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- /*
- * Copyright (C) 2013 Michael Brown <mbrown@fensystems.co.uk>.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- *
- * You can also choose to distribute this program under the terms of
- * the Unmodified Binary Distribution Licence (as given in the file
- * COPYING.UBDL), provided that you have satisfied its requirements.
- */
-
- FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
-
- /** @file
- *
- * Form parameter commands
- *
- */
-
- #include <stdlib.h>
- #include <errno.h>
- #include <getopt.h>
- #include <ipxe/params.h>
- #include <ipxe/parseopt.h>
- #include <ipxe/command.h>
-
- /** "params" options */
- struct params_options {
- /** Name */
- char *name;
- /** Delete */
- int delete;
- };
-
- /** "params" option list */
- static struct option_descriptor params_opts[] = {
- OPTION_DESC ( "name", 'n', required_argument,
- struct params_options, name, parse_string ),
- OPTION_DESC ( "delete", 'd', no_argument,
- struct params_options, delete, parse_flag ),
- };
-
- /** "params" command descriptor */
- static struct command_descriptor params_cmd =
- COMMAND_DESC ( struct params_options, params_opts, 0, 0, NULL );
-
- /**
- * The "params" command
- *
- * @v argc Argument count
- * @v argv Argument list
- * @ret rc Return status code
- */
- static int params_exec ( int argc, char **argv ) {
- struct params_options opts;
- struct parameters *params;
- int rc;
-
- /* Parse options */
- if ( ( rc = parse_options ( argc, argv, ¶ms_cmd, &opts ) ) != 0)
- return rc;
-
- /* Create parameter list */
- params = create_parameters ( opts.name );
- if ( ! params )
- return -ENOMEM;
-
- /* Destroy parameter list, if applicable */
- if ( opts.delete ) {
- claim_parameters ( params );
- params_put ( params );
- }
-
- return 0;
- }
-
- /** "param" options */
- struct param_options {
- /** Parameter list name */
- char *params;
- };
-
- /** "param" option list */
- static struct option_descriptor param_opts[] = {
- OPTION_DESC ( "params", 'p', required_argument,
- struct param_options, params, parse_string ),
- };
-
- /** "param" command descriptor */
- static struct command_descriptor param_cmd =
- COMMAND_DESC ( struct param_options, param_opts, 1, MAX_ARGUMENTS,
- "<key> [<value>]" );
-
- /**
- * The "param" command
- *
- * @v argc Argument count
- * @v argv Argument list
- * @ret rc Return status code
- */
- static int param_exec ( int argc, char **argv ) {
- struct param_options opts;
- char *key;
- char *value;
- struct parameters *params;
- struct parameter *param;
- int rc;
-
- /* Parse options */
- if ( ( rc = parse_options ( argc, argv, ¶m_cmd, &opts ) ) != 0 )
- goto err_parse_options;
-
- /* Parse key */
- key = argv[optind];
-
- /* Parse value */
- value = concat_args ( &argv[ optind + 1 ] );
- if ( ! value ) {
- rc = -ENOMEM;
- goto err_parse_value;
- }
-
- /* Identify parameter list */
- if ( ( rc = parse_parameters ( opts.params, ¶ms ) ) != 0 )
- goto err_parse_parameters;
-
- /* Add parameter */
- param = add_parameter ( params, key, value );
- if ( ! param ) {
- rc = -ENOMEM;
- goto err_add_parameter;
- }
-
- /* Success */
- rc = 0;
-
- err_add_parameter:
- err_parse_parameters:
- free ( value );
- err_parse_value:
- err_parse_options:
- return rc;
- }
-
- /** Form parameter commands */
- struct command param_commands[] __command = {
- {
- .name = "params",
- .exec = params_exec,
- },
- {
- .name = "param",
- .exec = param_exec,
- },
- };
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