From 8d11ade6a769fe498ed20cdb4f80c6acf4ca91de Mon Sep 17 00:00:00 2001
From: Veikka Tuominen <git@vexu.eu>
Date: Tue, 30 Jan 2024 23:11:52 +0200
Subject: [PATCH] std: change return type of `wasiCwd`

`fd_t` is not declared on freestanding so returning a `Dir` causes an error.
---
 lib/std/fs.zig  | 10 +++++-----
 lib/std/std.zig |  2 +-
 src/main.zig    |  4 ++--
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/lib/std/fs.zig b/lib/std/fs.zig
index 93125c2530..c247bf311f 100644
--- a/lib/std/fs.zig
+++ b/lib/std/fs.zig
@@ -231,17 +231,17 @@ pub fn renameW(old_dir: Dir, old_sub_path_w: []const u16, new_dir: Dir, new_sub_
 /// On POSIX targets, this function is comptime-callable.
 pub fn cwd() Dir {
     if (builtin.os.tag == .windows) {
-        return Dir{ .fd = os.windows.peb().ProcessParameters.CurrentDirectory.Handle };
+        return .{ .fd = os.windows.peb().ProcessParameters.CurrentDirectory.Handle };
     } else if (builtin.os.tag == .wasi) {
-        return std.options.wasiCwd();
+        return .{ .fd = std.options.wasiCwd() };
     } else {
-        return Dir{ .fd = os.AT.FDCWD };
+        return .{ .fd = os.AT.FDCWD };
     }
 }
 
-pub fn defaultWasiCwd() Dir {
+pub fn defaultWasiCwd() std.os.wasi.fd_t {
     // Expect the first preopen to be current working directory.
-    return .{ .fd = 3 };
+    return 3;
 }
 
 /// Opens a directory at the given path. The directory is a system resource that remains
diff --git a/lib/std/std.zig b/lib/std/std.zig
index cbf48e2f11..37158c29b6 100644
--- a/lib/std/std.zig
+++ b/lib/std/std.zig
@@ -203,7 +203,7 @@ pub const Options = struct {
     enable_segfault_handler: bool = debug.default_enable_segfault_handler,
 
     /// Function used to implement `std.fs.cwd` for WASI.
-    wasiCwd: fn () fs.Dir = fs.defaultWasiCwd,
+    wasiCwd: fn () os.wasi.fd_t = fs.defaultWasiCwd,
 
     /// The current log level.
     log_level: log.Level = log.default_level,
diff --git a/src/main.zig b/src/main.zig
index a6bc747d2b..c3d5a28ccf 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -45,11 +45,11 @@ pub const std_options = .{
 pub const panic = crash_report.panic;
 
 var wasi_preopens: fs.wasi.Preopens = undefined;
-pub fn wasi_cwd() fs.Dir {
+pub fn wasi_cwd() std.os.wasi.fd_t {
     // Expect the first preopen to be current working directory.
     const cwd_fd: std.os.fd_t = 3;
     assert(mem.eql(u8, wasi_preopens.names[cwd_fd], "."));
-    return .{ .fd = cwd_fd };
+    return cwd_fd;
 }
 
 pub fn getWasiPreopen(name: []const u8) Compilation.Directory {