[PATCH 2/5] ucrtbase: strftime returns 4-digit timezone for %z.
whydoubt at gmail.com
Wed Nov 13 14:57:43 CST 2019
On Wed, Nov 13, 2019 at 11:30 AM Piotr Caban <piotr at codeweavers.com> wrote:
> From: Jeff Smith <whydoubt at gmail.com>
> Signed-off-by: Jeff Smith <whydoubt at gmail.com>
> Signed-off-by: Piotr Caban <piotr at codeweavers.com>
> dlls/msvcrt/time.c | 30 ++++++++++++++++++++++++++++++
> dlls/ucrtbase/tests/misc.c | 6 ++++++
> 2 files changed, 36 insertions(+)
There was a subtle but important point that I failed to document in my
patch, and the re-write has it wrong.
Note that the test only checks the format of the returned string, and
not the value.
The %z format (with ucrtbase) is essentially the RFC822 time zone
format, and the sign is reversed from how the value is stored.
- If the timezone offset is negative or zero, the sign should be '+'.
- If the timezone offset is positive, the sign should be '-'. (e.g.
CST: 21600 is stored, but %z results in "-0600")
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