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INCLUDE.SNF
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OS.H
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1992-04-07
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/***********************************************************
Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts,
and the Massachusetts Institute of Technology, Cambridge, Massachusetts.
All Rights Reserved
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 names of Digital or MIT not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
DIGITAL 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.
******************************************************************/
/* $XConsortium: os.h,v 1.39 89/12/06 16:41:26 rws Exp $ */
#ifndef OS_H
#define OS_H
#include "misc.h"
#ifdef INCLUDE_ALLOCA_H
#include <alloca.h>
#endif
#define NullFID ((FID) 0)
#define SCREEN_SAVER_ON 0
#define SCREEN_SAVER_OFF 1
#define SCREEN_SAVER_FORCER 2
#if defined(stellar)
#define MAX_REQUEST_SIZE 65535
#else
#define MAX_REQUEST_SIZE 16384
#endif
typedef pointer FID;
typedef struct _FontPathRec *FontPathPtr;
typedef struct _NewClientRec *NewClientPtr;
#ifndef NO_ALLOCA
/*
* os-dependent definition of local allocation and deallocation
* If you want something other than Xalloc/Xfree for ALLOCATE/DEALLOCATE
* LOCAL then you add that in here.
*/
#if defined(__HIGHC__)
extern char *alloca();
#if HCVERSION < 21003
#define ALLOCATE_LOCAL(size) alloca((int)(size))
pragma on(alloca);
#else /* HCVERSION >= 21003 */
#define ALLOCATE_LOCAL(size) _Alloca((int)(size))
#endif /* HCVERSION < 21003 */
#define DEALLOCATE_LOCAL(ptr) /* as nothing */
#endif /* defined(__HIGHC__) */
#ifdef __GNUC__
#define alloca __builtin_alloca
#define ALLOCATE_LOCAL(size) alloca((int)(size))
#define DEALLOCATE_LOCAL(ptr) /* as nothing */
#else /* ! __GNUC__ */
/*
* warning: mips alloca is unsuitable in the server, do not use.
*/
#if defined(vax) || defined(sun) || defined(apollo) || defined(stellar)
/*
* Some System V boxes extract alloca.o from /lib/libPW.a; if you
* decide that you don't want to use alloca, you might want to fix
* ../os/4.2bsd/Imakefile
*/
char *alloca();
#define ALLOCATE_LOCAL(size) alloca((int)(size))
#define DEALLOCATE_LOCAL(ptr) /* as nothing */
#endif /* who does alloca */
#endif /* __GNUC__ */
#endif /* NO_ALLOCA */
#ifndef ALLOCATE_LOCAL
#define ALLOCATE_LOCAL(size) Xalloc((unsigned long)(size))
#define DEALLOCATE_LOCAL(ptr) Xfree((pointer)(ptr))
#endif /* ALLOCATE_LOCAL */
#define xalloc(size) Xalloc((unsigned long)(size))
#define xrealloc(ptr, size) Xrealloc((pointer)(ptr), (unsigned long)(size))
#define xfree(ptr) Xfree((pointer)(ptr))
int ReadRequestFromClient();
char *strcat();
char *strncat();
char *strcpy();
char *strncpy();
Bool CloseDownConnection();
FontPathPtr GetFontPath();
FontPathPtr ExpandFontNamePattern();
FID FiOpenForRead();
void CreateWellKnownSockets();
int SetDefaultFontPath();
void FreeFontRecord();
int SetFontPath();
void ErrorF();
void Error();
void FatalError();
void ProcessCommandLine();
void Xfree();
void FlushAllOutput();
void FlushIfCriticalOutputPending();
unsigned long *Xalloc();
unsigned long *Xrealloc();
long GetTimeInMillis();
#endif /* OS_H */