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[os2]: Split file type from mode bits

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This commit is contained in:
flysand7
2024-07-18 23:09:27 +11:00
parent 0bb4cc6ce5
commit 7b501b22bb
13 changed files with 137 additions and 120 deletions
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core/os/os2/stat_windows.odin
+27 -53
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@@ -19,28 +19,29 @@ _fstat :: proc(f: ^File, allocator: runtime.Allocator) -> (File_Info, Error) {
h := _handle(f)
switch win32.GetFileType(h) {
case win32.FILE_TYPE_PIPE, win32.FILE_TYPE_CHAR:
fi: File_Info
fi.fullpath = path
fi.name = basename(path)
fi.mode |= file_type_mode(h)
fi := File_Info {
fullpath = path,
name = basename(path),
type = file_type(h),
}
return fi, nil
}
return _file_info_from_get_file_information_by_handle(path, h, allocator)
}
_stat :: proc(name: string, allocator: runtime.Allocator) -> (File_Info, Error) {
return internal_stat(name, win32.FILE_FLAG_BACKUP_SEMANTICS, allocator)
}
_lstat :: proc(name: string, allocator: runtime.Allocator) -> (File_Info, Error) {
return internal_stat(name, win32.FILE_FLAG_BACKUP_SEMANTICS|win32.FILE_FLAG_OPEN_REPARSE_POINT, allocator)
}
_same_file :: proc(fi1, fi2: File_Info) -> bool {
return fi1.fullpath == fi2.fullpath
}
full_path_from_name :: proc(name: string, allocator: runtime.Allocator) -> (path: string, err: Error) {
name := name
if name == "" {
@@ -62,7 +63,6 @@ full_path_from_name :: proc(name: string, allocator: runtime.Allocator) -> (path
return win32.utf16_to_utf8(buf[:n], allocator)
}
internal_stat :: proc(name: string, create_file_attributes: u32, allocator: runtime.Allocator) -> (fi: File_Info, e: Error) {
if len(name) == 0 {
return {}, .Not_Exist
@@ -99,7 +99,6 @@ internal_stat :: proc(name: string, create_file_attributes: u32, allocator: runt
return _file_info_from_get_file_information_by_handle(name, h, allocator)
}
_cleanpath_strip_prefix :: proc(buf: []u16) -> []u16 {
buf := buf
N := 0
@@ -120,7 +119,6 @@ _cleanpath_strip_prefix :: proc(buf: []u16) -> []u16 {
return buf
}
_cleanpath_from_handle :: proc(f: ^File, allocator: runtime.Allocator) -> (string, Error) {
if f == nil {
return "", nil
@@ -159,7 +157,6 @@ _cleanpath_from_buf :: proc(buf: []u16, allocator: runtime.Allocator) -> (string
return win32.utf16_to_utf8(buf, allocator)
}
basename :: proc(name: string) -> (base: string) {
name := name
if len(name) > 3 && name[:3] == `\\?` {
@@ -185,83 +182,67 @@ basename :: proc(name: string) -> (base: string) {
return name
}
file_type_mode :: proc(h: win32.HANDLE) -> File_Mode {
file_type :: proc(h: win32.HANDLE) -> File_Type {
switch win32.GetFileType(h) {
case win32.FILE_TYPE_PIPE:
return File_Mode_Named_Pipe
case win32.FILE_TYPE_CHAR:
return File_Mode_Device | File_Mode_Char_Device
case win32.FILE_TYPE_PIPE: return .Named_Pipe
case win32.FILE_TYPE_CHAR: return .Character_Device
case win32.FILE_TYPE_DISK: return .Regular
}
return 0
return .Undetermined
}
_file_mode_from_file_attributes :: proc(file_attributes: win32.DWORD, h: win32.HANDLE, ReparseTag: win32.DWORD) -> (mode: File_Mode) {
_file_type_mode_from_file_attributes :: proc(file_attributes: win32.DWORD, h: win32.HANDLE, ReparseTag: win32.DWORD) -> (type: File_Type, mode: int) {
if file_attributes & win32.FILE_ATTRIBUTE_READONLY != 0 {
mode |= 0o444
} else {
