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// Copyright (c) 2006-2008 The Chromium 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 "base/base_paths_linux.h"
#include <unistd.h>
#include "base/file_path.h"
#include "base/file_util.h"
#include "base/logging.h"
#include "base/path_service.h"
#include "base/string_piece.h"
#include "base/sys_string_conversions.h"
namespace base {
#if defined(OS_LINUX)
const char kSelfExe[] = "/proc/self/exe";
#elif defined(OS_FREEBSD)
const char kSelfExe[] = "/proc/curproc/file";
#endif
bool PathProviderLinux(int key, FilePath* result) {
FilePath path;
switch (key) {
case base::FILE_EXE:
case base::FILE_MODULE: { // TODO(evanm): is this correct?
char bin_dir[PATH_MAX + 1];
int bin_dir_size = readlink(kSelfExe, bin_dir, PATH_MAX);
if (bin_dir_size < 0 || bin_dir_size > PATH_MAX) {
NOTREACHED() << "Unable to resolve " << kSelfExe << ".";
return false;
}
bin_dir[bin_dir_size] = 0;
*result = FilePath(bin_dir);
return true;
}
case base::DIR_SOURCE_ROOT:
// On linux, unit tests execute two levels deep from the source root.
// For example: sconsbuild/{Debug|Release}/net_unittest
if (!PathService::Get(base::DIR_EXE, &path))
return false;
path = path.Append(FilePath::kParentDirectory)
.Append(FilePath::kParentDirectory);
*result = path;
return true;
}
return false;
}
} // namespace base
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