Re: [PATCH] Return rv if memory is not 'calloc'ed in getgrent_a

[Rich Felker <dalias@libc.org>]

On Fri, May 01, 2015 at 05:17:37AM -0700, Kevin Bowling wrote:
> >From 714875b1a614c4ac3b7a04a9d419b7f57d28e336 Mon Sep 17 00:00:00 2001
> From: Kevin Bowling <kevin.bowling@kev009.com>
> Date: Fri, 1 May 2015 05:11:12 -0700
> Subject: [PATCH] Return rv if memory is not 'calloc'ed in getgrent_a
> 
> ---
>  src/passwd/getgrent_a.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/src/passwd/getgrent_a.c b/src/passwd/getgrent_a.c
> index ecd2f2e..80fbc42 100644
> --- a/src/passwd/getgrent_a.c
> +++ b/src/passwd/getgrent_a.c
> @@ -48,7 +48,7 @@ int __getgrent_a(FILE *f, struct group *gr, char **line,
> size_t *size, char ***m
>                 rv = errno;
>                 free(*line);
>                 *line = 0;
> -               return 0;
> +               return rv;
>         }
>         if (*mems) {
>                 mem[0][0] = mems;
> --
> 2.3.7

There's definitely a bug here but I don't think this patch fixes it.
The exit code, which needs to be run, is still bypassed. There needs
to be a "goto end" or similar instead of return, I think.

Rich