1 files changed, 23 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/setuid.c b/libc/sysdeps/linux/common/setuid.c
new file mode 100644
index 000000000..56c9428c4
--- /dev/null
+++ b/libc/sysdeps/linux/common/setuid.c
@@ -0,0 +1,23 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * setuid() for uClibc
+ *
+ * Copyright (C) 2000-2004 by Erik Andersen <andersen@codpoet.org>
+ *
+ * GNU Library General Public License (LGPL) version 2 or later.
+ */
+
+#include "syscalls.h"
+#include <unistd.h>
+
+#define __NR___syscall_setuid __NR_setuid
+static inline _syscall1(int, __syscall_setuid, __kernel_uid_t, uid);
+
+int setuid(uid_t uid)
+{
+	if (uid == (uid_t) ~ 0 || uid != (uid_t) ((__kernel_uid_t) uid)) {
+		__set_errno(EINVAL);
+		return -1;
+	}
+	return (__syscall_setuid(uid));
+}