kernel32: Connect GetSystemFirmwareTable to NtQuerySystemInformation.

dlls/kernel32/cpu.c

@@ -336,3 +336,34 @@ DWORD64 WINAPI GetEnabledXStateFeatures(void)
     FIXME("\n");
     return 0;
 }
+
+/***********************************************************************
+ *           GetSystemFirmwareTable (KERNEL32.@)
+ */
+UINT WINAPI GetSystemFirmwareTable(DWORD provider, DWORD id, void *buffer, DWORD size)
+{
+    ULONG buffer_size = FIELD_OFFSET(SYSTEM_FIRMWARE_TABLE_INFORMATION, TableBuffer) + size;
+    SYSTEM_FIRMWARE_TABLE_INFORMATION *sfti = HeapAlloc(GetProcessHeap(), 0, buffer_size);
+    NTSTATUS status;
+
+    TRACE("(0x%08x, 0x%08x, %p, %d)\n", provider, id, buffer, size);
+
+    if (!sfti)
+    {
+        SetLastError(ERROR_OUTOFMEMORY);
+        return 0;
+    }
+
+    sfti->ProviderSignature = provider;
+    sfti->Action = SystemFirmwareTable_Get;
+    sfti->TableID = id;
+
+    status = NtQuerySystemInformation(SystemFirmwareTableInformation, sfti, buffer_size, &buffer_size);
+    buffer_size -= FIELD_OFFSET(SYSTEM_FIRMWARE_TABLE_INFORMATION, TableBuffer);
+    if (buffer_size <= size)
+        memcpy(buffer, sfti->TableBuffer, buffer_size);
+
+    if (status) SetLastError(RtlNtStatusToDosError(status));
+    HeapFree(GetProcessHeap(), 0, sfti);
+    return buffer_size;
+}

dlls/kernel32/process.c

@@ -4128,16 +4128,6 @@ HRESULT WINAPI UnregisterApplicationRestart(void)
     return S_OK;
 }
 
-/***********************************************************************
- *           GetSystemFirmwareTable       (KERNEL32.@)
- */
-UINT WINAPI GetSystemFirmwareTable(DWORD provider, DWORD id, PVOID buffer, DWORD size)
-{
-    FIXME("(%d %d %p %d):stub\n", provider, id, buffer, size);
-    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
-    return 0;
-}
-
 struct proc_thread_attr
 {
     DWORD_PTR attr;

dlls/kernel32/tests/version.c

@@ -719,7 +719,7 @@ static void test_GetSystemFirmwareTable(void)
     pNtQuerySystemInformation(SystemFirmwareTableInformation, sfti, min_sfti_len, &expected_len);
     if (expected_len == 0) /* xp, 2003 */
     {
-        skip("SystemFirmwareTableInformation is not available\n");
+        win_skip("SystemFirmwareTableInformation is not available\n");
         HeapFree(GetProcessHeap(), 0, sfti);
         return;
     }