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/* ==========================================================================
Licensed under BSD 2clause license. See LICENSE file for more information
Author: Michał Łyszczek <michal.lyszczek@bofc.pl>
========================================================================== */
#ifndef EL_VALID_H
#define EL_VALID_H 1
#include <errno.h>
/* ==========================================================================
If expression 'x' evaluates to false, macro will set errno value to 'e'
and will force function to return with code '-1'
========================================================================== */
#define VALID(e, x) if (!(x)) { errno = (e); return -1; }
/* ==========================================================================
If expression 'x' evaluates to false, macro will set errno value to 'e'
and will force function to return value 'v'
========================================================================== */
#define VALIDR(e, v, x) if (!(x)) { errno = (e); return (v); }
/* ==========================================================================
If expression 'x' evaluates to false, macro will set errno value to 'e'
and will jump to lable 'l'
========================================================================== */
#define VALIDGO(e, l, x) if (!(x)) { errno = (e); goto l; }
#endif
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