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%%	options

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



%%	module

#include "dk4opt.h"
#include "dk4aopt.h"



$!trace-include



int
dk4app_opt_get_string_long(
  dkChar *dptr, size_t szdptr, dk4_app_t *app, const dkChar *n, dk4_er_t *erp
)
{
  dk4_option_t	*optr;
  int		 back = 0;
  $? "+ dk4app_opt_get_string_long"
  if ((NULL != dptr) && (0 < szdptr) && (NULL != app) && (NULL != n)) {
    $? ". args ok"
    if (NULL != app->i_opt_long) {		$? ". long opt iterator ok"
      optr = (dk4_option_t *)dk4sto_it_find_like(app->i_opt_long, n, 3);
      if (NULL != optr) {			$? ". option found"
        if (0 != optr->found) {			$? ". option used on cmd line"
	  back = dk4opt_get_string(dptr, szdptr, optr, NULL);
	} else {				$? "! option not used"
	  dk4error_set_simple_error_code(erp, DK4_E_NOT_FOUND);
	}
      } else {					$? "! no such option"
        dk4error_set_simple_error_code(erp, DK4_E_SYNTAX);
      }
    } else {					$? "! long opt iterator"
      dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
    }
  } else {					$? "! args"
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  } $? "- dk4app_opt_get_string_long %d", back
  return back;
}