4 * BabelTrace - Sequence Type Converter
6 * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
19 #include <babeltrace/compiler.h>
20 #include <babeltrace/format.h>
23 #define max(a, b) ((a) < (b) ? (b) : (a))
26 void sequence_copy(struct stream_pos
*dest
, const struct format
*fdest
,
27 struct stream_pos
*src
, const struct format
*fsrc
,
28 const struct type_class
*type_class
)
30 struct type_class_sequence
*sequence_class
=
31 container_of(type_class
, struct type_class_sequence
, p
);
35 fsrc
->sequence_begin(src
, sequence_class
);
36 fdest
->sequence_begin(dest
, sequence_class
);
38 len
= fsrc
->uint_read(src
, sequence_class
->len_class
);
39 fdest
->uint_write(dest
, sequence_class
->len_class
, len
);
41 for (i
= 0; i
< len
; i
++) {
42 struct type_class
*elem_class
= sequence_class
->elem
;
43 elem_class
->copy(dest
, fdest
, src
, fsrc
, elem_class
);
45 fsrc
->sequence_end(src
, sequence_class
);
46 fdest
->sequence_end(dest
, sequence_class
);
49 void sequence_type_free(struct type_class_sequence
*sequence_class
)
51 sequence_class
->elem
->free(sequence_class
->elem
);
52 type_unref(&sequence_class
->len_class
->p
);
53 type_unref(sequence_class
->elem
);
54 g_free(sequence_class
);
57 static void _sequence_type_free(struct type_class
*type_class
)
59 struct type_class_sequence
*sequence_class
=
60 container_of(type_class
, struct type_class_sequence
, p
);
61 sequence_type_free(sequence_class
);
64 struct type_class_sequence
*
65 sequence_type_new(const char *name
, struct type_class_integer
*len_class
,
66 struct type_class
*elem
)
68 struct type_class_sequence
*sequence_class
;
69 struct type_class
*type_class
;
72 sequence_class
= g_new(struct type_class_sequence
, 1);
73 type_class
= &sequence_class
->p
;
75 assert(!len_class
->signedness
);
77 type_ref(&len_class
->p
);
78 sequence_class
->len_class
= len_class
;
80 sequence_class
->elem
= elem
;
81 type_class
->name
= g_quark_from_string(name
);
82 type_class
->alignment
= max(len_class
->p
.alignment
,
84 type_class
->copy
= sequence_copy
;
85 type_class
->free
= _sequence_type_free
;
88 if (type_class
->name
) {
89 ret
= register_type(type_class
);
93 return sequence_class
;
96 type_unref(&len_class
->p
);
98 g_free(sequence_class
);
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