Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1 | // Copyright 2016 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "src/base/file-utils.h" |
| 6 | |
| 7 | #include <stdlib.h> |
| 8 | #include <string.h> |
| 9 | |
| 10 | #include "src/base/platform/platform.h" |
| 11 | |
| 12 | namespace v8 { |
| 13 | namespace internal { |
| 14 | |
| 15 | char* RelativePath(char** buffer, const char* exec_path, const char* name) { |
| 16 | DCHECK(exec_path); |
| 17 | int path_separator = static_cast<int>(strlen(exec_path)) - 1; |
| 18 | while (path_separator >= 0 && |
| 19 | !base::OS::isDirectorySeparator(exec_path[path_separator])) { |
| 20 | path_separator--; |
| 21 | } |
| 22 | if (path_separator >= 0) { |
| 23 | int name_length = static_cast<int>(strlen(name)); |
| 24 | *buffer = |
| 25 | reinterpret_cast<char*>(calloc(path_separator + name_length + 2, 1)); |
| 26 | *buffer[0] = '\0'; |
| 27 | strncat(*buffer, exec_path, path_separator + 1); |
| 28 | strncat(*buffer, name, name_length); |
| 29 | } else { |
| 30 | *buffer = strdup(name); |
| 31 | } |
| 32 | return *buffer; |
| 33 | } |
| 34 | |
| 35 | } // namespace internal |
| 36 | } // namespace v8 |