iphlpapi: Always populate the friendly name.

dlls/iphlpapi/iphlpapi_main.c

@@ -1221,7 +1221,7 @@ static DWORD adapters_addresses_alloc( ULONG family, ULONG flags, IP_ADAPTER_ADD
     if (err) return err;
 
     needed = count * (sizeof(*aa) + ((CHARS_IN_GUID + 1) & ~1) + sizeof(stat->descr.String));
-    if (!(flags & GAA_FLAG_SKIP_FRIENDLY_NAME)) needed += count * sizeof(rw->alias.String);
+    needed += count * sizeof(rw->alias.String); /* GAA_FLAG_SKIP_FRIENDLY_NAME is ignored */
 
     aa = heap_alloc_zero( needed );
     if (!aa)
@@ -1243,12 +1243,9 @@ static DWORD adapters_addresses_alloc( ULONG family, ULONG flags, IP_ADAPTER_ADD
         if_counted_string_copy( (WCHAR *)str_ptr, ARRAY_SIZE(stat[i].descr.String), &stat[i].descr );
         aa[i].Description = (WCHAR *)str_ptr;
         str_ptr += sizeof(stat[i].descr.String);
-        if (!(flags & GAA_FLAG_SKIP_FRIENDLY_NAME))
-        {
-            if_counted_string_copy( (WCHAR *)str_ptr, ARRAY_SIZE(rw[i].alias.String), &rw[i].alias );
-            aa[i].FriendlyName = (WCHAR *)str_ptr;
-            str_ptr += sizeof(rw[i].alias.String);
-        }
+        if_counted_string_copy( (WCHAR *)str_ptr, ARRAY_SIZE(rw[i].alias.String), &rw[i].alias );
+        aa[i].FriendlyName = (WCHAR *)str_ptr;
+        str_ptr += sizeof(rw[i].alias.String);
         aa[i].PhysicalAddressLength = rw[i].phys_addr.Length;
         if (aa[i].PhysicalAddressLength > sizeof(aa[i].PhysicalAddress)) aa[i].PhysicalAddressLength = 0;
         memcpy( aa[i].PhysicalAddress, rw[i].phys_addr.Address, aa[i].PhysicalAddressLength );

dlls/iphlpapi/tests/iphlpapi.c

@@ -1580,6 +1580,12 @@ static void test_GetAdaptersAddresses(void)
     ok(ret == ERROR_BUFFER_OVERFLOW, "expected ERROR_BUFFER_OVERFLOW, got %u\n", ret);
     if (ret != ERROR_BUFFER_OVERFLOW) return;
 
+    /* GAA_FLAG_SKIP_FRIENDLY_NAME is ignored */
+    osize = 0x7fffffff;
+    ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_SKIP_FRIENDLY_NAME, NULL, NULL, &osize);
+    ok(ret == ERROR_BUFFER_OVERFLOW, "expected ERROR_BUFFER_OVERFLOW, got %u\n", ret);
+    ok(osize == size, "expected %d, got %d\n", size, osize);
+
     ptr = HeapAlloc(GetProcessHeap(), 0, size);
     ret = GetAdaptersAddresses(AF_UNSPEC, 0, NULL, ptr, &size);
     ok(!ret, "expected ERROR_SUCCESS got %u\n", ret);
@@ -1589,7 +1595,7 @@ static void test_GetAdaptersAddresses(void)
     size *= 2;
     osize = size;
     ptr = HeapAlloc(GetProcessHeap(), 0, osize);
-    ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, NULL, ptr, &osize);
+    ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX | GAA_FLAG_SKIP_FRIENDLY_NAME, NULL, ptr, &osize);
     ok(!ret, "expected ERROR_SUCCESS got %u\n", ret);
     ok(osize == size, "expected %d, got %d\n", size, osize);