michael@0: // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: 
michael@0: #include "base/base_paths_linux.h"
michael@0: 
michael@0: #include <unistd.h>
michael@0: 
michael@0: #include "base/file_path.h"
michael@0: #include "base/file_util.h"
michael@0: #include "base/logging.h"
michael@0: #include "base/path_service.h"
michael@0: #include "base/string_piece.h"
michael@0: #include "base/sys_string_conversions.h"
michael@0: 
michael@0: namespace base {
michael@0: 
michael@0: bool PathProviderLinux(int key, FilePath* result) {
michael@0:   FilePath path;
michael@0:   switch (key) {
michael@0:     case base::FILE_EXE:
michael@0:     case base::FILE_MODULE: { // TODO(evanm): is this correct?
michael@0:       char bin_dir[PATH_MAX + 1];
michael@0:       int bin_dir_size = readlink("/proc/self/exe", bin_dir, PATH_MAX);
michael@0:       if (bin_dir_size < 0 || bin_dir_size > PATH_MAX) {
michael@0:         NOTREACHED() << "Unable to resolve /proc/self/exe.";
michael@0:         return false;
michael@0:       }
michael@0:       bin_dir[bin_dir_size] = 0;
michael@0:       *result = FilePath(bin_dir);
michael@0:       return true;
michael@0:     }
michael@0:     case base::DIR_SOURCE_ROOT:
michael@0:       // On linux, unit tests execute two levels deep from the source root.
michael@0:       // For example:  sconsbuild/{Debug|Release}/net_unittest
michael@0:       if (!PathService::Get(base::DIR_EXE, &path))
michael@0:         return false;
michael@0:       path = path.Append(FilePath::kParentDirectory)
michael@0:                  .Append(FilePath::kParentDirectory);
michael@0:       *result = path;
michael@0:       return true;
michael@0:   }
michael@0:   return false;
michael@0: }
michael@0: 
michael@0: }  // namespace base