EmbeddedPkg: Extend NvVarStoreFormattedLib LIBRARY_CLASS

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

/** @file\r
  Translate the port number into a service name\r
\r
  Copyright (c) 2011 - 2014, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
**/\r
#include <errno.h>\r
#include <netdb.h>\r
#include <stdio.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 port number into a service name\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
  int PortNumber;\r
  struct servent * pService;\r
\r
  //  Determine if the service name is specified\r
  if (( 2 != Argc )\r
    || ( 1 != sscanf ( Argv[1], "%d", &PortNumber ))) {\r
    Print ( L"%a  <port number>\r\n", Argv[0]);\r
  }\r
  else {\r
    //  Translate the port number\r
    pService = getservbyport ( htons ( PortNumber ), NULL );\r
    if ( NULL == pService ) {\r
      Print ( L"ERROR - service not found, errno: %d\r\n", errno );\r
    }\r
    else {\r
      Print ( L"%a: %d, %a\r\n",\r
              pService->s_name,\r
              PortNumber,\r
              pService->s_proto );\r
    }\r
  }\r
  //  All done\r
  return errno;\r
}\r