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Map ENOTCAPABLE into error.AccessDenied instead of error.NotCapable

Browse Source 
This is direct result of review comments left by andrewrk and
daurnimator. It makes sense to map `ENOTCAPABLE` into a more generic
`error.AccessDenied`.
This commit is contained in:
Jakub Konka 2020-06-30 18:18:25 +02:00
parent 5bc99dd7e8
commit 8306826d53
6 changed files with 69 additions and 114 deletions
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1
lib/std/child_process.zig
View File

@ -364,7 +364,6 @@ pub const ChildProcess = struct {
error.FileTooBig => unreachable, error.FileTooBig => unreachable,
error.DeviceBusy => unreachable, error.DeviceBusy => unreachable,
error.FileLocksNotSupported => unreachable, error.FileLocksNotSupported => unreachable,
error.NotCapable => unreachable, // until WASI comes up with multi-processing (if ever)
else => |e| return e, else => |e| return e,
} }
else else

2
lib/std/elf.zig
View File

@ -551,7 +551,7 @@ fn preadNoEof(file: std.fs.File, buf: []u8, offset: u64) !void {
error.InputOutput => return error.FileSystem, error.InputOutput => return error.FileSystem,
error.Unexpected => return error.Unexpected, error.Unexpected => return error.Unexpected,
error.WouldBlock => return error.Unexpected, error.WouldBlock => return error.Unexpected,
error.NotCapable => unreachable, // NotCapable mainly pertains WASI target so it's a bug if we hit it here error.AccessDenied => return error.Unexpected,
}; };
if (len == 0) return error.UnexpectedEndOfFile; if (len == 0) return error.UnexpectedEndOfFile;
i += len; i += len;

21
lib/std/fs.zig
View File

@ -264,13 +264,7 @@ pub const Dir = struct {
pub const Kind = File.Kind; pub const Kind = File.Kind;
}; };
const IteratorError = error{ const IteratorError = error{AccessDenied} || os.UnexpectedError;
AccessDenied,
/// WASI-only. This error occurs when the underlying `Dir` file descriptor does
/// not hold the required rights to call `fd_readdir` on it.
NotCapable,
} || os.UnexpectedError;
pub const Iterator = switch (builtin.os.tag) { pub const Iterator = switch (builtin.os.tag) {
.macosx, .ios, .freebsd, .netbsd, .dragonfly => struct { .macosx, .ios, .freebsd, .netbsd, .dragonfly => struct {
@ -541,7 +535,7 @@ pub const Dir = struct {
w.EFAULT => unreachable, w.EFAULT => unreachable,
w.ENOTDIR => unreachable, w.ENOTDIR => unreachable,
w.EINVAL => unreachable, w.EINVAL => unreachable,
w.ENOTCAPABLE => return error.NotCapable, w.ENOTCAPABLE => return error.AccessDenied,
else => |err| return os.unexpectedErrno(err), else => |err| return os.unexpectedErrno(err),
} }
if (bufused == 0) return null; if (bufused == 0) return null;
@ -628,7 +622,6 @@ pub const Dir = struct {
InvalidUtf8, InvalidUtf8,
BadPathName, BadPathName,
DeviceBusy, DeviceBusy,
NotCapable,
} || os.UnexpectedError; } || os.UnexpectedError;
pub fn close(self: *Dir) void { pub fn close(self: *Dir) void {
@ -1113,7 +1106,7 @@ pub const Dir = struct {
} }
} }
pub const DeleteFileError = os.UnlinkatError; pub const DeleteFileError = os.UnlinkError;
/// Delete a file name and possibly the file it refers to, based on an open directory handle. /// Delete a file name and possibly the file it refers to, based on an open directory handle.
/// Asserts that the path parameter has no null bytes. /// Asserts that the path parameter has no null bytes.
@ -1155,7 +1148,6 @@ pub const Dir = struct {
ReadOnlyFileSystem, ReadOnlyFileSystem,
InvalidUtf8, InvalidUtf8,
BadPathName, BadPathName,
NotCapable,
Unexpected, Unexpected,
}; };
@ -1258,7 +1250,6 @@ pub const Dir = struct {
/// On Windows, file paths cannot contain these characters: /// On Windows, file paths cannot contain these characters:
/// '/', '*', '?', '"', '<', '>', '|' /// '/', '*', '?', '"', '<', '>', '|'
BadPathName, BadPathName,
NotCapable,
} || os.UnexpectedError; } || os.UnexpectedError;
/// Whether `full_path` describes a symlink, file, or directory, this function /// Whether `full_path` describes a symlink, file, or directory, this function
@ -1272,7 +1263,6 @@ pub const Dir = struct {
if (self.deleteFile(sub_path)) { if (self.deleteFile(sub_path)) {
return; return;
} else |err| switch (err) { } else |err| switch (err) {
error.DirNotEmpty => unreachable,
error.FileNotFound => return, error.FileNotFound => return,
error.IsDir => {}, error.IsDir => {},
error.AccessDenied => got_access_denied = true, error.AccessDenied => got_access_denied = true,
@ -1287,7 +1277,6 @@ pub const Dir = struct {
error.FileBusy, error.FileBusy,
error.BadPathName, error.BadPathName,
error.Unexpected, error.Unexpected,
error.NotCapable,
=> |e| return e, => |e| return e,
} }
var dir = self.openDir(sub_path, .{ .iterate = true }) catch |err| switch (err) { var dir = self.openDir(sub_path, .{ .iterate = true }) catch |err| switch (err) {
@ -1313,7 +1302,6 @@ pub const Dir = struct {
error.InvalidUtf8, error.InvalidUtf8,
error.BadPathName, error.BadPathName,
error.DeviceBusy, error.DeviceBusy,
error.NotCapable,
=> |e| return e, => |e| return e,
}; };
var cleanup_dir_parent: ?Dir = null; var cleanup_dir_parent: ?Dir = null;
@ -1342,7 +1330,6 @@ pub const Dir = struct {
// Impossible because we do not pass any path separators. // Impossible because we do not pass any path separators.
error.NotDir => unreachable, error.NotDir => unreachable,
error.DirNotEmpty => unreachable,
error.IsDir => {}, error.IsDir => {},
error.AccessDenied => got_access_denied = true, error.AccessDenied => got_access_denied = true,
@ -1356,7 +1343,6 @@ pub const Dir = struct {
error.FileBusy, error.FileBusy,
error.BadPathName, error.BadPathName,
error.Unexpected, error.Unexpected,
error.NotCapable,
=> |e| return e, => |e| return e,
} }
@ -1383,7 +1369,6 @@ pub const Dir = struct {
error.InvalidUtf8, error.InvalidUtf8,
error.BadPathName, error.BadPathName,
error.DeviceBusy, error.DeviceBusy,
error.NotCapable,
=> |e| return e, => |e| return e,
}; };
if (cleanup_dir_parent) |*d| d.close(); if (cleanup_dir_parent) |*d| d.close();

151
lib/std/os.zig
View File

@ -301,9 +301,9 @@ pub const ReadError = error{
/// and reading from the file descriptor would block. /// and reading from the file descriptor would block.
