source: trunk/minix/lib/ansi/calloc.c@ 9

/* $Header: /cvsup/minix/src/lib/ansi/calloc.c,v 1.1.1.1 2005/04/21 14:56:04 beng Exp $ */
#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;
}