1 files changed, 91 insertions, 0 deletions
diff --git a/apps/netutils/dnsclient/dns_gethostip.c b/apps/netutils/dnsclient/dns_gethostip.c
new file mode 100644
index 000000000..59035796c
--- /dev/null
+++ b/apps/netutils/dnsclient/dns_gethostip.c
@@ -0,0 +1,91 @@
+/****************************************************************************
+ * apps/netutils/dnsclient/dns_gethostip.c
+ *
+ *   Copyright (C) 2007, 2009, 2012, 2014 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Based heavily on portions of uIP:
+ *
+ *   Author: Adam Dunkels <adam@dunkels.com>
+ *   Copyright (c) 2002-2003, Adam Dunkels.
+ *   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.
+ * 3. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 <apps/netutils/dnsclient.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: dns_gethostip
+ *
+ * Descriptions:
+ *   Combines the operations of dns_bind_sock(), dns_query_sock(), and
+ *   dns_free_sock() to obtain the the IP address ('ipaddr') associated with
+ *   the 'hostname' in one operation.
+ *
+ ****************************************************************************/
+
+int dns_gethostip(FAR const char *hostname, FAR in_addr_t *ipaddr)
+{
+  int sockfd = -1;
+  int ret=ERROR;
+
+  dns_bind_sock(&sockfd);
+  if (sockfd >= 0)
+    {
+      ret = dns_query_sock(sockfd, hostname, ipaddr);
+      dns_free_sock(&sockfd);
+    }
+
+  return ret;
+}