| 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 | } |