archie/tk3.6/tkConfig.h

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2024-05-27 16:13:40 +02:00
/*
* tkConfig.h --
*
* This file is included by all of the Tk C files. It contains
* information that may be configuration-dependent, such as
* #includes for system include files and a few other things.
*
* Copyright (c) 1991-1993 The Regents of the University of California.
* All rights reserved.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
* OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
* CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* $Header: /user6/ouster/wish/RCS/tkConfig.h,v 1.33 93/08/27 08:17:58 ouster Exp $ SPRITE (Berkeley)
*/
#ifndef _TKCONFIG
#define _TKCONFIG
/*
* Macro to use instead of "void" for arguments that must have
* type "void *" in ANSI C; maps them to type "char *" in
* non-ANSI systems. This macro may be used in some of the include
* files below, which is why it is defined here.
*/
#ifndef VOID
# ifdef __STDC__
# define VOID void
# else
# define VOID char
# endif
#endif
#include <stdio.h>
#include <ctype.h>
#include <fcntl.h>
#include <math.h>
#include <pwd.h>
#ifdef NO_STDLIB_H
# include "compat/stdlib.h"
#else
# include <stdlib.h>
#endif
#include <string.h>
#include <sys/types.h>
#include <sys/file.h>
#ifdef HAVE_SYS_SELECT_H
# include <sys/select.h>
#endif
#include <sys/stat.h>
#include <sys/time.h>
#ifndef _TCL
# include <tcl.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#else
# include "compat/unistd.h"
#endif
#include <X11/Xlib.h>
#include <X11/cursorfont.h>
#include <X11/keysym.h>
#include <X11/Xatom.h>
#include <X11/Xproto.h>
#include <X11/Xresource.h>
#include <X11/Xutil.h>
/*
* Not all systems declare the errno variable in errno.h. so this
* file does it explicitly.
*/
extern int errno;
/*
* Define OPEN_MAX if it isn't already defined for this system.
*/
#ifndef OPEN_MAX
# define OPEN_MAX 256
#endif
/*
* The following macro defines the type of the mask arguments to
* select:
*/
#ifndef NO_FD_SET
# define SELECT_MASK fd_set
#else
# ifndef _AIX
typedef long fd_mask;
# endif
# if defined(_IBMR2)
# define SELECT_MASK void
# else
# define SELECT_MASK int
# endif
#endif
/*
* Define "NBBY" (number of bits per byte) if it's not already defined.
*/
#ifndef NBBY
# define NBBY 8
#endif
/*
* The following macro defines the number of fd_masks in an fd_set:
*/
#if !defined(howmany)
# define howmany(x, y) (((x)+((y)-1))/(y))
#endif
#ifdef NFDBITS
# define MASK_SIZE howmany(FD_SETSIZE, NFDBITS)
#else
# define MASK_SIZE howmany(OPEN_MAX, NBBY*sizeof(fd_mask))
#endif
/*
* Substitute Tcl's own versions for several system calls. The
* Tcl versions retry automatically if interrupted by signals.
*/
#define open(a,b,c) TclOpen(a,b,c)
#define read(a,b,c) TclRead(a,b,c)
#define waitpid(a,b,c) TclWaitpid(a,b,c)
#define write(a,b,c) TclWrite(a,b,c)
EXTERN int TclOpen _ANSI_ARGS_((char *path, int oflag, mode_t mode));
EXTERN int TclRead _ANSI_ARGS_((int fd, VOID *buf,
unsigned int numBytes));
EXTERN int TclWaitpid _ANSI_ARGS_((pid_t pid, int *statPtr, int options));
EXTERN int TclWrite _ANSI_ARGS_((int fd, VOID *buf,
unsigned int numBytes));
/*
* Declarations for various library procedures that may not be declared
* in any other header file.
*/
extern void panic();
#ifndef HAVE_SYS_SELECT_H
extern int select _ANSI_ARGS_((int nfds, SELECT_MASK *readfds,
SELECT_MASK *writefds, SELECT_MASK *exceptfds,
struct timeval *timeout));
#endif
#endif /* _TKCONFIG */