[Bug fortran/47296] I/O Segfault when running out of file descriptors

[jvdelisle at frontier dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47296

--- Comment #6 from jvdelisle at frontier dot com 2011-01-15 14:51:00 UTC ---
> Just to be sure, I suspect it would be prudent to set opp->file to NULL and
> opp->file_len to 0 in tempfile() in case fd<  0. Or are we sure that the entire
> opp struct is set to 0 sometime before?
>

I had the same thought. I believe it is "zeroed" when the opp structure is 
initialized...

at line 449 or so of open.c"

   switch (flags->status)
     {
     case STATUS_SCRATCH:
       if ((opp->common.flags & IOPARM_OPEN_HAS_FILE) == 0)
    {
      opp->file = NULL;
      break;
    }