Re: [PATCH] run-command: simplify wait_or_whine

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On Sat, Jun 1, 2013 at 8:51 PM, Felipe Contreras
<felipe.contreras@xxxxxxxxx> wrote:
> Nobody is checking for specific error codes; it's the errno that's
> important.

Have you just disregarded the in-code comment you just removed with
one statement? Did you check all its callers?

>
> Signed-off-by: Felipe Contreras <felipe.contreras@xxxxxxxxx>
> ---
>  run-command.c | 14 ++------------
>  1 file changed, 2 insertions(+), 12 deletions(-)
>
> diff --git a/run-command.c b/run-command.c
> index 1b32a12..e54e943 100644
> --- a/run-command.c
> +++ b/run-command.c
> @@ -244,21 +244,11 @@ static int wait_or_whine(pid_t pid, const char *argv0)
>                 code = WTERMSIG(status);
>                 if (code != SIGINT && code != SIGQUIT)
>                         error("%s died of signal %d", argv0, code);
> -               /*
> -                * This return value is chosen so that code & 0xff
> -                * mimics the exit code that a POSIX shell would report for
> -                * a program that died from this signal.
> -                */
> -               code += 128;
>         } else if (WIFEXITED(status)) {
>                 code = WEXITSTATUS(status);
> -               /*
> -                * Convert special exit code when execvp failed.
> -                */
> -               if (code == 127) {
> -                       code = -1;
> +               /* convert special exit code when execvp failed. */
> +               if (code == 127)
>                         failed_errno = ENOENT;
> -               }
>         } else {
>                 error("waitpid is confused (%s)", argv0);
>         }
> --
> 1.8.3.358.g5a91d05
>
> --
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--
Duy
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