AppPkg/Applications/Sockets/GetServByName/GetServByName.c

   1 /** @file
   2   Translate the service name into a port number
   3
   4   Copyright (c) 2011, Intel Corporation
   5   All rights reserved. This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  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 **/
  14
  15 #include <errno.h>
  16 #include <netdb.h>
  17 #include <string.h>
  18 #include <Uefi.h>
  19 #include <unistd.h>
  20
  21 #include <Library/DebugLib.h>
  22 #include <Library/UefiLib.h>
  23
  24 #include <sys/socket.h>
  25
  26 char mBuffer[65536];
  27
  28
  29 /**
  30   Translate the service name into a port number
  31
  32   @param [in] Argc  The number of arguments
  33   @param [in] Argv  The argument value array
  34
  35   @retval  0        The application exited normally.
  36   @retval  Other    An error occurred.
  37 **/
  38 int
  39 main (
  40   IN int Argc,
  41   IN char **Argv
  42   )
  43 {
  44   int AppStatus;
  45   int PortNumber;
  46   struct servent * pService;
  47
  48   //
  49   //  Determine if the service name is specified
  50   //
  51   AppStatus = 0;
  52   if ( 1 == Argc ) {
  53     Print ( L"%a  <service name>\r\n", Argv[0]);
  54   }
  55   else {
  56     //
  57     //  Translate the service name
  58     //
  59     pService = getservbyname ( Argv[1], NULL );
  60     if ( NULL == pService ) {
  61       Print ( L"ERROR - service not found, errno: %d\r\n", errno );
  62     }
  63     else {
  64       PortNumber = htons ( pService->s_port );
  65       Print ( L"%a: %d, %a\r\n",
  66               pService->s_name,
  67               PortNumber,
  68               pService->s_proto );
  69     }
  70   }
  71
  72   //
  73   //  All done
  74   //
  75   return errno;
  76 }