BSD 4_1c_2 release

[unix-history] / usr / src / lib / libc / gen / calloc.c

/* @(#)calloc.c 4.1 (Berkeley) 12/21/80 */
/*      calloc - allocate and clear memory block
*/
#define CHARPERINT (sizeof(int)/sizeof(char))
#define NULL 0

char *
calloc(num, size)
unsigned num, size;
{
       register char *mp;
       char *malloc();
       register int *q;
       register m;

       num *= size;
       mp = malloc(num);
       if(mp == NULL)
               return(NULL);
       q = (int *) mp;
       m = (num+CHARPERINT-1)/CHARPERINT;
       while(--m>=0)
               *q++ = 0;
       return(mp);
}

cfree(p, num, size)
char *p;
unsigned num, size;
{
       free(p);
}