blob: 9843ed6528525656c7bc7d7c50bc76ee7bb1c66c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to you under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
#ifndef AVRO_GENERIC_INTERNAL_H
#define AVRO_GENERIC_INTERNAL_H
#ifdef __cplusplus
extern "C" {
#define CLOSE_EXTERN }
#else
#define CLOSE_EXTERN
#endif
#include <sys/types.h>
#include "avro/generic.h"
#include "avro/schema.h"
#include "avro/value.h"
/*
* Each generic value implementation struct defines a couple of extra
* methods that we use to control the lifecycle of the value objects.
*/
typedef struct avro_generic_value_iface {
avro_value_iface_t parent;
/**
* Return the size of an instance of this value type. If this
* returns 0, then this value type can't be used with any
* function or type (like avro_value_new) that expects to
* allocate space for the value itself.
*/
size_t
(*instance_size)(const avro_value_iface_t *iface);
/**
* Initialize a new value instance.
*/
int
(*init)(const avro_value_iface_t *iface, void *self);
/**
* Finalize a value instance.
*/
void
(*done)(const avro_value_iface_t *iface, void *self);
} avro_generic_value_iface_t;
#define avro_value_instance_size(gcls) \
((gcls)->instance_size == NULL ? (ssize_t)-1 : (ssize_t)(gcls)->instance_size(&(gcls)->parent))
#define avro_value_init(gcls, self) \
((gcls)->init == NULL? EINVAL: (gcls)->init(&(gcls)->parent, (self)))
#define avro_value_done(gcls, self) \
((gcls)->done == NULL? (void) 0: (gcls)->done(&(gcls)->parent, (self)))
CLOSE_EXTERN
#endif
|
