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Code Issues Releases Activity

avformat/rtpproto: fix strict aliasing violations with sockaddr

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-09-12 01:52:39 +02:00
parent 8c1dc1f6ed
commit e587a428d7
1 changed files with 7 additions and 4 deletions
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11
libavformat/rtpproto.c
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@ -130,23 +130,26 @@ static int compare_addr(const struct sockaddr_storage *a,
static int get_port(const struct sockaddr_storage *ss)
{
sockaddr_union ssu = (sockaddr_union){.storage = *ss};
if (ss->ss_family == AF_INET)
return ntohs(((const struct sockaddr_in *)ss)->sin_port);
return ntohs(ssu.in.sin_port);
#if HAVE_STRUCT_SOCKADDR_IN6
if (ss->ss_family == AF_INET6)
return ntohs(((const struct sockaddr_in6 *)ss)->sin6_port);
return ntohs(ssu.in6.sin6_port);
#endif
return 0;
}
static void set_port(struct sockaddr_storage *ss, int port)
{
sockaddr_union ssu = (sockaddr_union){.storage = *ss};
if (ss->ss_family == AF_INET)
((struct sockaddr_in *)ss)->sin_port = htons(port);
ssu.in.sin_port = htons(port);
#if HAVE_STRUCT_SOCKADDR_IN6
else if (ss->ss_family == AF_INET6)
((struct sockaddr_in6 *)ss)->sin6_port = htons(port);
ssu.in6.sin6_port = htons(port);
#endif
*ss = ssu.storage;
}
static int rtp_check_source_lists(RTPContext *s, struct sockaddr_storage *source_addr_ptr)