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Re: [Patch, libgfortran] PR 41219 Silence uninitialized variable warning


On Sun, Sep 6, 2009 at 2:56 PM, Janne
Blomqvist<blomqvist.janne@gmail.com> wrote:
> Hi,
>
> the patch below fixes the "use of uninitialized variable" warning in
> unix.c. It's a spurious warning as the fstat() call will initialize
> the stat struct, but gcc can't see it.

Huh, that looks odd.  I bet this is SRA at work.

Richard.

> Ok for trunk?
>
> 2009-09-06 ?Janne Blomqvist ?<jb@gcc.gnu.org>
>
> ? ? ? ?PR libfortran/39667
> ? ? ? ?* io/unix.c (fd_to_stream): Silence uninitialized warning.
>
>
> diff --git a/libgfortran/io/unix.c b/libgfortran/io/unix.c
> index 4ecba3a..e26f281 100644
> --- a/libgfortran/io/unix.c
> +++ b/libgfortran/io/unix.c
> @@ -759,6 +759,10 @@ fd_to_stream (int fd, int prot)
> ? s->logical_offset = 0;
> ? s->prot = prot;
>
> + ?/* Silence compiler warnings about using unitialized variables. ?*/
> + ?statbuf.st_mode = 0;
> + ?statbuf.st_size = 0;
> +
> ? /* Get the current length of the file. */
>
> ? fstat (fd, &statbuf);
>
>
> --
> Janne Blomqvist
>


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