// Returns true if file filename exists
bool Exists(const std::string &filename)
{
// Make sure Windows will no longer handle critical errors, which means no annoying "No disk" dialog
// Save the old error mode
#if defined(_WIN32) && !defined(__MINGW32__)
int OldMode = SetErrorMode(SEM_FAILCRITICALERRORS);
#endif
struct stat64 file_info;
#if defined(_WIN32) && defined(UNICODE) && !defined(__MINGW32__)
std::wstring copy = ConvertUTF8ToWString(filename);
StripTailDirSlashes(copy);
int result = _wstat64(copy.c_str(), &file_info);
#else
std::string copy(filename);
StripTailDirSlashes(copy);
int result = stat64(copy.c_str(), &file_info);
#endif
// Set the old error mode
#if defined(_WIN32) && !defined(__MINGW32__)
SetErrorMode(OldMode);
#endif
return (result == 0);
}
// Returns true if successful, or path already exists.
bool CreateDir(const std::string &path)
{
std::string fn = path;
StripTailDirSlashes(fn);
DEBUG_LOG(COMMON, "CreateDir('%s')", fn.c_str());
#ifdef _WIN32
if (::CreateDirectory(ConvertUTF8ToWString(fn).c_str(), NULL))
return true;
DWORD error = GetLastError();
if (error == ERROR_ALREADY_EXISTS)
{
WARN_LOG(COMMON, "CreateDir: CreateDirectory failed on %s: already exists", path.c_str());
return true;
}
ERROR_LOG(COMMON, "CreateDir: CreateDirectory failed on %s: %i", path.c_str(), error);
return false;
#else
if (mkdir(fn.c_str(), 0755) == 0)
return true;
int err = errno;
if (err == EEXIST)
{
WARN_LOG(COMMON, "CreateDir: mkdir failed on %s: already exists", fn.c_str());
return true;
}
ERROR_LOG(COMMON, "CreateDir: mkdir failed on %s: %s", fn.c_str(), strerror(err));
return false;
#endif
}
// Returns true if filename is a directory
bool IsDirectory(const std::string &filename)
{
std::string fn = filename;
StripTailDirSlashes(fn);
#if defined(_WIN32)
std::wstring copy = ConvertUTF8ToWString(fn);
WIN32_FILE_ATTRIBUTE_DATA data{};
if (!GetFileAttributesEx(copy.c_str(), GetFileExInfoStandard, &data) || data.dwFileAttributes == INVALID_FILE_ATTRIBUTES) {
WARN_LOG(COMMON, "GetFileAttributes failed on %s: %08x", fn.c_str(), GetLastError());
return false;
}
DWORD result = data.dwFileAttributes;
return (result & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY;
#else
std::string copy(fn);
struct stat file_info;
int result = stat(copy.c_str(), &file_info);
if (result < 0) {
WARN_LOG(COMMON, "IsDirectory: stat failed on %s: %s",
fn.c_str(), GetLastErrorMsg());
return false;
}
return S_ISDIR(file_info.st_mode);
#endif
}
// Returns true if filename is a directory
bool IsDirectory(const std::string &filename)
{
struct stat64 file_info;
#if defined(_WIN32) && defined(UNICODE) && !defined(__MINGW32__)
std::wstring copy = ConvertUTF8ToWString(filename);
StripTailDirSlashes(copy);
int result = _wstat64(copy.c_str(), &file_info);
#else
std::string copy(filename);
StripTailDirSlashes(copy);
int result = stat64(copy.c_str(), &file_info);
#endif
if (result < 0) {
WARN_LOG(COMMON, "IsDirectory: stat failed on %s: %s",
filename.c_str(), GetLastErrorMsg());
return false;
}
return IsDirectory(file_info);
}
// Returns true if file filename exists. Will return true on directories.
bool Exists(const std::string &filename) {
std::string fn = filename;
StripTailDirSlashes(fn);
#if defined(_WIN32)
std::wstring copy = ConvertUTF8ToWString(fn);
// Make sure Windows will no longer handle critical errors, which means no annoying "No disk" dialog
int OldMode = SetErrorMode(SEM_FAILCRITICALERRORS);
bool success = GetFileAttributes(copy.c_str()) != INVALID_FILE_ATTRIBUTES;
SetErrorMode(OldMode);
return success;
#else
struct stat64 file_info;
return stat64(fn.c_str(), &file_info) == 0;
#endif
}
// Creates the full path of fullPath returns true on success
bool CreateFullPath(const std::string &path)
{
std::string fullPath = path;
StripTailDirSlashes(fullPath);
int panicCounter = 100;
VERBOSE_LOG(COMMON, "CreateFullPath: path %s", fullPath.c_str());
if (File::Exists(fullPath)) {
DEBUG_LOG(COMMON, "CreateFullPath: path exists %s", fullPath.c_str());
return true;
}
size_t position = 0;
#ifdef _WIN32
// Skip the drive letter, no need to create C:\.
position = 3;
#endif
while (true)
{
// Find next sub path
position = fullPath.find_first_of(DIR_SEP_CHRS, position);
// we're done, yay!
if (position == fullPath.npos)
{
if (!File::Exists(fullPath))
return File::CreateDir(fullPath);
return true;
}
std::string subPath = fullPath.substr(0, position);
if (position != 0 && !File::Exists(subPath))
File::CreateDir(subPath);
// A safety check
panicCounter--;
if (panicCounter <= 0)
{
ERROR_LOG(COMMON, "CreateFullPath: directory structure too deep");
return false;
}
position++;
}
}
// Returns true if file filename exists. Will return true on directories.
bool Exists(const std::string &filename) {
std::string fn = filename;
StripTailDirSlashes(fn);
#if defined(_WIN32)
std::wstring copy = ConvertUTF8ToWString(fn);
// Make sure Windows will no longer handle critical errors, which means no annoying "No disk" dialog
#if !PPSSPP_PLATFORM(UWP)
int OldMode = SetErrorMode(SEM_FAILCRITICALERRORS);
#endif
WIN32_FILE_ATTRIBUTE_DATA data{};
if (!GetFileAttributesEx(copy.c_str(), GetFileExInfoStandard, &data) || data.dwFileAttributes == INVALID_FILE_ATTRIBUTES) {
return false;
}
#if !PPSSPP_PLATFORM(UWP)
SetErrorMode(OldMode);
#endif
return true;
#else
struct stat file_info;
return stat(fn.c_str(), &file_info) == 0;
#endif
}
