rte_kvargs.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2010-2013 Intel Corporation.
 * Copyright(c) 2014 6WIND S.A.
 */

#ifndef _RTE_KVARGS_H_
#define _RTE_KVARGS_H_

#ifdef __cplusplus
extern "C" {
#endif

#include <rte_compat.h>

#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 *const valid_keys[]);

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

void rte_kvargs_free(struct rte_kvargs *kvlist);

const char *rte_kvargs_get(const struct rte_kvargs *kvlist, const char *key);

__rte_experimental
const char *rte_kvargs_get_with_value(const struct rte_kvargs *kvlist,
                      const char *key, const char *value);

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