4 * Sequence format access functions.
6 * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
8 * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
10 * Permission is hereby granted, free of charge, to any person obtaining a copy
11 * of this software and associated documentation files (the "Software"), to deal
12 * in the Software without restriction, including without limitation the rights
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14 * copies of the Software, and to permit persons to whom the Software is
15 * furnished to do so, subject to the following conditions:
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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29 #include <babeltrace/ctf/types.h>
31 int ctf_sequence_read(struct bt_stream_pos
*ppos
, struct bt_definition
*definition
)
33 struct definition_sequence
*sequence_definition
=
34 container_of(definition
, struct definition_sequence
, p
);
35 struct declaration_sequence
*sequence_declaration
=
36 sequence_definition
->declaration
;
37 struct bt_declaration
*elem
= sequence_declaration
->elem
;
38 struct ctf_stream_pos
*pos
= ctf_pos(ppos
);
40 if (elem
->id
== CTF_TYPE_INTEGER
) {
41 struct declaration_integer
*integer_declaration
=
42 container_of(elem
, struct declaration_integer
, p
);
44 if (bt_int_is_char(elem
)) {
45 uint64_t len
= bt_sequence_len(sequence_definition
);
47 if (!ctf_align_pos(pos
, integer_declaration
->p
.alignment
))
49 if (!ctf_pos_access_ok(pos
, len
* CHAR_BIT
))
52 g_string_assign(sequence_definition
->string
, "");
53 g_string_insert_len(sequence_definition
->string
,
54 0, (char *) ctf_get_pos_addr(pos
), len
);
57 return bt_sequence_rw(ppos
, definition
);
60 int ctf_sequence_write(struct bt_stream_pos
*ppos
, struct bt_definition
*definition
)
62 struct definition_sequence
*sequence_definition
=
63 container_of(definition
, struct definition_sequence
, p
);
64 struct declaration_sequence
*sequence_declaration
=
65 sequence_definition
->declaration
;
66 struct bt_declaration
*elem
= sequence_declaration
->elem
;
67 struct ctf_stream_pos
*pos
= ctf_pos(ppos
);
69 if (elem
->id
== CTF_TYPE_INTEGER
) {
70 struct declaration_integer
*integer_declaration
=
71 container_of(elem
, struct declaration_integer
, p
);
73 if (bt_int_is_char(elem
)) {
74 uint64_t len
= bt_sequence_len(sequence_definition
);
76 if (!ctf_align_pos(pos
, integer_declaration
->p
.alignment
))
78 if (!ctf_pos_access_ok(pos
, len
* CHAR_BIT
))
81 memcpy((char *) ctf_get_pos_addr(pos
),
82 sequence_definition
->string
->str
, len
);
83 if (!ctf_move_pos(pos
, len
* CHAR_BIT
))
88 return bt_sequence_rw(ppos
, definition
);
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