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[babeltrace.git] / formats / ctf / types / enum.c
1 /*
2 * Common Trace Format
3 *
4 * Enumeration mapping strings (quarks) from/to integers.
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 #include <inttypes.h>
31 #include <stdint.h>
32 #include <glib.h>
33
34 int ctf_enum_read(struct stream_pos *ppos, struct definition *definition)
35 {
36 struct definition_enum *enum_definition =
37 container_of(definition, struct definition_enum, p);
38 const struct declaration_enum *enum_declaration =
39 enum_definition->declaration;
40 struct definition_integer *integer_definition =
41 enum_definition->integer;
42 const struct declaration_integer *integer_declaration =
43 integer_definition->declaration;
44 GArray *qs;
45 int ret;
46
47 ret = ctf_integer_read(ppos, &integer_definition->p);
48 if (ret)
49 return ret;
50 if (!integer_declaration->signedness) {
51 qs = enum_uint_to_quark_set(enum_declaration,
52 integer_definition->value._unsigned);
53 if (!qs) {
54 fprintf(stderr, "[warning] Unknown value %" PRIu64 " in enum.\n",
55 integer_definition->value._unsigned);
56 }
57 } else {
58 qs = enum_int_to_quark_set(enum_declaration,
59 integer_definition->value._signed);
60 if (!qs) {
61 fprintf(stderr, "[warning] Unknown value %" PRId64 " in enum.\n",
62 integer_definition->value._signed);
63 }
64 }
65 /* unref previous quark set */
66 if (enum_definition->value)
67 g_array_unref(enum_definition->value);
68 enum_definition->value = qs;
69 return 0;
70 }
71
72 int ctf_enum_write(struct stream_pos *pos, struct definition *definition)
73 {
74 struct definition_enum *enum_definition =
75 container_of(definition, struct definition_enum, p);
76 struct definition_integer *integer_definition =
77 enum_definition->integer;
78
79 return ctf_integer_write(pos, &integer_definition->p);
80 }
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