rte_kvargs.h

Go to the documentation of this file.

/*-
 *   BSD LICENSE
 *
 *   Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
 *   Copyright(c) 2014 6WIND S.A.
 *   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 name of Intel 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
 *   OWNER 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 _RTE_KVARGS_H_
#define _RTE_KVARGS_H_

#ifdef __cplusplus
extern "C" {
#endif

#define RTE_KVARGS_MAX 32

#define RTE_KVARGS_PAIRS_DELIM  ","

#define RTE_KVARGS_KV_DELIM "="

typedef int (*arg_handler_t)(const char *key, const char *value, void *opaque);

struct rte_kvargs_pair {
    char *key;      
    char *value;    
};

struct rte_kvargs {
    char *str;      
    unsigned count; 
    struct rte_kvargs_pair pairs[RTE_KVARGS_MAX]; 
};

struct rte_kvargs *rte_kvargs_parse(const char *args, const char *valid_keys[]);

void rte_kvargs_free(struct rte_kvargs *kvlist);

int rte_kvargs_process(const struct rte_kvargs *kvlist,
    const char *key_match, arg_handler_t handler, void *opaque_arg);

unsigned rte_kvargs_count(const struct rte_kvargs *kvlist,
    const char *key_match);

#ifdef __cplusplus
}
#endif

#endif