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//+private
package os2
import win32 "core:sys/windows"
import "base:runtime"
import "core:strings"
_Path_Separator :: '\\'
_Path_List_Separator :: ';'
_is_path_separator :: proc(c: byte) -> bool {
return c == '\\' || c == '/'
}
_mkdir :: proc(name: string, perm: File_Mode) -> Error {
if !win32.CreateDirectoryW(_fix_long_path(name), nil) {
return _get_platform_error()
}
return nil
}
_mkdir_all :: proc(path: string, perm: File_Mode) -> Error {
fix_root_directory :: proc(p: string) -> (s: string, allocated: bool, err: runtime.Allocator_Error) {
if len(p) == len(`\\?\c:`) {
if is_path_separator(p[0]) && is_path_separator(p[1]) && p[2] == '?' && is_path_separator(p[3]) && p[5] == ':' {
s = strings.concatenate({p, `\`}, _file_allocator()) or_return
allocated = true
return
}
}
return p, false, nil
}
dir, err := stat(path, _temp_allocator())
if err == nil {
if dir.is_directory {
return nil
}
return .Exist
}
i := len(path)
for i > 0 && is_path_separator(path[i-1]) {
i -= 1
}
j := i
for j > 0 && !is_path_separator(path[j-1]) {
j -= 1
}
if j > 1 {
new_path, allocated := fix_root_directory(path[:j-1]) or_return
defer if allocated {
delete(new_path, _file_allocator())
}
mkdir_all(new_path, perm) or_return
}
err = mkdir(path, perm)
if err != nil {
dir1, err1 := lstat(path, _temp_allocator())
if err1 == nil && dir1.is_directory {
return nil
}
return err
}
return nil
}
_remove_all :: proc(path: string) -> Error {
// TODO(bill): _remove_all for windows
return nil
}
_getwd :: proc(allocator: runtime.Allocator) -> (dir: string, err: Error) {
// TODO(bill)
return "", nil
}
_setwd :: proc(dir: string) -> (err: Error) {
// TODO(bill)
return nil
}
can_use_long_paths: bool
@(init)
init_long_path_support :: proc() {
// TODO(bill): init_long_path_support
// ADD THIS SHIT
// registry_path := win32.L(`Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FileSystem\LongPathsEnabled`)
can_use_long_paths = false
}
_fix_long_path_slice :: proc(path: string) -> []u16 {
return win32.utf8_to_utf16(_fix_long_path_internal(path))
}
_fix_long_path :: proc(path: string) -> win32.wstring {
return win32.utf8_to_wstring(_fix_long_path_internal(path))
}
_fix_long_path_internal :: proc(path: string) -> string {
if can_use_long_paths {
return path
}
// When using win32 to create a directory, the path
// cannot be too long that you cannot append an 8.3
// file name, because MAX_PATH is 260, 260-12 = 248
if len(path) < 248 {
return path
}
// UNC paths do not need to be modified
if len(path) >= 2 && path[:2] == `\\` {
return path
}
if !_is_abs(path) { // relative path
return path
}
PREFIX :: `\\?`
path_buf := make([]byte, len(PREFIX)+len(path)+1, _temp_allocator())
copy(path_buf, PREFIX)
n := len(path)
r, w := 0, len(PREFIX)
for r < n {
switch {
case is_path_separator(path[r]):
r += 1
case path[r] == '.' && (r+1 == n || is_path_separator(path[r+1])):
// \.\
r += 1
case r+1 < n && path[r] == '.' && path[r+1] == '.' && (r+2 == n || is_path_separator(path[r+2])):
// Skip \..\ paths
return path
case:
path_buf[w] = '\\'
w += 1
for r < n && !is_path_separator(path[r]) {
path_buf[w] = path[r]
r += 1
w += 1
}
}
}
// Root directories require a trailing \
if w == len(`\\?\c:`) {
path_buf[w] = '\\'
w += 1
}
return string(path_buf[:w])
}
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