Re: [PATCHv2] util: fix virTimeLocalOffsetFromUTC DST processing

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On 05/28/2014 05:51 PM, Eric Blake wrote:
> On 05/28/2014 04:46 AM, Laine Stump wrote:
>> The original version of virTimeLocalOffsetFromUTC() would fail for
>> certain times of the day if daylight savings time was active. This
>> could most easily be seen by uncommenting the TEST_LOCALOFFSET() cases
>> that include a DST setting.
>
>>  src/util/virtime.c  |  3 +++
>>  tests/virtimetest.c | 61 ++++++++++++++++++++++++++++++++++++++++++++++-------
>>  2 files changed, 56 insertions(+), 8 deletions(-)
>>
>> diff --git a/src/util/virtime.c b/src/util/virtime.c
>> index 3a56400..c69dff1 100644
>> --- a/src/util/virtime.c
>> +++ b/src/util/virtime.c
>> @@ -377,6 +377,9 @@ virTimeLocalOffsetFromUTC(long *offset)
>>          return -1;
>>      }
>>  
>> +    /* tell mktime to figure out itself whether or not DST is in effect */
>> +    gmtimeinfo.tm_isdst = -1;
> As pointed out by Wangrui, you also need to fix the bogus reference to
> localtime_r() in the comments at the start of the function.
>
> ACK with that change; worth having in 1.2.5.  The rest of what follows
> is up to you if you ignore it.
>
>> +
>> +/* return true if the date is Jan 1 or Dec 31 (localtime) */
>> +static bool
>> +IsJan1OrDec31(void)
> Function names are usually camelCase, not StudlyCaps (s/Is/is/).
> Bikeshedding: maybe name it isNearYearEnd()?
>

Okay, I made both changes and pushed.

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