WouldBlock, WouldBlock,
/// WASI-only. This error occurs when the file descriptor does /// In WASI, this error occurs when the file descriptor does
/// not hold the required rights to read from it. /// not hold the required rights to read from it.
NotCapable, AccessDenied,
} || UnexpectedError; } || UnexpectedError;
/// Returns the number of bytes that were read, which can be less than /// Returns the number of bytes that were read, which can be less than
@ -339,7 +339,7 @@ pub fn read(fd: fd_t, buf: []u8) ReadError!usize {
wasi.ENOMEM => return error.SystemResources, wasi.ENOMEM => return error.SystemResources,
wasi.ECONNRESET => return error.ConnectionResetByPeer, wasi.ECONNRESET => return error.ConnectionResetByPeer,
wasi.ETIMEDOUT => return error.ConnectionTimedOut, wasi.ETIMEDOUT => return error.ConnectionTimedOut,
wasi.ENOTCAPABLE => return error.NotCapable, wasi.ENOTCAPABLE => return error.AccessDenied,
else => |err| return unexpectedErrno(err), else => |err| return unexpectedErrno(err),
} }
} }
@ -407,7 +407,7 @@ pub fn readv(fd: fd_t, iov: []const iovec) ReadError!usize {
wasi.EISDIR => return error.IsDir, wasi.EISDIR => return error.IsDir,
wasi.ENOBUFS => return error.SystemResources, wasi.ENOBUFS => return error.SystemResources,
wasi.ENOMEM => return error.SystemResources, wasi.ENOMEM => return error.SystemResources,
wasi.ENOTCAPABLE => return error.NotCapable, wasi.ENOTCAPABLE => return error.AccessDenied,
else => |err| return unexpectedErrno(err), else => |err| return unexpectedErrno(err),
} }
} }
@ -472,7 +472,7 @@ pub fn pread(fd: fd_t, buf: []u8, offset: u64) PReadError!usize {
wasi.ENXIO => return error.Unseekable, wasi.ENXIO => return error.Unseekable,
wasi.ESPIPE => return error.Unseekable, wasi.ESPIPE => return error.Unseekable,
wasi.EOVERFLOW => return error.Unseekable, wasi.EOVERFLOW => return error.Unseekable,
wasi.ENOTCAPABLE => return error.NotCapable, wasi.ENOTCAPABLE => return error.AccessDenied,
else => |err| return unexpectedErrno(err), else => |err| return unexpectedErrno(err),
} }
} }
@ -507,12 +507,11 @@ pub fn pread(fd: fd_t, buf: []u8, offset: u64) PReadError!usize {
pub const TruncateError = error{ pub const TruncateError = error{
FileTooBig, FileTooBig,
InputOutput, InputOutput,
CannotTruncate,
FileBusy, FileBusy,
/// WASI-only. This error occurs when the file descriptor does /// In WASI, this error occurs when the file descriptor does
/// not hold the required rights to call `ftruncate` on it. /// not hold the required rights to call `ftruncate` on it.
NotCapable, AccessDenied,
} || UnexpectedError; } || UnexpectedError;
pub fn ftruncate(fd: fd_t, length: u64) TruncateError!void { pub fn ftruncate(fd: fd_t, length: u64) TruncateError!void {
@ -533,7 +532,7 @@ pub fn ftruncate(fd: fd_t, length: u64) TruncateError!void {
switch (rc) { switch (rc) {
.SUCCESS => return, .SUCCESS => return,
.INVALID_HANDLE => unreachable, // Handle not open for writing .INVALID_HANDLE => unreachable, // Handle not open for writing
.ACCESS_DENIED => return error.CannotTruncate, .ACCESS_DENIED => return error.AccessDenied,
else => return windows.unexpectedStatus(rc), else => return windows.unexpectedStatus(rc),
} }
} }
@ -543,11 +542,11 @@ pub fn ftruncate(fd: fd_t, length: u64) TruncateError!void {
wasi.EINTR => unreachable, wasi.EINTR => unreachable,
wasi.EFBIG => return error.FileTooBig, wasi.EFBIG => return error.FileTooBig,
wasi.EIO => return error.InputOutput, wasi.EIO => return error.InputOutput,
wasi.EPERM => return error.CannotTruncate, wasi.EPERM => return error.AccessDenied,
wasi.ETXTBSY => return error.FileBusy, wasi.ETXTBSY => return error.FileBusy,
wasi.EBADF => unreachable, // Handle not open for writing wasi.EBADF => unreachable, // Handle not open for writing
wasi.EINVAL => unreachable, // Handle not open for writing wasi.EINVAL => unreachable, // Handle not open for writing
wasi.ENOTCAPABLE => return error.NotCapable, wasi.ENOTCAPABLE => return error.AccessDenied,
else => |err| return unexpectedErrno(err), else => |err| return unexpectedErrno(err),
} }
} }
@ -566,7 +565,7 @@ pub fn ftruncate(fd: fd_t, length: u64) TruncateError!void {
EINTR => continue, EINTR => continue,
EFBIG => return error.FileTooBig, EFBIG => return error.FileTooBig,
EIO => return error.InputOutput, EIO => return error.InputOutput,
EPERM => return error.CannotTruncate, EPERM => return error.AccessDenied,
ETXTBSY => return error.FileBusy, ETXTBSY => return error.FileBusy,
EBADF => unreachable, // Handle not open for writing EBADF => unreachable, // Handle not open for writing
EINVAL => unreachable, // Handle not open for writing EINVAL => unreachable, // Handle not open for writing
@ -616,7 +615,7 @@ pub fn preadv(fd: fd_t, iov: []const iovec, offset: u64) PReadError!usize {
wasi.ENXIO => return error.Unseekable, wasi.ENXIO => return error.Unseekable,
wasi.ESPIPE => return error.Unseekable, wasi.ESPIPE => return error.Unseekable,
wasi.EOVERFLOW => return error.Unseekable, wasi.EOVERFLOW => return error.Unseekable,
wasi.ENOTCAPABLE => return error.NotCapable, wasi.ENOTCAPABLE => return error.AccessDenied,
else => |err| return unexpectedErrno(err), else => |err| return unexpectedErrno(err),
} }
} }
@ -654,6 +653,9 @@ pub const WriteError = error{
FileTooBig, FileTooBig,
InputOutput, InputOutput,
NoSpaceLeft, NoSpaceLeft,
/// In WASI, this error may occur when the file descriptor does
/// not hold the required rights to write to it.
