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Annotation of 42BSD/usr.lib/lib2648/bitcopy.c, revision 1.1.1.1

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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