/*
  File autogenerated by gengetopt @generator_version@
  generated with the following command:
  @command_line@

  The developers of gengetopt consider the fixed text that goes in all
  gengetopt output files to be in the public domain:
  we make no copyright claims on it.
*/

/* If we use autoconf.  */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#ifndef FIX_UNUSED
#define FIX_UNUSED(X) (void) (X) /* avoid warnings for unused params */
#endif

@IF@ not include_getopt @THEN@
#include <getopt.h>
@ENDIF@

#include "@source_name@.@header_file_ext@"

const char *@args_info@_purpose = "@purpose@";

const char *@args_info@_usage = "Usage: @if@ no_package @then@" @package_var_name@ "@endif@@usage_string@";

const char *@args_info@_versiontext = "@versiontext@";

const char *@args_info@_description = "@description@";

@IF@ has_hidden or has_details @THEN@
@IF@ has_details @THEN@
const char *@args_info@_detailed_help[] = {
  @detailed_help_option_print:method@  0
};
@IF@ has_hidden @THEN@
static void
init_full_help_array(void)
{
  @full_help_option_print:method@
}

const char *@args_info@_full_help[@help_string_num@];
@ENDIF@
@ELSEIF@ has_hidden @THEN@
const char *@args_info@_full_help[] = {
  @full_help_option_print:method@  0
};
@ENDIF@

static void
init_help_array(void)
{
  @help_option_print:method@
}

const char *@args_info@_help[@help_string_num@];
@ELSE@
const char *@args_info@_help[] = {
  @help_option_print:method@  0
};
@ENDIF@

typedef enum {ARG_NO
@IF@ has_arg_flag @THEN@
  , ARG_FLAG
@ENDIF@
@IF@ has_arg_string @THEN@
  , ARG_STRING
@ENDIF@
@IF@ has_arg_int @THEN@
  , ARG_INT
@ENDIF@
@IF@ has_arg_short @THEN@
  , ARG_SHORT
@ENDIF@
@IF@ has_arg_long @THEN@
  , ARG_LONG
@ENDIF@
@IF@ has_arg_float @THEN@
  , ARG_FLOAT
@ENDIF@
@IF@ has_arg_double @THEN@
  , ARG_DOUBLE
@ENDIF@
@IF@ has_arg_longdouble @THEN@
  , ARG_LONGDOUBLE
@ENDIF@
@IF@ has_arg_longlong @THEN@
  , ARG_LONGLONG
@ENDIF@
@IF@ has_arg_enum @THEN@
  , ARG_ENUM
@ENDIF@} @parser_name@_arg_type;

static
void clear_given (struct @args_info@ *args_info);
static
void clear_args (struct @args_info@ *args_info);

static int
@parser_name@_internal (int argc, char **argv, struct @args_info@ *args_info,
                        struct @parser_name@_params *params, const char *additional_error);

@IF@ check_required_options @THEN@
static int
@parser_name@_required2 (struct @args_info@ *args_info, const char *prog_name, const char *additional_error);
@ENDIF@
@IF@ cmd_list @THEN@
struct line_list
{
  char * string_arg;
  struct line_list * next;
};

static struct line_list *cmd_line_list = 0;
static struct line_list *cmd_line_list_tmp = 0;

static void
free_cmd_list(void)
{
  /* free the list of a previous call */
  if (cmd_line_list)
    {
      while (cmd_line_list) {
        cmd_line_list_tmp = cmd_line_list;
        cmd_line_list = cmd_line_list->next;
        free (cmd_line_list_tmp->string_arg);
        free (cmd_line_list_tmp);
      }
    }
}

@ENDIF@

@option_values:method{iteration=true}@
@IF@ do_generate_strdup @THEN@
static char *
gengetopt_strdup (const char *s);

@ENDIF@
static
void clear_given (struct @args_info@ *args_info)
{
  @given_init:method{iteration=true}@
}

static
void clear_args (struct @args_info@ *args_info)
{
  FIX_UNUSED (args_info);
  @clear_arg:method@
}

static
void init_args_info(struct @args_info@ *args_info)
{
@IF@ has_hidden and has_details @then@  init_full_help_array(); @endif@
@IF@ has_hidden or has_details @then@  init_help_array(); @endif@
  @init_args_info:method@
}

void
@parser_name@_print_version (void)
{
  printf ("%s %s\n",
     (strlen(@package_var_name@_NAME) ? @package_var_name@_NAME : @package_var_name@),
     @version_var_name@);

  if (strlen(@args_info@_versiontext) > 0)
    printf("\n%s\n", @args_info@_versiontext);
}

static void print_help_common(void)
{
	size_t len_purpose = strlen(@args_info@_purpose);
	size_t len_usage = strlen(@args_info@_usage);

	if (len_usage > 0) {
		printf("%s\n", @args_info@_usage);
	}
	if (len_purpose > 0) {
		printf("%s\n", @args_info@_purpose);
	}

	if (len_usage || len_purpose) {
		printf("\n");
	}

	if (strlen(@args_info@_description) > 0) {
		printf("%s\n\n", @args_info@_description);
	}
}

void
@parser_name@_print_help (void)
{
  int i = 0;
  print_help_common();
  while (@args_info@_help[i])
    printf("%s\n", @args_info@_help[i++]);
}

