Re: [PATCH] dir.c: print correct errno when opendir() fails

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Nguyễn Thái Ngọc Duy  <pclouds@xxxxxxxxx> writes:

> The call invalidate_directory() between opendir() and warning_errno() in
> theory could make some system calls and change errno. Prevent that by
> warning immediately after opendir().
>
> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
> ---
>  This is on top of nd/fix-untracked-cache-invalidation which is now on
>  'next'. Sorry I waited too long to send the replacement and it's now
>  too late.

Well, we'll see a rewind of 'next' soonish anyway, so you can just
tell me to tentatively kick it back to 'pu' to be replaced with a
reroll if you prefer.




>  dir.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/dir.c b/dir.c
> index dd1e50c328..55736d3e2a 100644
> --- a/dir.c
> +++ b/dir.c
> @@ -1795,14 +1795,14 @@ static int open_cached_dir(struct cached_dir *cdir,
>  		return 0;
>  	c_path = path->len ? path->buf : ".";
>  	cdir->fdir = opendir(c_path);
> +	if (!cdir->fdir)
> +		warning_errno(_("could not open directory '%s'"), c_path);
>  	if (dir->untracked) {
>  		invalidate_directory(dir->untracked, untracked);
>  		dir->untracked->dir_opened++;
>  	}
> -	if (!cdir->fdir) {
> -		warning_errno(_("could not open directory '%s'"), c_path);
> +	if (!cdir->fdir)
>  		return -1;
> -	}
>  	return 0;
>  }




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