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References: <20250731030856.366368-1-reyuki@gnuweeb.org> <20250731030856.366368-4-reyuki@gnuweeb.org>
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From: Alviro Iskandar Setiawan <alviro.iskandar@gnuweeb.org>
Date: Fri, 1 Aug 2025 02:14:57 +0700
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Subject: Re: [PATCH gwproxy v1 3/3] dnslookup: Initial work for implementation
 of C-ares-like getaddrinfo function
To: Ahmad Gani <reyuki@gnuweeb.org>
Cc: Ammar Faizi <ammarfaizi2@gnuweeb.org>, "GNU/Weeb Mailing List" <gwml@vger.gnuweeb.org>
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On Thu, Jul 31, 2025 at 10:09=E2=80=AFAM Ahmad Gani wrote:
> +static int resolve_name(int sockfd, const char *name, uint16_t type, uin=
t16_t nport,
> +       struct gw_ares_addrinfo *result, struct gw_addrinfo_node **tail)
> +{
> +       uint8_t send_buff[UDP_MSG_LIMIT];
> +       uint8_t recv_buff[UDP_MSG_LIMIT];
> +       gwdns_query_pkt *query_pkt;
> +       gwdns_answ_data raw_answ;
> +       gwdns_question_part q;
> +       ssize_t buff_len;
> +       int ret;
> [...]
> +attempt_retry:
> +       ret =3D __sys_send(sockfd, send_buff, buff_len, MSG_NOSIGNAL);
> +       if (ret < 0) {
> +               ret =3D GW_ARES_INTERNAL_ERR;
> +               return ret;
> +       }
> +
> +       if (ret !=3D buff_len)
> +               goto attempt_retry;

Why is this attempt_retry needed?

-- Viro