diff options
Diffstat (limited to 'drivers/windows/file_access_windows.cpp')
| -rw-r--r-- | drivers/windows/file_access_windows.cpp | 45 |
1 files changed, 44 insertions, 1 deletions
diff --git a/drivers/windows/file_access_windows.cpp b/drivers/windows/file_access_windows.cpp index 37a94ce4cc..ea40622afc 100644 --- a/drivers/windows/file_access_windows.cpp +++ b/drivers/windows/file_access_windows.cpp @@ -34,7 +34,6 @@ #include "core/os/os.h" #include "core/string/print_string.h" - #include <share.h> // _SH_DENYNO #include <shlwapi.h> #define WIN32_LEAN_AND_MEAN @@ -58,7 +57,27 @@ void FileAccessWindows::check_errors() const { } } +bool FileAccessWindows::is_path_invalid(const String &p_path) { + // Check for invalid operating system file. + String fname = p_path; + int dot = fname.find("."); + if (dot != -1) { + fname = fname.substr(0, dot); + } + fname = fname.to_lower(); + return invalid_files.has(fname); +} + Error FileAccessWindows::open_internal(const String &p_path, int p_mode_flags) { + if (is_path_invalid(p_path)) { +#ifdef DEBUG_ENABLED + if (p_mode_flags != READ) { + WARN_PRINT("The path :" + p_path + " is a reserved Windows system pipe, so it can't be used for creating files."); + } +#endif + return ERR_INVALID_PARAMETER; + } + _close(); path_src = p_path; @@ -313,6 +332,10 @@ void FileAccessWindows::store_buffer(const uint8_t *p_src, uint64_t p_length) { } bool FileAccessWindows::file_exists(const String &p_name) { + if (is_path_invalid(p_name)) { + return false; + } + String filename = fix_path(p_name); FILE *g = _wfsopen((LPCWSTR)(filename.utf16().get_data()), L"rb", _SH_DENYNO); if (g == nullptr) { @@ -324,6 +347,10 @@ bool FileAccessWindows::file_exists(const String &p_name) { } uint64_t FileAccessWindows::_get_modified_time(const String &p_file) { + if (is_path_invalid(p_file)) { + return 0; + } + String file = fix_path(p_file); if (file.ends_with("/") && file != "/") { file = file.substr(0, file.length() - 1); @@ -352,4 +379,20 @@ FileAccessWindows::~FileAccessWindows() { _close(); } +HashSet<String> FileAccessWindows::invalid_files; + +void FileAccessWindows::initialize() { + static const char *reserved_files[]{ + "con", "prn", "aux", "nul", "com0", "com1", "com2", "com3", "com4", "com5", "com6", "com7", "com8", "com9", "lpt0", "lpt1", "lpt2", "lpt3", "lpt4", "lpt5", "lpt6", "lpt7", "lpt8", "lpt9", nullptr + }; + int reserved_file_index = 0; + while (reserved_files[reserved_file_index] != nullptr) { + invalid_files.insert(reserved_files[reserved_file_index]); + reserved_file_index++; + } +} +void FileAccessWindows::finalize() { + invalid_files.clear(); +} + #endif // WINDOWS_ENABLED |