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Diffstat (limited to 'include/misc.h')
| -rw-r--r-- | include/misc.h | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/include/misc.h b/include/misc.h new file mode 100644 index 000000000..9627810d8 --- /dev/null +++ b/include/misc.h @@ -0,0 +1,271 @@ +/*********************************************************** + +Copyright 1987, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + + +Copyright 1987 by Digital Equipment Corporation, Maynard, 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 name of Digital 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. + +Copyright 1992, 1993 Data General Corporation; +Copyright 1992, 1993 OMRON Corporation + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, 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 +neither the name OMRON or DATA GENERAL be used in advertising or publicity +pertaining to distribution of the software without specific, written prior +permission of the party whose name is to be used. Neither OMRON or +DATA GENERAL make any representation about the suitability of this software +for any purpose. It is provided "as is" without express or implied warranty. + +OMRON AND DATA GENERAL EACH DISCLAIM ALL WARRANTIES WITH REGARD TO THIS +SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, +IN NO EVENT SHALL OMRON OR DATA GENERAL 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. + +******************************************************************/ +/* $Xorg: misc.h,v 1.5 2001/02/09 02:05:15 xorgcvs Exp $ */ +#ifndef MISC_H +#define MISC_H 1 +/* + * X internal definitions + * + */ + +extern unsigned long globalSerialNumber; +extern unsigned long serverGeneration; + +#include <X11/Xosdefs.h> +#include <X11/Xfuncproto.h> +#include <X11/Xmd.h> +#include <X11/X.h> + +#ifndef NULL +#ifndef X_NOT_STDC_ENV +#include <stddef.h> +#else +#define NULL 0 +#endif +#endif + +#ifndef MAXSCREENS +#define MAXSCREENS 3 +#endif +#define MAXCLIENTS 256 +#define MAXDITS 1 +#define MAXEXTENSIONS 128 +#define MAXFORMATS 8 +#define MAXVISUALS_PER_SCREEN 50 + +#if NeedFunctionPrototypes +typedef void *pointer; +#else +typedef unsigned char *pointer; +#endif +typedef int Bool; +typedef unsigned long PIXEL; +typedef unsigned long ATOM; + + +#ifndef TRUE +#define TRUE 1 +#define FALSE 0 +#endif + +#ifndef _XTYPEDEF_FONTPTR +typedef struct _Font *FontPtr; /* also in fonts/include/font.h */ +#define _XTYPEDEF_FONTPTR +#endif + +#ifndef _XTYPEDEF_CLIENTPTR +typedef struct _Client *ClientPtr; /* also in dix.h */ +#define _XTYPEDEF_CLIENTPTR +#endif + +#ifndef _XTYPEDEF_CALLBACKLISTPTR +typedef struct _CallbackList *CallbackListPtr; /* also in dix.h */ +#define _XTYPEDEF_CALLBACKLISTPTR +#endif + +typedef struct _xReq *xReqPtr; + +#include "os.h" /* for ALLOCATE_LOCAL and DEALLOCATE_LOCAL */ +#include <X11/Xfuncs.h> /* for bcopy, bzero, and bcmp */ + +#define NullBox ((BoxPtr)0) +#define MILLI_PER_MIN (1000 * 60) +#define MILLI_PER_SECOND (1000) + + /* this next is used with None and ParentRelative to tell + PaintWin() what to use to paint the background. Also used + in the macro IS_VALID_PIXMAP */ + +#define USE_BACKGROUND_PIXEL 3 +#define USE_BORDER_PIXEL 3 + + +/* byte swap a 32-bit