AccessDenied, AccessDenied,
BrokenPipe, BrokenPipe,
SystemResources, SystemResources,
@ -662,10 +664,6 @@ pub const WriteError = error{
/// This error occurs when no global event loop is configured, /// This error occurs when no global event loop is configured,
/// and reading from the file descriptor would block. /// and reading from the file descriptor would block.
WouldBlock, WouldBlock,
/// WASI-only. This error occurs when the file descriptor does
/// not hold the required rights to write to it.
NotCapable,
} || UnexpectedError; } || UnexpectedError;
/// Write to a file descriptor. /// Write to a file descriptor.
@ -714,7 +712,7 @@ pub fn write(fd: fd_t, bytes: []const u8) WriteError!usize {
wasi.ENOSPC => return error.NoSpaceLeft, wasi.ENOSPC => return error.NoSpaceLeft,
wasi.EPERM => return error.AccessDenied, wasi.EPERM => return error.AccessDenied,
wasi.EPIPE => return error.BrokenPipe, wasi.EPIPE => return error.BrokenPipe,
wasi.ENOTCAPABLE => return error.NotCapable, wasi.ENOTCAPABLE => return error.AccessDenied,
else => |err| return unexpectedErrno(err), else => |err| return unexpectedErrno(err),
} }
} }
@ -792,7 +790,7 @@ pub fn writev(fd: fd_t, iov: []const iovec_const) WriteError!usize {
wasi.ENOSPC => return error.NoSpaceLeft, wasi.ENOSPC => return error.NoSpaceLeft,
wasi.EPERM => return error.AccessDenied, wasi.EPERM => return error.AccessDenied,
wasi.EPIPE => return error.BrokenPipe, wasi.EPIPE => return error.BrokenPipe,
wasi.ENOTCAPABLE => return error.NotCapable, wasi.ENOTCAPABLE => return error.AccessDenied,
else => |err| return unexpectedErrno(err), else => |err| return unexpectedErrno(err),
} }
} }
@ -875,7 +873,7 @@ pub fn pwrite(fd: fd_t, bytes: []const u8, offset: u64) PWriteError!usize {
wasi.ENXIO => return error.Unseekable, wasi.ENXIO => return error.Unseekable,
wasi.ESPIPE => return error.Unseekable, wasi.ESPIPE => return error.Unseekable,
wasi.EOVERFLOW => return error.Unseekable, wasi.EOVERFLOW => return error.Unseekable,
wasi.ENOTCAPABLE => return error.NotCapable, wasi.ENOTCAPABLE => return error.AccessDenied,
else => |err| return unexpectedErrno(err), else => |err| return unexpectedErrno(err),
} }
} }
@ -969,7 +967,7 @@ pub fn pwritev(fd: fd_t, iov: []const iovec_const, offset: u64) PWriteError!usiz
wasi.ENXIO => return error.Unseekable, wasi.ENXIO => return error.Unseekable,
wasi.ESPIPE => return error.Unseekable, wasi.ESPIPE => return error.Unseekable,
wasi.EOVERFLOW => return error.Unseekable, wasi.EOVERFLOW => return error.Unseekable,
wasi.ENOTCAPABLE => return error.NotCapable, wasi.ENOTCAPABLE => return error.AccessDenied,
else => |err| return unexpectedErrno(err), else => |err| return unexpectedErrno(err),
} }
} }
@ -1005,6 +1003,8 @@ pub fn pwritev(fd: fd_t, iov: []const iovec_const, offset: u64) PWriteError!usiz
} }
pub const OpenError = error{ pub const OpenError = error{
/// In WASI, this error may occur when the file descriptor does
/// not hold the required rights to open a new resource relative to it.
AccessDenied, AccessDenied,
SymLinkLoop, SymLinkLoop,
ProcessFdQuotaExceeded, ProcessFdQuotaExceeded,
@ -1041,10 +1041,6 @@ pub const OpenError = error{
/// The underlying filesystem does not support file locks /// The underlying filesystem does not support file locks
FileLocksNotSupported, FileLocksNotSupported,
/// WASI-only. This error occurs when the file descriptor does
/// not hold the required rights to open a new resource relative to it.
NotCapable,
} || UnexpectedError; } || UnexpectedError;
/// Open and possibly create a file. Keeps trying if it gets interrupted. /// Open and possibly create a file. Keeps trying if it gets interrupted.
@ -1138,7 +1134,7 @@ pub fn openatWasi(dir_fd: fd_t, file_path: []const u8, oflags: oflags_t, fdflags
wasi.EPERM => return error.AccessDenied, wasi.EPERM => return error.AccessDenied,
wasi.EEXIST => return error.PathAlreadyExists, wasi.EEXIST => return error.PathAlreadyExists,
wasi.EBUSY => return error.DeviceBusy, wasi.EBUSY => return error.DeviceBusy,
wasi.ENOTCAPABLE => return error.NotCapable, wasi.ENOTCAPABLE => return error.AccessDenied,
else => |err| return unexpectedErrno(err), else => |err| return unexpectedErrno(err),
} }
} }
@ -1525,6 +1521,8 @@ pub fn getcwd(out_buffer: []u8) GetCwdError![]u8 {
} }
pub const SymLinkError = error{ pub const SymLinkError = error{
/// In WASI, this error may occur when the file descriptor does
/// not hold the required rights to create a new symbolic link relative to it.
AccessDenied, AccessDenied,
DiskQuota, DiskQuota,
PathAlreadyExists, PathAlreadyExists,
@ -1589,19 +1587,13 @@ pub fn symlinkZ(target_path: [*:0]const u8, sym_link_path: [*:0]const u8) SymLin
} }
} }
pub const SymLinkAtError = error{
/// WASI-only. This error occurs when the file descriptor does
/// not hold the required rights to create a new symbolic link relative to it.
