Re: [BUGS] BUG #1270: stack overflow in thread in fe_getauthname

One idea would be to use malloc() to allocate storage for the
thread-safe buffers when compiled with thread-safety, rather than using
the stack.

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Peter Davie wrote:
> Hi Tom,
>
> How many of these platforms you use are POSIX-compliant? This
> information came from the POSIX web site (NOT THE DIGITAL/COMPAQ/HP/...
> WEBSITE). Sysconf(_SC_GETPW_R_SIZE_MAX) is supported by Solaris 2.5,
> SCO UNIX (circa 1999!), Digital UNIX/Compaq Tru64 UNIX, FreeBSD, AIX,
> HP-UX, and probably many more.
>
> Maybe the non-compliant platforms should be catered for as "legacy" with
> support code in the "ports" area, and those that do adhere to open
> standards can be accommodated without breaking existing production
> applications.
>
> Thanks
> Peter
>
> Tom Lane wrote:
>
> >Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> >
> >
> >>OK, we got a report. I just thinkg 8192 is excessive for that
> >>structure, and if someone is having a problem, others might as well.
> >>
> >>
> >
> >
> >
> >>>On Tru64 UNIX, sysconf(_SC_GETPW_R_SIZE_MAX) returns 1024.
> >>>
> >>>
> >
> >I'd be more impressed by this line of reasoning if _SC_GETPW_R_SIZE_MAX
> >were defined on more than one of the platforms I use...
> >
> > regards, tom lane
> >
> >
>
>
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