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Annotation of 42BSD/usr.lib/lib2648/bitcopy.c, revision 1.1

1.1     ! root        1: /*     bitcopy.c       4.1     83/03/09        */
        !             2: /*
        !             3:  * Copy from msrc to mdest.
        !             4:  * This is done as it is because it would be much slower to do it
        !             5:  * a bit at a time.
        !             6:  */
        !             7: 
        !             8: #include "bit.h"
        !             9: 
        !            10: bitcopy(mdest, msrc, rows, cols)
        !            11: bitmat mdest, msrc;
        !            12: int rows, cols;
        !            13: {
        !            14:        register int size = ((cols + 7) >> 3) * rows;
        !            15:        register char *p, *q;
        !            16: 
        !            17:        for (p = &mdest[size], q = &msrc[size]; p>=mdest; )
        !            18:                *--p = *--q;
        !            19: }

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