feature. See also
. The project being documented here (as the example) is the Zig library itself.
Threaded.dirRenamePreserveLinux
fn dirRenamePreserveLinux(
old_dir: Dir,
old_sub_path: []const u8,
new_dir: Dir,
new_sub_path: []const u8,
) Dir.RenamePreserveError!void
File
Code
fn dirRenamePreserveLinux(
old_dir: Dir,
old_sub_path: []const u8,
new_dir: Dir,
new_sub_path: []const u8,
) Dir.RenamePreserveError!void {
const linux = std.os.linux;
var old_path_buffer: [linux.PATH_MAX]u8 = undefined;
var new_path_buffer: [linux.PATH_MAX]u8 = undefined;
const old_sub_path_posix = try pathToPosix(old_sub_path, &old_path_buffer);
const new_sub_path_posix = try pathToPosix(new_sub_path, &new_path_buffer);
const syscall: Syscall = try .start();
while (true) switch (linux.errno(linux.renameat2(
old_dir.handle,
old_sub_path_posix,
new_dir.handle,
new_sub_path_posix,
.{ .NOREPLACE = true },
))) {
.SUCCESS => return syscall.finish(),
.INTR => {
try syscall.checkCancel();
continue;
},
.ACCES => return syscall.fail(error.AccessDenied),
.PERM => return syscall.fail(error.PermissionDenied),
.BUSY => return syscall.fail(error.FileBusy),
.DQUOT => return syscall.fail(error.DiskQuota),
.ISDIR => return syscall.fail(error.IsDir),
.LOOP => return syscall.fail(error.SymLinkLoop),
.MLINK => return syscall.fail(error.LinkQuotaExceeded),
.NAMETOOLONG => return syscall.fail(error.NameTooLong),
.NOENT => return syscall.fail(error.FileNotFound),
.NOTDIR => return syscall.fail(error.NotDir),
.NOMEM => return syscall.fail(error.SystemResources),
.NOSPC => return syscall.fail(error.NoSpaceLeft),
.EXIST => return syscall.fail(error.PathAlreadyExists),
.NOTEMPTY => return syscall.fail(error.DirNotEmpty),
.ROFS => return syscall.fail(error.ReadOnlyFileSystem),
.XDEV => return syscall.fail(error.CrossDevice),
.ILSEQ => return syscall.fail(error.BadPathName),
.FAULT => |err| return syscall.errnoBug(err),
.INVAL => |err| return syscall.errnoBug(err),
else => |err| return syscall.unexpectedErrno(err),
};
}