From b3aaf854cdd814998a09195ba05f5e2bad4c60cb Mon Sep 17 00:00:00 2001
From: LordMZTE <lord@mzte.de>
Date: Thu, 19 Oct 2023 15:44:30 +0200
Subject: [PATCH] std.os: do nothing when calling fchdir with AT_FDCWD

---
 lib/std/os.zig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/std/os.zig b/lib/std/os.zig
index 93e4b42667..1ae5157d8b 100644
--- a/lib/std/os.zig
+++ b/lib/std/os.zig
@@ -3029,6 +3029,7 @@ pub const FchdirError = error{
 } || UnexpectedError;
 
 pub fn fchdir(dirfd: fd_t) FchdirError!void {
+    if (dirfd == AT.FDCWD) return;
     while (true) {
         switch (errno(system.fchdir(dirfd))) {
             .SUCCESS => return,