AppPkg: Replace BSD License with BSD+Patent License

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

/** @file\r
  Translate the host name into an IP address\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 <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
struct hostent * _gethostbydnsname (const char *, int);\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
  UINT8 * pIpAddress;\r
  struct hostent * pHost;\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 = _gethostbydnsname ( Argv[1], AF_INET );\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"%a: Type %d, %d.%d.%d.%d\r\n",\r
              pHost->h_name,\r
              pHost->h_addrtype,\r
              pIpAddress[0],\r
              pIpAddress[1],\r
              pIpAddress[2],\r
              pIpAddress[3]);\r
    }\r
  }\r
  //  All done\r
  return errno;\r
}\r