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%%	options

copyright owner	=	Dirk Krause
copyright year	=	2015-xxxx
SPDX-License-Identifier:	BSD-3-Clause



%%	header

/**	@file
	Comparison between signed and unsigned
	number (intmax_t and uintmax_t).
*/

#ifndef DK4CONF_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4conf.h"
#else
#include <dktools-4/dk4conf.h>
#endif
#endif

#ifndef DK4TYPES_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4types.h"
#else
#include <dktools-4/dk4types.h>
#endif
#endif



#ifdef __cplusplus
extern "C" {
#endif

#if DK4_HAVE_INTMAX_T

/**	Compare intmax_t and uintmax_t.
	@param	s	Signed intmax_t.
	@param	u	Unsigned intmax_t.
	@return	1 if s>u, 0 if s==u, -1 if s<u.
*/
int
dk4ma_intmax_t_compare(intmax_t s, uintmax_t u);

#endif

#ifdef __cplusplus
}
#endif



%%	module

#include "dk4conf.h"
#include "dk4macm.h"



#if DK4_HAVE_INTMAX_T

int
dk4ma_intmax_t_compare(intmax_t s, uintmax_t u)
{
  int	back	=	0;
  if ((intmax_t)0L > s) {
    back = -1;
  } else {
    if ((uintmax_t)s < u) {
      back = -1;
    } else {
      if ((uintmax_t)s > u) {
        back = 1;
      }
    }
  }
  return back;
}

#endif