/*
 * FIG : Facility for Interactive Generation of figures
 * Copyright (c) 1985-1988 by Supoj Sutanthavibul
 * Parts Copyright (c) 1989-2002 by Brian V. Smith
 * Parts Copyright (c) 1991 by Paul King
 *
 * Any party obtaining a copy of these files is granted, free of charge, a
 * full and unrestricted irrevocable, world-wide, paid up, royalty-free,
 * nonexclusive right and license to deal in this software and documentation
 * files (the "Software"), including without limitation the rights to use,
 * copy, modify, merge, publish distribute, sublicense and/or sell copies of
 * the Software, and to permit persons who receive copies from any such
 * party to do so, with the only requirement being that the above copyright
 * and this permission notice remain intact.
 *
 */

#ifndef FIG_H
#define FIG_H

extern	char	*my_strdup();

/* For the X stuff, include only Xlib.h and Intrinsic.h here - 
   use figx.h for widget stuff */

#if defined(ultrix) || defined(__bsdi__) || defined(Mips) || defined(apollo)
#include <sys/types.h>	/* for stat structure */
#endif
#include <sys/stat.h>

#if defined(__convex__) && defined(__STDC__)
#define S_IFDIR _S_IFDIR
#define S_IWRITE _S_IWRITE
#endif

#ifndef SYSV
#ifndef SVR4
#include <fcntl.h>
#endif
#endif

#include <pwd.h>
#include <signal.h>
#include <stdio.h>
#include <ctype.h>
#include <errno.h>

#ifdef NEED_STRERROR
extern char	*strerror();
#  if !defined(__bsdi__) && !defined(__NetBSD__) && !defined(__GNU_LIBRARY__)
      extern int	errno;
      extern int	sys_nerr;
#     if ( !(defined(BSD) && (BSD - 0 >= 199306)) && !defined(__NetBSD__) && \
	   !defined(__GNU_LIBRARY__) && !defined(__FreeBSD__) && !defined(__GLIBC__))
	 extern char    *sys_errlist[];
#     endif
#  endif
#endif /* NEED_STRERROR */

extern char    *mktemp();

#include <math.h>	/* for sin(), cos() etc */

#include <X11/Xlib.h>
#include <X11/Intrinsic.h>

#include <X11/Xos.h>

/* for those who have an older (R4) Xos.h, we need to include unistd.h here */

/*
 * Get open(2) constants
 */
#ifdef X_NOT_POSIX
#include <fcntl.h>
#ifdef USL
#include <unistd.h>
#endif /* USL */
#ifdef CRAY
#include <unistd.h>
#endif /* CRAY */
#ifdef MOTOROLA
#include <unistd.h>
#endif /* MOTOROLA */
#ifdef SYSV386
#include <unistd.h>
#endif /* SYSV386 */
#include <sys/file.h>
#else /* X_NOT_POSIX */
#if !defined(_POSIX_SOURCE) && defined(macII)
#define _POSIX_SOURCE
#include <fcntl.h>
#undef _POSIX_SOURCE
#else
#include <fcntl.h>
#endif
#include <unistd.h>
#endif /* X_NOT_POSIX else */

#if XtSpecificationRelease > 4
#include <X11/Xfuncs.h>
#else

/* The following is just a copy of X11/Xosdefs.h and X11/Xfuncs.h (and copyright
   notice).  I include it here so xfig can still be compiled under X11R4, since
   these files only comes with R5, and I'd like people to still be able to 
   compile xfig under R4. */

/*
 * O/S-dependent (mis)feature macro definitions
 *
 * $XConsortium: Xosdefs.h,v 1.7 91/07/19 23:22:19 rws Exp $
 *
 * Copyright 1991 Massachusetts Institute of Technology
 *
 * Any party obtaining a copy of these files is granted, free of charge, a
 * full and unrestricted irrevocable, world-wide, paid up, royalty-free,
 * nonexclusive right and license to deal in this software and
 * documentation files (the "Software"), including without limitation the
 * rights to use, copy, modify, merge, publish and/or distribute copies of
 * the Software, and to permit persons who receive copies from any such 
 * party to do so, with the only requirement being that this copyright 
 * notice remain intact.
 *
 * M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL M.I.T.
 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef _XOSDEFS_H_
#define _XOSDEFS_H_