@IF@ has_hidden @THEN@
void
@parser_name@_print_full_help (void)
{
  int i = 0;
  print_help_common();
  while (@args_info@_full_help[i])
    printf("%s\n", @args_info@_full_help[i++]);
}

@ENDIF@
@IF@ has_details @THEN@
void
@parser_name@_print_detailed_help (void)
{
  int i = 0;
  print_help_common();
  while (@args_info@_detailed_help[i])
    printf("%s\n", @args_info@_detailed_help[i++]);
}

@ENDIF@
void
@parser_name@_init (struct @args_info@ *args_info)
{
  clear_given (args_info);
  clear_args (args_info);
  init_args_info (args_info);
@IF@ handle_unnamed @THEN@

  args_info->inputs = 0;
  args_info->inputs_num = 0;
@ENDIF@
}

void
@parser_name@_params_init(struct @parser_name@_params *params)
{
  if (params)
    { 
      params->override = 0;
      params->initialize = 1;
      params->check_required = 1;
      params->check_ambiguity = 0;
      params->print_errors = 1;
    }
}

struct @parser_name@_params *
@parser_name@_params_create(void)
{
  struct @parser_name@_params *params = 
    (struct @parser_name@_params *)malloc(sizeof(struct @parser_name@_params));
  @parser_name@_params_init(params);  
  return params;
}

@IF@ has_typed_options @THEN@
static void
free_string_field (char **s)
{
  if (*s)
    {
      free (*s);
      *s = 0;
    }
}
@ENDIF@

@IF@ multiple_token_functions @THEN@
/** @@brief generic value variable */
union generic_value {
@IF@ has_arg_int or has_arg_enum @THEN@
    int int_arg;
@ENDIF@
@IF@ has_arg_short @THEN@
    short short_arg;
@ENDIF@
@IF@ has_arg_long @THEN@
    long long_arg;
@ENDIF@
@IF@ has_arg_float @THEN@
    float float_arg;
@ENDIF@
@IF@ has_arg_double @THEN@
    double double_arg;
@ENDIF@
@IF@ has_arg_longdouble @THEN@
    long double longdouble_arg;
@ENDIF@
@IF@ has_arg_longlong @THEN@
#if defined(HAVE_LONG_LONG) || defined(HAVE_LONG_LONG_INT)
    long long int longlong_arg;
#else
    long longlong_arg;
#endif
@ENDIF@
    char *string_arg;
    const char *default_string_arg;
};

/** @@brief holds temporary values for multiple options */
struct generic_list
{
  union generic_value arg;
  char *orig;
  struct generic_list *next;
};

/**
 * @@brief add a node at the head of the list 
 */
static void add_node(struct generic_list **list) {
  struct generic_list *new_node = (struct generic_list *) malloc (sizeof (struct generic_list));
  new_node->next = *list;
  *list = new_node;
  new_node->arg.string_arg = 0;
  new_node->orig = 0;
}

@IF@ (not multiple_options_all_string) and multiple_token_functions @THEN@
/**
 * The passed arg parameter is NOT set to 0 from this function
 */
static void
free_multiple_field(unsigned int len, void *arg, char ***orig)
{
  unsigned int i;
  if (arg) {
    for (i = 0; i < len; ++i)
      {
        free_string_field(&((*orig)[i]));
      }

    free (arg);
    free (*orig);
    *orig = 0;
  }
}
@ENDIF@

@IF@ multiple_options_string @THEN@
static void
free_multiple_string_field(unsigned int len, char ***arg, char ***orig)
{
  unsigned int i;
  if (*arg) {
    for (i = 0; i < len; ++i)
      {
        free_string_field(&((*arg)[i]));
        free_string_field(&((*orig)[i]));
      }
    free_string_field(&((*arg)[0])); /* free default string */

    free (*arg);
    *arg = 0;
    free (*orig);
    *orig = 0;
  }
}
@ENDIF@
@ENDIF@

static void
@parser_name@_release (struct @args_info@ *args_info)
{
@IF@ handle_unnamed @THEN@
  unsigned int i;@ENDIF@

