Ken Thomases : iphlpapi: Fixed a problem with enumerating network interfaces.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 6b033cc1e61a1ac50753b52c1b267f34a3a7ee54
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=6b033cc1e61a1ac50753b52c1b...

Author: Ken Thomases 
Date:   Thu Dec 21 14:47:20 2006 +0100

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 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dlls/iphlpapi/ifenum.c b/dlls/iphlpapi/ifenum.c
index 52e8413..fb3348f 100644
--- a/dlls/iphlpapi/ifenum.c
+++ b/dlls/iphlpapi/ifenum.c
@@ -690,7 +690,7 @@ static DWORD enumIPAddresses(PDWORD pcAd
       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;