From 5e5d932303e3076e4e64f1a715080b0ba28ab618 Mon Sep 17 00:00:00 2001
From: Meghan Denny <hello@nektro.net>
Date: Tue, 26 May 2026 18:00:45 -0700
Subject: [PATCH] add fchdir

---
 mod.zig  | 5 +++++
 test.zig | 1 +
 2 files changed, 6 insertions(+)

diff --git a/mod.zig b/mod.zig
index 9b4241ca976d6a51ae4c296a95a70f3989ff006c..a7114f54e610444303a38aba01c6aae84d424eda 100644
--- a/mod.zig
+++ b/mod.zig
@@ -3600,3 +3600,8 @@ pub fn fork() !pid_t {
     std.debug.assert(rc >= 0);
     return rc;
 }
+pub fn fchdir(fildes: c_int) !void {
+    const rc = libc.fchdir(fildes);
+    if (rc == -1) return errno.fromInt(errno.fromLibC());
+    std.debug.assert(rc == 0);
+}
diff --git a/test.zig b/test.zig
index f17fbe6c64fc6bb643295ea5a66c5f87c6a7a1d8..964b57c51450cbfb874425f20c07d74e35c6f910 100644
--- a/test.zig
+++ b/test.zig
@@ -73,4 +73,5 @@ test {
     _ = &linux.pipe2;
     _ = &linux.kill;
     _ = &linux.fork;
+    _ = &linux.fchdir;
 }
-- 
2.54.0