literal */ +#define lswapl(x) ((((x) & 0xff) << 24) |\ + (((x) & 0xff00) << 8) |\ + (((x) & 0xff0000) >> 8) |\ + (((x) >> 24) & 0xff)) + +/* byte swap a short literal */ +#define lswaps(x) ((((x) & 0xff) << 8) | (((x) >> 8) & 0xff)) + +#define min(a, b) (((a) < (b)) ? (a) : (b)) +#define max(a, b) (((a) > (b)) ? (a) : (b)) +#ifndef abs +#define abs(a) ((a) > 0 ? (a) : -(a)) +#endif +#ifndef Fabs +#define Fabs(a) ((a) > 0.0 ? (a) : -(a)) /* floating absolute value */ +#endif +#define sign(x) ((x) < 0 ? -1 : ((x) > 0 ? 1 : 0)) +/* this assumes b > 0 */ +#define modulus(a, b, d) if (((d) = (a) % (b)) < 0) (d) += (b) +/* + * return the least significant bit in x which is set + * + * This works on 1's complement and 2's complement machines. + * If you care about the extra instruction on 2's complement + * machines, change to ((x) & (-(x))) + */ +#define lowbit(x) ((x) & (~(x) + 1)) + +#ifndef MAXSHORT +#define MAXSHORT 32767 +#endif +#ifndef MINSHORT +#define MINSHORT -MAXSHORT +#endif + + +/* some macros to help swap requests, replies, and events */ + +#define LengthRestB(stuff) \ + ((client->req_len << 2) - sizeof(*stuff)) + +#define LengthRestS(stuff) \ + ((client->req_len << 1) - (sizeof(*stuff) >> 1)) + +#define LengthRestL(stuff) \ + (client->req_len - (sizeof(*stuff) >> 2)) + +#define SwapRestS(stuff) \ + SwapShorts((short *)(stuff + 1), LengthRestS(stuff)) + +#define SwapRestL(stuff) \ + SwapLongs((CARD32 *)(stuff + 1), LengthRestL(stuff)) + +/* byte swap a 32-bit value */ +#define swapl(x, n) { \ + n = ((char *) (x))[0];\ + ((char *) (x))[0] = ((char *) (x))[3];\ + ((char *) (x))[3] = n;\ + n = ((char *) (x))[1];\ + ((char *) (x))[1] = ((char *) (x))[2];\ + ((char *) (x))[2] = n; } + +/* byte swap a short */ +#define swaps(x, n) { \ + n = ((char *) (x))[0];\ + ((char *) (x))[0] = ((char *) (x))[1];\ + ((char *) (x))[1] = n; } + +/* copy 32-bit value from src to dst byteswapping on the way */ +#define cpswapl(src, dst) { \ + ((char *)&(dst))[0] = ((char *) &(src))[3];\ + ((char *)&(dst))[1] = ((char *) &(src))[2];\ + ((char *)&(dst))[2] = ((char *) &(src))[1];\ + ((char *)&(dst))[3] = ((char *) &(src))[0]; } + +/* copy short from src to dst byteswapping on the way */ +#define cpswaps(src, dst) { \ + ((char *) &(dst))[0] = ((char *) &(src))[1];\ + ((char *) &(dst))[1] = ((char *) &(src))[0]; } + +extern void SwapLongs( +#if NeedFunctionPrototypes + CARD32 *list, + unsigned long count +#endif +); + +extern void SwapShorts( +#if NeedFunctionPrototypes + short *list, + unsigned long count +#endif +); + +extern int MakePredeclaredAtoms( +#if NeedFunctionPrototypes + void +#endif +); + +extern int Ones( +#if NeedFunctionPrototypes + unsigned long /*mask*/ +#endif +); + +typedef struct _xPoint *DDXPointPtr; +typedef struct _Box *BoxPtr; +typedef struct _xEvent *xEventPtr; +typedef struct _xRectangle *xRectanglePtr; +typedef struct _GrabRec *GrabPtr; + +/* typedefs from other places - duplicated here to minimize the amount + * of unnecessary junk that one would normally have to include to get + * these symbols defined + */ + +#ifndef _XTYPEDEF_CHARINFOPTR +typedef struct _CharInfo *CharInfoPtr; /* also in fonts/include/font.h */ +#define _XTYPEDEF_CHARINFOPTR +#endif + +#endif /* MISC_H */ |