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fs::get_config_dir, fs::get_executable_dir
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Nekotekina
parent
56ba5a765b
commit
321e6d3a86
21 changed files with 249 additions and 178 deletions
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@ -8,7 +8,7 @@
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#define GET_API_ERROR static_cast<u64>(GetLastError())
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std::unique_ptr<wchar_t[]> to_wchar(const std::string& source)
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static std::unique_ptr<wchar_t[]> to_wchar(const std::string& source)
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{
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const auto length = source.size() + 1; // size + null terminator
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@ -24,7 +24,7 @@ std::unique_ptr<wchar_t[]> to_wchar(const std::string& source)
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return buffer;
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}
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void to_utf8(std::string& result, const wchar_t* source)
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static void to_utf8(std::string& result, const wchar_t* source)
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{
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const int length = lstrlenW(source); // source length
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@ -48,30 +48,30 @@ void to_utf8(std::string& result, const wchar_t* source)
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}
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}
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time_t to_time_t(const ULARGE_INTEGER& ft)
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static time_t to_time(const ULARGE_INTEGER& ft)
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{
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return ft.QuadPart / 10000000ULL - 11644473600ULL;
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}
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time_t to_time_t(const LARGE_INTEGER& ft)
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static time_t to_time(const LARGE_INTEGER& ft)
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{
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ULARGE_INTEGER v;
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v.LowPart = ft.LowPart;
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v.HighPart = ft.HighPart;
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return to_time_t(v);
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return to_time(v);
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}
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time_t to_time_t(const FILETIME& ft)
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static time_t to_time(const FILETIME& ft)
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{
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ULARGE_INTEGER v;
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v.LowPart = ft.dwLowDateTime;
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v.HighPart = ft.dwHighDateTime;
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return to_time_t(v);
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return to_time(v);
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}
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bool truncate_file(const std::string& file, u64 length)
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static bool truncate_file(const std::string& file, u64 length)
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{
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// open the file
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const auto handle = CreateFileW(to_wchar(file).get(), GENERIC_WRITE, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
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@ -105,6 +105,7 @@ bool truncate_file(const std::string& file, u64 length)
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#include <unistd.h>
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#if defined(__APPLE__) || defined(__FreeBSD__)
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#include <copyfile.h>
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#include <mach-o/dyld.h>
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#else
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#include <sys/sendfile.h>
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#endif
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@ -130,9 +131,9 @@ bool fs::stat(const std::string& path, stat_t& info)
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info.is_directory = (attrs.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0;
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info.is_writable = (attrs.dwFileAttributes & FILE_ATTRIBUTE_READONLY) == 0;
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info.size = (u64)attrs.nFileSizeLow | ((u64)attrs.nFileSizeHigh << 32);
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info.atime = to_time_t(attrs.ftLastAccessTime);
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info.mtime = to_time_t(attrs.ftLastWriteTime);
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info.ctime = to_time_t(attrs.ftCreationTime);
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info.atime = to_time(attrs.ftLastAccessTime);
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info.mtime = to_time(attrs.ftLastWriteTime);
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info.ctime = to_time(attrs.ftCreationTime);
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#else
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struct stat file_info;
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if (stat(path.c_str(), &file_info) < 0)
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@ -306,7 +307,7 @@ bool fs::rename(const std::string& from, const std::string& to)
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#ifndef _WIN32
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int OSCopyFile(const char* source, const char* destination, bool overwrite)
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static int OSCopyFile(const char* source, const char* destination, bool overwrite)
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{
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/* Source: http://stackoverflow.com/questions/2180079/how-can-i-copy-a-file-on-unix-using-c */
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@ -521,9 +522,9 @@ bool fs::file::stat(stat_t& info) const
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info.is_directory = (basic_info.FileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0;
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info.is_writable = (basic_info.FileAttributes & FILE_ATTRIBUTE_READONLY) == 0;
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info.size = this->size();
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info.atime = to_time_t(basic_info.LastAccessTime);
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info.mtime = to_time_t(basic_info.ChangeTime);
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info.ctime = to_time_t(basic_info.CreationTime);
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info.atime = to_time(basic_info.LastAccessTime);
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info.mtime = to_time(basic_info.ChangeTime);
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info.ctime = to_time(basic_info.CreationTime);
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#else
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struct stat file_info;
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if (fstat(m_fd, &file_info) < 0)
