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Start filling in the file_windows.odin procedures

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This commit is contained in:
gingerBill
2022-02-21 13:38:25 +00:00
parent 345032f804
commit 9c3cdc4620
10 changed files with 477 additions and 136 deletions
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core/os/os2/stat_windows.odin
+21 -27
View File
@@ -4,9 +4,9 @@ package os2
import "core:time"
import win32 "core:sys/windows"
_fstat :: proc(fd: Handle, allocator := context.allocator) -> (File_Info, Maybe(Path_Error)) {
_fstat :: proc(fd: Handle, allocator := context.allocator) -> (File_Info, Error) {
if fd == 0 {
return {}, Path_Error{err = .Invalid_Argument}
return {}, .Invalid_Argument
}
context.allocator = allocator
@@ -27,10 +27,10 @@ _fstat :: proc(fd: Handle, allocator := context.allocator) -> (File_Info, Maybe(
return _file_info_from_get_file_information_by_handle(path, h)
}
_stat :: proc(name: string, allocator := context.allocator) -> (File_Info, Maybe(Path_Error)) {
_stat :: proc(name: string, allocator := context.allocator) -> (File_Info, Error) {
return internal_stat(name, win32.FILE_FLAG_BACKUP_SEMANTICS)
}
_lstat :: proc(name: string, allocator := context.allocator) -> (File_Info, Maybe(Path_Error)) {
_lstat :: proc(name: string, allocator := context.allocator) -> (File_Info, Error) {
return internal_stat(name, win32.FILE_FLAG_BACKUP_SEMANTICS|win32.FILE_FLAG_OPEN_REPARSE_POINT)
}
_same_file :: proc(fi1, fi2: File_Info) -> bool {
@@ -38,13 +38,7 @@ _same_file :: proc(fi1, fi2: File_Info) -> bool {
}
_stat_errno :: proc(errno: win32.DWORD) -> Path_Error {
return Path_Error{err = Platform_Error{i32(errno)}}
}
full_path_from_name :: proc(name: string, allocator := context.allocator) -> (path: string, err: Maybe(Path_Error)) {
full_path_from_name :: proc(name: string, allocator := context.allocator) -> (path: string, err: Error) {
context.allocator = allocator
name := name
@@ -57,7 +51,7 @@ full_path_from_name :: proc(name: string, allocator := context.allocator) -> (pa
n := win32.GetFullPathNameW(raw_data(p), u32(len(buf)), raw_data(buf), nil)
if n == 0 {
delete(buf)
return "", _stat_errno(win32.GetLastError())
return "", _get_platform_error()
}
if n <= u32(len(buf)) {
return win32.utf16_to_utf8(buf[:n]), nil
@@ -69,9 +63,9 @@ full_path_from_name :: proc(name: string, allocator := context.allocator) -> (pa
}
internal_stat :: proc(name: string, create_file_attributes: u32, allocator := context.allocator) -> (fi: File_Info, e: Maybe(Path_Error)) {
internal_stat :: proc(name: string, create_file_attributes: u32, allocator := context.allocator) -> (fi: File_Info, e: Error) {
if len(name) == 0 {
return {}, Path_Error{err = .Not_Exist}
return {}, .Not_Exist
}
context.allocator = allocator
@@ -91,7 +85,7 @@ internal_stat :: proc(name: string, create_file_attributes: u32, allocator := co
fd: win32.WIN32_FIND_DATAW
sh := win32.FindFirstFileW(wname, &fd)
if sh == win32.INVALID_HANDLE_VALUE {
e = Path_Error{err = Platform_Error{i32(win32.GetLastError())}}
e = _get_platform_error()
return
}
win32.FindClose(sh)
@@ -101,7 +95,7 @@ internal_stat :: proc(name: string, create_file_attributes: u32, allocator := co
h := win32.CreateFileW(wname, 0, 0, nil, win32.OPEN_EXISTING, create_file_attributes, nil)
