1 files changed, 15 insertions, 0 deletions
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);
+}