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/*
	WARNING: This file was generated by dkct.
	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: dk4mai8ddu.ctr
*/

/*
Copyright (C) 2015-2017, Dirk Krause

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

* Redistributions of source code must retain the above copyright notice,
  this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above opyright notice,
  this list of conditions and the following disclaimer in the documentation
  and/or other materials provided with the distribution.
* Neither the name of the author nor the names of contributors may be used
  to endorse or promote products derived from this software without specific
  prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

/**	@file dk4mai8ddu.c The dk4mai8ddu module.
*/


#line 70 "dk4mai8ddu.ctr"

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





#line 78 "dk4mai8ddu.ctr"



int
dk4ma_input_c8_dec_dk4_um_t(
  dk4_um_t	 *rp,
  const char	 *src,
  const char	**endptr,
  int		  atg,
  dk4_er_t	 *erp
)
{
#if VERSION_BEFORE_20141007
  dk4_er_t	  er;
#endif
  dk4_um_t	  result=	(dk4_um_t)0UL;
  dk4_um_t	  op;
  const char	 *ep	=	NULL;
  int		  found	=	0;
  int		  back	=	0;
  int		  cc	=	1;
  

#line 100 "dk4mai8ddu.ctr"
  if ((NULL != rp) && (NULL != src)) {
#if VERSION_BEFORE_20141007
    dk4error_init(&er);
#endif
    do {
      

#line 106 "dk4mai8ddu.ctr"
      op = (dk4_um_t)0UL;
      switch (*src) {
        case '0': { op = (dk4_um_t)0UL; } break;
        case '1': { op = (dk4_um_t)1UL; } break;
        case '2': { op = (dk4_um_t)2UL; } break;
        case '3': { op = (dk4_um_t)3UL; } break;
        case '4': { op = (dk4_um_t)4UL; } break;
        case '5': { op = (dk4_um_t)5UL; } break;
        case '6': { op = (dk4_um_t)6UL; } break;
        case '7': { op = (dk4_um_t)7UL; } break;
        case '8': { op = (dk4_um_t)8UL; } break;
        case '9': { op = (dk4_um_t)9UL; } break;
	case '\0': {			

#line 119 "dk4mai8ddu.ctr"
	  cc = 0;			
	  if (0 != found) {		

#line 121 "dk4mai8ddu.ctr"
	    back = 1;
	    *rp = result;
	  } else {			

#line 124 "dk4mai8ddu.ctr"
	    ep = src;			

#line 125 "dk4mai8ddu.ctr"
	    dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
	  }
	} break;
	default: {
	  cc = 0;			

#line 130 "dk4mai8ddu.ctr"
	  ep = src;			

#line 131 "dk4mai8ddu.ctr"
	  if (0 != found) {
	    switch (atg) {
	      case 2: {			

#line 134 "dk4mai8ddu.ctr"
	        back = 1;
		*rp = result;
	      } break;
	      case 1: {			

#line 138 "dk4mai8ddu.ctr"
	        if (NULL == dk4str8_start(src, NULL)) {
		  back = 1;
		  *rp = result;
		} else {
		  dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
		}
	      } break;
	      default: {		

#line 146 "dk4mai8ddu.ctr"
	        dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
	      } break;
	    }
	  } else {
	    dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
	  }
	} break;
      }
      if (0 != cc) {			

#line 155 "dk4mai8ddu.ctr"
        found = 1;
#if VERSION_BEFORE_20141007
        result = dk4ma_um_add(
	  dk4ma_um_mul(result, (dk4_um_t)10UL, &er),
	  op, &er
	);
	if (DK4_E_NONE != er.ec) {
	  cc = 0;			

#line 163 "dk4mai8ddu.ctr"
	  dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW);
	  ep = src;
	}
#else
	if ((DK4_UM_MAX / (dk4_um_t)10UL) >= result) {
	  result *= (dk4_um_t)10UL;
	  if ((DK4_UM_MAX - op) >= result) {
	    result += op;
	  } else {
	    cc = 0;
	    ep = src;
	    dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW);
	  }
	} else {
	  cc = 0;
	  ep = src;
	  dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW);
	}
#endif
      }
      if (0 != cc) {
        src++;
      }
    } while (0 != cc);
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
    if (NULL != src) { ep = src; }
  }
  if (NULL != endptr) { *endptr = ep; }
  

#line 193 "dk4mai8ddu.ctr"
  return back;
}