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This commit is contained in:
Marian Krivos 2011-08-22 17:06:17 +00:00
parent 67e32de62d
commit 2e33892bc2
1 changed files with 41 additions and 4 deletions
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43
Foundation/src/LocalDateTime.cpp
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@ -37,8 +37,12 @@
#include "Poco/LocalDateTime.h"
#include "Poco/Timezone.h"
#include "Poco/Timespan.h"
#include "Poco/Exception.h"
#include <algorithm>
#include <ctime>
#if defined(_WIN32_WCE)
#include "wce_time.h"
#endif
namespace Poco {
@ -274,6 +278,36 @@ LocalDateTime& LocalDateTime::operator -= (const Timespan& span)
void LocalDateTime::determineTzd(bool adjust)
{
if (adjust)
{
std::time_t epochTime = _dateTime.timestamp().epochTime();
#if defined(_WIN32) || defined(POCO_NO_POSIX_TSF)
#if defined(_WIN32_WCE)
std::tm* broken = wceex_localtime(&epochTime);
#else
std::tm* broken = std::localtime(&epochTime);
#endif
if (!broken) throw Poco::SystemException("cannot get local time");
_tzd = (Timezone::utcOffset() + ((broken->tm_isdst == 1) ? 3600 : 0));
#else
std::tm broken;
if (!localtime_r(&epochTime, &broken))
throw Poco::SystemException("cannot get local time");
_tzd = (Timezone::utcOffset() + ((broken.tm_isdst == 1) ? 3600 : 0));
#endif
adjustForTzd();
}
else
{
int dst;
dstOffset(dst);
_tzd = (Timezone::utcOffset() + dst);
}
}
std::time_t LocalDateTime::dstOffset(int& dstOffset) const
{
std::time_t local;
std::tm broken;
@ -285,11 +319,14 @@ void LocalDateTime::determineTzd(bool adjust)
broken.tm_min = _dateTime.minute();
broken.tm_sec = _dateTime.second();
broken.tm_isdst = -1;
#if defined(_WIN32_WCE)
local = wceex_mktime(&broken);
#else
local = std::mktime(&broken);
#endif
_tzd = (Timezone::utcOffset() + ((broken.tm_isdst == 1) ? 3600 : 0));
if (adjust)
adjustForTzd();
dstOffset = (broken.tm_isdst == 1) ? 3600 : 0;
return local;
}