Re-organize sources
[babeltrace.git] / src / plugins / lttng-utils / debug-info / utils.c
1 /*
2 * Babeltrace - Debug info utilities
3 *
4 * Copyright (c) 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 */
24
25 #include "utils.h"
26
27 BT_HIDDEN
28 const char *get_filename_from_path(const char *path)
29 {
30 size_t i = strlen(path);
31
32 if (i == 0) {
33 goto end;
34 }
35
36 if (path[i - 1] == '/') {
37 /*
38 * Path ends with a trailing slash, no filename to return.
39 * Return the original path.
40 */
41 goto end;
42 }
43
44 while (i-- > 0) {
45 if (path[i] == '/') {
46 path = &path[i + 1];
47 goto end;
48 }
49 }
50 end:
51 return path;
52 }
53
54 BT_HIDDEN
55 bt_bool is_event_common_ctx_dbg_info_compatible(const bt_field_class *in_field_class,
56 const char *debug_info_field_class_name)
57 {
58 const bt_field_class_structure_member *member;
59 const bt_field_class *ip_fc, *vpid_fc;
60 bt_bool match = BT_FALSE;
61
62 /*
63 * If the debug info field is already present in the event common
64 * context. Do not try to add it.
65 */
66 member =
67 bt_field_class_structure_borrow_member_by_name_const(
68 in_field_class, debug_info_field_class_name);
69 if (member) {
70 goto end;
71 }
72
73 /*
74 * Verify that the ip and vpid field are present and of the right field
75 * class.
76 */
77 member = bt_field_class_structure_borrow_member_by_name_const(
78 in_field_class, IP_FIELD_NAME);
79 if (!member) {
80 goto end;
81 }
82
83 ip_fc = bt_field_class_structure_member_borrow_field_class_const(
84 member);
85 if (bt_field_class_get_type(ip_fc) !=
86 BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER) {
87 match = BT_FALSE;
88 goto end;
89 }
90
91 member = bt_field_class_structure_borrow_member_by_name_const(
92 in_field_class, VPID_FIELD_NAME);
93 if (!member) {
94 goto end;
95 }
96
97 vpid_fc = bt_field_class_structure_member_borrow_field_class_const(
98 member);
99
100 if (bt_field_class_get_type(vpid_fc) !=
101 BT_FIELD_CLASS_TYPE_SIGNED_INTEGER) {
102 goto end;
103 }
104
105 if (bt_field_class_integer_get_field_value_range(vpid_fc) != 32) {
106 goto end;
107 }
108
109 match = BT_TRUE;
110
111 end:
112 return match;
113 }
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