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Import gnuplot 3.7

/*
 * $Id: $
 *
 */

/* GNUPLOT - syscfg.h */

/*[
 * Copyright 1986 - 1993, 1998   Thomas Williams, Colin Kelley
 *
 * Permission to use, copy, and distribute this software and its
 * documentation for any purpose with or without fee is hereby granted,
 * provided that the above copyright notice appear in all copies and
 * that both that copyright notice and this permission notice appear
 * in supporting documentation.
 *
 * Permission to modify the software is granted, but not the right to
 * distribute the complete modified source code.  Modifications are to
 * be distributed as patches to the released version.  Permission to
 * distribute binaries produced by compiling modified sources is granted,
 * provided you
 *   1. distribute the corresponding source modifications from the
 *    released version in the form of a patch file along with the binaries,
 *   2. add special version identification to distinguish your version
 *    in addition to the base release version number,
 *   3. provide your name and address as the primary contact for the
 *    support of your modified version, and
 *   4. retain our contact information in regard to use of the base
 *    software.
 * Permission to distribute the released version of the source code along
 * with corresponding source modifications in the form of a patch file is
 * granted with same provisions 2 through 4 for binary distributions.
 *
 * This software is provided "as is" without express or implied warranty
 * to the extent permitted by applicable law.
]*/

/* This header file provides system dependent definitions. New features
 * and platforms should be added here.
 */

#ifndef SYSCFG_H
#define SYSCFG_H

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include "ansichek.h"
#include "stdfn.h"

/*
 * Define operating system dependent constants [default value]:
 *
 * OS:       [" "] Name of OS plus trailing space
 * HELPFILE: ["docs/gnuplot.gih"] Location of helpfile - overriden by Makefile
 * HOME:     ["HOME"] Name of environment variable which points to
 *           the directory where gnuplot's config file is found.
 * PLOTRC:   [".gnuplot"] Name of the gnuplot startup file.
 * SHELL:    ["/bin/sh"] Name, and in some cases, full path to the shell
 *           that is used to run external commands.
 * DIRSEP1:  ['/'] Primary character which separates path components.
 * DIRSEP2:  ['\0'] Secondary character which separates path components.
 *        
 */

#if defined(AMIGA_SC_6_1) || defined(AMIGA_AC_5) || defined(__amigaos__)
# define OS "Amiga "
# ifndef __amigaos__
#  define HELPFILE "S:gnuplot.gih"
#  define HOME     "GNUPLOT"
#  define SHELL    "NewShell"
#  define DIRSEP2  ':'
# endif
# ifndef AMIGA
#  define AMIGA
# endif
/* Fake S_IFIFO for SAS/C
 * See stdfn.h for details
 */
# ifdef AMIGA_SC_6_1
#  define S_IFIFO S_IREAD
# endif
#endif /* Amiga */

#ifdef ATARI
# define OS "TOS "
# define HOME  "GNUPLOT"
# define PLOTRC "gnuplot.ini"
# define SHELL "gulam.prg"
# define DIRSEP1 '\\'
# ifdef MTOS
#  define DIRSEP2 '/'
# endif
/* I hope this is correct ... */
# ifdef __PUREC__
#  define sscanf purec_sscanf
# endif
#endif /* Atari */

#ifdef DOS386
# define OS "DOS 386 "
# define HELPFILE "gnuplot.gih"
# define HOME  "GNUPLOT"
# define PLOTRC "gnuplot.ini"
# define DIRSEP1 '\\'
#endif /* DOS386 */

#ifdef linux
# define OS "Linux "
#endif /* Linux */

#if defined(__NeXT__) && !defined(NEXT)
# define NEXT
#endif /* NeXT */

#ifdef OS2
# define OS "OS/2 "
# define HELPFILE "gnuplot.gih"
# define HOME  "GNUPLOT"
# define PLOTRC "gnuplot.ini"
# define SHELL "c:\\os2\\cmd.exe"
# define DIRSEP1 '\\'
# define GP_GETCWD(path,len) _getcwd2 (path, len)
#endif /* OS/2 */

#ifdef OSK
# define OS "OS-9 "
# define SHELL "/dd/cmds/shell"
#endif /* OS-9 */

#if defined(vms) || defined(VMS)
# ifndef VMS
#  define VMS
# endif
# define OS "VMS "
# define HOME "sys$login:"
# define PLOTRC "gnuplot.ini"
# ifdef NO_GIH
   /* for show version long */
#  define HELPFILE "GNUPLOT$HELP"
# endif
# if !defined(VAXCRTL) && !defined(DECCRTL)
#  error Please /define either VAXCRTL or DECCRTL
# endif
/* avoid some IMPLICITFUNC warnings */
# ifdef __DECC
#  include <starlet.h>
# endif  /* __DECC */
#endif /* VMS */

#if defined(_WINDOWS) || defined(_Windows)
# ifndef _Windows
#  define _Windows
# endif
# ifdef WIN32
#  define OS "MS-Windows 32 bit "
/* introduced by Pedro Mendes, prm@aber.ac.uk */
#  define far
/* Fix for broken compiler headers
 * See stdfn.h
 */
#  define S_IFIFO  _S_IFIFO
# else
#  ifndef WIN16
#   define WIN16
#  endif
#  define OS "MS-Windows "
# endif /* WIN32 */
# define HOME  "GNUPLOT"
# define PLOTRC "gnuplot.ini"
# define DIRSEP1 '\\'
#endif /* _WINDOWS */