NotCapable,
} || SymLinkError;
/// Similar to `symlink`, however, creates a symbolic link named `sym_link_path` which contains the string /// Similar to `symlink`, however, creates a symbolic link named `sym_link_path` which contains the string
/// `target_path` **relative** to `newdirfd` directory handle. /// `target_path` **relative** to `newdirfd` directory handle.
/// A symbolic link (also known as a soft link) may point to an existing file or to a nonexistent /// A symbolic link (also known as a soft link) may point to an existing file or to a nonexistent
/// one; the latter case is known as a dangling link. /// one; the latter case is known as a dangling link.
/// If `sym_link_path` exists, it will not be overwritten. /// If `sym_link_path` exists, it will not be overwritten.
/// See also `symlinkatWasi`, `symlinkatZ` and `symlinkatW`. /// See also `symlinkatWasi`, `symlinkatZ` and `symlinkatW`.
pub fn symlinkat(target_path: []const u8, newdirfd: fd_t, sym_link_path: []const u8) SymLinkAtError!void { pub fn symlinkat(target_path: []const u8, newdirfd: fd_t, sym_link_path: []const u8) SymLinkError!void {
if (builtin.os.tag == .wasi) { if (builtin.os.tag == .wasi) {
return symlinkatWasi(target_path, newdirfd, sym_link_path); return symlinkatWasi(target_path, newdirfd, sym_link_path);
} }
@ -1619,7 +1611,7 @@ pub const symlinkatC = @compileError("deprecated: renamed to symlinkatZ");
/// WASI-only. The same as `symlinkat` but targeting WASI. /// WASI-only. The same as `symlinkat` but targeting WASI.
/// See also `symlinkat`. /// See also `symlinkat`.
pub fn symlinkatWasi(target_path: []const u8, newdirfd: fd_t, sym_link_path: []const u8) SymLinkAtError!void { pub fn symlinkatWasi(target_path: []const u8, newdirfd: fd_t, sym_link_path: []const u8) SymLinkError!void {
switch (wasi.path_symlink(target_path.ptr, target_path.len, newdirfd, sym_link_path.ptr, sym_link_path.len)) { switch (wasi.path_symlink(target_path.ptr, target_path.len, newdirfd, sym_link_path.ptr, sym_link_path.len)) {
wasi.ESUCCESS => {}, wasi.ESUCCESS => {},
wasi.EFAULT => unreachable, wasi.EFAULT => unreachable,
@ -1636,20 +1628,20 @@ pub fn symlinkatWasi(target_path: []const u8, newdirfd: fd_t, sym_link_path: []c
wasi.ENOMEM => return error.SystemResources, wasi.ENOMEM => return error.SystemResources,
wasi.ENOSPC => return error.NoSpaceLeft, wasi.ENOSPC => return error.NoSpaceLeft,
wasi.EROFS => return error.ReadOnlyFileSystem, wasi.EROFS => return error.ReadOnlyFileSystem,
wasi.ENOTCAPABLE => return error.NotCapable, wasi.ENOTCAPABLE => return error.AccessDenied,
else => |err| return unexpectedErrno(err), else => |err| return unexpectedErrno(err),
} }
} }
/// Windows-only. The same as `symlinkat` except the paths are null-terminated, WTF-16 encoded. /// Windows-only. The same as `symlinkat` except the paths are null-terminated, WTF-16 encoded.
/// See also `symlinkat`. /// See also `symlinkat`.
pub fn symlinkatW(target_path: [*:0]const u16, newdirfd: fd_t, sym_link_path: [*:0]const u16) SymLinkAtError!void { pub fn symlinkatW(target_path: [*:0]const u16, newdirfd: fd_t, sym_link_path: [*:0]const u16) SymLinkError!void {
@compileError("TODO implement on Windows"); @compileError("TODO implement on Windows");
} }
/// The same as `symlinkat` except the parameters are null-terminated pointers. /// The same as `symlinkat` except the parameters are null-terminated pointers.
/// See also `symlinkat`. /// See also `symlinkat`.
pub fn symlinkatZ(target_path: [*:0]const u8, newdirfd: fd_t, sym_link_path: [*:0]const u8) SymLinkAtError!void { pub fn symlinkatZ(target_path: [*:0]const u8, newdirfd: fd_t, sym_link_path: [*:0]const u8) SymLinkError!void {
if (builtin.os.tag == .windows) { if (builtin.os.tag == .windows) {
const target_path_w = try windows.cStrToPrefixedFileW(target_path); const target_path_w = try windows.cStrToPrefixedFileW(target_path);
const sym_link_path_w = try windows.cStrToPrefixedFileW(sym_link_path); const sym_link_path_w = try windows.cStrToPrefixedFileW(sym_link_path);
@ -1677,6 +1669,9 @@ pub fn symlinkatZ(target_path: [*:0]const u8, newdirfd: fd_t, sym_link_path: [*:
pub const UnlinkError = error{ pub const UnlinkError = error{
FileNotFound, FileNotFound,
/// In WASI, this error may occur when the file descriptor does
/// not hold the required rights to unlink a resource by path relative to it.
AccessDenied, AccessDenied,
FileBusy, FileBusy,
FileSystem, FileSystem,
@ -1739,10 +1734,6 @@ pub fn unlinkZ(file_path: [*:0]const u8) UnlinkError!void {
pub const UnlinkatError = UnlinkError || error{ pub const UnlinkatError = UnlinkError || error{
/// When passing `AT_REMOVEDIR`, this error occurs when the named directory is not empty. /// When passing `AT_REMOVEDIR`, this error occurs when the named directory is not empty.
DirNotEmpty, DirNotEmpty,
/// WASI-only. This error occurs when the file descriptor does
/// not hold the required rights to unlink a resource by path relative to it.
NotCapable,
}; };
/// Delete a file name and possibly the file it refers to, based on an open directory handle. /// Delete a file name and possibly the file it refers to, based on an open directory handle.
