Add missing permission notice in each source file
[babeltrace.git] / formats / ctf / types / array.c
1 /*
2 * Common Trace Format
3 *
4 * Array format access functions.
5 *
6 * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
7 *
8 * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
9 *
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:
16 *
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
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.
27 */
28
29 #include <babeltrace/ctf/types.h>
30
31 int ctf_array_read(struct stream_pos *ppos, struct definition *definition)
32 {
33 struct definition_array *array_definition =
34 container_of(definition, struct definition_array, p);
35 struct declaration_array *array_declaration =
36 array_definition->declaration;
37 struct declaration *elem = array_declaration->elem;
38 struct ctf_stream_pos *pos =
39 container_of(ppos, struct ctf_stream_pos, parent);
40
41 if (elem->id == CTF_TYPE_INTEGER) {
42 struct declaration_integer *integer_declaration =
43 container_of(elem, struct declaration_integer, p);
44
45 if (integer_declaration->encoding == CTF_STRING_UTF8
46 || integer_declaration->encoding == CTF_STRING_ASCII) {
47
48 if (integer_declaration->len == CHAR_BIT
49 && integer_declaration->p.alignment == CHAR_BIT) {
50
51 ctf_align_pos(pos, integer_declaration->p.alignment);
52 if (!ctf_pos_access_ok(pos, array_declaration->len * CHAR_BIT))
53 return -EFAULT;
54
55 g_string_assign(array_definition->string, "");
56 g_string_insert_len(array_definition->string,
57 0, (char *) ctf_get_pos_addr(pos),
58 array_declaration->len);
59 ctf_move_pos(pos, array_declaration->len * CHAR_BIT);
60 return 0;
61 }
62 }
63 }
64 return array_rw(ppos, definition);
65 }
66
67 int ctf_array_write(struct stream_pos *ppos, struct definition *definition)
68 {
69 struct definition_array *array_definition =
70 container_of(definition, struct definition_array, p);
71 struct declaration_array *array_declaration =
72 array_definition->declaration;
73 struct declaration *elem = array_declaration->elem;
74 struct ctf_stream_pos *pos =
75 container_of(ppos, struct ctf_stream_pos, parent);
76
77 if (elem->id == CTF_TYPE_INTEGER) {
78 struct declaration_integer *integer_declaration =
79 container_of(elem, struct declaration_integer, p);
80
81 if (integer_declaration->encoding == CTF_STRING_UTF8
82 || integer_declaration->encoding == CTF_STRING_ASCII) {
83
84 if (integer_declaration->len == CHAR_BIT
85 && integer_declaration->p.alignment == CHAR_BIT) {
86
87 ctf_align_pos(pos, integer_declaration->p.alignment);
88 if (!ctf_pos_access_ok(pos, array_declaration->len * CHAR_BIT))
89 return -EFAULT;
90
91 memcpy((char *) ctf_get_pos_addr(pos),
92 array_definition->string->str,
93 array_declaration->len);
94 ctf_move_pos(pos, array_declaration->len * CHAR_BIT);
95 return 0;
96 }
97 }
98 }
99 return array_rw(ppos, definition);
100 }
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