[unix-history] / usr / src / old / lib2648 / bitcopy.c

/*	bitcopy.c	4.1	83/03/09	*/
/*
 * Copy from msrc to mdest.
 * This is done as it is because it would be much slower to do it
 * a bit at a time.
 */

#include "bit.h"

bitcopy(mdest, msrc, rows, cols)
bitmat mdest, msrc;
int rows, cols;
{
	register int size = ((cols + 7) >> 3) * rows;
	register char *p, *q;

	for (p = &mdest[size], q = &msrc[size]; p>=mdest; )
		*--p = *--q;
}
Commit	Line	Data
94d991d9 RC	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	}