mode |= 0o666
}
is_sym := false
if file_attributes & win32.FILE_ATTRIBUTE_REPARSE_POINT == 0 {
is_sym = false
} else {
is_sym = ReparseTag == win32.IO_REPARSE_TAG_SYMLINK || ReparseTag == win32.IO_REPARSE_TAG_MOUNT_POINT
}
if is_sym {
mode |= File_Mode_Sym_Link
type = .Symlink
} else {
if file_attributes & win32.FILE_ATTRIBUTE_DIRECTORY != 0 {
mode |= 0o111 | File_Mode_Dir
type = .Directory
mode |= 0o111
}
if h != nil {
mode |= file_type_mode(h)
type = file_type(h)
}
}
return
}
_file_info_from_win32_file_attribute_data :: proc(d: ^win32.WIN32_FILE_ATTRIBUTE_DATA, name: string, allocator: runtime.Allocator) -> (fi: File_Info, e: Error) {
fi.size = i64(d.nFileSizeHigh)<<32 + i64(d.nFileSizeLow)
fi.mode |= _file_mode_from_file_attributes(d.dwFileAttributes, nil, 0)
fi.is_directory = fi.mode & File_Mode_Dir != 0
type, mode := _file_type_mode_from_file_attributes(d.dwFileAttributes, nil, 0)
fi.type = type
fi.mode |= mode
fi.creation_time = time.unix(0, win32.FILETIME_as_unix_nanoseconds(d.ftCreationTime))
fi.modification_time = time.unix(0, win32.FILETIME_as_unix_nanoseconds(d.ftLastWriteTime))
fi.access_time = time.unix(0, win32.FILETIME_as_unix_nanoseconds(d.ftLastAccessTime))
fi.fullpath, e = full_path_from_name(name, allocator)
fi.name = basename(fi.fullpath)
return
}
_file_info_from_win32_find_data :: proc(d: ^win32.WIN32_FIND_DATAW, name: string, allocator: runtime.Allocator) -> (fi: File_Info, e: Error) {
fi.size = i64(d.nFileSizeHigh)<<32 + i64(d.nFileSizeLow)
fi.mode |= _file_mode_from_file_attributes(d.dwFileAttributes, nil, 0)
fi.is_directory = fi.mode & File_Mode_Dir != 0
type, mode := _file_type_mode_from_file_attributes(d.dwFileAttributes, nil, 0)
fi.type = type
fi.mode |= mode
fi.creation_time = time.unix(0, win32.FILETIME_as_unix_nanoseconds(d.ftCreationTime))
fi.modification_time = time.unix(0, win32.FILETIME_as_unix_nanoseconds(d.ftLastWriteTime))
fi.access_time = time.unix(0, win32.FILETIME_as_unix_nanoseconds(d.ftLastAccessTime))
fi.fullpath, e = full_path_from_name(name, allocator)
fi.name = basename(fi.fullpath)
return
}
_file_info_from_get_file_information_by_handle :: proc(path: string, h: win32.HANDLE, allocator: runtime.Allocator) -> (File_Info, Error) {
d: win32.BY_HANDLE_FILE_INFORMATION
if !win32.GetFileInformationByHandle(h, &d) {
@@ -278,25 +259,19 @@ _file_info_from_get_file_information_by_handle :: proc(path: string, h: win32.HA
// Indicate this is a symlink on FAT file systems
ti.ReparseTag = 0
}
fi: File_Info
fi.fullpath = path
fi.name = basename(path)
fi.size = i64(d.nFileSizeHigh)<<32 + i64(d.nFileSizeLow)
fi.mode |= _file_mode_from_file_attributes(ti.FileAttributes, h, ti.ReparseTag)
fi.is_directory = fi.mode & File_Mode_Dir != 0
type, mode := _file_type_mode_from_file_attributes(d.dwFileAttributes, nil, 0)
fi.type = type
fi.mode |= mode
fi.creation_time = time.unix(0, win32.FILETIME_as_unix_nanoseconds(d.ftCreationTime))
fi.modification_time = time.unix(0, win32.FILETIME_as_unix_nanoseconds(d.ftLastWriteTime))
fi.access_time = time.unix(0, win32.FILETIME_as_unix_nanoseconds(d.ftLastAccessTime))
return fi, nil
}
reserved_names := [?]string{
"CON", "PRN", "AUX", "NUL",
"COM1", "COM2", "COM3", "COM4", "COM5", "COM6", "COM7", "COM8", "COM9",
@@ -357,7 +332,6 @@ _volume_name_len :: proc(path: string) -> int {
return 0
}
_is_abs :: proc(path: string) -> bool {
if _is_reserved_name(path) {
return true