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-rw-r--r--xorg-server/include/misc.h592
1 files changed, 302 insertions, 290 deletions
diff --git a/xorg-server/include/misc.h b/xorg-server/include/misc.h
index 0717db64d..42f225b17 100644
--- a/xorg-server/include/misc.h
+++ b/xorg-server/include/misc.h
@@ -1,290 +1,302 @@
-/***********************************************************
-
-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 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
-
-/**
- * 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);
-
-/* 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>
+
+#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);
+
+/* 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 */