[PATCH 106/114] Add implementation of inet_lnaof function for Phoenix.

[Jakub Sejdak <jakub dot sejdak at phoesys dot com>]

From: Kuba Sejdak <jakub.sejdak@phoesys.com>

---
 newlib/libc/sys/phoenix/net/inet_lnaof.c | 46 ++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 newlib/libc/sys/phoenix/net/inet_lnaof.c

diff --git a/newlib/libc/sys/phoenix/net/inet_lnaof.c b/newlib/libc/sys/phoenix/net/inet_lnaof.c
new file mode 100644
index 0000000..8af1e22
--- /dev/null
+++ b/newlib/libc/sys/phoenix/net/inet_lnaof.c
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 1983, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/* Copied from Linux, modified for Phoenix-RTOS. */
+
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <sys/param.h>
+
+in_addr_t inet_lnaof(struct in_addr in)
+{
+	register u_int32_t i = ntohl(in.s_addr);
+
+	if (IN_CLASSA(i))
+		return (i) & IN_CLASSA_HOST;
+	else if (IN_CLASSB(i))
+		return (i) & IN_CLASSB_HOST;
+	else
+		return (i) & IN_CLASSC_HOST;
+}
-- 
2.5.0