/*
 * X_NOT_STDC_ENV means does not have ANSI C header files.  Lack of this
 * symbol does NOT mean that the system has stdarg.h.
 *
 * X_NOT_POSIX means does not have POSIX header files.  Lack of this
 * symbol does NOT mean that the POSIX environment is the default.
 * You may still have to define _POSIX_SOURCE to get it.
 */

#ifdef NOSTDHDRS
#define X_NOT_POSIX
#define X_NOT_STDC_ENV
#endif

#ifdef sony
#ifndef SYSTYPE_SYSV
#define X_NOT_POSIX
#endif
#endif

#ifdef UTEK
#define X_NOT_POSIX
#define X_NOT_STDC_ENV
#endif

#ifdef CRAY
#define X_NOT_POSIX
#endif

#ifdef vax
#ifndef ultrix			/* assume vanilla BSD */
#define X_NOT_POSIX
#define X_NOT_STDC_ENV
#endif
#endif

#ifdef luna
#define X_NOT_POSIX
#define X_NOT_STDC_ENV
#endif

#ifdef Mips
#define X_NOT_POSIX
#define X_NOT_STDC_ENV
#endif
  
#ifdef USL
#ifdef SYSV /* (release 3.2) */
#define X_NOT_POSIX
#define X_NOT_STDC_ENV
#endif
#endif

#ifdef SYSV386
#ifdef SYSV
#define X_NOT_POSIX
#define X_NOT_STDC_ENV
#endif
#endif

#ifdef MOTOROLA
#ifdef SYSV
#define X_NOT_STDC_ENV
#endif
#endif

#endif /* _XOSDEFS_H_ */
/*
 * $XConsortium: Xfuncs.h,v 1.8 91/04/17 09:27:52 rws Exp $
 * 
 * Copyright 1990 by the Massachusetts Institute of Technology
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose and 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, and that the name of M.I.T. not be used in advertising
 * or publicity pertaining to distribution of the software without specific, 
 * written prior permission. M.I.T. makes no representations about the 
 * suitability of this software for any purpose.  It is provided "as is"
 * without express or implied warranty.
 *
 */

#ifndef _XFUNCS_H_
#define _XFUNCS_H_

#ifdef X_USEBFUNCS
void bcopy();
void bzero();
int bcmp();
#else
#if (__STDC__ && !defined(X_NOT_STDC_ENV) && !defined(sun) && !defined(macII)) || defined(SVR4) || defined(hpux) || defined(_IBMR2)
#include <string.h>
#define bcopy(b1,b2,len) memmove(b2, b1, (size_t)(len))
#define bzero(b,len) memset(b, 0, (size_t)(len))
#define bcmp(b1,b2,len) memcmp(b1, b2, (size_t)(len))
#else
#ifdef sgi
#include <bstring.h>
#else
#ifdef SYSV
#include <memory.h>
#if defined(_XBCOPYFUNC) && !defined(macII)
#define bcopy _XBCOPYFUNC
#define _XNEEDBCOPYFUNC
#endif
void bcopy();
#define bzero(b,len) memset(b, 0, len)
#define bcmp(b1,b2,len) memcmp(b1, b2, len)
#else /* bsd */
void bcopy();
void bzero();
int bcmp();
#endif /* SYSV */
#endif /* sgi */
#endif /* __STDC__ and relatives */
#endif /* X_USEBFUNCS */

#endif /* _XFUNCS_H_ */

#endif /* XtSpecificationRelease > 4 */

#ifdef X_NOT_STDC_ENV
#ifdef SYSV
#include <string.h>
#else  /* NOT SYSV */
#include <strings.h>
#ifndef strchr
#define strchr index
#endif
#ifndef strrchr
#define strrchr rindex
#endif
#endif  /* SYSV */
#endif  /* X_NOT_STDC_ENV */

