Description of problem:
I tried to enter date in register column date. I pressed t
(for today) and got: 9 VI 2007. Then I enter the transaction
and then I have: 29 XI 1898. Weird. The field also displays
something different when not selected.
I guess this is locale specific (my locale is pl_PL.UTF-8).
What I noticed in F7 is that date format for Poland was changed
to display month as roman numbers and my guess is this is a
problem. en_US.UTF-8 locale works fine.
Version-Release number of selected component (if applicable):
Date input fields do not work correctly.
Date input fields do work correctly.
This was introduced by date formats for polish locale.
for more information. Reassigning to glibc.
I had some second thoufgts on the problem and now
I am not 100% sure it really is glibc. The problem
can be fixed in at least 3 places and I am not
convinced to any of them:
1. D_FMT format as described in #1 but I've just
found out this is strfmt format string and gnucash uses
this in strptime and there is no such string defined
2. strptime should accept D_FMT string with flags
destined for strfmt and parse it ignoring these flags
3. gnucash should not use strptime with format string
obtained by nl_langinfo(D_FMT) but then there is a
question what format string should it use for date
formated in locale specific way?
Maybe we can see how OpenOffice calc does it (if it is
not broken as well).
for problems with strptime and especially comment #5
and comment #8 there.
I reassign this as gnucash violates rule specified there.
The correct way gnucash should do this probably is to
use '%x' format string insead of what nl_langinfo(D_FMT)
returns, but this does not work (see comment #9 above).
Now - I believe there is a problem in glibc but gnucash
developers/maintainers should be aware of this as they
may wish to workaround this or discuss with glibc folks
to fix it there.
So, there is no actual fix possible for gnucash, yet it's assigned there?
Well, the problem is twofold:
1. Gnucash uses string returned by nl_langinfo(D_FMT)
directly in strptime and according to Ulrich Drepper
this is forbidden as nl_langinfo(D_FMT) returns strftime
format string and not strptime format string (see comment
5 in the abovementioned glibc bug.
2. My guess is that correct way to get time in locale
format is to call strptime with '%x' format specifier.
Unfortunately this does not work on Fedora 7 at least in
Polish and Czech locale.
So the fix seems to be needed in both glibc and gnucash.
The problem is that Ulrich seems to be not convinced
by my arguments.
There is a possibility to work around a problem by
stripping format flags unrecognized by strptime in
gnucash. I think this is not the best way of doing
this but still this may be the only option if glibc
developers decide not to fix the problems in strptime.
I guess that the best way would be to discuss the bug in
broader circle but that's the thing I don't now how
to start and as you are (both you and Ulrich) employed
by the same company I hope that you can start the
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Two things to be noted here:
1. This problem spawned some heated discussions on glibc
which changed Polish date format. As far as I know it has
been reverted for some time now.
2. Gnucash probably shouldn't blindly rely on glibc functions
for date/time parsing as these functions are not always
guaranteed to work. But this is another story.
So I guess this one can be closed.