1 files changed, 23 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/setgid.c b/libc/sysdeps/linux/common/setgid.c
new file mode 100644
index 000000000..2289464ae
--- /dev/null
+++ b/libc/sysdeps/linux/common/setgid.c
@@ -0,0 +1,23 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * setgid() 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_setgid __NR_setgid
+static inline _syscall1(int, __syscall_setgid, __kernel_gid_t, gid);
+
+int setgid(gid_t gid)
+{
+	if (gid == (gid_t) ~ 0 || gid != (gid_t) ((__kernel_gid_t) gid)) {
+		__set_errno(EINVAL);
+		return -1;
+	}
+	return (__syscall_setgid(gid));
+}