#include <aplwc.h>
#include <aplwc_internal.h>

AplwcRc
aplwc_new(Aplwc **p)
{
	*p = malloc_zero(sizeof(Aplwc));
	if(*p == NULL)
		RETURN_ERROR(*p, MALLOC_FAILED, "");
	
	return APLWC_OK;
}

AplwcRc
aplwc_destroy(Aplwc *p)
{
	if(p)
		free(p);

	return APLWC_OK;
}

const char *
aplwc_errstr(Aplwc *aplwc)
{
	static char buf[256];
	buf[0] = 0;

	const char *err = NULL;
	const char *msg = NULL;
	if(aplwc){
		err = rc_to_string(aplwc->last_error);
		msg = aplwc->last_error_msg;
	}
	
	if(!err)
		err = "(unable to produce error string)";

	if(msg && (strlen(msg) > 0))
		snprintf(buf, sizeof(buf), "%s: %s", err, msg);
	else
		snprintf(buf, sizeof(buf), "%s", err);

	return buf;
}