Fix: warn, and don't assert, when reading a value outside enum range
[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
21 #include <babeltrace/ctf/types.h>
22 #include <inttypes.h>
23 #include <stdint.h>
24 #include <glib.h>
25
26 int ctf_enum_read(struct stream_pos *ppos, struct definition *definition)
27 {
28 struct definition_enum *enum_definition =
29 container_of(definition, struct definition_enum, p);
30 const struct declaration_enum *enum_declaration =
31 enum_definition->declaration;
32 struct definition_integer *integer_definition =
33 enum_definition->integer;
34 const struct declaration_integer *integer_declaration =
35 integer_definition->declaration;
36 GArray *qs;
37 int ret;
38
39 ret = ctf_integer_read(ppos, &integer_definition->p);
40 if (ret)
41 return ret;
42 if (!integer_declaration->signedness) {
43 qs = enum_uint_to_quark_set(enum_declaration,
44 integer_definition->value._unsigned);
45 if (!qs) {
46 fprintf(stderr, "[warning] Unknown value %" PRIu64 " in enum.\n",
47 integer_definition->value._unsigned);
48 }
49 } else {
50 qs = enum_int_to_quark_set(enum_declaration,
51 integer_definition->value._signed);
52 if (!qs) {
53 fprintf(stderr, "[warning] Unknown value %" PRId64 " in enum.\n",
54 integer_definition->value._signed);
55 }
56 }
57 /* unref previous quark set */
58 if (enum_definition->value)
59 g_array_unref(enum_definition->value);
60 enum_definition->value = qs;
61 return 0;
62 }
63
64 int ctf_enum_write(struct stream_pos *pos, struct definition *definition)
65 {
66 struct definition_enum *enum_definition =
67 container_of(definition, struct definition_enum, p);
68 struct definition_integer *integer_definition =
69 enum_definition->integer;
70
71 return ctf_integer_write(pos, &integer_definition->p);
72 }
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