  @free:method@
  
@IF@ handle_unnamed @THEN@
  for (i = 0; i < args_info->inputs_num; ++i)
    free (args_info->inputs [i]);

  if (args_info->inputs_num)
    free (args_info->inputs);
@ENDIF@

  clear_given (args_info);
}

@IF@ check_possible_values @THEN@
/**
 * @@param val the value to check
 * @@param values the possible values
 * @@return the index of the matched value:
 * -1 if no value matched,
 * -2 if more than one value has matched
 */
static int
check_possible_values(const char *val, const char *values[])
{
  int i, found, last;
  size_t len;

  if (!val)   /* otherwise strlen() crashes below */
    return -1; /* -1 means no argument for the option */

  found = last = 0;

  for (i = 0, len = strlen(val); values[i]; ++i)
    {
      if (strncmp(val, values[i], len) == 0)
        {
          ++found;
          last = i;
          if (strlen(values[i]) == len)
            return i; /* exact macth no need to check more */
        }
    }

  if (found == 1) /* one match: OK */
    return last;

  return (found ? -2 : -1); /* return many values or none matched */
}

@ENDIF@

static void
write_into_file(FILE *outfile, const char *opt, const char *arg, const char *values[])
{
  @IF@ check_possible_values @THEN@
  int found = -1;
  @ELSE@
  FIX_UNUSED (values);
  @ENDIF@
  if (arg) {
    @IF@ check_possible_values @THEN@
    if (values) {
      found = check_possible_values(arg, values);      
    }
    if (found >= 0)
      fprintf(outfile, "%s=\"%s\" # %s\n", opt, arg, values[found]);
    else
      fprintf(outfile, "%s=\"%s\"\n", opt, arg);
    @ELSE@
    fprintf(outfile, "%s=\"%s\"\n", opt, arg);
    @ENDIF@
  } else {
    fprintf(outfile, "%s\n", opt);
  }
}

@IF@ multiple_options @THEN@
static void
write_multiple_into_file(FILE *outfile, int len, const char *opt, char **arg, const char *values[])
{
  int i;
  
  for (i = 0; i < len; ++i)
    write_into_file(outfile, opt, (arg ? arg[i] : 0), values);
}
@ENDIF@

int
@parser_name@_dump(FILE *outfile, struct @args_info@ *args_info)
{
  int i = 0;

  if (!outfile)
    {
      fprintf (stderr, "%s: cannot dump options to stream\n", @package_var_name@);
      return EXIT_FAILURE;
    }

  @file_save_loop:method@

  i = EXIT_SUCCESS;
  return i;
}

int
@parser_name@_file_save(const char *filename, struct @args_info@ *args_info)
{
  FILE *outfile;
  int i = 0;

  outfile = fopen(filename, "w");

  if (!outfile)
    {
      fprintf (stderr, "%s: cannot open file for writing: %s\n", @package_var_name@, filename);
      return EXIT_FAILURE;
    }

  i = @parser_name@_dump(outfile, args_info);
  fclose (outfile);

  return i;
}

void
@parser_name@_free (struct @args_info@ *args_info)
{
  @parser_name@_release (args_info);
}

@IF@ do_generate_strdup @THEN@
/** @@brief replacement of strdup, which is not standard */
char *
gengetopt_strdup (const char *s)
{
  char *result = 0;
  if (!s)
    return result;

  result = (char*)malloc(strlen(s) + 1);
  if (result == (char*)0)
    return (char*)0;
  strcpy(result, s);
  return result;
}

@ENDIF@
@IF@ multiple_token_functions @THEN@
static char *
get_multiple_arg_token(const char *arg)
{
  const char *tok;
  char *ret;
  size_t len, num_of_escape, i, j;

  if (!arg)
    return 0;

  tok = strchr (arg, ',');
  num_of_escape = 0;

  /* make sure it is not escaped */
  while (tok)
    {
      if (*(tok-1) == '\\')
        {
          /* find the next one */
          tok = strchr (tok+1, ',');
          ++num_of_escape;
        }
      else
        break;
    }

  if (tok)
    len = (size_t)(tok - arg + 1);
  else
    len = strlen (arg) + 1;

  len -= num_of_escape;

  ret = (char *) malloc (len);

  i = 0;
  j = 0;
  while (arg[i] && (j < len-1))
    {
      if (arg[i] == '\\' && 
	  arg[ i + 1 ] && 
	  arg[ i + 1 ] == ',')
        ++i;

      ret[j++] = arg[i++];
    }

  ret[len-1] = '\0';

  return ret;
}

static const char *
get_multiple_arg_token_next(const char *arg)
{
  const char *tok;

  if (!arg)
    return 0;

  tok = strchr (arg, ',');

  /* make sure it is not escaped */
  while (tok)
    {
      if (*(tok-1) == '\\')
        {
          /* find the next one */
          tok = strchr (tok+1, ',');
        }
      else
        break;
    }

  if (! tok || strlen(tok) == 1)
    return 0;

  return tok+1;
}

@ENDIF@
@IF@ multiple_options @THEN@
static int
check_multiple_option_occurrences(const char *prog_name, unsigned int option_given, unsigned int min, unsigned int max, const char *option_desc);

int
check_multiple_option_occurrences(const char *prog_name, unsigned int option_given, unsigned int min, unsigned int max, const char *option_desc)
{
  int error_occurred = 0;

