Keir Mierle | 8d2a84f | 2020-04-14 22:00:00 -0700 | [diff] [blame] | 1 | // Copyright 2020 The Pigweed Authors |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| 4 | // use this file except in compliance with the License. You may obtain a copy of |
| 5 | // the License at |
| 6 | // |
| 7 | // https://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 11 | // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 12 | // License for the specific language governing permissions and limitations under |
| 13 | // the License. |
| 14 | |
| 15 | #include "pw_assert_test/fake_backend.h" |
| 16 | |
| 17 | #include <cstring> |
Wyatt Hepler | e2cbadf | 2020-06-22 11:21:45 -0700 | [diff] [blame] | 18 | #include <span> |
Keir Mierle | 8d2a84f | 2020-04-14 22:00:00 -0700 | [diff] [blame] | 19 | |
Keir Mierle | 8d2a84f | 2020-04-14 22:00:00 -0700 | [diff] [blame] | 20 | #include "pw_string/string_builder.h" |
| 21 | |
| 22 | // Global that's publicly accessible to read captured assert contents. |
| 23 | struct pw_CapturedAssert pw_captured_assert; |
| 24 | |
| 25 | bool IsDirSeparator(char c) { return c == '/' || c == '\\'; } |
| 26 | |
| 27 | const char* GetFileBasename(const char* filename) { |
| 28 | int length = std::strlen(filename); |
| 29 | if (length == 0) { |
| 30 | return filename; |
| 31 | } |
| 32 | |
| 33 | // Start on the last character, find the parent directory. |
| 34 | const char* basename = filename + std::strlen(filename) - 1; |
| 35 | while (basename != filename && !IsDirSeparator(*basename)) { |
| 36 | basename--; |
| 37 | } |
| 38 | if (IsDirSeparator(*basename)) { |
| 39 | basename++; |
| 40 | } |
| 41 | return basename; |
| 42 | } |
| 43 | |
| 44 | void pw_CaptureAssert(const char* file_name, |
| 45 | int line_number, |
| 46 | const char* function_name, |
| 47 | const char* message, |
| 48 | ...) { |
| 49 | // Triggered |
| 50 | pw_captured_assert.triggered = 1; |
| 51 | |
| 52 | // Filename |
| 53 | pw_captured_assert.file_name = file_name; |
| 54 | |
| 55 | // Line number |
| 56 | pw_captured_assert.line_number = line_number; |
| 57 | |
| 58 | // Function name |
| 59 | pw_captured_assert.function_name = function_name; |
| 60 | |
| 61 | // Message |
| 62 | pw::StringBuilder builder(pw_captured_assert.message); |
| 63 | va_list args; |
| 64 | va_start(args, message); |
| 65 | builder.FormatVaList(message, args); |
| 66 | va_end(args); |
| 67 | } |