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Annotation of researchv9/sys/h/order.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  *             O R D E R . H
                      3:  *
                      4:  * Used to re-arrange shorts and longs to or from a specific byte ordering.
                      5:  * The hfirst macros are for high-order byte first; the lfirst macros are
                      6:  * for low-order byte first.
                      7:  *
                      8:  * IMPORTANT: The definitions of order_hfirst and order_lfirst may have to be
                      9:  *   exchanged, depending on the native byte ordering of the machine.
                     10:  *
                     11:  */
                     12: 
                     13: #define hfirst_short(x)  ((short)order_hfirst((x), sizeof(short)))
                     14: #define lfirst_short(x)  ((short)order_lfirst((x), sizeof(short)))
                     15: 
                     16: #define hfirst_long(x)   ((long)order_hfirst((x), sizeof(long)))
                     17: #define lfirst_long(x)   ((long)order_lfirst((x), sizeof(long)))
                     18: 
                     19: #define order_hfirst(x,size)  switch_order((long)(x), size)
                     20: #define order_lfirst(x,size)  (long)(x)
                     21: 
                     22: long switch_order();

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