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-rw-r--r--nx-X11/programs/Xserver/include/misc.h207
1 files changed, 169 insertions, 38 deletions
diff --git a/nx-X11/programs/Xserver/include/misc.h b/nx-X11/programs/Xserver/include/misc.h
index 5944a427f..27137cd50 100644
--- a/nx-X11/programs/Xserver/include/misc.h
+++ b/nx-X11/programs/Xserver/include/misc.h
@@ -1,4 +1,3 @@
-/* $XFree86: xc/programs/Xserver/include/misc.h,v 3.28 2001/12/14 19:59:55 dawes Exp $ */
/***********************************************************
Copyright 1987, 1998 The Open Group
@@ -66,7 +65,6 @@ 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
/*
@@ -77,17 +75,30 @@ OF THIS SOFTWARE.
extern unsigned long globalSerialNumber;
extern unsigned long serverGeneration;
-#include <X11/Xosdefs.h>
-#include <X11/Xfuncproto.h>
-#include <X11/Xmd.h>
-#include <X11/X.h>
-#include <X11/Xdefs.h>
+#include <nx-X11/Xosdefs.h>
+#include <nx-X11/Xfuncproto.h>
+#include <nx-X11/Xmd.h>
+#include <nx-X11/X.h>
+#include <stdint.h>
+
+#ifndef _XTYPEDEF_POINTER
+/* Don't let Xdefs.h define 'pointer' */
+#define _XTYPEDEF_POINTER 1
+#endif /* _XTYPEDEF_POINTER */
+
+/* FIXME: for building this code against Xlib versions older than apprx. 04/2014
+ * we still have to define the pointer type via Xdefs.h.
+ *
+ * The nx-libs code itself does not require the pointer definition.
+ *
+ */
+#undef _XTYPEDEF_POINTER
+
+#include <nx-X11/Xdefs.h>
-#ifndef IN_MODULE
#ifndef NULL
#include <stddef.h>
#endif
-#endif
#ifndef MAXSCREENS
#define MAXSCREENS 16
@@ -115,9 +126,7 @@ typedef struct _CallbackList *CallbackListPtr; /* also in dix.h */
typedef struct _xReq *xReqPtr;
#include "os.h" /* for ALLOCATE_LOCAL and DEALLOCATE_LOCAL */
-#ifndef IN_MODULE
-#include <X11/Xfuncs.h> /* for bcopy, bzero, and bcmp */
-#endif
+#include <nx-X11/Xfuncs.h> /* for bcopy, bzero, and bcmp */
#define NullBox ((BoxPtr)0)
#define MILLI_PER_MIN (1000 * 60)
@@ -145,12 +154,10 @@ typedef struct _xReq *xReqPtr;
#define min(a, b) (((a) < (b)) ? (a) : (b))
#define max(a, b) (((a) > (b)) ? (a) : (b))
-#ifndef IN_MODULE
/* abs() is a function, not a macro; include the file declaring
* it in case we haven't done that yet.
*/
#include <stdlib.h>
-#endif /* IN_MODULE */
#ifndef Fabs
#define Fabs(a) ((a) > 0.0 ? (a) : -(a)) /* floating absolute value */
#endif
@@ -166,7 +173,6 @@ typedef struct _xReq *xReqPtr;
*/
#define lowbit(x) ((x) & (~(x) + 1))
-#ifndef IN_MODULE
/* XXX Not for modules */
#include <limits.h>
#if !defined(MAXSHORT) || !defined(MINSHORT) || \
@@ -191,7 +197,57 @@ typedef struct _xReq *xReqPtr;
#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);
+}
+
+/**
+ * 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(uint32_t a_major, uint32_t a_minor,
+ uint32_t b_major, uint32_t b_minor)
+{
+ if (a_major > b_major)
+ return 1;
+ if (a_major < b_major)
+ return -1;
+ if (a_minor > b_minor)
+ return 1;
+ if (a_minor < b_minor)
+ return -1;
+
+ return 0;
+}
/* some macros to help swap requests, replies, and events */
@@ -210,32 +266,107 @@ typedef struct _xReq *xReqPtr;
#define SwapRestL(stuff) \
SwapLongs((CARD32 *)(stuff + 1), LengthRestL(stuff))
+#if defined(__GNUC__) && ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
+void __attribute__ ((error("wrong sized variable passed to swap")))
+wrong_size(void);
+#else
+static inline void
+wrong_size(void)
+{
+}
+#endif
+
+#if !(defined(__GNUC__) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590)))
+static inline int
+__builtin_constant_p(int x)
+{
+ return 0;
+}
+#endif
+
+/* byte swap a 64-bit value */
+static inline void
+swap_uint64(uint64_t *x)
+{
+ char n;
+
+ n = ((char *) x)[0];
+ ((char *) x)[0] = ((char *) x)[7];
+ ((char *) x)[7] = n;
+
+ n = ((char *) x)[1];
+ ((char *) x)[1] = ((char *) x)[6];
+ ((char *) x)[6] = n;
+
+ n = ((char *) x)[2];
+ ((char *) x)[2] = ((char *) x)[5];
+ ((char *) x)[5] = n;
+
+ n = ((char *) x)[3];
+ ((char *) x)[3] = ((char *) x)[4];
+ ((char *) x)[4] = n;
+}
+
+#define swapll(x) do { \
+ if (sizeof(*(x)) != 8) \
+ wrong_size(); \
+ swap_uint64((uint64_t *)(x)); \
+ } while (0)
+
/* 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; }
+static inline void
+swap_uint32(uint32_t * x)
+{
+ char 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;
+}
+
+#define swapl(x) do { \
+ if (sizeof(*(x)) != 4) \
+ wrong_size(); \
+ if (__builtin_constant_p((uintptr_t)(x) & 3) && ((uintptr_t)(x) & 3) == 0) \
+ *(x) = lswapl(*(x)); \
+ else \
+ swap_uint32((uint32_t *)(x)); \
+ } while (0)
+
+/* byte swap a 16-bit value */
+static inline void
+swap_uint16(uint16_t * x)
+{
+ char n = ((char *) x)[0];
+
+ ((char *) x)[0] = ((char *) x)[1];
+ ((char *) x)[1] = n;
+}
+
+#define swaps(x) do { \
+ if (sizeof(*(x)) != 2) \
+ wrong_size(); \
+ if (__builtin_constant_p((uintptr_t)(x) & 1) && ((uintptr_t)(x) & 1) == 0) \
+ *(x) = lswaps(*(x)); \
+ else \
+ swap_uint16((uint16_t *)(x)); \
+ } while (0)
/* 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]; }
+#define cpswapl(src, dst) do { \
+ if (sizeof((src)) != 4 || sizeof((dst)) != 4) \
+ wrong_size(); \
+ (dst) = lswapl((src)); \
+ } while (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]; }
+#define cpswaps(src, dst) do { \
+ if (sizeof((src)) != 2 || sizeof((dst)) != 2) \
+ wrong_size(); \
+ (dst) = lswaps((src)); \
+ } while (0)
extern void SwapLongs(
CARD32 *list,
@@ -251,7 +382,7 @@ extern int Ones(
unsigned long /*mask*/);
typedef struct _xPoint *DDXPointPtr;
-typedef struct _Box *BoxPtr;
+typedef struct pixman_box16 *BoxPtr;
typedef struct _xEvent *xEventPtr;
typedef struct _xRectangle *xRectanglePtr;
typedef struct _GrabRec *GrabPtr;
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-15 11:41:13 +0000