Installing Mozilla

Juan Lang juan_lang at yahoo.com
Sat Apr 23 10:05:27 CDT 2005


--- Alex Woods <wine-devel at giblets.org> wrote:
> Well, here is a +relay,+nls log of what's happening just before the
> invalid memory address gets passed back.

Sweet, this turns up what we're looking for.  (That doesn't mean I have a
patch though.)  Hey James, we're back to it being a Wine bug, though Moz
is doing something moderately questionable.

> 0011:Call kernel32.GetTimeZoneInformation(55c08a34) ret=60f61cd6
> 0011:Call ntdll.RtlQueryTimeZoneInformation(55c08a34) ret=55a6fae5
> 0011:Ret  ntdll.RtlQueryTimeZoneInformation() retval=00000000
> ret=55a6fae5
> 0011:Call ntdll.NtQuerySystemTime(55c08874) ret=55a6ebc5
> 0011:Ret  ntdll.NtQuerySystemTime() retval=00000000 ret=55a6ebc5
> 0011:Ret  kernel32.GetTimeZoneInformation() retval=00000000 ret=60f61cd6
> 0011:Call kernel32.WideCharToMultiByte(00000000,00000000,55c08a38 L"GMT
> Standard Time",ffffffff,99806858,00000020,00000000,00000000)
> ret=60f61cfd

I went over to lxr.mozilla.org/seamonkey and searched for
GetTimeZoneInformation.  That produced the following file:
http://lxr.mozilla.org/seamonkey/source/nsprpub/pr/src/md/windows/ntmisc.c

They're doing a WideCharToMultiByte into the global variable _tzname.  As
the comment says, perhaps they shouldn't be..  Anyway, _tzname should live
in msvcrt, but our include/msvcrt/time.h has:
/* FIXME: Must do something for _daylight, _dstbias, _timezone, _tzname */

I'm pretty sure we don't support exporting globals from a DLL, so some
other trick has to be dreamt up.  I'll try to hack something up.

--Juan

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