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Side by Side Diff: src/base/file-utils.cc

Issue 2399323002: Reland of land "Turn libbase into a component" (Closed)
Patch Set: Created 4 years, 2 months ago
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1 // Copyright 2016 the V8 project authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/base/file-utils.h" 5 #include "src/base/file-utils.h"
6 6
7 #include <stdlib.h> 7 #include <stdlib.h>
8 #include <string.h> 8 #include <string.h>
9 9
10 #include "src/base/platform/platform.h" 10 #include "src/base/platform/platform.h"
11 11
12 namespace v8 { 12 namespace v8 {
13 namespace internal { 13 namespace base {
14 14
15 char* RelativePath(char** buffer, const char* exec_path, const char* name) { 15 char* RelativePath(char** buffer, const char* exec_path, const char* name) {
16 DCHECK(exec_path); 16 DCHECK(exec_path);
17 int path_separator = static_cast<int>(strlen(exec_path)) - 1; 17 int path_separator = static_cast<int>(strlen(exec_path)) - 1;
18 while (path_separator >= 0 && 18 while (path_separator >= 0 &&
19 !base::OS::isDirectorySeparator(exec_path[path_separator])) { 19 !OS::isDirectorySeparator(exec_path[path_separator])) {
20 path_separator--; 20 path_separator--;
21 } 21 }
22 if (path_separator >= 0) { 22 if (path_separator >= 0) {
23 int name_length = static_cast<int>(strlen(name)); 23 int name_length = static_cast<int>(strlen(name));
24 *buffer = 24 *buffer =
25 reinterpret_cast<char*>(calloc(path_separator + name_length + 2, 1)); 25 reinterpret_cast<char*>(calloc(path_separator + name_length + 2, 1));
26 *buffer[0] = '\0'; 26 *buffer[0] = '\0';
27 strncat(*buffer, exec_path, path_separator + 1); 27 strncat(*buffer, exec_path, path_separator + 1);
28 strncat(*buffer, name, name_length); 28 strncat(*buffer, name, name_length);
29 } else { 29 } else {
30 *buffer = strdup(name); 30 *buffer = strdup(name);
31 } 31 }
32 return *buffer; 32 return *buffer;
33 } 33 }
34 34
35 } // namespace internal 35 } // namespace base
36 } // namespace v8 36 } // namespace v8
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