[swtpm.git] / src / swtpm / options.h

/*
 * options.h -- Option parsing
 *
 * (c) Copyright IBM Corporation 2014.
 *
 * Author: Stefan Berger <stefanb@us.ibm.com>
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
 * Neither the names of the IBM Corporation nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _SWTPM_OPTIONS_H
#define _SWTPM_OPTIONS_H

#include <stdbool.h>

enum OptionType {
    OPT_TYPE_STRING,
    OPT_TYPE_INT,
    OPT_TYPE_BOOLEAN,
};

typedef struct {
    enum OptionType type;
    const char *name;
    union {
        char *string;
        int integer;
        bool boolean;
    }u;
} OptionValue;

typedef struct {
    size_t n_options;
    OptionValue *options;
} OptionValues;

typedef struct {
   const char *name;
   enum OptionType type;
} OptionDesc;

#define END_OPTION_DESC \
    { \
        .name = NULL, \
    }

OptionValues *options_parse(char *opts, const OptionDesc optdesc[],
                            char **error);
void option_values_free(OptionValues *ov);
const char *option_get_string(OptionValues *ovs, const char *name);
int option_get_int(OptionValues *ovs, const char *name);
bool option_get_bool(OptionValues *ovs, const char *name);

#endif /* _SWTPM_OPTIONS_H */
Commit	Line	Data
f163b202 SB	1	/*
	2	* options.h -- Option parsing
	3	*
	4	* (c) Copyright IBM Corporation 2014.
	5	*
	6	* Author: Stefan Berger <stefanb@us.ibm.com>
	7	*
	8	* All rights reserved.
	9	*
	10	* Redistribution and use in source and binary forms, with or without
	11	* modification, are permitted provided that the following conditions are
	12	* met:
	13	*
	14	* Redistributions of source code must retain the above copyright notice,
	15	* this list of conditions and the following disclaimer.
	16	*
	17	* Redistributions in binary form must reproduce the above copyright
	18	* notice, this list of conditions and the following disclaimer in the
	19	* documentation and/or other materials provided with the distribution.
	20	*
	21	* Neither the names of the IBM Corporation nor the names of its
	22	* contributors may be used to endorse or promote products derived from
	23	* this software without specific prior written permission.
	24	*
	25	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	26	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	27	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	28	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	29	* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	30	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	31	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	32	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	33	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	34	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	35	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	36	*/
	37
	38	#ifndef _SWTPM_OPTIONS_H
	39	#define _SWTPM_OPTIONS_H
	40
	41	#include <stdbool.h>
	42
	43	enum OptionType {
	44	OPT_TYPE_STRING,
	45	OPT_TYPE_INT,
	46	OPT_TYPE_BOOLEAN,
	47	};
	48
	49	typedef struct {
	50	enum OptionType type;
	51	const char *name;
	52	union {
	53	char *string;
	54	int integer;
	55	bool boolean;
	56	}u;
	57	} OptionValue;
	58
	59	typedef struct {
	60	size_t n_options;
	61	OptionValue *options;
	62	} OptionValues;
	63
	64	typedef struct {
65	const char *name;
66	enum OptionType type;
67	} OptionDesc;
68
69	#define END_OPTION_DESC \
70	{ \
71	.name = NULL, \
72	}
73
74	OptionValues options_parse(char opts, const OptionDesc optdesc[],
75	char **error);
76	void option_values_free(OptionValues *ov);
77	const char option_get_string(OptionValues ovs, const char *name);
78	int option_get_int(OptionValues ovs, const char name);
79	bool option_get_bool(OptionValues ovs, const char name);
80
81	#endif /* _SWTPM_OPTIONS_H */
82