#if defined(MSDOS) && !defined(_Windows)
# if !defined(DOS32) && !defined(DOS16)
#  define DOS16
# endif
# ifdef MTOS
#  define OS "TOS & MiNT & MULTITOS & Magic - "
# endif /* MTOS */
# undef HELPFILE
# define HELPFILE "gnuplot.gih"
# define HOME "GNUPLOT"
# define PLOTRC "gnuplot.ini"
# define OS "MS-DOS "
# define DIRSEP1 '\\'
# ifdef __DJGPP__
#  define DIRSEP2 '/'
# endif
#endif /* MSDOS */

/* Note: may not catch all IBM AIX compilers or SCO compilers */
#if defined(__unix__)|| defined(unix) || defined(_AIX) || defined(SCO)
# ifndef unix
#  define unix
# endif
# ifndef OS
#  define OS "Unix "
# endif
#endif /* Unix */

/* End OS dependent constants; fall-through defaults
 * for the constants defined above are following.
 */

#ifndef OS
# define OS " "
#endif

#ifndef HELPFILE
# define HELPFILE "docs/gnuplot.gih"
#endif /* !HELPFILE */

#ifndef HOME
# define HOME "HOME"
#endif

#ifndef PLOTRC
# define PLOTRC ".gnuplot"
#endif

#ifndef SHELL
# define SHELL "/bin/sh"    /* used if SHELL env variable not set */
#endif

#ifndef DIRSEP1
# define DIRSEP1 '/'
#endif

#ifndef DIRSEP2
# define DIRSEP2 NUL
#endif

#ifndef FAQ_LOCATION
# define FAQ_LOCATION "http://www.uni-karlsruhe.de/~ig25/gnuplot-faq/"
#endif

#ifndef CONTACT
# define CONTACT "bug-gnuplot@dartmouth.edu"
#endif

#ifndef HELPMAIL
# define HELPMAIL "info-gnuplot@dartmouth.edu"
#endif
/* End fall-through defaults */

/* Atari stuff. Moved here from command.c, plot2d.c, readline.c */
#if defined(ATARI) || defined(MTOS)
# ifdef __PUREC__
#  include <ext.h>
#  include <tos.h>
#  include <aes.h>
# else
#  include <osbind.h>
#  include <aesbind.h>
#  include <support.h>
# endif                         /* __PUREC__ */
#endif /* ATARI || MTOS */


/* DOS/Windows stuff. Moved here from command.c */
#if defined(MSDOS) || defined(DOS386)

# ifdef DJGPP
#  include <dos.h>
#  include <dir.h>              /* HBB: for setdisk() */
# else
#  include <process.h>
# endif                         /* !DJGPP */

# ifdef __ZTC__
#  define HAVE_SLEEP 1
#  define P_WAIT 0

# elif defined(__TURBOC__)
#  include <dos.h>		/* for sleep() prototype */
#  ifndef _Windows
#   define HAVE_SLEEP 1
#   include <conio.h>
#   include <dir.h>            /* setdisk() */
#  endif                       /* _Windows */
#  ifdef WIN32
#   define HAVE_SLEEP 1
#  endif

# else                         /* must be MSC */
#  if !defined(__EMX__) && !defined(DJGPP)
#   ifdef __MSC__
#    include <direct.h>        /* for _chdrive() */
#   endif                      /* __MSC__ */
#  endif                       /* !__EMX__ && !DJGPP */
# endif                        /* !ZTC */

#endif /* MSDOS */


/* Watcom's compiler; this should probably be somewhere
 * in the Windows section
 */
#ifdef __WATCOMC__
# include <direct.h>
# define HAVE_GETCWD 1
#endif


/* Misc platforms */
#if defined(apollo) || defined(alliant)
# define NO_LIMITS_H
#endif

#ifdef sequent
# define NO_LIMITS_H
# define NO_STRCHR
#endif


/* Autoconf related stuff
 * Transform autoconf defines to gnuplot coding standards
 * This is only relevant for standard ANSI headers and functions
 */
#ifdef HAVE_CONFIG_H

# ifndef HAVE_ERRNO_H
#  define NO_ERRNO_H
# endif

# ifndef HAVE_FLOAT_H
#  define NO_FLOAT_H
# endif

# ifndef HAVE_LIMITS_H
#  define NO_LIMITS_H 
# endif

# ifndef HAVE_LOCALE_H
#  define NO_LOCALE_H 
# endif

# ifndef HAVE_MATH_H
#  define NO_MATH_H 
# endif

# ifndef HAVE_STDLIB_H
#  define NO_STDLIB_H 
# endif

# ifndef HAVE_STRING_H
#  define NO_STRING_H 
# endif

# ifndef HAVE_TIME_H
#  define NO_TIME_H 
# endif

# ifndef HAVE_SYS_TIME_H
#  define NO_SYS_TIME_H 
# endif

# ifndef HAVE_SYS_TYPES_H
#  define NO_SYS_TYPES_H 
# endif

# ifndef HAVE_ATEXIT
#  define NO_ATEXIT
# endif

# ifndef HAVE_MEMCPY
#  define NO_MEMCPY
# endif

# ifndef HAVE_MEMMOVE
#  define NO_MEMMOVE
# endif

# ifndef HAVE_MEMSET
#  define NO_MEMSET
# endif

# ifndef HAVE_SETVBUF
#  define NO_SETVBUF
# endif

# ifndef HAVE_STRERROR
#  define NO_STRERROR
# endif

# ifndef HAVE_STRCHR
#  define NO_STRCHR
# endif

# ifndef HAVE_STRRCHR
#  define NO_STRRCHR
# endif

# ifndef HAVE_STRSTR
#  define NO_STRSTR
# endif

#endif /* HAVE_CONFIG_H */
/* End autoconf related stuff */

#endif /* !SYSCFG_H */