/*********************************************************** 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 #include #include #include #ifndef NULL #ifndef X_NOT_STDC_ENV #include #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 /* 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 */