blob: 68001cd8f9f383bc4bff942cb899cd06b562638d [file] [log] [blame]
// Copyright 2020 The Fuchsia 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/storage/volume_image/utils/path.h"
#include <limits.h>
#include <unistd.h>
#include <filesystem>
#if defined(__APPLE__)
#include <mach-o/dyld.h>
namespace storage::volume_image {
std::string GetBasePath() {
std::string result;
#if defined(__APPLE__)
// Executable path can have relative references ("..") depending on how the
// app was launched.
uint32_t length = 0;
_NSGetExecutablePath(nullptr, &length);
_NSGetExecutablePath(&result[0], &length);
result.resize(length - 1); // Length included terminator.
#elif defined(__linux__)
// The realpath() call below will resolve the symbolic link.
result = "./";
char fullpath[PATH_MAX];
std::filesystem::path path = std::string(realpath(result.c_str(), fullpath));
return path.remove_filename().c_str();
} // namespace storage::volume_image