netapi32: Fix wrap-around bug in tick count comparison.

2c70e08c · Alexandre Julliard · e089295f · 2c70e08c
Commit 2c70e08c authored Jan 24, 2013 by Alexandre Julliard
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nbt.c dlls/netapi32/nbt.c +1 -1

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--- a/dlls/netapi32/nbt.c
+++ b/dlls/netapi32/nbt.c
@@ -297,7 +297,7 @@ static UCHAR NetBTWaitForNameResponse(const NetBTAdapter *adapter, SOCKET fd,
    if (fd == INVALID_SOCKET) return NRC_BADDR;
    if (!answerCallback) return NRC_BADDR;

-    while (!found && ret == NRC_GOODRET && (now = GetTickCount()) < waitUntil)
+    while (!found && ret == NRC_GOODRET && (int)((now = GetTickCount()) - waitUntil) < 0)
    {
        DWORD msToWait = waitUntil - now;
        struct fd_set fds;