Re: [gccsdk] Unexpected results with fseek() and SEEK_CUR

On 16/03/2015 03:05, Theo Markettos wrote:
> On Mon, Mar 16, 2015 at 03:26:05PM +1300, Ron May wrote:
>> In article <5505980F.7020503@gmx.com>,
>> Duncan Moore <duncan.moore@gmx.com> wrote:
>>> but on RISC OS gcc 4.7.4, VirtualRPC-Adjust RISCOS 4.39, ARM 710, the
>>> last output line is wrong:
>>> abcdefghijklmnopq
>>> abcdefghi
>>> abcdefghijklmEopq
>>> RISC OS seems to be using SEEK_END instead of SEEK_CUR.
>>> Is this a bug in RISC OS gcc, or is it something that just can't be done
>>> on RISC OS?
>> Seems to do what you require here on my Iyonix.
> Is this HostFS on VirtualAcorn?

Yes it is.

> In which case all bets are off - it depends
> on how VA implements things, and whatever Windows behaviour it depends on.
> I wouldn't be surprised if there's some nuance of the filing system API that
> it doesn't support correctly, or isn't specified well enough.
>
> You could try on a virtual ADFS disc inside VA to see if it agrees.

Unfortunately, I have an old version of VA, without the virtual ADFS
disc, so I can't try that.
But from these replies it sounds likely that the problem lies with
HostFS, rather than gcc.

Thanks
Duncan

_______________________________________________
GCCSDK mailing list gcc@gccsdk.riscos.info
Bugzilla: http://www.riscos.info/bugzilla/index.cgi
List Info: http://www.riscos.info/mailman/listinfo/gcc
Main Page: http://www.riscos.info/index.php/GCCSDK