DPDK  17.02.1
rte_kvargs.h
Go to the documentation of this file.
1 /*-
2  * BSD LICENSE
3  *
4  * Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
5  * Copyright(c) 2014 6WIND S.A.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * * Redistributions of source code must retain the above copyright
13  * notice, this list of conditions and the following disclaimer.
14  * * Redistributions in binary form must reproduce the above copyright
15  * notice, this list of conditions and the following disclaimer in
16  * the documentation and/or other materials provided with the
17  * distribution.
18  * * Neither the name of Intel Corporation nor the names of its
19  * contributors may be used to endorse or promote products derived
20  * from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
28  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33  */
34 
35 #ifndef _RTE_KVARGS_H_
36 #define _RTE_KVARGS_H_
37 
53 #ifdef __cplusplus
54 extern "C" {
55 #endif
56 
58 #define RTE_KVARGS_MAX 32
59 
61 #define RTE_KVARGS_PAIRS_DELIM ","
62 
64 #define RTE_KVARGS_KV_DELIM "="
65 
67 typedef int (*arg_handler_t)(const char *key, const char *value, void *opaque);
68 
71  char *key;
72  char *value;
73 };
74 
76 struct rte_kvargs {
77  char *str;
78  unsigned count;
80 };
81 
100 struct rte_kvargs *rte_kvargs_parse(const char *args,
101  const char *const valid_keys[]);
102 
112 void rte_kvargs_free(struct rte_kvargs *kvlist);
113 
136 int rte_kvargs_process(const struct rte_kvargs *kvlist,
137  const char *key_match, arg_handler_t handler, void *opaque_arg);
138 
150 unsigned rte_kvargs_count(const struct rte_kvargs *kvlist,
151  const char *key_match);
152 
153 #ifdef __cplusplus
154 }
155 #endif
156 
157 #endif