  if (option_given && (min > 0 || max > 0))
    {
      if (min > 0 && max > 0)
        {
          if (min == max)
            {
              /* specific occurrences */
              if (option_given != (unsigned int) min)
                {
                  fprintf (stderr, "%s: %s option occurrences must be %d\n",
                    prog_name, option_desc, min);
                  error_occurred = 1;
                }
            }
          else if (option_given < (unsigned int) min
                || option_given > (unsigned int) max)
            {
              /* range occurrences */
              fprintf (stderr, "%s: %s option occurrences must be between %d and %d\n",
                prog_name, option_desc, min, max);
              error_occurred = 1;
            }
        }
      else if (min > 0)
        {
          /* at least check */
          if (option_given < min)
            {
              fprintf (stderr, "%s: %s option occurrences must be at least %d\n",
                prog_name, option_desc, min);
              error_occurred = 1;
            }
        }
      else if (max > 0)
        {
          /* at most check */
          if (option_given > max)
            {
              fprintf (stderr, "%s: %s option occurrences must be at most %d\n",
                prog_name, option_desc, max);
              error_occurred = 1;
            }
        }
    }
    
  return error_occurred;
}
@ENDIF@
@reset_groups:method{iteration=true}@
int
@parser_name@ (int argc, char **argv, struct @args_info@ *args_info)
{
  return @parser_name@2 (argc, argv, args_info, 0, 1, 1);
}

int
@parser_name@_ext (int argc, char **argv, struct @args_info@ *args_info,
                   struct @parser_name@_params *params)
{
  int result;
  result = @parser_name@_internal (argc, argv, args_info, params, 0);

  @final_exit@
}

int
@parser_name@2 (int argc, char **argv, struct @args_info@ *args_info, int override, int initialize, int check_required)
{
  int result;
  struct @parser_name@_params params;
  
  params.override = override;
  params.initialize = initialize;
  params.check_required = check_required;
  params.check_ambiguity = 0;
  params.print_errors = 1;

  result = @parser_name@_internal (argc, argv, args_info, &params, 0);

  @final_exit@
}

int
@parser_name@_required (struct @args_info@ *args_info, const char *prog_name)
{
@IF@ check_required_options @THEN@
  int result = EXIT_SUCCESS;

  if (@parser_name@_required2(args_info, prog_name, 0) > 0)
    result = EXIT_FAILURE;

  @final_exit@
@ELSE@
  FIX_UNUSED (args_info);
  FIX_UNUSED (prog_name);
  return EXIT_SUCCESS;
@ENDIF@
}

@IF@ check_required_options @THEN@
int
@parser_name@_required2 (struct @args_info@ *args_info, const char *prog_name, const char *additional_error)
{
  int error_occurred = 0;
  FIX_UNUSED (additional_error);

  /* checks for required options */
  @handle_required:method@
  /* checks for dependences among options */
  @handle_dependencies:method{iteration=true}@

  return error_occurred;
}

@ENDIF@
@IF@ include_getopt @THEN@
@custom_getopt:method@
@ENDIF@

static char *package_name = 0;

@IF@ not no_options @THEN@
/**
 * @@brief updates an option
 * @@param field the generic pointer to the field to update
 * @@param orig_field the pointer to the orig field
 * @@param field_given the pointer to the number of occurrence of this option
 * @@param prev_given the pointer to the number of occurrence already seen
 * @@param value the argument for this option (if null no arg was specified)
 * @@param possible_values the possible values for this option (if specified)
 * @@param default_value the default value (in case the option only accepts fixed values)
 * @@param arg_type the type of this option
 * @@param check_ambiguity @@see @parser_name@_params.check_ambiguity
 * @@param override @@see @parser_name@_params.override
 * @@param no_free whether to free a possible previous value
 * @@param multiple_option whether this is a multiple option
 * @@param long_opt the corresponding long option
 * @@param short_opt the corresponding short option (or '-' if none)
 * @@param additional_error possible further error specification
 */
static
int update_arg(void *field, char **orig_field,
               unsigned int *field_given, unsigned int *prev_given, 
               char *value, const char *possible_values[],
               const char *default_value,
               @parser_name@_arg_type arg_type,
               int check_ambiguity, int override,
               int no_free, int multiple_option,
               const char *long_opt, char short_opt,
               const char *additional_error)
{
  char *stop_char = 0;
  const char *val = value;
  int found;
@IF@ has_arg_string @THEN@
  char **string_field;
@ENDIF@
  FIX_UNUSED (field);

  stop_char = 0;
  found = 0;

  if (!multiple_option && prev_given && (*prev_given || (check_ambiguity && *field_given)))
    {
      if (short_opt != '-')
        fprintf (stderr, "%s: `--%s' (`-%c') option given more than once%s\n", 
               package_name, long_opt, short_opt,
               (additional_error ? additional_error : ""));
      else
        fprintf (stderr, "%s: `--%s' option given more than once%s\n", 
               package_name, long_opt,
               (additional_error ? additional_error : ""));
      return 1; /* failure */
    }

