Re: [Patch, libfortran] PR 40812 Large file support on MinGW

[Danny Smith <dannysmith at clear dot net dot nz>]

----- Original Message ----- 
From: "Danny Smith"
> Test of  Janne's patch on mingw32 (using Vista) shows problems.
> Although it fixes the testcases in the PR,  I get new failure
> FAIL: gfortran.dg/PR19872.f execution test
>
> Ditto for my revised patch that is pre-w2k compatible.
>
> I suspect one problem is that we fail to lock the lowio handle for the
> filedes in raw_truncate, as would be done in the libc chsize().  The lowio
> stuff (eg, the ioinfo control structure) is not fully documented by MS,
> although some of it is exposed in 3rd party code.
>
> Kai, did you get the PR19872.f  failure in your testsuite runs?

With Janne's patch, I also get new failures on backspace-2.f :
(At line 10 of file backspace_2.f (unit = 11, file = 'fort.11')
Fortran runtime error: I/O past end of record on unformatted file)

and backspace-6.f: (abort)

Danny