diff options
Diffstat (limited to 'xorg-server/include/misc.h')
| -rw-r--r-- | xorg-server/include/misc.h | 645 |
1 files changed, 325 insertions, 320 deletions
diff --git a/xorg-server/include/misc.h b/xorg-server/include/misc.h index bdcc8cc1e..ba3776079 100644 --- a/xorg-server/include/misc.h +++ b/xorg-server/include/misc.h @@ -1,320 +1,325 @@ -/*********************************************************** - -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> -#include <stdint.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 uint32_t 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 SHRT_MAX -#undef MINSHORT -#define MINSHORT SHRT_MIN -#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 - -#ifndef PATH_MAX -#include <sys/param.h> -#ifndef PATH_MAX -#ifdef MAXPATHLEN -#define PATH_MAX MAXPATHLEN -#else -#define PATH_MAX 1024 -#endif -#endif -#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); -} - -extern char** -xstrtokenize(const char *str, const char* separators); - -/** - * Compare the two version numbers comprising of major.minor. - * - * @return A value less than 0 if a is less than b, 0 if a is equal to b, - * or a value greater than 0 - */ -static inline int -version_compare(uint16_t a_major, uint16_t a_minor, - uint16_t b_major, uint16_t b_minor) -{ - int a, b; - - a = a_major << 16 | a_minor; - b = b_major << 16 | b_minor; - - return (a - b); -} - -/* 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 */ +/***********************************************************
+
+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>
+#include <stdint.h>
+#include <unistd.h>
+
+#ifdef _MSC_VER
+#define inline __inline
+#endif
+
+#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 uint32_t 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
+
+#ifndef PATH_MAX
+#include <sys/param.h>
+#ifndef PATH_MAX
+#ifdef MAXPATHLEN
+#define PATH_MAX MAXPATHLEN
+#else
+#define PATH_MAX 1024
+#endif
+#endif
+#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);
+}
+
+extern char**
+xstrtokenize(const char *str, const char* separators);
+
+/**
+ * Compare the two version numbers comprising of major.minor.
+ *
+ * @return A value less than 0 if a is less than b, 0 if a is equal to b,
+ * or a value greater than 0
+ */
+static inline int
+version_compare(uint16_t a_major, uint16_t a_minor,
+ uint16_t b_major, uint16_t b_minor)
+{
+ int a, b;
+
+ a = a_major << 16 | a_minor;
+ b = b_major << 16 | b_minor;
+
+ return (a - b);
+}
+
+/* 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 */
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