@IF@ check_possible_values @THEN@
  if (possible_values && (found = check_possible_values((value ? value : default_value), possible_values)) < 0)
    {
      if (short_opt != '-')
        fprintf (stderr, "%s: %s argument, \"%s\", for option `--%s' (`-%c')%s\n", 
          package_name, (found == -2) ? "ambiguous" : "invalid", value, long_opt, short_opt,
          (additional_error ? additional_error : ""));
      else
        fprintf (stderr, "%s: %s argument, \"%s\", for option `--%s'%s\n", 
          package_name, (found == -2) ? "ambiguous" : "invalid", value, long_opt,
          (additional_error ? additional_error : ""));
      return 1; /* failure */
    }
@ELSE@
  FIX_UNUSED (default_value);
@ENDIF@
    
  if (field_given && *field_given && ! override)
    return 0;
  if (prev_given)
    (*prev_given)++;
  if (field_given)
    (*field_given)++;
  if (possible_values)
    val = possible_values[found];

  switch(arg_type) {
@IF@ has_arg_flag @THEN@
  case ARG_FLAG:
    *((int *)field) = !*((int *)field);
    break;
@ENDIF@
@IF@ has_arg_int @THEN@
  case ARG_INT:
    if (val) *((int *)field) = strtol (val, &stop_char, 0);
    break;
@ENDIF@
@IF@ has_arg_short @THEN@
  case ARG_SHORT:
    if (val) *((short *)field) = (short)strtol (val, &stop_char, 0);
    break;
@ENDIF@
@IF@ has_arg_long @THEN@
  case ARG_LONG:
    if (val) *((long *)field) = (long)strtol (val, &stop_char, 0);
    break;
@ENDIF@
@IF@ has_arg_float @THEN@
  case ARG_FLOAT:
    if (val) *((float *)field) = (float)strtod (val, &stop_char);
    break;
@ENDIF@
@IF@ has_arg_double @THEN@
  case ARG_DOUBLE:
    if (val) *((double *)field) = strtod (val, &stop_char);
    break;
@ENDIF@
@IF@ has_arg_longdouble @THEN@
  case ARG_LONGDOUBLE:
    if (val) *((long double *)field) = (long double)strtod (val, &stop_char);
    break;
@ENDIF@
@IF@ has_arg_longlong @THEN@
  case ARG_LONGLONG:
#if defined(HAVE_LONG_LONG) || defined(HAVE_LONG_LONG_INT)
    if (val) *((long long int*)field) = (long long int) strtoll (val, &stop_char, 0);
#else
    if (val) *((long *)field) = (long)strtol (val, &stop_char, 0);
#endif
    break;
@ENDIF@
@IF@ has_arg_enum @THEN@
  case ARG_ENUM:
    if (val) *((int *)field) = found;
    break;
@ENDIF@
@IF@ has_arg_string @THEN@
  case ARG_STRING:
    if (val) {
      string_field = (char **)field;
      if (!no_free && *string_field)
        free (*string_field); /* free previous string */
      *string_field = gengetopt_strdup (val);
    }
    break;
@ENDIF@
  default:
    break;
  };

@IF@ has_arg_int or has_arg_short or has_arg_long or 
     has_arg_float or has_arg_double or 
     has_arg_longdouble or has_arg_longlong @THEN@
  /* check numeric conversion */
  switch(arg_type) {
@IF@ has_arg_int @THEN@
  case ARG_INT:
@ENDIF@
@IF@ has_arg_short @THEN@
  case ARG_SHORT:
@ENDIF@
@IF@ has_arg_long @THEN@
  case ARG_LONG:
@ENDIF@
@IF@ has_arg_float @THEN@
  case ARG_FLOAT:
@ENDIF@
@IF@ has_arg_double @THEN@
  case ARG_DOUBLE:
@ENDIF@
@IF@ has_arg_longdouble @THEN@
  case ARG_LONGDOUBLE:
@ENDIF@
@IF@ has_arg_longlong @THEN@
  case ARG_LONGLONG:
@ENDIF@
    if (val && !(stop_char && *stop_char == '\0')) {
      fprintf(stderr, "%s: invalid numeric value: %s\n", package_name, val);
      return 1; /* failure */
    }
    break;
  default:
    ;
  };
@ELSE@
	FIX_UNUSED(stop_char);
	@IF@ not (has_arg_enum or has_arg_string) @THEN@
		FIX_UNUSED(val);
	@ENDIF@
@ENDIF@

  /* store the original value */
  switch(arg_type) {
  case ARG_NO:
@IF@ has_arg_flag @THEN@
  case ARG_FLAG:
@ENDIF@
    break;
  default:
    if (value && orig_field) {
      if (no_free) {
        *orig_field = value;
      } else {
        if (*orig_field)
          free (*orig_field); /* free previous string */
        *orig_field = gengetopt_strdup (value);
      }
    }
  };

  return 0; /* OK */
}
@ENDIF@

@IF@ multiple_token_functions @THEN@
/**
 * @@brief store information about a multiple option in a temporary list
 * @@param list where to (temporarily) store multiple options
 */
static
int update_multiple_arg_temp(struct generic_list **list,
               unsigned int *prev_given, const char *val,
               const char *possible_values[], const char *default_value,
               @parser_name@_arg_type arg_type,
               const char *long_opt, char short_opt,
               const char *additional_error)
{
  /* store single arguments */
  char *multi_token;
  const char *multi_next;

