/***********************************************************/
/*  ntux: native translation und extension                 */
/*  Copyright (C) 2016--2021  Z. Gilboa                    */
/*  Released under GPLv2 and GPLv3; see COPYING.NTUX.      */
/***********************************************************/

#include <ntux/ntux.h>
#include "ntux_driver_impl.h"
#include "ntux_errinfo_impl.h"

int ntux_errno(const struct ntux_driver_ctx * dctx)
{
	struct ntux_driver_ctx_impl * ictx;
	ictx = ntux_get_driver_ictx(dctx);
	return ictx->errcode;
}

int ntux_errno_set(
	const struct ntux_driver_ctx *	dctx,
	int				esyscode)
{
	struct ntux_driver_ctx_impl *	ictx;

	ictx = ntux_get_driver_ictx(dctx);
	ictx->errcode = (esyscode < 0)
		? -esyscode
		: esyscode;

	return esyscode;
}

int ntux_record_error(
	const struct ntux_driver_ctx *	dctx,
	int				esyscode,
	int				elibcode,
	const char *			efunction,
	int				eline,
	unsigned			eflags,
	void *				eany)
{
	struct ntux_driver_ctx_impl *	ictx;
	struct ntux_error_info *	erri;

	ictx = ntux_get_driver_ictx(dctx);

	if (ictx->errinfp == ictx->erricap)
		return -1;

	*ictx->errinfp = &ictx->erribuf[ictx->errinfp - ictx->erriptr];
	erri = *ictx->errinfp;

	erri->euctx     = ictx->euctx;
	erri->eunit     = ictx->eunit;

	erri->edctx     = dctx;
	erri->esyscode  = esyscode;
	erri->elibcode  = elibcode;
	erri->efunction = efunction;
	erri->eline     = eline;
	erri->eflags    = eflags;
	erri->eany      = eany;

	ictx->errinfp++;

	return -1;
}