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   SPDX-License-Identifier: BSD-2-Clause-Patent
   6 **/
   7 #include <errno.h>
   8 #include <netdb.h>
   9 #include <string.h>
  10 #include <Uefi.h>
  11 #include <unistd.h>
  12
  13 #include <Library/DebugLib.h>
  14 #include <Library/UefiLib.h>
  15
  16 #include <sys/socket.h>
  17
  18 char mBuffer[65536];
  19
  20
  21 /** Translate the service name into a port number
  22
  23   @param[in]  Argc  The number of arguments
  24   @param[in]  Argv  The argument value array
  25
  26   @retval  0        The application exited normally.
  27   @retval  Other    An error occurred.
  28 **/
  29 int
  30 main (
  31   IN int Argc,
  32   IN char **Argv
  33   )
  34 {
  35   int PortNumber;
  36   struct servent * pService;
  37
  38   //  Determine if the service name is specified
  39   if ( 1 == Argc ) {
  40     Print ( L"%a  <service name>\r\n", Argv[0]);
  41   }
  42   else {
  43     //  Translate the service name
  44     pService = getservbyname ( Argv[1], NULL );
  45     if ( NULL == pService ) {
  46       Print ( L"ERROR - service not found, errno: %d\r\n", errno );
  47     }
  48     else {
  49       PortNumber = htons ( pService->s_port );
  50       Print ( L"%a: %d, %a\r\n",
  51               pService->s_name,
  52               PortNumber,
  53               pService->s_proto );
  54     }
  55   }
  56   //  All done
  57   return errno;
  58 }