1 files changed, 25 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/setreuid.c b/libc/sysdeps/linux/common/setreuid.c
new file mode 100644
index 000000000..ad6860518
--- /dev/null
+++ b/libc/sysdeps/linux/common/setreuid.c
@@ -0,0 +1,25 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * setreuid() 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_setreuid __NR_setreuid
+static inline _syscall2(int, __syscall_setreuid,
+		__kernel_uid_t, ruid, __kernel_uid_t, euid);
+
+int setreuid(uid_t ruid, uid_t euid)
+{
+	if (((ruid + 1) > (uid_t) ((__kernel_uid_t) - 1U))
+		|| ((euid + 1) > (uid_t) ((__kernel_uid_t) - 1U))) {
+		__set_errno(EINVAL);
+		return -1;
+	}
+	return (__syscall_setreuid(ruid, euid));
+}