@ -1784,7 +1775,7 @@ pub fn unlinkatWasi(dirfd: fd_t, file_path: []const u8, flags: u32) UnlinkatErro
wasi.ENOMEM => return error.SystemResources, wasi.ENOMEM => return error.SystemResources,
wasi.EROFS => return error.ReadOnlyFileSystem, wasi.EROFS => return error.ReadOnlyFileSystem,
wasi.ENOTEMPTY => return error.DirNotEmpty, wasi.ENOTEMPTY => return error.DirNotEmpty,
wasi.ENOTCAPABLE => return error.NotCapable, wasi.ENOTCAPABLE => return error.AccessDenied,
wasi.EINVAL => unreachable, // invalid flags, or pathname has . as last component wasi.EINVAL => unreachable, // invalid flags, or pathname has . as last component
wasi.EBADF => unreachable, // always a race condition wasi.EBADF => unreachable, // always a race condition
@ -1887,6 +1878,8 @@ pub fn unlinkatW(dirfd: fd_t, sub_path_w: [*:0]const u16, flags: u32) UnlinkatEr
} }
const RenameError = error{ const RenameError = error{
/// In WASI, this error may occur when the file descriptor does
/// not hold the required rights to rename a resource by path relative to it.
AccessDenied, AccessDenied,
FileBusy, FileBusy,
DiskQuota, DiskQuota,
@ -1963,19 +1956,13 @@ pub fn renameW(old_path: [*:0]const u16, new_path: [*:0]const u16) RenameError!v
return windows.MoveFileExW(old_path, new_path, flags); return windows.MoveFileExW(old_path, new_path, flags);
} }
pub const RenameatError = error{
/// WASI-only. This error occurs when the file descriptor does
/// not hold the required rights to rename a resource by path relative to it.
NotCapable,
} || RenameError;
/// Change the name or location of a file based on an open directory handle. /// Change the name or location of a file based on an open directory handle.
pub fn renameat( pub fn renameat(
old_dir_fd: fd_t, old_dir_fd: fd_t,
old_path: []const u8, old_path: []const u8,
new_dir_fd: fd_t, new_dir_fd: fd_t,
new_path: []const u8, new_path: []const u8,
) RenameatError!void { ) RenameError!void {
if (builtin.os.tag == .windows) { if (builtin.os.tag == .windows) {
const old_path_w = try windows.sliceToPrefixedFileW(old_path); const old_path_w = try windows.sliceToPrefixedFileW(old_path);
const new_path_w = try windows.sliceToPrefixedFileW(new_path); const new_path_w = try windows.sliceToPrefixedFileW(new_path);
@ -1991,7 +1978,7 @@ pub fn renameat(
/// WASI-only. Same as `renameat` expect targeting WASI. /// WASI-only. Same as `renameat` expect targeting WASI.
/// See also `renameat`. /// See also `renameat`.
pub fn renameatWasi(old_dir_fd: fd_t, old_path: []const u8, new_dir_fd: fd_t, new_path: []const u8) RenameatError!void { pub fn renameatWasi(old_dir_fd: fd_t, old_path: []const u8, new_dir_fd: fd_t, new_path: []const u8) RenameError!void {
switch (wasi.path_rename(old_dir_fd, old_path.ptr, old_path.len, new_dir_fd, new_path.ptr, new_path.len)) { switch (wasi.path_rename(old_dir_fd, old_path.ptr, old_path.len, new_dir_fd, new_path.ptr, new_path.len)) {
wasi.ESUCCESS => return, wasi.ESUCCESS => return,
wasi.EACCES => return error.AccessDenied, wasi.EACCES => return error.AccessDenied,
@ -2012,7 +1999,7 @@ pub fn renameatWasi(old_dir_fd: fd_t, old_path: []const u8, new_dir_fd: fd_t, ne
wasi.ENOTEMPTY => return error.PathAlreadyExists, wasi.ENOTEMPTY => return error.PathAlreadyExists,
wasi.EROFS => return error.ReadOnlyFileSystem, wasi.EROFS => return error.ReadOnlyFileSystem,
wasi.EXDEV => return error.RenameAcrossMountPoints, wasi.EXDEV => return error.RenameAcrossMountPoints,
wasi.ENOTCAPABLE => return error.NotCapable, wasi.ENOTCAPABLE => return error.AccessDenied,
else => |err| return unexpectedErrno(err), else => |err| return unexpectedErrno(err),
} }
} }
@ -2023,7 +2010,7 @@ pub fn renameatZ(
old_path: [*:0]const u8, old_path: [*:0]const u8,
new_dir_fd: fd_t, new_dir_fd: fd_t,
new_path: [*:0]const u8, new_path: [*:0]const u8,
) RenameatError!void { ) RenameError!void {
if (builtin.os.tag == .windows) { if (builtin.os.tag == .windows) {
const old_path_w = try windows.cStrToPrefixedFileW(old_path); const old_path_w = try windows.cStrToPrefixedFileW(old_path);
const new_path_w = try windows.cStrToPrefixedFileW(new_path); const new_path_w = try windows.cStrToPrefixedFileW(new_path);
@ -2062,7 +2049,7 @@ pub fn renameatW(
new_dir_fd: fd_t, new_dir_fd: fd_t,
new_path_w: []const u16, new_path_w: []const u16,
ReplaceIfExists: windows.BOOLEAN, ReplaceIfExists: windows.BOOLEAN,
) RenameatError!void { ) RenameError!void {
const src_fd = windows.OpenFile(old_path_w, .{ const src_fd = windows.OpenFile(old_path_w, .{
.dir = old_dir_fd, .dir = old_dir_fd,
.access_mask = windows.SYNCHRONIZE | windows.GENERIC_WRITE | windows.DELETE, .access_mask = windows.SYNCHRONIZE | windows.GENERIC_WRITE | windows.DELETE,
@ -2111,13 +2098,7 @@ pub fn renameatW(
} }
} }
pub const MakeDirAtError = error{ pub fn mkdirat(dir_fd: fd_t, sub_dir_path: []const u8, mode: u32) MakeDirError!void {
/// WASI-only. This error occurs when the file descriptor does
/// not hold the required rights to create a new directory relative to it.
