From: Marton Balint <cus@passwd.hu>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH] Fix setsockopt IP_MULTICAST_TTL on OpenBSD
Date: Sun, 23 Jan 2022 15:12:07 +0100 (CET)
Message-ID: <68d41af3-c89c-deb1-339a-b4cbe9847ff@passwd.hu> (raw)
In-Reply-To: <20220123115700.GB2829255@pb2>
On Sun, 23 Jan 2022, Michael Niedermayer wrote:
> On Wed, Jan 12, 2022 at 12:13:13AM -0500, Brad Smith wrote:
>> Fix setsockopt() usage on OpenBSD with IP_MULTICAST_TTL. The field
>> type should be an unsigned char on anything but Linux.
>>
>>
>> diff --git a/libavformat/udp.c b/libavformat/udp.c
>> index 180d96a988..29aa865fff 100644
>> --- a/libavformat/udp.c
>> +++ b/libavformat/udp.c
>> @@ -163,7 +163,13 @@ static int udp_set_multicast_ttl(int sockfd, int mcastTTL,
>> {
>> #ifdef IP_MULTICAST_TTL
>> if (addr->sa_family == AF_INET) {
>> - if (setsockopt(sockfd, IPPROTO_IP, IP_MULTICAST_TTL, &mcastTTL, sizeof(mcastTTL)) < 0) {
>> +#ifdef __linux__
>> + int ttl = mcastTTL;
>> +#else
>> + unsigned char ttl = mcastTTL;
>> +#endif
>
> this "ifdef __linux__" feels like the wrong thing to check, dont you agree ?
As far as I remember linux supports both sizes. So maybe just remove the
check entirely?
Regards,
Marton
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next prev parent reply other threads:[~2022-01-23 14:12 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-12 5:13 Brad Smith
2022-01-23 5:25 ` Brad Smith
2022-01-23 11:57 ` Michael Niedermayer
2022-01-23 14:12 ` Marton Balint [this message]
2022-01-23 19:55 ` Brad Smith
2022-01-24 12:40 ` Michael Niedermayer
2022-01-25 5:28 ` Brad Smith
2022-01-25 7:25 ` lance.lmwang
2022-01-26 0:28 ` Chad Fraleigh
2022-01-26 1:10 ` Brad Smith
2022-01-26 1:23 ` lance.lmwang
2022-01-26 15:36 ` Brad Smith
2022-01-26 20:50 ` Marton Balint
2022-01-27 1:24 ` Chad Fraleigh
2022-01-27 1:59 ` lance.lmwang
2022-01-27 2:27 ` "zhilizhao(赵志立)"
2022-01-27 2:30 ` "zhilizhao(赵志立)"
2022-01-27 3:26 ` lance.lmwang
2022-01-27 5:16 ` [FFmpeg-devel] [PATCH] avformat/udp: Fix IP_MULTICAST_TTL for BSD compatibility lance.lmwang
2022-02-05 5:28 ` [FFmpeg-devel] [PATCH v2 1/3] avformat/udp: use one setsockopt for ipv4/ipv6 lance.lmwang
2022-02-05 5:28 ` [FFmpeg-devel] [PATCH v2 2/3] avformat/udp: Fix IP_MULTICAST_TTL for BSD compatibility lance.lmwang
2022-02-05 9:59 ` Marton Balint
2022-02-05 12:06 ` lance.lmwang
2022-02-05 21:26 ` Chad Fraleigh
2022-02-06 2:09 ` lance.lmwang
2022-02-06 22:15 ` Marton Balint
2022-02-06 22:27 ` Chad Fraleigh
2022-02-07 0:01 ` lance.lmwang
2022-02-05 5:28 ` [FFmpeg-devel] [PATCH v2 3/3] avformat/udp: remove IPPROTO_IPV6 macro lance.lmwang
2022-02-05 9:58 ` [FFmpeg-devel] [PATCH v2 1/3] avformat/udp: use one setsockopt for ipv4/ipv6 Marton Balint
2022-02-05 12:10 ` lance.lmwang
2022-02-05 12:31 ` [FFmpeg-devel] [PATCH v3 " lance.lmwang
2022-02-05 12:31 ` [FFmpeg-devel] [PATCH v3 2/3] avformat/udp: Fix IP_MULTICAST_TTL for BSD compatibility lance.lmwang
2022-02-11 21:05 ` Marton Balint
2022-02-12 0:39 ` lance.lmwang
2022-02-05 12:31 ` [FFmpeg-devel] [PATCH v3 3/3] avformat/udp: remove IPPROTO_IPV6 macro lance.lmwang
2022-02-10 23:56 ` [FFmpeg-devel] [PATCH v3 1/3] avformat/udp: use one setsockopt for ipv4/ipv6 lance.lmwang
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