From 6b033cc1e61a1ac50753b52c1b267f34a3a7ee54 Mon Sep 17 00:00:00 2001
From: Ken Thomases <ken@codeweavers.com>
Date: Thu, 21 Dec 2006 14:47:20 +0100
Subject: [PATCH] iphlpapi: Fixed a problem with enumerating network
 interfaces.

Keep increasing the buffer until the returned length is more than two
records smaller than the buffer we provided.
---
 dlls/iphlpapi/ifenum.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/iphlpapi/ifenum.c b/dlls/iphlpapi/ifenum.c
index 52e84135aa..fb3348f806 100644
--- a/dlls/iphlpapi/ifenum.c
+++ b/dlls/iphlpapi/ifenum.c
@@ -690,7 +690,7 @@ static DWORD enumIPAddresses(PDWORD pcAddresses, struct ifconf *ifc)
       ifc->ifc_buf = HeapAlloc(GetProcessHeap(), 0, ifc->ifc_len);
       ioctlRet = ioctl(fd, SIOCGIFCONF, ifc);
     } while (ioctlRet == 0 &&
-     ifc->ifc_len == (sizeof(struct ifreq) * guessedNumAddresses));
+     ifc->ifc_len > (sizeof(struct ifreq) * (guessedNumAddresses - 2)));
 
     if (ioctlRet == 0) {
       ifPtr = ifc->ifc_buf;