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Annotation of researchv10no/cmd/odist/pax/src/lib/libodelta/update.h, revision 1.1.1.1

1.1       root        1: /* values for the instruction field */
                      2: #define DELTA_TYPE     0300
                      3: #define DELTA_MOVE     0200
                      4: #define DELTA_ADD      0100
                      5: 
                      6: /* number of bytes required to code a value */
                      7: #define BASE           256
                      8: #define ONE            (BASE)
                      9: #define TWO            (BASE*BASE)
                     10: #define THREE          (BASE*BASE*BASE)
                     11: #define NBYTE(v)       ((v) < ONE ? 1 : ((v) < TWO ? 2 : ((v) < THREE ? 3 : 4)))
                     12: 
                     13: #define BUFSIZE        2048
                     14: 
                     15: #ifndef NULL
                     16: #define NULL   (0L)
                     17: #endif
                     18: 
                     19: #ifndef NIL
                     20: #define NIL(type)      ((type*)NULL)
                     21: #endif
                     22: 
                     23: /* function to copy data from one area to another */
                     24: #ifdef SYSV
                     25: #define memcopy(to,fr,n)       memcpy(to,fr,n)
                     26: #define memzero(s,n)           memset(s,0,n)
                     27: #endif
                     28: 
                     29: #ifdef BSD
                     30: #define memcopy(to,fr,n)       bcopy(fr,to,n)
                     31: #define memzero(s,n)           bzero(s,n)
                     32: #endif

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