// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/base/file-utils.h"
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#include <stdlib.h>
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#include <string.h>
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#include "src/base/platform/platform.h"
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namespace v8 {
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namespace base {
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char* RelativePath(char** buffer, const char* exec_path, const char* name) {
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DCHECK(exec_path);
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int path_separator = static_cast<int>(strlen(exec_path)) - 1;
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while (path_separator >= 0 &&
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!OS::isDirectorySeparator(exec_path[path_separator])) {
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path_separator--;
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}
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if (path_separator >= 0) {
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int name_length = static_cast<int>(strlen(name));
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*buffer =
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reinterpret_cast<char*>(calloc(path_separator + name_length + 2, 1));
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*buffer[0] = '\0';
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strncat(*buffer, exec_path, path_separator + 1);
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strncat(*buffer, name, name_length);
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} else {
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*buffer = strdup(name);
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}
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return *buffer;
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}
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} // namespace base
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} // namespace v8
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