/*********************************************************** 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. ******************************************************************/ #ifndef MISC_H #define MISC_H 1 /* * X internal definitions * */ #include <X11/Xosdefs.h> #include <X11/Xfuncproto.h> #include <X11/Xmd.h> #include <X11/X.h> #include <X11/Xdefs.h> #include <stddef.h> #ifndef MAXSCREENS #define MAXSCREENS 16 #endif #define MAXCLIENTS 256 #define MAXEXTENSIONS 128 #define MAXFORMATS 8 #define MAXDEVICES 40 /* input devices */ #define EXTENSION_EVENT_BASE 64 #define EXTENSION_BASE 128 typedef unsigned long PIXEL; typedef unsigned long ATOM; #ifndef TRUE #define TRUE 1 #define FALSE 0 #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)) #undef min #undef max #define min(a, b) (((a) < (b)) ? (a) : (b)) #define max(a, b) (((a) > (b)) ? (a) : (b)) /* abs() is a function, not a macro; include the file declaring * it in case we haven't done that yet. */ #include <stdlib.h> #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)) /* XXX Not for modules */ #include <limits.h> #if !defined(MAXSHORT) || !defined(MINSHORT) || \ !defined(MAXINT) || !defined(MININT) /* * Some implementations #define these through <math.h>, so preclude * #include'ing it later. */ #include <math.h> #undef MAXSHORT #define MAXSHORT 32767 #undef MINSHORT #define MINSHORT -32768 #undef MAXINT #define MAXINT INT_MAX #undef MININT #define MININT INT_MIN #include <assert.h> #include <ctype.h> #include <stdio.h> /* for fopen, etc... */ #endif /** * Calculate the number of bytes needed to hold bits. * @param bits The minimum number of bits needed. * @return The number of bytes needed to hold bits. */ static __inline int bits_to_bytes(const int bits) { return ((bits + 7) >> 3); } /** * Calculate the number of 4-byte units needed to hold the given number of * bytes. * @param bytes The minimum number of bytes needed. * @return The number of 4-byte units needed to hold bytes. */ static __inline int bytes_to_int32(const int bytes) { return (((bytes) + 3) >> 2); } /** * Calculate the number of bytes (in multiples of 4) needed to hold bytes. * @param bytes The minimum number of bytes needed. * @return The closest multiple of 4 that is equal or higher than bytes. */ static __inline int pad_to_int32(const int bytes) { return (((bytes) + 3) & ~3); } /* 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 _X_EXPORT void SwapLongs( CARD32 *list, unsigned long count); extern _X_EXPORT void SwapShorts( short *list, unsigned long count); extern _X_EXPORT void MakePredeclaredAtoms(void); extern _X_EXPORT int Ones( unsigned long /*mask*/); typedef struct _xPoint *DDXPointPtr; typedef struct pixman_box16 *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 extern _X_EXPORT unsigned long globalSerialNumber; extern _X_EXPORT unsigned long serverGeneration; #endif /* MISC_H */