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@ -565,6 +566,7 @@ u64 fs::file::read(void* buffer, u64 count) const
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{
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g_tls_error = fse::ok;
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// TODO (call ReadFile multiple times if count is too big)
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const int size = count <= INT_MAX ? static_cast<int>(count) : throw EXCEPTION("Invalid count (0x%llx)", count);
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#ifdef _WIN32
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@ -584,6 +586,7 @@ u64 fs::file::write(const void* buffer, u64 count) const
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{
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g_tls_error = fse::ok;
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// TODO (call WriteFile multiple times if count is too big)
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const int size = count <= INT_MAX ? static_cast<int>(count) : throw EXCEPTION("Invalid count (0x%llx)", count);
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#ifdef _WIN32
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@ -769,9 +772,9 @@ bool fs::dir::read(std::string& name, stat_t& info)
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info.is_directory = (found.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0;
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info.is_writable = (found.dwFileAttributes & FILE_ATTRIBUTE_READONLY) == 0;
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info.size = ((u64)found.nFileSizeHigh << 32) | (u64)found.nFileSizeLow;
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info.atime = to_time_t(found.ftLastAccessTime);
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info.mtime = to_time_t(found.ftLastWriteTime);
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info.ctime = to_time_t(found.ftCreationTime);
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info.atime = to_time(found.ftLastAccessTime);
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info.mtime = to_time(found.ftLastWriteTime);
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info.ctime = to_time(found.ftCreationTime);
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#else
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const auto found = ::readdir((DIR*)m_dd);
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@ -793,3 +796,87 @@ bool fs::dir::read(std::string& name, stat_t& info)
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return true;
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}
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std::string fs::get_config_dir()
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{
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// Use magic static for dir initialization
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static const std::string s_dir = []
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{
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#ifdef _WIN32
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return get_executable_dir(); // ?
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#else
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std::string dir;
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if (const char* home = ::getenv("XDG_CONFIG_HOME"))
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dir = home;
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else if (const char* home = ::getenv("HOME"))
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dir = home + "/.config"s;
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else // Just in case
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dir = "./config";
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dir += "/rpcs3/";
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if (::mkdir(dir.c_str(), 0777) == -1 && errno != EEXIST)
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{
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std::printf("Failed to create configuration directory '%s' (%d).\n", dir.c_str(), errno);
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}
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return dir;
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#endif
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}();
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return s_dir;
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}
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std::string fs::get_executable_dir()
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{
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// Use magic static for dir initialization
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static const std::string s_dir = []
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{
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std::string dir;
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#ifdef _WIN32
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wchar_t buf[2048];
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if (GetModuleFileName(NULL, buf, ::size32(buf)) - 1 >= ::size32(buf) - 1)
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{
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MessageBoxA(0, fmt::format("GetModuleFileName() failed: 0x%x.", GetLastError()).c_str(), "fs::get_config_dir()", MB_ICONERROR);
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return dir; // empty
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}
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to_utf8(dir, buf); // Convert to UTF-8
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#elif __APPLE__
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char buf[4096];
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u32 size = sizeof(buf);
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if (_NSGetExecutablePath(buf, &size))
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{
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std::printf("_NSGetExecutablePath() failed (size=0x%x).\n", size);
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return dir; // empty
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}
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dir = buf;
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#else
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char buf[4096];
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const auto size = ::readlink("/proc/self/exe", buf, sizeof(buf));
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if (size <= 0 || size >= sizeof(buf))
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{
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std::printf("readlink(/proc/self/exe) failed (%d).\n", errno);
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return dir; // empty
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}
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dir = { buf, static_cast<std::size_t>(size) };
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#endif
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// Replace "\"
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for (auto& c : dir)
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{
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if (c == '\\') c = '/';
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}
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// Leave only path
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dir.resize(dir.rfind('/') + 1);
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return dir;
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}();
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return s_dir;
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}
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