#include <stdlib.h>
#include <string.h>

#include "vector.h"

extern void panic(const char* string, ...) _rc_attr((noreturn));

_rc_attr((noinline, noreturn, cold)) static void _fail_vec_alloc(size_t cap)
{
	panic("vec_alloc(): malloc() failed to allocate %d bytes (cap %d)", sizeof(vec_t) + (cap * sizeof(vec_elem_t)), cap);
}

_rc_alloc_fn vec_t* _rc_restrict vec_alloc(size_t cap)
{
	vec_t* vec = malloc(sizeof(vec_t) + (cap * sizeof(vec_elem_t)));
	if(!vec) _fail_vec_alloc(cap);
	vec-> cap = cap;
	vec-> scap = cap;
	vec-> len = 0;

	return vec;
}