host.m

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/*

  Copyright (C) 2000, 2001 Silicon Graphics, Inc.  All Rights Reserved.

  This program is free software; you can redistribute it and/or modify it
  under the terms of version 2 of the GNU General Public License as
  published by the Free Software Foundation.

  This program is distributed in the hope that it would be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  

  Further, this software is distributed without any warranty that it is
  free of the rightful claim of any third person regarding infringement 
  or the like.  Any license provided herein, whether implied or 
  otherwise, applies only to this software file.  Patent licenses, if 
  any, provided herein do not apply to combinations of this program with 
  other software, or any other product whatsoever.  

  You should have received a copy of the GNU General Public License along
  with this program; if not, write the Free Software Foundation, Inc., 59
  Temple Place - Suite 330, Boston MA 02111-1307, USA.

  Contact information:  Silicon Graphics, Inc., 1600 Amphitheatre Pky,
  Mountain View, CA 94043, or:

  http://www.sgi.com

  For further information regarding this notice, see:

  http://oss.sgi.com/projects/GenInfo/NoticeExplan

*/

/* USMID:  "\n@(#)5.0_pl/macros/host.m  5.1     04/29/99 21:22:31\n" */

/* This module is for host specific information.  */

/*   CHAR_BIT  is defined in limits.h and is the number of bits in a char.    */
/*   _WORD_BIT is defined in limits.h and is the number of bits per word.     */


# ifdef _HOST64

# ifndef _HOST_OS_UNICOS 
#    define _WORD_BIT                           64
# endif

#    define HOST_BITS_PER_WORD                  _WORD_BIT    /* Bits per word */
#    define HOST_BYTES_PER_WORD                 8       /* Bytes per word     */

#    define HOST_BYTES_TO_WORDS(BYTE_SIZE)      (((BYTE_SIZE)+7) >> 3)

#    define MAX_MSG_SIZE                        200
#    define NUM_ID_WDS                          4       /* words in identifier*/

# elif _HOST32

#    define HOST_BITS_PER_WORD                  32      /* Bits per word   */
#    define HOST_BYTES_PER_WORD                 4       /* Bytes per word  */

#    define HOST_BYTES_TO_WORDS(BYTE_SIZE)      (((BYTE_SIZE)+3) >> 2)

#    define MAX_MSG_SIZE                        400
#    define NUM_ID_WDS                          8       /* words in identifier*/
# endif

/* From Cray man page.                                                       */
/*   The _toupper and _tolower functions accomplish the same thing as        */
/*   toupper and tolower, but have a restricted domain and are faster.  The  */
/*   _toupper function requires a lowercase letter as its argument; its      */
/*   result is the corresponding uppercase letter.  The _tolower function    */
/*   requires an uppercase letter as its argument; its result is the         */
/*   corresponding lowercase letter.  Arguments outside the domain cause     */
/*   undefined results.                                                      */

# if defined(_HOST_OS_UNICOS) || defined(_HOST_OS_MAX)

#    define TOUPPER                     _toupper        /* To use macro       */

# else

#    define TOUPPER                     toupper
# endif

# ifndef _MAXVL
# define _MAXVL 64
# endif

/* This is standard C used by fseek.  gcc does not support it. */

# ifndef SEEK_CUR
# define SEEK_CUR 1
# endif

# if defined(_HOST_OS_UNICOS) || defined(_HOST_OS_MAX)
# define Pragma(S)      _Pragma(S)
# else
# define Pragma(S)
# endif

/*# if defined(_HOST_OS_SOLARIS)  */
# ifndef _HOST_OS_LINUX 
#   define      MAXHOSTNAMELEN  256
# endif