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