1 files changed, 28 insertions, 0 deletions
diff --git a/lib/libc/gen/sysctlbyname.c b/lib/libc/gen/sysctlbyname.c
new file mode 100644
index 000000000000..88b860d3e794
--- /dev/null
+++ b/lib/libc/gen/sysctlbyname.c
@@ -0,0 +1,28 @@
+/*
+ * ----------------------------------------------------------------------------
+ * "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 <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/types.h>
+#include <sys/sysctl.h>
+
+int
+sysctlbyname(const char *name, void *oldp, size_t *oldlenp,
+    const void *newp, size_t newlen)
+{
+	int real_oid[CTL_MAXNAME+2];
+	size_t oidlen;
+
+	oidlen = sizeof(real_oid) / sizeof(int);
+	if (sysctlnametomib(name, real_oid, &oidlen) < 0)
+		return (-1);
+	return (sysctl(real_oid, oidlen, oldp, oldlenp, newp, newlen));
+}