wininet: Properly check for ioctlsocket failure in NETCON_is_alive.

f3e02c2f · Jacek Caban · Alexandre Julliard · c815baf8 · f3e02c2f
Commit f3e02c2f authored Feb 11, 2015 by Jacek Caban Committed by Alexandre Julliard Feb 12, 2015
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netconnection.c dlls/wininet/netconnection.c +2 -2

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--- a/dlls/wininet/netconnection.c
+++ b/dlls/wininet/netconnection.c
@@ -1047,13 +1047,13 @@ BOOL NETCON_is_alive(netconn_t *netconn)
    char b;

    mode = 1;
-    if(!ioctlsocket(netconn->socket, FIONBIO, &mode))
+    if(ioctlsocket(netconn->socket, FIONBIO, &mode))
        return FALSE;

    len = sock_recv(netconn->socket, &b, 1, MSG_PEEK);

    mode = 0;
-    if(!ioctlsocket(netconn->socket, FIONBIO, &mode))
+    if(ioctlsocket(netconn->socket, FIONBIO, &mode))
        return FALSE;

    return len == 1 || (len == -1 && sock_get_error() == WSAEWOULDBLOCK);