AppPkg/Applications/Sockets/GetServByName/GetServByName.c

   1 /** @file
   2   Translate the service name into a port number
   3
   4   Copyright (c) 2011 - 2014, Intel Corporation. All rights reserved.<BR>
   5   This program and the accompanying materials are licensed and made available under
   6   the terms and conditions of the BSD License that accompanies this distribution.
   7   The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php.
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12 **/
  13 #include <errno.h>
  14 #include <netdb.h>
  15 #include <string.h>
  16 #include <Uefi.h>
  17 #include <unistd.h>
  18
  19 #include <Library/DebugLib.h>
  20 #include <Library/UefiLib.h>
  21
  22 #include <sys/socket.h>
  23
  24 char mBuffer[65536];
  25
  26
  27 /** Translate the service name into a port number
  28
  29   @param[in]  Argc  The number of arguments
  30   @param[in]  Argv  The argument value array
  31
  32   @retval  0        The application exited normally.
  33   @retval  Other    An error occurred.
  34 **/
  35 int
  36 main (
  37   IN int Argc,
  38   IN char **Argv
  39   )
  40 {
  41   int PortNumber;
  42   struct servent * pService;
  43
  44   //  Determine if the service name is specified
  45   if ( 1 == Argc ) {
  46     Print ( L"%a  <service name>\r\n", Argv[0]);
  47   }
  48   else {
  49     //  Translate the service name
  50     pService = getservbyname ( Argv[1], NULL );
  51     if ( NULL == pService ) {
  52       Print ( L"ERROR - service not found, errno: %d\r\n", errno );
  53     }
  54     else {
  55       PortNumber = htons ( pService->s_port );
  56       Print ( L"%a: %d, %a\r\n",
  57               pService->s_name,
  58               PortNumber,
  59               pService->s_proto );
  60     }
  61   }
  62   //  All done
  63   return errno;
  64 }