NotCapable,
} || MakeDirError;
pub fn mkdirat(dir_fd: fd_t, sub_dir_path: []const u8, mode: u32) MakeDirAtError!void {
if (builtin.os.tag == .windows) { if (builtin.os.tag == .windows) {
const sub_dir_path_w = try windows.sliceToPrefixedFileW(sub_dir_path); const sub_dir_path_w = try windows.sliceToPrefixedFileW(sub_dir_path);
return mkdiratW(dir_fd, sub_dir_path_w.span().ptr, mode); return mkdiratW(dir_fd, sub_dir_path_w.span().ptr, mode);
@ -2131,7 +2112,7 @@ pub fn mkdirat(dir_fd: fd_t, sub_dir_path: []const u8, mode: u32) MakeDirAtError
pub const mkdiratC = @compileError("deprecated: renamed to mkdiratZ"); pub const mkdiratC = @compileError("deprecated: renamed to mkdiratZ");
pub fn mkdiratWasi(dir_fd: fd_t, sub_dir_path: []const u8, mode: u32) MakeDirAtError!void { pub fn mkdiratWasi(dir_fd: fd_t, sub_dir_path: []const u8, mode: u32) MakeDirError!void {
switch (wasi.path_create_directory(dir_fd, sub_dir_path.ptr, sub_dir_path.len)) { switch (wasi.path_create_directory(dir_fd, sub_dir_path.ptr, sub_dir_path.len)) {
wasi.ESUCCESS => return, wasi.ESUCCESS => return,
wasi.EACCES => return error.AccessDenied, wasi.EACCES => return error.AccessDenied,
@ -2148,12 +2129,12 @@ pub fn mkdiratWasi(dir_fd: fd_t, sub_dir_path: []const u8, mode: u32) MakeDirAtE
wasi.ENOSPC => return error.NoSpaceLeft, wasi.ENOSPC => return error.NoSpaceLeft,
wasi.ENOTDIR => return error.NotDir, wasi.ENOTDIR => return error.NotDir,
wasi.EROFS => return error.ReadOnlyFileSystem, wasi.EROFS => return error.ReadOnlyFileSystem,
wasi.ENOTCAPABLE => return error.NotCapable, wasi.ENOTCAPABLE => return error.AccessDenied,
else => |err| return unexpectedErrno(err), else => |err| return unexpectedErrno(err),
} }
} }
pub fn mkdiratZ(dir_fd: fd_t, sub_dir_path: [*:0]const u8, mode: u32) MakeDirAtError!void { pub fn mkdiratZ(dir_fd: fd_t, sub_dir_path: [*:0]const u8, mode: u32) MakeDirError!void {
if (builtin.os.tag == .windows) { if (builtin.os.tag == .windows) {
const sub_dir_path_w = try windows.cStrToPrefixedFileW(sub_dir_path); const sub_dir_path_w = try windows.cStrToPrefixedFileW(sub_dir_path);
return mkdiratW(dir_fd, sub_dir_path_w.span().ptr, mode); return mkdiratW(dir_fd, sub_dir_path_w.span().ptr, mode);
@ -2178,12 +2159,14 @@ pub fn mkdiratZ(dir_fd: fd_t, sub_dir_path: [*:0]const u8, mode: u32) MakeDirAtE
} }
} }
pub fn mkdiratW(dir_fd: fd_t, sub_path_w: [*:0]const u16, mode: u32) MakeDirAtError!void { pub fn mkdiratW(dir_fd: fd_t, sub_path_w: [*:0]const u16, mode: u32) MakeDirError!void {
const sub_dir_handle = try windows.CreateDirectoryW(dir_fd, sub_path_w, null); const sub_dir_handle = try windows.CreateDirectoryW(dir_fd, sub_path_w, null);
windows.CloseHandle(sub_dir_handle); windows.CloseHandle(sub_dir_handle);
} }
pub const MakeDirError = error{ pub const MakeDirError = error{
/// In WASI, this error may occur when the file descriptor does
/// not hold the required rights to create a new directory relative to it.
AccessDenied, AccessDenied,
DiskQuota, DiskQuota,
PathAlreadyExists, PathAlreadyExists,
@ -2363,6 +2346,8 @@ pub fn fchdir(dirfd: fd_t) FchdirError!void {
} }
pub const ReadLinkError = error{ pub const ReadLinkError = error{
/// In WASI, this error may occur when the file descriptor does
/// not hold the required rights to read value of a symbolic link relative to it.
AccessDenied, AccessDenied,
FileSystem, FileSystem,
SymLinkLoop, SymLinkLoop,
@ -2416,16 +2401,10 @@ pub fn readlinkZ(file_path: [*:0]const u8, out_buffer: []u8) ReadLinkError![]u8
} }
} }
pub const ReadLinkAtError = error{
/// WASI-only. This error occurs when the file descriptor does
/// not hold the required rights to read value of a symbolic link relative to it.
NotCapable,
} || ReadLinkError;
/// Similar to `readlink` except reads value of a symbolink link **relative** to `dirfd` directory handle. /// Similar to `readlink` except reads value of a symbolink link **relative** to `dirfd` directory handle.
/// The return value is a slice of `out_buffer` from index 0. /// The return value is a slice of `out_buffer` from index 0.
/// See also `readlinkatWasi`, `realinkatZ` and `realinkatW`. /// See also `readlinkatWasi`, `realinkatZ` and `realinkatW`.
pub fn readlinkat(dirfd: fd_t, file_path: []const u8, out_buffer: []u8) ReadLinkAtError![]u8 { pub fn readlinkat(dirfd: fd_t, file_path: []const u8, out_buffer: []u8) ReadLinkError![]u8 {
if (builtin.os.tag == .wasi) { if (builtin.os.tag == .wasi) {
return readlinkatWasi(dirfd, file_path, out_buffer); return readlinkatWasi(dirfd, file_path, out_buffer);
} }
@ -2441,7 +2420,7 @@ pub const readlinkatC = @compileError("deprecated: renamed to readlinkatZ");
/// WASI-only. Same as `readlinkat` but targets WASI. /// WASI-only. Same as `readlinkat` but targets WASI.
/// See also `readlinkat`. /// See also `readlinkat`.
pub fn readlinkatWasi(dirfd: fd_t, file_path: []const u8, out_buffer: []u8) ReadLinkAtError![]u8 { pub fn readlinkatWasi(dirfd: fd_t, file_path: []const u8, out_buffer: []u8) ReadLinkError![]u8 {
var bufused: usize = undefined; var bufused: usize = undefined;
switch (wasi.path_readlink(dirfd, file_path.ptr, file_path.len, out_buffer.ptr, out_buffer.len, &bufused)) { switch (wasi.path_readlink(dirfd, file_path.ptr, file_path.len, out_buffer.ptr, out_buffer.len, &bufused)) {
wasi.ESUCCESS => return out_buffer[0..bufused], wasi.ESUCCESS => return out_buffer[0..bufused],
@ -2454,20 +2433,20 @@ pub fn readlinkatWasi(dirfd: fd_t, file_path: []const u8, out_buffer: []u8) Read
wasi.ENOENT => return error.FileNotFound, wasi.ENOENT => return error.FileNotFound,
wasi.ENOMEM => return error.SystemResources, wasi.ENOMEM => return error.SystemResources,
wasi.ENOTDIR => return error.NotDir, wasi.ENOTDIR => return error.NotDir,
wasi.ENOTCAPABLE => return error.NotCapable, wasi.ENOTCAPABLE => return error.AccessDenied,
else => |err| return unexpectedErrno(err), else => |err| return unexpectedErrno(err),
} }
} }
/// Windows-only. Same as `readlinkat` except `file_path` is null-terminated, WTF16 encoded. /// Windows-only. Same as `readlinkat` except `file_path` is null-terminated, WTF16 encoded.
