Commit | Line | Data |
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d06d03db MD |
1 | /* |
2 | * Common Trace Format | |
3 | * | |
4 | * Sequence format access functions. | |
5 | * | |
64fa3fec MD |
6 | * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation |
7 | * | |
8 | * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
d06d03db | 9 | * |
ccd7e1c8 MD |
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 | |
13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
14 | * copies of the Software, and to permit persons to whom the Software is | |
15 | * furnished to do so, subject to the following conditions: | |
d06d03db | 16 | * |
ccd7e1c8 MD |
17 | * The above copyright notice and this permission notice shall be included in |
18 | * all copies or substantial portions of the Software. | |
c462e188 MD |
19 | * |
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 | |
23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
26 | * SOFTWARE. | |
d06d03db MD |
27 | */ |
28 | ||
29 | #include <babeltrace/ctf/types.h> | |
30 | ||
0d69b916 | 31 | int ctf_sequence_read(struct bt_stream_pos *ppos, struct bt_definition *definition) |
d06d03db | 32 | { |
81dee1bb MD |
33 | struct definition_sequence *sequence_definition = |
34 | container_of(definition, struct definition_sequence, p); | |
35 | struct declaration_sequence *sequence_declaration = | |
36 | sequence_definition->declaration; | |
ecc54f11 | 37 | struct bt_declaration *elem = sequence_declaration->elem; |
46322b33 MD |
38 | struct ctf_stream_pos *pos = ctf_pos(ppos); |
39 | ||
81dee1bb MD |
40 | if (elem->id == CTF_TYPE_INTEGER) { |
41 | struct declaration_integer *integer_declaration = | |
42 | container_of(elem, struct declaration_integer, p); | |
43 | ||
44 | if (integer_declaration->encoding == CTF_STRING_UTF8 | |
45 | || integer_declaration->encoding == CTF_STRING_ASCII) { | |
46 | ||
47 | if (integer_declaration->len == CHAR_BIT | |
48 | && integer_declaration->p.alignment == CHAR_BIT) { | |
9ffd39fc | 49 | uint64_t len = bt_sequence_len(sequence_definition); |
81dee1bb MD |
50 | |
51 | ctf_align_pos(pos, integer_declaration->p.alignment); | |
52 | if (!ctf_pos_access_ok(pos, len * CHAR_BIT)) | |
53 | return -EFAULT; | |
54 | ||
55 | g_string_assign(sequence_definition->string, ""); | |
56 | g_string_insert_len(sequence_definition->string, | |
57 | 0, (char *) ctf_get_pos_addr(pos), len); | |
58 | ctf_move_pos(pos, len * CHAR_BIT); | |
59 | return 0; | |
60 | } | |
61 | } | |
62 | } | |
9ffd39fc | 63 | return bt_sequence_rw(ppos, definition); |
81dee1bb MD |
64 | } |
65 | ||
0d69b916 | 66 | int ctf_sequence_write(struct bt_stream_pos *ppos, struct bt_definition *definition) |
81dee1bb MD |
67 | { |
68 | struct definition_sequence *sequence_definition = | |
69 | container_of(definition, struct definition_sequence, p); | |
70 | struct declaration_sequence *sequence_declaration = | |
71 | sequence_definition->declaration; | |
ecc54f11 | 72 | struct bt_declaration *elem = sequence_declaration->elem; |
81dee1bb MD |
73 | struct ctf_stream_pos *pos = ctf_pos(ppos); |
74 | ||
75 | if (elem->id == CTF_TYPE_INTEGER) { | |
76 | struct declaration_integer *integer_declaration = | |
77 | container_of(elem, struct declaration_integer, p); | |
78 | ||
79 | if (integer_declaration->encoding == CTF_STRING_UTF8 | |
80 | || integer_declaration->encoding == CTF_STRING_ASCII) { | |
81 | ||
82 | if (integer_declaration->len == CHAR_BIT | |
83 | && integer_declaration->p.alignment == CHAR_BIT) { | |
9ffd39fc | 84 | uint64_t len = bt_sequence_len(sequence_definition); |
81dee1bb MD |
85 | |
86 | ctf_align_pos(pos, integer_declaration->p.alignment); | |
87 | if (!ctf_pos_access_ok(pos, len * CHAR_BIT)) | |
88 | return -EFAULT; | |
89 | ||
90 | memcpy((char *) ctf_get_pos_addr(pos), | |
91 | sequence_definition->string->str, len); | |
92 | ctf_move_pos(pos, len * CHAR_BIT); | |
93 | return 0; | |
94 | } | |
95 | } | |
96 | } | |
9ffd39fc | 97 | return bt_sequence_rw(ppos, definition); |
d06d03db | 98 | } |