  if (arg_type == ARG_NO) {
    (*prev_given)++;
    return 0; /* OK */
  }

  multi_token = get_multiple_arg_token(val);
  multi_next = get_multiple_arg_token_next (val);

  while (1)
    {
      add_node (list);
      if (update_arg((void *)&((*list)->arg), &((*list)->orig), 0,
          prev_given, multi_token, possible_values, default_value, 
          arg_type, 0, 1, 1, 1, long_opt, short_opt, additional_error)) {
        if (multi_token) free(multi_token);
        return 1; /* failure */
      }

      if (multi_next)
        {
          multi_token = get_multiple_arg_token(multi_next);
          multi_next = get_multiple_arg_token_next (multi_next);
        }
      else
        break;
    }

  return 0; /* OK */
}

/**
 * @@brief free the passed list (including possible string argument)
 */
static
void free_list(struct generic_list *list, short string_arg)
{
  if (list) {
    struct generic_list *tmp;
    while (list)
      {
        tmp = list;
        if (string_arg && list->arg.string_arg)
          free (list->arg.string_arg);
        if (list->orig)
          free (list->orig);
        list = list->next;
        free (tmp);
      }
  }
}

/**
 * @@brief updates a multiple option starting from the passed list
 */
static
void update_multiple_arg(void *field, char ***orig_field,
               unsigned int field_given, unsigned int prev_given, union generic_value *default_value,
               @parser_name@_arg_type arg_type,
               struct generic_list *list)
{
  int i;
  struct generic_list *tmp;

  if (prev_given && list) {
    *orig_field = (char **) realloc (*orig_field, (field_given + prev_given) * sizeof (char *));

    switch(arg_type) {
@IF@ has_arg_int or has_arg_enum @THEN@
@IF@ has_arg_int @THEN@
    case ARG_INT:
@ENDIF@
@IF@ has_arg_enum @THEN@
    case ARG_ENUM:
@ENDIF@
      *((int **)field) = (int *)realloc (*((int **)field), (field_given + prev_given) * sizeof (int)); break;
@ENDIF@
@IF@ has_arg_short @THEN@
    case ARG_SHORT:
      *((short **)field) = (short *)realloc (*((short **)field), (field_given + prev_given) * sizeof (short)); break;
@ENDIF@
@IF@ has_arg_long @THEN@
    case ARG_LONG:
      *((long **)field) = (long *)realloc (*((long **)field), (field_given + prev_given) * sizeof (long)); break;
@ENDIF@
@IF@ has_arg_float @THEN@
    case ARG_FLOAT:
      *((float **)field) = (float *)realloc (*((float **)field), (field_given + prev_given) * sizeof (float)); break;
@ENDIF@
@IF@ has_arg_double @THEN@
    case ARG_DOUBLE:
      *((double **)field) = (double *)realloc (*((double **)field), (field_given + prev_given) * sizeof (double)); break;
@ENDIF@
@IF@ has_arg_longdouble @THEN@
    case ARG_LONGDOUBLE:
      *((long double **)field) = (long double *)realloc (*((long double **)field), (field_given + prev_given) * sizeof (long double)); break;
@ENDIF@
@IF@ has_arg_longlong @THEN@
    case ARG_LONGLONG:
#if defined(HAVE_LONG_LONG) || defined(HAVE_LONG_LONG_INT)
      *((long long int **)field) = (long long int *)realloc (*((long long int **)field), (field_given + prev_given) * sizeof (long long int)); break;
#else
      *((long **)field) = (long *)realloc (*((long **)field), (field_given + prev_given) * sizeof (long)); break;
#endif
@ENDIF@
@IF@ has_arg_string @THEN@
    case ARG_STRING:
      *((char ***)field) = (char **)realloc (*((char ***)field), (field_given + prev_given) * sizeof (char *)); break;
@ENDIF@
    default:
      break;
    };
    
    for (i = (prev_given - 1); i >= 0; --i)
      {
        tmp = list;
        