/// See also `readlinkat`. /// See also `readlinkat`.
pub fn readlinkatW(dirfd: fd_t, file_path: [*:0]const u16, out_buffer: []u8) ReadLinkAtError![]u8 { pub fn readlinkatW(dirfd: fd_t, file_path: [*:0]const u16, out_buffer: []u8) ReadLinkError![]u8 {
@compileError("TODO implement on Windows"); @compileError("TODO implement on Windows");
} }
/// Same as `readlinkat` except `file_path` is null-terminated. /// Same as `readlinkat` except `file_path` is null-terminated.
/// See also `readlinkat`. /// See also `readlinkat`.
pub fn readlinkatZ(dirfd: fd_t, file_path: [*:0]const u8, out_buffer: []u8) ReadLinkAtError![]u8 { pub fn readlinkatZ(dirfd: fd_t, file_path: [*:0]const u8, out_buffer: []u8) ReadLinkError![]u8 {
if (builtin.os.tag == .windows) { if (builtin.os.tag == .windows) {
const file_path_w = try windows.cStrToPrefixedFileW(file_path); const file_path_w = try windows.cStrToPrefixedFileW(file_path);
return readlinkatW(dirfd, file_path_w.span().ptr, out_buffer); return readlinkatW(dirfd, file_path_w.span().ptr, out_buffer);
@ -3132,11 +3111,10 @@ pub fn waitpid(pid: i32, flags: u32) u32 {
pub const FStatError = error{ pub const FStatError = error{
SystemResources, SystemResources,
AccessDenied,
/// WASI-only. This error occurs when the file descriptor does /// In WASI, this error may occur when the file descriptor does
/// not hold the required rights to get its filestat information. /// not hold the required rights to get its filestat information.
NotCapable, AccessDenied,
} || UnexpectedError; } || UnexpectedError;
/// Return information about a file descriptor. /// Return information about a file descriptor.
@ -3149,7 +3127,7 @@ pub fn fstat(fd: fd_t) FStatError!Stat {
wasi.EBADF => unreachable, // Always a race condition. wasi.EBADF => unreachable, // Always a race condition.
wasi.ENOMEM => return error.SystemResources, wasi.ENOMEM => return error.SystemResources,
wasi.EACCES => return error.AccessDenied, wasi.EACCES => return error.AccessDenied,
wasi.ENOTCAPABLE => return error.NotCapable, wasi.ENOTCAPABLE => return error.AccessDenied,
else => |err| return unexpectedErrno(err), else => |err| return unexpectedErrno(err),
} }
} }
@ -3200,7 +3178,7 @@ pub fn fstatatWasi(dirfd: fd_t, pathname: []const u8, flags: u32) FStatAtError!S
wasi.ENAMETOOLONG => return error.NameTooLong, wasi.ENAMETOOLONG => return error.NameTooLong,
wasi.ENOENT => return error.FileNotFound, wasi.ENOENT => return error.FileNotFound,
wasi.ENOTDIR => return error.FileNotFound, wasi.ENOTDIR => return error.FileNotFound,
wasi.ENOTCAPABLE => return error.NotCapable, wasi.ENOTCAPABLE => return error.AccessDenied,
else => |err| return unexpectedErrno(err), else => |err| return unexpectedErrno(err),
} }
} }
@ -3709,9 +3687,9 @@ pub fn gettimeofday(tv: ?*timeval, tz: ?*timezone) void {
pub const SeekError = error{ pub const SeekError = error{
Unseekable, Unseekable,
/// WASI-only. This error occurs when the file descriptor does /// In WASI, this error may occur when the file descriptor does
/// not hold the required rights to seek on it. /// not hold the required rights to seek on it.
NotCapable, AccessDenied,
} || UnexpectedError; } || UnexpectedError;
/// Repositions read/write file offset relative to the beginning. /// Repositions read/write file offset relative to the beginning.
