minix/lib/ansi/calloc.c
2009-11-09 10:26:00 +00:00

19 lines
357 B
C

/* $Header$ */
#include <stdlib.h>
#define ALIGN(x) (((x) + (sizeof(size_t) - 1)) & ~(sizeof(size_t) - 1))
void *
calloc(size_t nelem, size_t elsize)
{
register char *p;
register size_t *q;
size_t size = ALIGN(nelem * elsize);
p = malloc(size);
if (p == NULL) return NULL;
q = (size_t *) (p + size);
while ((char *) q > p) *--q = 0;
return p;
}