Add Socket Library applications.

Modify AppPkg.dsc file to include StdLib.inc which contains the Boilerplate text for Standard Library based Applications.


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12062 6f19259b-4bc3-4df7-8a09-765794883524

AppPkg/Applications/Sockets/SetHostName/SetHostName.c

@@ -0,0 +1,100 @@
+/** @file
+  Set the host name
+
+  Copyright (c) 2011, Intel Corporation
+  All rights reserved. This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <errno.h>
+#include <string.h>
+#include <Uefi.h>
+#include <unistd.h>
+
+#include <Library/DebugLib.h>
+#include <Library/UefiLib.h>
+
+#include <sys/socket.h>
+
+char mBuffer [65536];
+
+
+/**
+  Set the host name
+
+  @param [in] Argc  The number of arguments
+  @param [in] Argv  The argument value array
+
+  @retval  0        The application exited normally.
+  @retval  Other    An error occurred.
+**/
+int
+main (
+  IN int Argc,
+  IN char **Argv
+  )
+{
+  int AppStatus;
+
+  DEBUG (( DEBUG_INFO,
+            "%a starting\r\n",
+            Argv[0]));
+
+  //
+  //  Determine if the host name is specified
+  //
+  AppStatus = 0;
+  if ( 1 < Argc ) {
+    //
+    //  Set the host name
+    //
+    AppStatus = sethostname ( Argv[1], strlen ( Argv[1]));
+    if ( -1 == AppStatus ) {
+      switch ( errno ) {
+      default:
+        Print ( L"ERROR - errno: %d\r\n", errno );
+        break;
+
+      case ENODEV:
+        Print ( L"WARNING - Plarform does not support permanent storage!\r\n" );
+        break;
+
+      case ENOMEM:
+        Print ( L"ERROR - Insufficient storage to save host name!\r\n" );
+        break;
+
+      case ENOTSUP:
+        Print ( L"ERROR - Platform does not support environment variable storage!\r\n" );
+        break;
+      }
+    }
+  }
+  else {
+    //
+    //  Display the current host name
+    //
+    AppStatus = gethostname ( &mBuffer[0], sizeof ( mBuffer ));
+    if ( -1 == AppStatus ) {
+      Print ( L"ERROR - Unable to get host name, errno: %d\r\n", errno );
+    }
+    else {
+      if ( 0 == mBuffer[0]) {
+        Print ( L"Host name is not set!\r\n" );
+      }
+      else {
+        Print ( L"Host name: %a", &mBuffer[0]);
+      }
+    }
+  }
+
+  //
+  //  All done
+  //
+  return errno;
+}