@ -3740,7 +3718,7 @@ pub fn lseek_SET(fd: fd_t, offset: u64) SeekError!void {
wasi.EOVERFLOW => return error.Unseekable, wasi.EOVERFLOW => return error.Unseekable,
wasi.ESPIPE => return error.Unseekable, wasi.ESPIPE => return error.Unseekable,
wasi.ENXIO => return error.Unseekable, wasi.ENXIO => return error.Unseekable,
wasi.ENOTCAPABLE => return error.NotCapable, wasi.ENOTCAPABLE => return error.AccessDenied,
else => |err| return unexpectedErrno(err), else => |err| return unexpectedErrno(err),
} }
} }
@ -3782,7 +3760,7 @@ pub fn lseek_CUR(fd: fd_t, offset: i64) SeekError!void {
wasi.EOVERFLOW => return error.Unseekable, wasi.EOVERFLOW => return error.Unseekable,
wasi.ESPIPE => return error.Unseekable, wasi.ESPIPE => return error.Unseekable,
wasi.ENXIO => return error.Unseekable, wasi.ENXIO => return error.Unseekable,
wasi.ENOTCAPABLE => return error.NotCapable, wasi.ENOTCAPABLE => return error.AccessDenied,
else => |err| return unexpectedErrno(err), else => |err| return unexpectedErrno(err),
} }
} }
@ -3823,7 +3801,7 @@ pub fn lseek_END(fd: fd_t, offset: i64) SeekError!void {
wasi.EOVERFLOW => return error.Unseekable, wasi.EOVERFLOW => return error.Unseekable,
wasi.ESPIPE => return error.Unseekable, wasi.ESPIPE => return error.Unseekable,
wasi.ENXIO => return error.Unseekable, wasi.ENXIO => return error.Unseekable,
wasi.ENOTCAPABLE => return error.NotCapable, wasi.ENOTCAPABLE => return error.AccessDenied,
else => |err| return unexpectedErrno(err), else => |err| return unexpectedErrno(err),
} }
} }
@ -3864,7 +3842,7 @@ pub fn lseek_CUR_get(fd: fd_t) SeekError!u64 {
wasi.EOVERFLOW => return error.Unseekable, wasi.EOVERFLOW => return error.Unseekable,
wasi.ESPIPE => return error.Unseekable, wasi.ESPIPE => return error.Unseekable,
wasi.ENXIO => return error.Unseekable, wasi.ENXIO => return error.Unseekable,
wasi.ENOTCAPABLE => return error.NotCapable, wasi.ENOTCAPABLE => return error.AccessDenied,
else => |err| return unexpectedErrno(err), else => |err| return unexpectedErrno(err),
} }
} }
@ -4012,7 +3990,6 @@ pub fn realpathZ(pathname: [*:0]const u8, out_buffer: *[MAX_PATH_BYTES]u8) RealP
if (builtin.os.tag == .linux and !builtin.link_libc) { if (builtin.os.tag == .linux and !builtin.link_libc) {
const fd = openZ(pathname, linux.O_PATH | linux.O_NONBLOCK | linux.O_CLOEXEC, 0) catch |err| switch (err) { const fd = openZ(pathname, linux.O_PATH | linux.O_NONBLOCK | linux.O_CLOEXEC, 0) catch |err| switch (err) {
error.FileLocksNotSupported => unreachable, error.FileLocksNotSupported => unreachable,
error.NotCapable => unreachable, // WASI only
else => |e| return e, else => |e| return e,
}; };
defer close(fd); defer close(fd);

5
lib/std/zig/system.zig
View File

@ -499,7 +499,6 @@ pub const NativeTargetInfo = struct {
error.PipeBusy => unreachable, error.PipeBusy => unreachable,
error.FileLocksNotSupported => unreachable, error.FileLocksNotSupported => unreachable,
error.WouldBlock => unreachable, error.WouldBlock => unreachable,
error.NotCapable => unreachable, // we don't support WASI here (not yet at least)
error.IsDir, error.IsDir,
error.NotDir, error.NotDir,
@ -791,7 +790,6 @@ pub const NativeTargetInfo = struct {
var it = mem.tokenize(rpath_list, ":"); var it = mem.tokenize(rpath_list, ":");
while (it.next()) |rpath| { while (it.next()) |rpath| {
var dir = fs.cwd().openDir(rpath, .{}) catch |err| switch (err) { var dir = fs.cwd().openDir(rpath, .{}) catch |err| switch (err) {
error.NotCapable => unreachable, // we don't support WASI here (not yet at least)
error.NameTooLong => unreachable, error.NameTooLong => unreachable,
error.InvalidUtf8 => unreachable, error.InvalidUtf8 => unreachable,
error.BadPathName => unreachable, error.BadPathName => unreachable,
@ -819,7 +817,6 @@ pub const NativeTargetInfo = struct {
&link_buf, &link_buf,
) catch |err| switch (err) { ) catch |err| switch (err) {
error.NameTooLong => unreachable, error.NameTooLong => unreachable,
error.NotCapable => unreachable, // we don't support WASI here (not yet at least)
error.AccessDenied, error.AccessDenied,
error.FileNotFound, error.FileNotFound,
@ -854,7 +851,6 @@ pub const NativeTargetInfo = struct {
const len = file.pread(buf[i .. buf.len - i], offset + i) catch |err| switch (err) { const len = file.pread(buf[i .. buf.len - i], offset + i) catch |err| switch (err) {
error.OperationAborted => unreachable, // Windows-only error.OperationAborted => unreachable, // Windows-only
error.WouldBlock => unreachable, // Did not request blocking mode error.WouldBlock => unreachable, // Did not request blocking mode
error.NotCapable => unreachable, // WASI only, and we don't support it here yet
error.SystemResources => return error.SystemResources, error.SystemResources => return error.SystemResources,
error.IsDir => return error.UnableToReadElfFile, error.IsDir => return error.UnableToReadElfFile,
error.BrokenPipe => return error.UnableToReadElfFile, error.BrokenPipe => return error.UnableToReadElfFile,
@ -863,6 +859,7 @@ pub const NativeTargetInfo = struct {
error.ConnectionTimedOut => return error.UnableToReadElfFile, error.ConnectionTimedOut => return error.UnableToReadElfFile,
error.Unexpected => return error.Unexpected, error.Unexpected => return error.Unexpected,
error.InputOutput => return error.FileSystem, error.InputOutput => return error.FileSystem,
error.AccessDenied => return error.Unexpected,
}; };
if (len == 0) return error.UnexpectedEndOfFile; if (len == 0) return error.UnexpectedEndOfFile;
i += len; i += len;

3
src-self-hosted/stage2.zig
View File

@ -163,7 +163,6 @@ export fn stage2_render_ast(tree: *ast.Tree, output_file: *FILE) Error {
error.OutOfMemory => return .OutOfMemory, error.OutOfMemory => return .OutOfMemory,
error.Unexpected => return .Unexpected, error.Unexpected => return .Unexpected,
error.InputOutput => return .FileSystem, error.InputOutput => return .FileSystem,
error.NotCapable => unreachable, // we should handle this when we're able to cross-compile Zig to WASI
}; };
return .None; return .None;
} }
@ -607,7 +606,6 @@ export fn stage2_libc_parse(stage1_libc: *Stage2LibCInstallation, libc_file_z: [
error.NotDir => return .NotDir, error.NotDir => return .NotDir,
error.DeviceBusy => return .DeviceBusy, error.DeviceBusy => return .DeviceBusy,
error.FileLocksNotSupported => unreachable, error.FileLocksNotSupported => unreachable,
error.NotCapable => unreachable, // we should handle this when we're able to cross-compile Zig to WASI
}; };
stage1_libc.initFromStage2(libc); stage1_libc.initFromStage2(libc);
return .None; return .None;
@ -651,7 +649,6 @@ export fn stage2_libc_render(stage1_libc: *Stage2LibCInstallation, output_file:
error.AccessDenied => return .AccessDenied, error.AccessDenied => return .AccessDenied,
error.Unexpected => return .Unexpected, error.Unexpected => return .Unexpected,
error.InputOutput => return .FileSystem, error.InputOutput => return .FileSystem,
error.NotCapable => unreachable, // we should handle this when we're able to cross-compile Zig to WASI
}; };
return .None; return .None;
} }