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

cde/programs/dtinfo/DtMmdb/utility/macro.h

@@ -0,0 +1,112 @@
+/*
+ * $XConsortium: macro.h /main/4 1996/07/18 14:59:08 drk $
+ *
+ * Copyright (c) 1993 HAL Computer Systems International, Ltd.
+ * All rights reserved.  Unpublished -- rights reserved under
+ * the Copyright Laws of the United States.  USE OF A COPYRIGHT
+ * NOTICE IS PRECAUTIONARY ONLY AND DOES NOT IMPLY PUBLICATION
+ * OR DISCLOSURE.
+ * 
+ * THIS SOFTWARE CONTAINS CONFIDENTIAL INFORMATION AND TRADE
+ * SECRETS OF HAL COMPUTER SYSTEMS INTERNATIONAL, LTD.  USE,
+ * DISCLOSURE, OR REPRODUCTION IS PROHIBITED WITHOUT THE
+ * PRIOR EXPRESS WRITTEN PERMISSION OF HAL COMPUTER SYSTEMS
+ * INTERNATIONAL, LTD.
+ * 
+ *                         RESTRICTED RIGHTS LEGEND
+ * Use, duplication, or disclosure by the Government is subject
+ * to the restrictions as set forth in subparagraph (c)(l)(ii)
+ * of the Rights in Technical Data and Computer Software clause
+ * at DFARS 252.227-7013.
+ *
+ *          HAL COMPUTER SYSTEMS INTERNATIONAL, LTD.
+ *                  1315 Dell Avenue
+ *                  Campbell, CA  95008
+ * 
+ */
+
+
+
+#ifndef _macro_h
+#define _macro_h 1
+
+/* bit manipulation macros */
+#define BIT_TEST(x, y)  ( ((x) & (y)) == (y) )
+#define RESET_BIT(x, y)  x &= (~(y)) 
+#define SET_BIT(x, y)    x |= (y)  
+#define BITS_IN(TYPE)    ( 8*sizeof(TYPE) )
+
+/* comparison macros */
+#define INRANGE(x, low, high) ((x>=low) && (x<=high))  
+
+#undef MIN
+#undef MAX
+
+#define MIN(x, y) (((x) < (y)) ? (x) : (y))
+#define MAX(x, y) (((x) > (y)) ? (x) : (y))
+
+#define TOBOOLEAN(x) ( ((x) == 1 ) ? true : false )
+#define TOBIT(x) ( ((x) == true ) ? 1 : 0 )
+
+/* little endian to/from big endian swap macros. */
+
+#ifndef __osf__
+#define ORDER_SWAP_LONG(x) 			\
+{ 						\
+   long tmp_long = x; 				\
+   ((unsigned char*)&x)[0] = ((unsigned char*)&tmp_long)[3];	\
+   ((unsigned char*)&x)[1] = ((unsigned char*)&tmp_long)[2];	\
+   ((unsigned char*)&x)[2] = ((unsigned char*)&tmp_long)[1];	\
+   ((unsigned char*)&x)[3] = ((unsigned char*)&tmp_long)[0];	\
+} 
+#else
+#define ORDER_SWAP_LONG(x)                      \
+{                                               \
+   long tmp_long = x;                           \
+   ((unsigned char*)&x)[0] = ((unsigned char*)&tmp_long)[7];    \
+   ((unsigned char*)&x)[1] = ((unsigned char*)&tmp_long)[6];    \
+   ((unsigned char*)&x)[2] = ((unsigned char*)&tmp_long)[5];    \
+   ((unsigned char*)&x)[3] = ((unsigned char*)&tmp_long)[4];    \
+   ((unsigned char*)&x)[4] = ((unsigned char*)&tmp_long)[3];    \
+   ((unsigned char*)&x)[5] = ((unsigned char*)&tmp_long)[2];    \
+   ((unsigned char*)&x)[6] = ((unsigned char*)&tmp_long)[1];    \
+   ((unsigned char*)&x)[7] = ((unsigned char*)&tmp_long)[0];    \
+}
+#endif
+
+#define ORDER_SWAP_FLOAT(x) 			\
+{ 						\
+   float tmp_float = x; 			\
+   ((unsigned char*)&x)[0] = ((unsigned char*)&tmp_float)[3];	\
+   ((unsigned char*)&x)[1] = ((unsigned char*)&tmp_float)[2];	\
+   ((unsigned char*)&x)[2] = ((unsigned char*)&tmp_float)[1];	\
+   ((unsigned char*)&x)[3] = ((unsigned char*)&tmp_float)[0];	\
+} 
+
+#define ORDER_SWAP_INT(x) 			\
+{ 						\
+   int tmp_uint = x; 				\
+   ((unsigned char*)&x)[0] = ((unsigned char*)&tmp_uint)[3];	\
+   ((unsigned char*)&x)[1] = ((unsigned char*)&tmp_uint)[2];	\
+   ((unsigned char*)&x)[2] = ((unsigned char*)&tmp_uint)[1];	\
+   ((unsigned char*)&x)[3] = ((unsigned char*)&tmp_uint)[0];	\
+} 
+
+#define ORDER_SWAP_UINT(x) 			\
+{ 						\
+   unsigned int tmp_uint = x; 			\
+   ((unsigned char*)&x)[0] = ((unsigned char*)&tmp_uint)[3];	\
+   ((unsigned char*)&x)[1] = ((unsigned char*)&tmp_uint)[2];	\
+   ((unsigned char*)&x)[2] = ((unsigned char*)&tmp_uint)[1];	\
+   ((unsigned char*)&x)[3] = ((unsigned char*)&tmp_uint)[0];	\
+} 
+
+#define ORDER_SWAP_USHORT(x) 			\
+{ 						\
+   unsigned short tmp_ushort = x;		\
+   ((unsigned char*)&x)[0] = ((unsigned char*)&tmp_ushort)[1];	\
+   ((unsigned char*)&x)[1] = ((unsigned char*)&tmp_ushort)[0];	\
+} 
+
+#endif
+