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