From 6d90f9fdaf008f5c3b8fd8d91594fa1461437888 Mon Sep 17 00:00:00 2001 From: Nate Karstens Date: Wed, 28 Jun 2017 17:30:00 -0500 Subject: [PATCH] Create subroutine for cleaning recent interfaces Moves functionality for cleaning the list of recent interfaces into its own subroutine. Upstream-Status: Submitted [dts@apple.com] Signed-off-by: Nate Karstens --- mDNSPosix/mDNSPosix.c | 23 ++++++++++++++--------- 1 file changed, 14 insertions(+), 9 deletions(-) diff --git a/mDNSPosix/mDNSPosix.c b/mDNSPosix/mDNSPosix.c index a63cd19..7aeee7b 100755 --- a/mDNSPosix/mDNSPosix.c +++ b/mDNSPosix/mDNSPosix.c @@ -1199,6 +1199,19 @@ mDNSlocal int SetupSocket(struct sockaddr *intfAddr, mDNSIPPort port, int interf return err; } +// Clean up any interfaces that have been hanging around on the RecentInterfaces list for more than a minute +mDNSlocal void CleanRecentInterfaces(void) +{ + PosixNetworkInterface **ri = &gRecentInterfaces; + const mDNSs32 utc = mDNSPlatformUTC(); + while (*ri) + { + PosixNetworkInterface *pi = *ri; + if (utc - pi->LastSeen < 60) ri = (PosixNetworkInterface **)&pi->coreIntf.next; + else { *ri = (PosixNetworkInterface *)pi->coreIntf.next; free(pi); } + } +} + // Creates a PosixNetworkInterface for the interface whose IP address is // intfAddr and whose name is intfName and registers it with mDNS core. mDNSlocal int SetupOneInterface(mDNS *const m, struct sockaddr *intfAddr, struct sockaddr *intfMask, const char *intfName, int intfIndex) @@ -1388,15 +1401,7 @@ mDNSlocal int SetupInterfaceList(mDNS *const m) // Clean up. if (intfList != NULL) freeifaddrs(intfList); - // Clean up any interfaces that have been hanging around on the RecentInterfaces list for more than a minute - PosixNetworkInterface **ri = &gRecentInterfaces; - const mDNSs32 utc = mDNSPlatformUTC(); - while (*ri) - { - PosixNetworkInterface *pi = *ri; - if (utc - pi->LastSeen < 60) ri = (PosixNetworkInterface **)&pi->coreIntf.next; - else { *ri = (PosixNetworkInterface *)pi->coreIntf.next; free(pi); } - } + CleanRecentInterfaces(); return err; } -- 2.20.1