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author | Yajun Zeng <beanz@marvell.com> | 2013-04-24 10:38:27 +0800 |
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committer | Yajun Zeng <beanz@marvell.com> | 2013-04-24 10:38:27 +0800 |
commit | 6cb3f224d7e2280f8834d361bba1a72682aaaad1 (patch) | |
tree | 9c8911ba250bc2007b816e9d0831a9cf5390ea9d /media/libstagefright/rtsp/ARTPConnection.cpp | |
parent | 6db76e8b8f561355198fc91dd95498a59ad38a20 (diff) | |
download | frameworks_av-6cb3f224d7e2280f8834d361bba1a72682aaaad1.zip frameworks_av-6cb3f224d7e2280f8834d361bba1a72682aaaad1.tar.gz frameworks_av-6cb3f224d7e2280f8834d361bba1a72682aaaad1.tar.bz2 |
Fix overflow of rand in ARTPConnection
without this fix, (rand()*1000)/RAND_MAX is mainly 0.
Change-Id: I48ae940a7b6974b197d81732774c9dcea107bcf1
Signed-off-by: Yajun Zeng <beanz@marvell.com>
Diffstat (limited to 'media/libstagefright/rtsp/ARTPConnection.cpp')
-rw-r--r-- | media/libstagefright/rtsp/ARTPConnection.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/media/libstagefright/rtsp/ARTPConnection.cpp b/media/libstagefright/rtsp/ARTPConnection.cpp index 501a970..af369b5 100644 --- a/media/libstagefright/rtsp/ARTPConnection.cpp +++ b/media/libstagefright/rtsp/ARTPConnection.cpp @@ -117,7 +117,8 @@ void ARTPConnection::MakePortPair( bumpSocketBufferSize(*rtcpSocket); - unsigned start = (rand() * 1000)/ RAND_MAX + 15550; + /* rand() * 1000 may overflow int type, use long long */ + unsigned start = (unsigned)((rand()* 1000ll)/RAND_MAX) + 15550; start &= ~1; for (unsigned port = start; port < 65536; port += 2) { |