        switch(arg_type) {
@IF@ has_arg_int @THEN@
        case ARG_INT:
          (*((int **)field))[i + field_given] = tmp->arg.int_arg; break;
@ENDIF@
@IF@ has_arg_short @THEN@
        case ARG_SHORT:
          (*((short **)field))[i + field_given] = tmp->arg.short_arg; break;
@ENDIF@
@IF@ has_arg_long @THEN@
        case ARG_LONG:
          (*((long **)field))[i + field_given] = tmp->arg.long_arg; break;
@ENDIF@
@IF@ has_arg_float @THEN@
        case ARG_FLOAT:
          (*((float **)field))[i + field_given] = tmp->arg.float_arg; break;
@ENDIF@
@IF@ has_arg_double @THEN@
        case ARG_DOUBLE:
          (*((double **)field))[i + field_given] = tmp->arg.double_arg; break;
@ENDIF@
@IF@ has_arg_longdouble @THEN@
        case ARG_LONGDOUBLE:
          (*((long double **)field))[i + field_given] = tmp->arg.longdouble_arg; break;
@ENDIF@
@IF@ has_arg_longlong @THEN@
        case ARG_LONGLONG:
#if defined(HAVE_LONG_LONG) || defined(HAVE_LONG_LONG_INT)
          (*((long long int **)field))[i + field_given] = tmp->arg.longlong_arg; break;
#else
          (*((long **)field))[i + field_given] = tmp->arg.longlong_arg; break;
#endif
@ENDIF@
@IF@ has_arg_enum @THEN@
        case ARG_ENUM:
          (*((int **)field))[i + field_given] = tmp->arg.int_arg; break;
@ENDIF@
@IF@ has_arg_string @THEN@
        case ARG_STRING:
          (*((char ***)field))[i + field_given] = tmp->arg.string_arg; break;
@ENDIF@
        default:
          break;
        }        
        (*orig_field) [i + field_given] = list->orig;
        list = list->next;
        free (tmp);
      }
  } else { /* set the default value */
    if (default_value && ! field_given) {
      switch(arg_type) {
@IF@ has_arg_int or has_arg_enum @THEN@
@IF@ has_arg_int @THEN@
      case ARG_INT:
@ENDIF@
@IF@ has_arg_enum @THEN@
      case ARG_ENUM:
@ENDIF@
        if (! *((int **)field)) {
          *((int **)field) = (int *)malloc (sizeof (int));
          (*((int **)field))[0] = default_value->int_arg; 
        }
        break;
@ENDIF@
@IF@ has_arg_short @THEN@
      case ARG_SHORT:
        if (! *((short **)field)) {
          *((short **)field) = (short *)malloc (sizeof (short));
          (*((short **)field))[0] = default_value->short_arg;
        }
        break;
@ENDIF@
@IF@ has_arg_long @THEN@
      case ARG_LONG:
        if (! *((long **)field)) {
          *((long **)field) = (long *)malloc (sizeof (long));
          (*((long **)field))[0] = default_value->long_arg;
        }
        break;
@ENDIF@
@IF@ has_arg_float @THEN@
      case ARG_FLOAT:
        if (! *((float **)field)) {
          *((float **)field) = (float *)malloc (sizeof (float));
          (*((float **)field))[0] = default_value->float_arg;
        }
        break;
@ENDIF@
@IF@ has_arg_double @THEN@
      case ARG_DOUBLE:
        if (! *((double **)field)) {
          *((double **)field) = (double *)malloc (sizeof (double));
          (*((double **)field))[0] = default_value->double_arg;
        }
        break;
@ENDIF@
@IF@ has_arg_longdouble @THEN@
      case ARG_LONGDOUBLE:
        if (! *((long double **)field)) {
          *((long double **)field) = (long double *)malloc (sizeof (long double));
          (*((long double **)field))[0] = default_value->longdouble_arg;
        }
        break;
@ENDIF@
@IF@ has_arg_longlong @THEN@
      case ARG_LONGLONG:
#if defined(HAVE_LONG_LONG) || defined(HAVE_LONG_LONG_INT)
        if (! *((long long int **)field)) {
          *((long long int **)field) = (long long int *)malloc (sizeof (long long int));
          (*((long long int **)field))[0] = default_value->longlong_arg;
        }
#else
        if (! *((long **)field)) {
          *((long **)field) = (long *)malloc (sizeof (long));
          (*((long **)field))[0] = default_value->longlong_arg;
        }
#endif
        break;
@ENDIF@
@IF@ has_arg_string @THEN@
      case ARG_STRING:
        if (! *((char ***)field)) {
          *((char ***)field) = (char **)malloc (sizeof (char *));
          (*((char ***)field))[0] = gengetopt_strdup(default_value->string_arg);
        }
        break;
@ENDIF@
      default: break;
      }
      if (!(*orig_field)) {
        *orig_field = (char **) malloc (sizeof (char *));
        (*orig_field)[0] = 0;
      }
    }
  }
}
@ENDIF@
@IF@ has_modes @THEN@

static int check_modes(
  int given1[], const char *options1[],
                       int given2[], const char *options2[])
{
  int i = 0, j = 0, errors = 0;
  
  while (given1[i] >= 0) {
    if (given1[i]) {
      while (given2[j] >= 0) {
        if (given2[j]) {
          ++errors;
          fprintf(stderr, "%s: option %s conflicts with option %s\n",
                  package_name, options1[i], options2[j]);
        }
        ++j;
      }
    }
    ++i;
  }
  
  return errors;
}
@ENDIF@

int
@parser_name@_internal (
  int argc, char **argv, struct @args_info@ *args_info,
                        struct @parser_name@_params *params, const char *additional_error)
{
  int c;	/* Character of the parsed option.  */
@IF@ multiple_options_with_default @THEN@
  union generic_value multiple_default_value;
@endif@
  @list_def:method{iteration=true}@
  int error_occurred = 0;
  struct @args_info@ local_args_info;
  
  int override;
  int initialize;
  int check_required;
  int check_ambiguity;
@IF@ include_getopt @THEN@

  char *optarg;
  int optind;
  int opterr;
  int optopt;
@ENDIF@
  
  package_name = argv[0];
  
