xref: /btstack/src/btstack_tlv.c (revision 5cc4aee33b159086f22d3ba2c90a8f9f43142a48)
1 /*
2  * Copyright (C) 2017 BlueKitchen GmbH
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the copyright holders nor the names of
14  *    contributors may be used to endorse or promote products derived
15  *    from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
20  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN
21  * GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
23  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
24  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
26  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
27  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  */
31 
32 #define BTSTACK_FILE__ "btstack_tlv.c"
33 
34 /*
35  *  btstack_tlv.c
36  *
37  *  Singleton for BTstack's Tag Value Length Persistent Storage implementation
38  */
39 
40 #include "btstack_tlv.h"
41 #include "btstack_debug.h"
42 
43 
44 static const btstack_tlv_t * btstack_tlv_singleton_impl;
45 static void * 		         btstack_tlv_singleton_context;
46 
47 void btstack_tlv_set_instance(const btstack_tlv_t * tlv_impl, void * tlv_context){
48 	log_info("TLV Instance %p", (void*)tlv_impl);
49 	btstack_tlv_singleton_impl 	  = tlv_impl;
50 	btstack_tlv_singleton_context = tlv_context;
51 }
52 
53 void btstack_tlv_get_instance(const btstack_tlv_t ** tlv_impl, void ** tlv_context){
54 	*tlv_impl    = btstack_tlv_singleton_impl;
55 	*tlv_context = btstack_tlv_singleton_context;
56 }
57