ack/modules/src/alloc/clear.c

26 lines
540 B
C

/* $Header$ */
/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*/
/* clear - clear a block of memory, and try to do it fast.
*/
#include "in_all.h"
/* instead of Calloc: */
EXPORT
clear(ptr, n)
register char *ptr;
register unsigned int n;
{
register long *q = (long *) ptr;
while (n >= sizeof (long)) {
/* high-speed clear loop */
*q++ = 0;
n -= sizeof (long);
}
ptr = (char *) q;
while (n--) *ptr++ = '\0';
}