From 4abab5ad6c8465a7528ccdd5f49367da05f78bbd Mon Sep 17 00:00:00 2001
From: Vladimir Azarov <avm@intermediate-node.net>
Date: Tue, 1 Oct 2024 15:47:05 +0200
Subject: Initial version

---
 src/unistd/fchdir.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 src/unistd/fchdir.c

(limited to 'src/unistd/fchdir.c')

diff --git a/src/unistd/fchdir.c b/src/unistd/fchdir.c
new file mode 100644
index 0000000..dee45ba
--- /dev/null
+++ b/src/unistd/fchdir.c
@@ -0,0 +1,15 @@
+#include <unistd.h>
+#include <errno.h>
+#include <fcntl.h>
+#include "syscall.h"
+
+int fchdir(int fd)
+{
+	int ret = __syscall(SYS_fchdir, fd);
+	if (ret != -EBADF || __syscall(SYS_fcntl, fd, F_GETFD) < 0)
+		return __syscall_ret(ret);
+
+	char buf[15+3*sizeof(int)];
+	__procfdname(buf, fd);
+	return syscall(SYS_chdir, buf);
+}
-- 
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