Separate RTEMS Specific Files from Those Direct from FreeBSD

rtemsbsd/src/rtems-bsd-sysctlbyname.c

@@ -0,0 +1,43 @@
+/**
+ * @file
+ *
+ * @ingroup rtems_bsd_rtems
+ *
+ * @brief TODO.
+ *
+ * File origin from FreeBSD 'lib/libc/gen/sysctlbyname.c'.
+ */
+
+/*
+ * ----------------------------------------------------------------------------
+ * "THE BEER-WARE LICENSE" (Revision 42):
+ * <phk@FreeBSD.org> wrote this file.  As long as you retain this notice you
+ * can do whatever you want with this stuff. If we meet some day, and you think
+ * this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
+ * ----------------------------------------------------------------------------
+ *
+ */
+
+#include <rtems/freebsd/machine/rtems-bsd-config.h>
+
+#include <rtems/freebsd/sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <rtems/freebsd/sys/types.h>
+#include <rtems/freebsd/sys/sysctl.h>
+
+int
+sysctlbyname(const char *name, void *oldp, size_t *oldlenp,
+    void *newp, size_t newlen)
+{
+	int real_oid[CTL_MAXNAME+2];
+	int error;
+	size_t oidlen;
+
+	oidlen = sizeof(real_oid) / sizeof(int);
+	error = sysctlnametomib(name, real_oid, &oidlen);
+	if (error < 0)
+		return (error);
+	error = sysctl(real_oid, oidlen, oldp, oldlenp, newp, newlen);
+	return (error);
+}