On Wed, Feb 15, 2023 at 03:11:41PM +0100, Laszlo Ersek wrote:
> prepare_socket_activation_environment() is a construction function that is
> supposed to fill in a string_vector object from the ground up. Right now
> it has its responsibilities mixed up in two ways:
>
> - it expects the caller to pass in a previously re-set string_vector,
>
> - if it fails, it calls set_error() internally (with a blanket reference
> to "malloc").
>
> Fix both warts:
>
> - pass in an *uninitialized* (only allocated) string vector from the
> caller, and initialize it in prepare_socket_activation_environment(),
>
> - move the set_error() call out to the caller.
>
> Signed-off-by: Laszlo Ersek <[email protected]>
> ---
> generator/states-connect-socket-activation.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/generator/states-connect-socket-activation.c
> b/generator/states-connect-socket-activation.c
> index c46a0bf5c0a3..b5e146539cc8 100644
> --- a/generator/states-connect-socket-activation.c
> +++ b/generator/states-connect-socket-activation.c
> @@ -51,7 +51,7 @@ prepare_socket_activation_environment (string_vector *env)
> char *p;
> size_t i;
>
> - assert (env->len == 0);
> + *env = (string_vector)empty_vector;
Do you actually need to cast this?
> /* Reserve slots env[0] and env[1]. */
> p = strdup ("LISTEN_PID=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");
> @@ -90,7 +90,6 @@ prepare_socket_activation_environment (string_vector *env)
> return 0;
>
> err:
> - set_error (errno, "malloc");
> string_vector_empty (env);
> return -1;
> }
> @@ -99,7 +98,7 @@ STATE_MACHINE {
> CONNECT_SA.START:
> int s;
> struct sockaddr_un addr;
> - string_vector env = empty_vector;
> + string_vector env;
> pid_t pid;
>
> assert (!h->sock);
> @@ -156,6 +155,7 @@ CONNECT_SA.START:
>
> if (prepare_socket_activation_environment (&env) == -1) {
> SET_NEXT_STATE (%.DEAD);
> + set_error (errno, "prepare_socket_activation_environment");
Why move this out of the function?
Rich.
> close (s);
> return 0;
> }
>
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--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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