#if defined(SYSV) && defined(SYSV386)
#if defined(__STDC__)
#ifdef ISC
extern double atof(char const *);
#endif  /* ISC */
#ifdef SCO
#ifdef SCO324
#include <stdlib.h>   /* for atof() and getenv(), maybe required for all SCO's ? */
#else /* NOT SCO 3.2r4 */
extern double atof(const char *);
#endif /* SCO 3.2r4 */
#else  /* NOT SCO */
extern double atof();
#endif /* SCO */
#else  /* NOT __STDC__ */
extern double atof();
#endif /* __STDC__ */
#else  /* NOT defined(SYSV) && defined(SYSV386) */
#ifdef X_NOT_STDC_ENV
#if defined(ultrix) || defined(sun) && !defined(sparc) || defined(titan) || \
	(defined(ibm032) && !defined(_AIX))
extern double atof();
extern char *getenv();
#endif /* (sun) !(sparc) (titan) */
#else  /* NOT X_NOT_STDC_ENV */
#include <stdlib.h>	/* for atof() and getenv() */
#endif /* X_NOT_STDC_ENV */
#endif /* defined(SYSV) && defined(SYSV386) */

/* 
#if defined(SYSV) || defined(SVR4) || defined(__osf__) || defined(USE_DIRENT)
#define u_int uint
#define USE_DIRENT
#define DIRSTRUCT	struct dirent
#else
#define DIRSTRUCT	struct direct
#endif
*/
#ifdef HAVE_NO_DIRENT
#define DIRSTRUCT struct direct
#else
#define DIRSTRUCT struct dirent
#endif

/* taken from the X11R5 server/os/osfonts.c file */
#ifndef X_NOT_POSIX
#ifdef _POSIX_SOURCE
#include <limits.h>
#else
#if !defined(sun) || defined(sparc) || (defined(SVR4) && defined(i386))
#define _POSIX_SOURCE
#include <limits.h>
#undef _POSIX_SOURCE
#endif /* !defined(sun) || defined(sparc) */
#endif /* _POSIX_SOURCE */
#endif /* X_NOT_POSIX */

/* define PATH_MAX if not already defined */
#ifndef PATH_MAX
#include <sys/param.h>
#ifdef MAXPATHLEN
#define PATH_MAX MAXPATHLEN
#else
#define PATH_MAX 1024
#endif /* MAXPATHLEN */
#endif /* PATH_MAX */

/* use my own PI because GNUC has a long double and others have something else */
#undef M_PI
#undef M_PI_2
#undef M_2PI
#define M_PI	3.14159265358979323846
#define M_PI_2	1.57079632679489661923
#define M_2PI	6.28318530717958647692

#define		min2(a, b)	(((a) < (b)) ? (a) : (b))
#define		max2(a, b)	(((a) > (b)) ? (a) : (b))
#define		min3(a,b,c)	((((a<b)?a:b)<c)?((a<b)?a:b):c)
#define		max3(a,b,c)	((((a>b)?a:b)>c)?((a>b)?a:b):c)
#define		round(a)	(int)(((a)<0.0)?(a)-.5:(a)+.5)
#define		signof(a)	(((a) < 0) ? -1 : 1)

#ifdef USE_INLINE
#define INLINE __inline
#else
#define INLINE
#endif /* USE_INLINE */

#endif /* FIG_H */

#ifdef NOSTRSTR
extern char *strstr();
#endif

#if defined(SYSV) || defined(SVR4)
extern	void		srand48();
extern	long		lrand48();
extern	double		drand48();
#define	srandom(seed)	srand48((seed))
#define	random()	lrand48()
#define	frandom()	drand48()

#elif defined(BSD)  /* not SYSV/SVR4, check for BSD */
#define	srandom(seed)	srand48((long)(seed))
#define	random()	lrand48()
#define	frandom()	drand48()

#elif (defined(linux) && !defined(glibc) && !defined(__GLIBC__))
extern	long		random();
extern	void		srandom(unsigned int);

#elif !defined(__osf__) && !defined(__CYGWIN__)
extern	void		srandom();

#endif

#ifndef frandom
#define	frandom()	(random()*(1./2147483648.))
#endif
