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#include <aplwc_internal.h>

enum aplwc_rc
aplwc_new(struct aplwc **p, uint8_t *data, size_t size)
{
	struct memory m;

	m = memory_init(data, size);

	*p = memory_alloc_aplwc(&m);
	if(*p == NULL)
		return APLWC_OUT_OF_MEMORY;
	(*p)->memory = m;

	return APLWC_OK;
}

enum aplwc_rc
aplwc_destroy(struct aplwc *p)
{
	if(p)
		memory_free_aplwc(&p->memory, p);

	return APLWC_OK;
}

const char *
aplwc_errstr_rc(enum aplwc_rc rc)
{
	switch(rc){
	case APLWC_OK:
		return "";
	case APLWC_OUT_OF_MEMORY:
		return "Out of memory";
	default:
		return "(unable to produce error string)";
	}
}

const char *
aplwc_errstr(struct aplwc *aplwc)
{
	enum { BUF_SIZE = 256 };

	const char *err;
	enum aplwc_rc rc;

	err = NULL;

	rc = aplwc ? aplwc->last_error : APLWC_RC_LAST+1;
	err = aplwc_errstr_rc(rc);

	return err;
}