Initial import of the CDE 2.1.30 sources from the Open Group.

cde/programs/dtudcfonted/libfal/include/misc.h

@@ -0,0 +1,163 @@
+/* $XConsortium: misc.h /main/7 1996/04/08 15:58:10 cde-fuj $ */
+/***********************************************************
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts,
+and the Massachusetts Institute of Technology, Cambridge, 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 names of Digital or MIT 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.
+
+(c) Copyright 1995 FUJITSU LIMITED
+This is source code modified by FUJITSU LIMITED under the Joint
+Development Agreement for the CDEnext PST.
+This is unpublished proprietary source code of FUJITSU LIMITED
+
+******************************************************************/
+#ifndef MISC_H
+#define MISC_H 1
+/*
+ *  X internal definitions 
+ *
+ */
+
+
+extern unsigned long globalSerialNumber;
+extern unsigned long serverGeneration;
+
+#ifndef NULL
+#if __STDC__ && !NOSTDHDRS
+#include <stddef.h>
+#else
+#define NULL            0
+#endif
+#endif
+
+#ifdef __uxp__
+#define MAXSCREENS	5
+#else /* !__uxp__ */
+#define MAXSCREENS	3
+#endif /* !__uxp__ */
+#define MAXCLIENTS	128
+#define MAXFORMATS	8
+#define MAXVISUALS_PER_SCREEN 50
+
+typedef unsigned char *pointer;
+typedef int Bool;
+typedef unsigned long PIXEL;
+typedef unsigned long ATOM;
+
+
+#ifndef TRUE
+#define TRUE 1
+#define FALSE 0
+#endif
+#include "os.h" 	/* for ALLOCATE_LOCAL and DEALLOCATE_LOCAL */
+
+#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 long 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))
+
+#define MAXSHORT 32767
+#define MINSHORT -MAXSHORT 
+
+
+/* some macros to help swap requests, replies, and events */
+
+#define LengthRestB(stuff) \
+    (((unsigned long)stuff->length << 2) - sizeof(*stuff))
+
+#define LengthRestS(stuff) \
+    (((unsigned long)stuff->length << 1) - (sizeof(*stuff) >> 1))
+
+#define LengthRestL(stuff) \
+    ((unsigned long)stuff->length - (sizeof(*stuff) >> 2))
+
+#define SwapRestS(stuff) \
+    SwapShorts((short *)(stuff + 1), LengthRestS(stuff))
+
+#define SwapRestL(stuff) \
+    SwapLongs((long *)(stuff + 1), LengthRestL(stuff))
+
+/* byte swap a long */
+#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 long 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();
+extern void SwapShorts();
+
+typedef struct _DDXPoint *DDXPointPtr;
+typedef struct _Box *BoxPtr;
+
+#endif /* MISC_H */