timezone2*3600;
}
// get DOW now
struct tm *timeStruct = gmtime ( &mod );
// certain months are always dst. jan = 0. goes from 0 to 11.
int32_t mon = timeStruct->tm_mon;
// feb=1,mar=2,apr=3,may=4,jun=5,jul=6,aug=7,sep=8,oct=9,nov=10,dec=11
if ( mon >= 3 && mon <= 9 ) return true;
// not in dec
if ( mon == 11 ) return false;
// not in jan or feb
if ( mon >= 0 && mon <= 1 ) return false;
// get dow. 0 to 6. 0 being sunday.
int32_t dow = timeStruct->tm_wday;
// what # of dow are we? i.e. xth monday, where x=dowCount
int32_t dowCount = 1 + timeStruct->tm_mday / 7;
// for march, if we are the 2nd dow, and not sunday, return true
if ( mon == 2 ) {
if ( dowCount <= 1 ) return false;
if ( dowCount >= 3 ) return true;
if ( dowCount == 2 && dow != 0 ) return true;
// if before 2nd sunday at 2am, not yet summer time
if ( dowCount == 2 && dow == 0 )
return ( timeStruct->tm_hour >= 2 );
}
// november
if ( mon == 10 ) {
if ( dowCount >= 2 ) return false;
if ( dowCount == 1 && dow != 0 ) return false;
// if before 1st sunday at 2am, it is still summer time
if ( dowCount == 1 && dow == 0 )
return ( timeStruct->tm_hour < 2 );
}
// how did we get here?
char *xx=NULL;*xx=0;
return false;
}
class CityStateDesc {
public:
float m_latitude;

1
Address.h

@ -712,7 +712,6 @@ extern bool setFromStr ( Address *a, char *s, pbits_t flags ,
#define UNKNOWN_TIMEZONE 100
extern bool getIsDST ( int32_t nowUTC , char timezone ) ;
// state is two letter state abbr
extern char getTimeZone2 ( char *city , char *state , char *useDST );
extern char getTimeZone3 ( uint32_t cid32 , char *useDST );