1 files changed, 79 insertions, 0 deletions
diff --git a/nuttx/libc/net/lib_inetntoa.c b/nuttx/libc/net/lib_inetntoa.c
new file mode 100644
index 000000000..e2d92d864
--- /dev/null
+++ b/nuttx/libc/net/lib_inetntoa.c
@@ -0,0 +1,79 @@
+/****************************************************************************
+ * libc/net/lib_inetntoa.c
+ *
+ *   Copyright (C) 2007-2008, 2011-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * 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.
+ * 3. Neither the name NuttX 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 COPYRIGHT HOLDERS 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
+ * COPYRIGHT OWNER 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <stdio.h>
+#include <arpa/inet.h>
+
+#ifndef CONFIG_NET_IPv6
+
+/****************************************************************************
+ * Global Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: inet_ntoa
+ *
+ * Description:
+ *   The inet_ntoa() function converts the Internet host address in given in
+ *   network byte order to a string in standard numbers-and-dots notation.
+ *   The string is returned in a statically allocated buffer, which subsequent
+ *   calls will overwrite.
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_CAN_PASS_STRUCTS
+FAR char *inet_ntoa(struct in_addr in)
+{
+  static char buffer[INET_ADDRSTRLEN+2];
+  FAR char *ptr = (FAR char*)&in.s_addr;
+  sprintf(buffer, "%d.%d.%d.%d", ptr[0], ptr[1], ptr[2], ptr[3]);
+  return buffer;
+}
+#else
+FAR char *_inet_ntoa(in_addr_t in)
+{
+  static char buffer[INET_ADDRSTRLEN+2];
+  FAR char *ptr = (FAR char*)&in;
+  sprintf(buffer, "%d.%d.%d.%d", ptr[0], ptr[1], ptr[2], ptr[3]);
+  return buffer;
+}
+#endif
+#endif /* !CONFIG_NET_IPv6 */
+