StdLib: Fix more GCC warnings/errors caused by variables being set but not used.

[mirror_edk2.git] / AppPkg / Applications / Sockets / GetHostByName / GetHostByName.c

/** @file\r
  Translate the host name into an IP address\r
\r
  Copyright (c) 2011 - 2014, Intel Corporation. All rights reserved.<BR>\r
  This program and the accompanying materials are licensed and made available under\r
  the terms and conditions of the BSD License that accompanies this distribution.\r
  The full text of the license may be found at\r
  http://opensource.org/licenses/bsd-license.php.\r
\r
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
**/\r
#include <errno.h>\r
#include <netdb.h>\r
#include <string.h>\r
#include <Uefi.h>\r
#include <unistd.h>\r
\r
#include <Library/DebugLib.h>\r
#include <Library/UefiLib.h>\r
\r
#include <sys/socket.h>\r
\r
char mBuffer[65536];\r
\r
\r
/** Translate the host name into an IP address\r
\r
  @param[in]  Argc  The number of arguments\r
  @param[in]  Argv  The argument value array\r
\r
  @retval  0        The application exited normally.\r
  @retval  Other    An error occurred.\r
**/\r
int\r
main (\r
  IN int Argc,\r
  IN char **Argv\r
  )\r
{\r
  UINTN Index;\r
  struct hostent * pHost;\r
  UINT8 * pIpAddress;\r
  char ** ppName;\r
\r
  DEBUG (( DEBUG_INFO,\r
            "%a starting\r\n",\r
            Argv[0]));\r
\r
  //  Determine if the host name is specified\r
  if ( 1 == Argc ) {\r
    Print ( L"%a  <host name>\r\n", Argv[0]);\r
  }\r
  else {\r
    //  Translate the host name\r
    pHost = gethostbyname ( Argv[1]);\r
    if ( NULL == pHost ) {\r
      Print ( L"ERROR - host not found, h_errno: %d\r\n", h_errno );\r
    }\r
    else {\r
      pIpAddress = (UINT8 *)pHost->h_addr;\r
      Print ( L"%d.%d.%d.%d, Type %d, %a\r\n",\r
              pIpAddress[0],\r
              pIpAddress[1],\r
              pIpAddress[2],\r
              pIpAddress[3],\r
              pHost->h_addrtype,\r
              pHost->h_name );\r
\r
      //  Display the other addresses\r
      for ( Index = 1; NULL != pHost->h_addr_list[Index]; Index++ ) {\r
        pIpAddress = (UINT8 *)pHost->h_addr_list[Index];\r
        Print ( L"%d.%d.%d.%d\r\n",\r
                pIpAddress[0],\r
                pIpAddress[1],\r
                pIpAddress[2],\r
                pIpAddress[3]);\r
      }\r
\r
      //  Display the list of aliases\r
      ppName = pHost->h_aliases;\r
      if (( NULL == ppName ) || ( NULL == *ppName )) {\r
        Print ( L"No aliases\r\n" );\r
      }\r
      else {\r
        Print ( L"Aliases: " );\r
        while ( NULL != *ppName ) {\r
          //\r
          //  Display the alias\r
          //\r
          Print ( L"%a", *ppName );\r
\r
          //\r
          //  Set the next alias\r
          //\r
          ppName += 1;\r
          if ( NULL != *ppName ) {\r
            Print ( L", " );\r
          }\r
        }\r
        Print ( L"\r\n" );\r
      }\r
    }\r
  }\r
  //  All done\r
  return errno;\r
}\r