console: argtable3: add SPDX copyright headers

components/console/argtable3/arg_cmd.c

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2013-2019 Tom G. Huang
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
 /*******************************************************************************
  * arg_cmd: Provides the sub-command mechanism
  *

components/console/argtable3/arg_date.c

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 1998-2001,2003-2011,2013 Stewart Heitmann
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
 /*******************************************************************************
  * arg_date: Implements the date command-line option
  *

components/console/argtable3/arg_dbl.c

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 1998-2001,2003-2011,2013 Stewart Heitmann
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
 /*******************************************************************************
  * arg_dbl: Implements the double command-line option
  *

components/console/argtable3/arg_dstr.c

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2013-2019 Tom G. Huang
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
 /*******************************************************************************
  * arg_dstr: Implements the dynamic string utilities
  *

components/console/argtable3/arg_end.c

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 1998-2001,2003-2011,2013 Stewart Heitmann
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
 /*******************************************************************************
  * arg_end: Implements the error handling utilities
  *

components/console/argtable3/arg_file.c

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 1998-2001,2003-2011,2013 Stewart Heitmann
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
 /*******************************************************************************
  * arg_file: Implements the file command-line option
  *

components/console/argtable3/arg_hashtable.c

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2013-2019 Tom G. Huang
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
 /*******************************************************************************
  * arg_hashtable: Implements the hash table utilities
  *

components/console/argtable3/arg_int.c

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 1998-2001,2003-2011,2013 Stewart Heitmann
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
 /*******************************************************************************
  * arg_int: Implements the int command-line option
  *

components/console/argtable3/arg_lit.c

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 1998-2001,2003-2011,2013 Stewart Heitmann
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
 /*******************************************************************************
  * arg_lit: Implements the literature command-line option
  *

components/console/argtable3/arg_rem.c

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 1998-2001,2003-2011,2013 Stewart Heitmann
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
 /*******************************************************************************
  * arg_rem: Implements the rem command-line option
  *

components/console/argtable3/arg_rex.c

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 1998-2001,2003-2011,2013 Stewart Heitmann
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
 /*******************************************************************************
  * arg_rex: Implements the regex command-line option
  *

components/console/argtable3/arg_str.c

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 1998-2001,2003-2011,2013 Stewart Heitmann
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
 /*******************************************************************************
  * arg_str: Implements the str command-line option
  *

components/console/argtable3/arg_utils.c

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2013-2019 Tom G. Huang
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
 /*******************************************************************************
  * arg_utils: Implements memory, panic, and other utility functions
  *

components/console/argtable3/argtable3.c

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 1998-2001,2003-2011,2013 Stewart Heitmann
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
 /*******************************************************************************
  * argtable3: Implements the main interfaces of the library
  *

components/console/argtable3/argtable3.h

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 1998-2001,2003-2011,2013 Stewart Heitmann
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
 /*******************************************************************************
  * argtable3: Declares the main interfaces of the library
  *

components/console/argtable3/argtable3_private.h

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2013-2019 Tom G. Huang
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
 /*******************************************************************************
  * argtable3_private: Declares private types, constants, and interfaces
  *