Build fix
[babeltrace.git] / types / array.c
1 /*
2 * array.c
3 *
4 * BabelTrace - Array Type Converter
5 *
6 * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
17 */
18
19 #include <babeltrace/compiler.h>
20 #include <babeltrace/format.h>
21
22 void array_copy(struct stream_pos *dest, const struct format *fdest,
23 struct stream_pos *src, const struct format *fsrc,
24 const struct type_class *type_class)
25 {
26 struct type_class_array *array_class =
27 container_of(type_class, struct type_class_array, p);
28 unsigned int i;
29
30 fsrc->array_begin(src, array_class);
31 fdest->array_begin(dest, array_class);
32
33 for (i = 0; i < array_class->len; i++) {
34 struct type_class *elem_class = array_class->elem;
35 elem_class->copy(dest, fdest, src, fsrc, elem_class);
36 }
37 fsrc->array_end(src, array_class);
38 fdest->array_end(dest, array_class);
39 }
40
41 void array_type_free(struct type_class_array *array_class)
42 {
43 type_unref(array_class->elem);
44 g_free(array_class);
45 }
46
47 static void _array_type_free(struct type_class *type_class)
48 {
49 struct type_class_array *array_class =
50 container_of(type_class, struct type_class_array, p);
51 array_type_free(array_class);
52 }
53
54 struct type_class_array *array_type_new(const char *name, size_t len,
55 struct type_class *elem)
56 {
57 struct type_class_array *array_class;
58 struct type_class *type_class;
59 int ret;
60
61 array_class = g_new(struct type_class_array, 1);
62 type_class = &array_class->p;
63
64 array_class->len = len;
65 type_ref(elem);
66 array_class->elem = elem;
67 type_class->name = g_quark_from_string(name);
68 /* No need to align the array, the first element will align itself */
69 type_class->alignment = 1;
70 type_class->copy = array_copy;
71 type_class->free = _array_type_free;
72 type_class->ref = 1;
73
74 if (type_class->name) {
75 ret = ctf_register_type(type_class);
76 if (ret)
77 goto error_register;
78 }
79 return array_class;
80
81 error_register:
82 type_unref(array_class->elem);
83 g_free(array_class);
84 return NULL;
85 }
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