if h == win32.INVALID_HANDLE_VALUE {
e = Path_Error{err = Platform_Error{i32(win32.GetLastError())}}
e = _get_platform_error()
return
}
defer win32.CloseHandle(h)
@@ -130,9 +124,9 @@ _cleanpath_strip_prefix :: proc(buf: []u16) -> []u16 {
}
_cleanpath_from_handle :: proc(fd: Handle) -> (string, Maybe(Path_Error)) {
_cleanpath_from_handle :: proc(fd: Handle) -> (string, Error) {
if fd == 0 {
return "", Path_Error{err = .Invalid_Argument}
return "", .Invalid_Argument
}
h := win32.HANDLE(fd)
@@ -143,7 +137,7 @@ _cleanpath_from_handle :: proc(fd: Handle) -> (string, Maybe(Path_Error)) {
err := win32.GetFinalPathNameByHandleW(h, raw_data(buf), MAX_PATH, 0)
switch err {
case win32.ERROR_PATH_NOT_FOUND, win32.ERROR_INVALID_PARAMETER:
return "", _stat_errno(err)
return "", Platform_Error{i32(err)}
case win32.ERROR_NOT_ENOUGH_MEMORY:
MAX_PATH = MAX_PATH*2 + 1
continue
@@ -153,9 +147,9 @@ _cleanpath_from_handle :: proc(fd: Handle) -> (string, Maybe(Path_Error)) {
return _cleanpath_from_buf(buf), nil
}
_cleanpath_from_handle_u16 :: proc(fd: Handle) -> ([]u16, Maybe(Path_Error)) {
_cleanpath_from_handle_u16 :: proc(fd: Handle) -> ([]u16, Error) {
if fd == 0 {
return nil, Path_Error{err = .Invalid_Argument}
return nil, .Invalid_Argument
}
h := win32.HANDLE(fd)
@@ -166,7 +160,7 @@ _cleanpath_from_handle_u16 :: proc(fd: Handle) -> ([]u16, Maybe(Path_Error)) {
err := win32.GetFinalPathNameByHandleW(h, raw_data(buf), MAX_PATH, 0)
switch err {
case win32.ERROR_PATH_NOT_FOUND, win32.ERROR_INVALID_PARAMETER:
return nil, _stat_errno(err)
return nil, Platform_Error{i32(err)}
case win32.ERROR_NOT_ENOUGH_MEMORY:
MAX_PATH = MAX_PATH*2 + 1
continue
@@ -251,7 +245,7 @@ _file_mode_from_file_attributes :: proc(FileAttributes: win32.DWORD, h: win32.HA
}
_file_info_from_win32_file_attribute_data :: proc(d: ^win32.WIN32_FILE_ATTRIBUTE_DATA, name: string) -> (fi: File_Info, e: Maybe(Path_Error)) {
_file_info_from_win32_file_attribute_data :: proc(d: ^win32.WIN32_FILE_ATTRIBUTE_DATA, name: string) -> (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)
@@ -268,7 +262,7 @@ _file_info_from_win32_file_attribute_data :: proc(d: ^win32.WIN32_FILE_ATTRIBUTE
}
_file_info_from_win32_find_data :: proc(d: ^win32.WIN32_FIND_DATAW, name: string) -> (fi: File_Info, e: Maybe(Path_Error)) {
_file_info_from_win32_find_data :: proc(d: ^win32.WIN32_FIND_DATAW, name: string) -> (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)
@@ -285,10 +279,10 @@ _file_info_from_win32_find_data :: proc(d: ^win32.WIN32_FIND_DATAW, name: string
}
_file_info_from_get_file_information_by_handle :: proc(path: string, h: win32.HANDLE) -> (File_Info, Maybe(Path_Error)) {
_file_info_from_get_file_information_by_handle :: proc(path: string, h: win32.HANDLE) -> (File_Info, Error) {
d: win32.BY_HANDLE_FILE_INFORMATION
if !win32.GetFileInformationByHandle(h, &d) {
return {}, _stat_errno(win32.GetLastError())
return {}, _get_platform_error()
}
@@ -296,7 +290,7 @@ _file_info_from_get_file_information_by_handle :: proc(path: string, h: win32.HA
if !win32.GetFileInformationByHandleEx(h, .FileAttributeTagInfo, &ti, size_of(ti)) {
err := win32.GetLastError()
if err != win32.ERROR_INVALID_PARAMETER {
return {}, _stat_errno(err)
return {}, Platform_Error{i32(err)}
}
// Indicate this is a symlink on FAT file systems
ti.ReparseTag = 0