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https://github.com/Atmosphere-NX/Atmosphere.git
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108 lines
4 KiB
C++
108 lines
4 KiB
C++
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/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stratosphere.hpp>
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#include "fssrv_utility.hpp"
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#if defined(ATMOSPHERE_OS_LINUX)
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#include <unistd.h>
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#elif defined(ATMOSPHERE_OS_MACOS)
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#include <mach-o/dyld.h>
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#endif
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namespace ams::fssystem {
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class PathOnExecutionDirectory {
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private:
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char m_path[fs::EntryNameLengthMax + 1];
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public:
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PathOnExecutionDirectory() {
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#if defined(ATMOSPHERE_OS_WINDOWS)
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{
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/* Get the module file name. */
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wchar_t module_file_name[fs::EntryNameLengthMax + 1];
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if (::GetModuleFileNameW(0, module_file_name, util::size(module_file_name)) == 0) {
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AMS_FS_R_ABORT_UNLESS(fs::ResultUnexpectedInPathOnExecutionDirectoryA());
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}
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/* Split the path. */
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wchar_t drive_name[3];
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wchar_t dir_name[fs::EntryNameLengthMax + 1];
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::_wsplitpath_s(module_file_name, drive_name, util::size(drive_name), dir_name, util::size(dir_name), nullptr, 0, nullptr, 0);
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/* Print the drive and directory. */
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wchar_t path[fs::EntryNameLengthMax + 1];
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::swprintf_s(path, util::size(path), L"%s%s", drive_name, dir_name);
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/* Convert to utf-8. */
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const auto res = ::WideCharToMultiByte(CP_UTF8, 0, path, -1, m_path, util::size(m_path), nullptr, nullptr);
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if (res == 0) {
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AMS_FS_R_ABORT_UNLESS(fs::ResultUnexpectedInPathOnExecutionDirectoryB());
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}
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}
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#elif defined(ATMOSPHERE_OS_LINUX)
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{
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char full_path[PATH_MAX] = {};
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if (::readlink("/proc/self/exe", full_path, sizeof(full_path)) == -1) {
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AMS_FS_R_ABORT_UNLESS(fs::ResultUnexpectedInPathOnExecutionDirectoryA());
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}
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const int len = std::strlen(full_path);
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std::memcpy(m_path, full_path, len + 1);
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for (int i = len - 1; i >= 0; --i) {
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if (m_path[i] == '/') {
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m_path[i + 1] = 0;
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break;
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}
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}
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}
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#elif defined(ATMOSPHERE_OS_MACOS)
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{
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char full_path[PATH_MAX + 1] = {};
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uint32_t size = sizeof(full_path);
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AMS_ABORT_UNLESS(_NSGetExecutablePath(full_path, std::addressof(size)) == 0);
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const int len = std::strlen(full_path);
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std::memcpy(m_path, full_path, len + 1);
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for (int i = len - 1; i >= 0; --i) {
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if (m_path[i] == '/') {
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m_path[i + 1] = 0;
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break;
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}
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}
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}
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#else
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AMS_ABORT("TODO: Unknown OS for PathOnExecutionDirectory");
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#endif
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}
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const char *Get() const {
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return m_path;
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}
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};
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}
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namespace ams::fssrv::impl {
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const char *GetExecutionDirectoryPath() {
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AMS_FUNCTION_LOCAL_STATIC(fssystem::PathOnExecutionDirectory, s_path_on_execution_directory);
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return s_path_on_execution_directory.Get();
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}
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}
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