iphlpapi: Set MIB_IPADDR_PRIMARY as wType for GetIpAddrTable entries.

dlls/iphlpapi/ifenum.c

@@ -807,7 +807,11 @@ static DWORD getIPAddrRowByName(PMIB_IPADDRROW ipAddrRow, const char *ifName,
   /* FIXME: hardcoded reasm size, not sure where to get it */
   ipAddrRow->dwReasmSize = 65535;
   ipAddrRow->unused1 = 0;
-  ipAddrRow->wType = 0;
+  /* wType is a bit field composed of MIB_IPADDR_* flags. Windows <= XP seems
+   * to like returning undocumented values 0x20 + 0x02 but for our current
+   * needs returning MIB_IPADDR_PRIMARY is enough.
+   */
+  ipAddrRow->wType = MIB_IPADDR_PRIMARY;
   return ret;
 }
 

dlls/iphlpapi/tests/iphlpapi.c

@@ -226,7 +226,16 @@ static void testGetIpAddrTable(void)
        "GetIpAddrTable(buf, &dwSize, FALSE) returned %d, expected NO_ERROR\n",
        apiReturn);
       if (apiReturn == NO_ERROR && buf->dwNumEntries)
+      {
+        int i;
         testGetIfEntry(buf->table[0].dwIndex);
+        for (i = 0; i < buf->dwNumEntries; i++)
+        {
+          ok (buf->table[i].wType != 0, "Test[%d]: expected wType > 0\n", i);
+          trace("Entry[%d]: addr %s, dwIndex %u, wType 0x%x\n", i,
+                ntoa(buf->table[i].dwAddr), buf->table[i].dwIndex, buf->table[i].wType);
+        }
+      }
       HeapFree(GetProcessHeap(), 0, buf);
     }
   }

include/ipmib.h

@@ -21,6 +21,13 @@
 #include <ifmib.h>
 #include <nldef.h>
 
+/* Flags used in the wType field from MIB_IPADDRROW */
+
+#define MIB_IPADDR_PRIMARY 0x0001
+#define MIB_IPADDR_DYNAMIC 0x0004
+#define MIB_IPADDR_DISCONNECTED 0x0008
+#define MIB_IPADDR_DELETED 0x0040
+#define MIB_IPADDR_TRANSIENT 0x0080
 
 /* IPADDR table */