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Annotation of researchv10no/cmd/asd++/checksum.c, revision 1.1

1.1     ! root        1: #include "decl.h"
        !             2: 
        !             3: checksum::
        !             4: checksum()
        !             5: {
        !             6:        bufend = buf + cksize;
        !             7:        bufptr = buf;
        !             8:        char *p = buf;
        !             9:        while (p < bufend)
        !            10:                *p++ = '?';
        !            11: }
        !            12: 
        !            13: void checksum::
        !            14: combine (char* adr, int len)
        !            15: {
        !            16:        register char *p = bufptr, *q = adr;
        !            17:        register int n = len;
        !            18: 
        !            19:        while (--n >= 0) {
        !            20:                *p++ ^= *q++;
        !            21:                if (p >= bufend)
        !            22:                        p = buf;
        !            23:        }
        !            24: 
        !            25:        bufptr = p;
        !            26: }
        !            27: 
        !            28: int checksum::
        !            29: operator== (checksum& c)
        !            30: {
        !            31:        register int n = cksize;
        !            32: 
        !            33:        while (--n >= 0) {
        !            34:                if (buf[n] != c.buf[n])
        !            35:                        return 0;
        !            36:        }
        !            37:        return 1;
        !            38: }

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