Re: [PATCH 1/2] xopen: explicitly report creation failures

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On Wed, Aug 25, 2021 at 2:11 PM René Scharfe <l.s.r@xxxxxx> wrote:
>
> diff --git a/wrapper.c b/wrapper.c
> index 563ad590df..7c6586af32 100644
> --- a/wrapper.c
> +++ b/wrapper.c
> @@ -193,7 +193,9 @@ int xopen(const char *path, int oflag, ...)
>                 if (errno == EINTR)
>                         continue;
>
> -               if ((oflag & O_RDWR) == O_RDWR)
> +               if ((oflag & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL))
> +                       die_errno(_("unable to create '%s'"), path);

probably over conservative, but && errno == EEXIST?

> +               else if ((oflag & O_RDWR) == O_RDWR)
>                         die_errno(_("could not open '%s' for reading and writing"), path);
>                 else if ((oflag & O_WRONLY) == O_WRONLY)
>                         die_errno(_("could not open '%s' for writing"), path);

Since you are already changing this code, why not take the opportunity
to refactor it
and remove the " == FLAG" part of these conditionals which is
otherwise redundant?

Either way "Reviewed-by", and indeed a nice cleanup.

Carlo




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