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no-senders; approved; loop; banned-address; header-match-ffmpeg-devel.ffmpeg.org-0; header-match-ffmpeg-devel.ffmpeg.org-1; header-match-ffmpeg-devel.ffmpeg.org-2; header-match-ffmpeg-devel.ffmpeg.org-3; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.10 Precedence: list Reply-To: FFmpeg development discussions and patches Subject: [FFmpeg-devel] Re: [PATCH] avformat/udp: fix warning about unused varible List-Id: FFmpeg development discussions and patches Archived-At: Archived-At: List-Archive: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Zhao Zhili via ffmpeg-devel Cc: Brad Smith , Zhao Zhili Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Archived-At: List-Archive: List-Post: > On Sep 20, 2025, at 14:06, Brad Smith via ffmpeg-devel wrote: > > libavformat/udp.c:283:9: warning: unused variable 'i' [-Wunused-variable] > > Signed-off-by: Brad Smith > --- > libavformat/udp.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/libavformat/udp.c b/libavformat/udp.c > index e1dec49010..27b0147252 100644 > --- a/libavformat/udp.c > +++ b/libavformat/udp.c > @@ -282,13 +282,14 @@ static int udp_set_multicast_sources(URLContext *h, > struct sockaddr_storage *sources, > int nb_sources, int include) > { > +#if HAVE_STRUCT_IP_MREQ_SOURCE && (defined(MCAST_BLOCK_SOURCE) || defined(IP_BLOCK_SOURCE)) > int i; > +#endif > if (addr->sa_family != AF_INET) { > #if HAVE_STRUCT_GROUP_SOURCE_REQ && defined(MCAST_BLOCK_SOURCE) > /* For IPv4 prefer the old approach, as that alone works reliably on > * Windows and it also supports supplying the interface based on its > * address. */ > - int i; > for (i = 0; i < nb_sources; i++) { > struct group_source_req mreqs; > int level = addr->sa_family == AF_INET ? IPPROTO_IP : IPPROTO_IPV6; Use `for (int i = 0; ;;)` will be simpler. > -- > 2.51.0 > > _______________________________________________ > ffmpeg-devel mailing list -- ffmpeg-devel@ffmpeg.org > To unsubscribe send an email to ffmpeg-devel-leave@ffmpeg.org _______________________________________________ ffmpeg-devel mailing list -- ffmpeg-devel@ffmpeg.org To unsubscribe send an email to ffmpeg-devel-leave@ffmpeg.org