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From a2148df99ddcd122247f95c4cbcce5c4118581a1 Mon Sep 17 00:00:00 2001
From: Nate Karstens <nate.karstens@garmin.com>
Date: Wed, 28 Jun 2017 17:30:00 -0500
Subject: [PATCH 02/11] Create subroutine for tearing down an interface
Creates a subroutine for tearing down an interface.
Upstream-Status: Submitted [dts@apple.com]
Signed-off-by: Nate Karstens <nate.karstens@garmin.com>
---
mDNSPosix/mDNSPosix.c | 22 ++++++++++++++++------
1 file changed, 16 insertions(+), 6 deletions(-)
diff --git a/mDNSPosix/mDNSPosix.c b/mDNSPosix/mDNSPosix.c
index ffc9696..5e5b2cd 100644
--- a/mDNSPosix/mDNSPosix.c
+++ b/mDNSPosix/mDNSPosix.c
@@ -591,6 +591,19 @@ mDNSlocal void FreePosixNetworkInterface(PosixNetworkInterface *intf)
gRecentInterfaces = intf;
}
+mDNSlocal void TearDownInterface(mDNS *const m, PosixNetworkInterface *intf)
+{
+ mDNS_DeregisterInterface(m, &intf->coreIntf, NormalActivation);
+ if (gMDNSPlatformPosixVerboseLevel > 0) fprintf(stderr, "Deregistered interface %s\n", intf->intfName);
+ FreePosixNetworkInterface(intf);
+
+ num_registered_interfaces--;
+ if (num_registered_interfaces == 0) {
+ num_pkts_accepted = 0;
+ num_pkts_rejected = 0;
+ }
+}
+
// Grab the first interface, deregister it, free it, and repeat until done.
mDNSlocal void ClearInterfaceList(mDNS *const m)
{
@@ -599,13 +612,10 @@ mDNSlocal void ClearInterfaceList(mDNS *const m)
while (m->HostInterfaces)
{
PosixNetworkInterface *intf = (PosixNetworkInterface*)(m->HostInterfaces);
- mDNS_DeregisterInterface(m, &intf->coreIntf, NormalActivation);
- if (gMDNSPlatformPosixVerboseLevel > 0) fprintf(stderr, "Deregistered interface %s\n", intf->intfName);
- FreePosixNetworkInterface(intf);
+ TearDownInterface(m, intf);
}
- num_registered_interfaces = 0;
- num_pkts_accepted = 0;
- num_pkts_rejected = 0;
+
+ assert(num_registered_interfaces == 0);
}
// Sets up a send/receive socket.
--
2.17.1
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