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EXTENSIO
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GLOBALS.C
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C/C++ Source or Header
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1991-01-24
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2KB
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66 lines
/*
* $XConsortium: globals.c,v 1.1 89/10/03 17:25:16 jim Exp $
*
* Copyright 1989 Massachusetts Institute of Technology
*
*
* Global data
*
* This file should contain only those objects which must be predefined.
*/
#include <X11/Xlib.h>
#include <X11/extensions/Xext.h>
#include <sys/param.h> /* for definition of NULL */
/*
* If possible, it is useful to have the global data default to a null value.
* Some shared library implementations are *much* happier if there isn't any
* global initialized data.
*/
#ifdef NULL_NOT_ZERO /* then need to initialize */
#define SetZero(t,var,z) t var = z
#else
#define SetZero(t,var,z) t var
#endif
#ifdef ATTSHAREDLIB /* then need extra variables */
/*
* If we need to define extra variables for each global
*/
#if defined(__STDC__) && !defined(UNIXCPP) /* then ANSI C concatenation */
#define ZEROINIT(t,var,val) SetZero(t,var,val); \
SetZero (long, _libX_##var##Flag, 0); \
SetZero (void *, _libX_##var##Ptr, NULL)
#else /* else pcc concatenation */
#define ZEROINIT(t,var,val) SetZero(t,var,val); \
SetZero (long, _libX_/**/var/**/Flag, 0); \
SetZero (void *, _libX_/**/var/**/Ptr, NULL)
#endif /* concat ANSI C vs. pcc */
#else /* else not ATTSHAREDLIB */
/*
* no extra crud
*/
#define ZEROINIT(t,var,val) SetZero (t, var, val)
#endif /* ATTSHAREDLIB */
/*
* Error handlers; used to be in XlibInt.c
*/
typedef int (*funcptr)();
ZEROINIT (funcptr, _XExtensionErrorFunction, NULL);
/*
* NOTE: any additional external definition NEED
* to be inserted BELOW this point!!!
*/
/*
* NOTE: any additional external definition NEED
* to be inserted ABOVE this point!!!
*/