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path: root/support/dktools/dk4mai8dsz.c
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/*
Copyright (C) 2015-2020, Dirk Krause
SPDX-License-Identifier: BSD-3-Clause
*/

/*
	WARNING: This file was generated by the dkct program (see
	http://dktools.sourceforge.net/ for details).
	Changes you make here will be lost if dkct is run again!
	You should modify the original source and run dkct on it.
	Original source: dk4mai8dsz.ctr
*/

/**	@file dk4mai8dsz.c The dk4mai8dsz module.
*/


#line 127 "dk4mai8dsz.ctr"

#include "dk4conf.h"

#if	DK4_HAVE_ASSERT_H
#ifndef	ASSERT_H_INCLUDED
#include <assert.h>
#define	ASSERT_H_INCLUDED 1
#endif
#endif

#include "dk4mai8ddu.h"
#include "dk4mai8dsz.h"
#include "dk4maasz.h"
#include "dk4numco.h"
#include "dk4str8.h"



int
dk4ma_input_c8_dec_size_t(
  size_t	 *rp,
  const char	 *src,
  const char	**endptr,
  int		  atg,
  dk4_er_t	 *erp
)
{
  const	char	*myend	=	NULL;
  dk4_um_t	 um	=	(dk4_um_t)0UL;
  size_t	 res	=	0;
  size_t	 xf	=	1024;
  size_t	 factor	=	1;
  size_t	 nloop	=	0;
  int		 back	=	0;
#if	DK4_USE_ASSERT
  assert(NULL != rp);
  assert(NULL != src);
#endif
  if ((NULL != rp) && (NULL != src)) {
    if (0 != dk4ma_input_c8_dec_dk4_um_t(&um, src, &myend, 2, erp)) {
      if (((dk4_um_t)(SIZE_MAX)) >= um) {
        res = (size_t)um;
	if (NULL != myend) {
	  back = 1;
	  switch (*myend) {
	    case 'K': { nloop = 1; myend++; } break;
	    case 'M': { nloop = 2; myend++; } break;
	    case 'G': { nloop = 3; myend++; } break;
	    case 'T': { nloop = 4; myend++; } break;
	    case 'P': { nloop = 5; myend++; } break;
	    case 'E': { nloop = 6; myend++; } break;
	    case 'Z': { nloop = 7; myend++; } break;
	    case 'Y': { nloop = 8; myend++; } break;
	    case 'k': { nloop = 1; myend++; xf = 1000; } break;
	    case 'm': { nloop = 2; myend++; xf = 1000; } break;
	    case 'g': { nloop = 3; myend++; xf = 1000; } break;
	    case 't': { nloop = 4; myend++; xf = 1000; } break;
	    case 'p': { nloop = 5; myend++; xf = 1000; } break;
	    case 'e': { nloop = 6; myend++; xf = 1000; } break;
	    case 'z': { nloop = 7; myend++; xf = 1000; } break;
	    case 'y': { nloop = 8; myend++; xf = 1000; } break;
	  }
	  while (nloop--) {
	    if ((SIZE_MAX / xf) >= factor) {
	      factor *= xf;
	    } else {
	      back = 0;
	      dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW);
	    }
	  }
	  if (0 != back) {
	    if ((SIZE_MAX / factor) >= res) {
	      res *= factor;
	      switch (atg) {
	        case 2: {
		  *rp = res;
		} break;
		case 1: {
		  myend = dk4str8_start(myend, NULL);
		  if (NULL != myend) {
		    back = 0;
		    dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
		  } else {
		    *rp = res;
		  }
		} break;
		default: {
		  back = 0;
		  dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
		} break;
	      }
	    } else {
	      back = 0;
	      dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW);
	    }
	  } else {
	    dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW);
	  }
	} else {
	  *rp = res;
	  back = 1;
	}
      } else {
        dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW);
      }
    }
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  }
  if (NULL != endptr) { *endptr = myend; }
  return back;
}



int
dk4ma_input_c8_dec_size_t_simple(
  size_t	 *rp,
  const char	 *src,
  const char	**endptr,
  int		  atg,
  dk4_er_t	 *erp
)
{
  const	char	*myend	=	NULL;
  dk4_um_t	 um	=	(dk4_um_t)0UL;
  int		 back	=	0;
#if	DK4_USE_ASSERT
  assert(NULL != rp);
  assert(NULL != src);
#endif
  if ((NULL != rp) && (NULL != src)) {
    if (0 != dk4ma_input_c8_dec_dk4_um_t(&um, src, &myend, atg, erp)) {
      if (((dk4_um_t)(SIZE_MAX)) >= um) {
	*rp = (size_t)um;
	back = 1;
      } else {
        dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW);
      }
    }
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  }
  if (NULL != endptr) { *endptr = myend; }
  return back;
}