ref: cfd7660a044c8bd3ad0c33a237155b05248c0b0b
dir: /util.c/
#include <u.h>
#include <libc.h>
#include "ds.h"
// Guarded calloc(2)
void*
ecalloc(ulong n, ulong size)
{
void *m = calloc(n, size);
if(m == nil)
sysfatal("err: calloc failed → %r");
return m;
}