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%%	options

copyright owner	=	Dirk Krause
copyright year	=	2015-xxxx
license		=	bsd



%%	module

#include "dk4opt.h"
#include "dk4strd.h"
#include "dk4mem.h"
#include "dk4maodd.h"
#include "dk4mao8dbl.h"
#include "dk4maoddbl.h"



$!trace-include



int
dk4opt_get_string(
  dkChar *dptr, size_t szdptr, dk4_option_t *optptr, dk4_er_t *erp
)
{
  dkChar	 buf[16 * sizeof(dk4_um_t)];
  int		 back	= 0;
  int		 res	= 0;
  if ((NULL != dptr) && (0 < szdptr) && (NULL != optptr)) {
    if (0 != optptr->found) {
      switch ((optptr->spec).argtype) {
        case DK4_OPT_ARG_BOOL: {
	  res = dk4ma_write_decimal_signed(
	    buf, DK4_SIZEOF(buf,dkChar), (dk4_im_t)((optptr->val).b), 0, erp
	  );
	  if (0 != res) {
	    back = dk4str_cpy_s(dptr, szdptr, buf, NULL);
	  }
	} break;
	case DK4_OPT_ARG_SIZE: {
	  res = dk4ma_write_decimal_unsigned(
	    buf, DK4_SIZEOF(buf,dkChar), (dk4_um_t)((optptr->val).s), 0, erp
	  );
	  if (0 != res) {
	    back = dk4str_cpy_s(dptr, szdptr, buf, NULL);
	  }
	} break;
	case DK4_OPT_ARG_INT: {
	  res = dk4ma_write_decimal_signed(
	    buf, DK4_SIZEOF(buf,dkChar), (optptr->val).i, 0, erp
	  );
	  if (0 != res) {
	    back = dk4str_cpy_s(dptr, szdptr, buf, NULL);
	  }
	} break;
	case DK4_OPT_ARG_UNSIGNED: {
	  res = dk4ma_write_decimal_unsigned(
	    buf, DK4_SIZEOF(buf,dkChar), (optptr->val).u, 0, erp
	  );
	  if (0 != res) {
	    back = dk4str_cpy_s(dptr, szdptr, buf, NULL);
	  }
	} break;
	case DK4_OPT_ARG_DOUBLE: {
#if DK4_USE_PRINTF_SCANF && (!(DK4_ON_WINDOWS && DK4_WIN_DENY_CRT))
	  back = dk4ma_write_double(dptr,szdptr,(optptr->val).d,0,0,erp);
#else
	  dk4error_set_simple_error_code(erp, DK4_E_NOT_SUPPORTED);
#endif
	} break;
	case DK4_OPT_ARG_STRING: {
	  if (NULL != (optptr->val).t) {
	    back = dk4str_cpy_s(dptr, szdptr, (optptr->val).t, erp);
	  } else {
	    dk4error_set_simple_error_code(erp, DK4_E_NOT_FOUND);
	  }
	} break;
	default: {
	  dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
	} break;
      }
    } else {
      dk4error_set_simple_error_code(erp, DK4_E_NOT_FOUND);
    }
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  }
  return back;
}