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  • Committer: Olaf van der Spek
  • Date: 2011-04-16 13:00:30 UTC
  • mto: (2280.2.3 build)
  • mto: This revision was merged to the branch mainline in revision 2281.
  • Revision ID: olafvdspek@gmail.com-20110416130030-53mitypb2aenxpkb
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drizzled/tztime.cc
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class Time_zone_system : public Time_zone
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{
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public:
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  Time_zone_system() {}                       /* Remove gcc warning */
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  virtual type::Time::epoch_t TIME_to_gmt_sec(const type::Time &t,
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                                              bool *in_dst_time_gap) const;
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  virtual void gmt_sec_to_TIME(type::Time &tmp, type::Time::epoch_t t) const;
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  virtual const String * get_name() const;
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};
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/**
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 * @brief
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 * Converts local time in system time zone in type::Time representation
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 * to its type::Time::epoch_t representation.
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 *
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 * @details
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 * This method uses system function (localtime_r()) for conversion
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 * local time in system time zone in type::Time structure to its type::Time::epoch_t
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 * representation. Unlike the same function for Time_zone_db class
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 * it it won't handle unnormalized input properly. Still it will
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 * return lowest possible type::Time::epoch_t in case of ambiguity or if we
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 * provide time corresponding to the time-gap.
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 *
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 * You should call init_time() function before using this function.
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 *
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 * @param   t               pointer to type::Time structure with local time in
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 *                          broken-down representation.
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 * @param   in_dst_time_gap pointer to bool which is set to true if datetime
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 *                          value passed doesn't really exist (i.e. falls into
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 *                          spring time-gap) and is not touched otherwise.
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 *
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 * @return
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 * Corresponding type::Time::epoch_t value or 0 in case of error
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 */
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type::Time::epoch_t
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Time_zone_system::TIME_to_gmt_sec(const type::Time &t, bool *in_dst_time_gap) const
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{
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  long not_used;
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  type::Time::epoch_t tmp;
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  t.convert(tmp, &not_used, in_dst_time_gap);
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  return tmp;
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}
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/**
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 * @brief
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 * Converts time from UTC seconds since Epoch (type::Time::epoch_t) representation
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 * to system local time zone broken-down representation.
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 *
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}
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/**
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 * @brief
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 * Get name of time zone
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 *
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 * @return
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 * Name of time zone as String
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 */
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const String *
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Time_zone_system::get_name() const
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{
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  return &tz_SYSTEM_name;
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}
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static Time_zone_system tz_SYSTEM;
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Time_zone *my_tz_SYSTEM= &tz_SYSTEM;