  /* TODO: Why is this here? It is not used anywhere. */
  override = params->override;
  FIX_UNUSED(override);

  initialize = params->initialize;
  check_required = params->check_required;

  /* TODO: Why is this here? It is not used anywhere. */
  check_ambiguity = params->check_ambiguity;
  FIX_UNUSED(check_ambiguity);

  if (initialize)
    @parser_name@_init (args_info);

  @parser_name@_init (&local_args_info);

  optarg = 0;
  optind = 0;
  opterr = params->print_errors;
  optopt = '?';

  while (1)
    {
      int option_index = 0;

      static struct option long_options[] = {
        @long_option_struct:method{iteration=true}@
        { 0,  0, 0, 0 }
      };

      @IF@ include_getopt @THEN@
      custom_optarg = optarg;
      custom_optind = optind;
      custom_opterr = opterr;
      custom_optopt = optopt;

      c = custom_getopt_long (argc, argv, "@getopt_string@", long_options, &option_index);

      optarg = custom_optarg;
      optind = custom_optind;
      opterr = custom_opterr;
      optopt = custom_optopt;
      @ELSE@
      c = getopt_long (argc, argv, "@getopt_string@", long_options, &option_index);
      @ENDIF@

      if (c == -1) break;	/* Exit from `while (1)' loop.  */

      switch (c)
        {
        @handle_option:method{iteration=true}@

        case 0:	/* Long option with no short option */
          @handle_no_short_option:method{iteration=true}@
@IF@ handle_question_mark @THEN@
        case '?':	/* Invalid option.  */
          /* `getopt_long' already printed an error message.  */
          goto failure;
@ENDIF@

        default:	/* bug: option not considered.  */
          fprintf (stderr, "%s: option unknown: %c%s\n", @package_var_name@, c, (additional_error ? additional_error : ""));
          abort ();
        } /* switch */
    } /* while */

  @handle_group:method{iteration=true}@

  @multiple_fill_array:method{iteration=true}@
  @update_multiple_given:method{iteration=true}@
  @check_modes:method{iteration=true}@

@IF@ check_required_options @THEN@
  if (check_required)
    {
      error_occurred += @parser_name@_required2 (args_info, argv[0], additional_error);
    }
@ELSE@
	FIX_UNUSED(check_required);
@ENDIF@

  @parser_name@_release (&local_args_info);

  if ( error_occurred )
    return (EXIT_FAILURE);

@IF@ handle_unnamed @THEN@
  if (optind < argc)
    {
      int i = 0 ;
      int found_prog_name = 0;
      /* whether program name, i.e., argv[0], is in the remaining args
         (this may happen with some implementations of getopt,
          but surely not with the one included by gengetopt) */

@IF@ include_getopt @THEN@
@ELSE@
      i = optind;
      while (i < argc)
        if (argv[i++] == argv[0]) {
          found_prog_name = 1;
          break;
        }
      i = 0;
@ENDIF@

      args_info->inputs_num = argc - optind - found_prog_name;
      args_info->inputs =
        (char **)(malloc ((args_info->inputs_num)*sizeof(char *))) ;
      while (optind < argc)
@IF@ include_getopt @THEN@
        args_info->inputs[ i++ ] = gengetopt_strdup (argv[optind++]) ;
@ELSE@
        if (argv[optind++] != argv[0])
          args_info->inputs[ i++ ] = gengetopt_strdup (argv[optind-1]) ;
@ENDIF@
    }

@ENDIF@
  return 0;

failure:
  @list_free:method@
  @parser_name@_release (&local_args_info);
  return (EXIT_FAILURE);
}
@IF@ conf_parser @THEN@

#ifndef CONFIG_FILE_LINE_SIZE
#define CONFIG_FILE_LINE_SIZE 2048
#endif
#define ADDITIONAL_ERROR " in configuration file "

#define CONFIG_FILE_LINE_BUFFER_SIZE (CONFIG_FILE_LINE_SIZE+3)
/* 3 is for "--" and "=" */

static int
_@parser_name@_configfile (const char *filename, int *my_argc)
{
  FILE* file;
  char my_argv[CONFIG_FILE_LINE_BUFFER_SIZE+1];
  char linebuf[CONFIG_FILE_LINE_SIZE];
  int line_num = 0;
  int result = 0, equal;
  char *fopt, *farg;
  char *str_index;
  size_t len, next_token;
  char delimiter;

  if ((file = fopen(filename, "r")) == 0)
    {
      fprintf (stderr, "%s: Error opening configuration file '%s'\n",
               @package_var_name@, filename);
      return EXIT_FAILURE;
    }

  while ((fgets(linebuf, CONFIG_FILE_LINE_SIZE, file)) != 0)
    {
      ++line_num;
      my_argv[0] = '\0';
      len = strlen(linebuf);
      if (len > (CONFIG_FILE_LINE_BUFFER_SIZE-1))
        {
          fprintf (stderr, "%s:%s:%d: Line too long in configuration file\n",
                   @package_var_name@, filename, line_num);
          result = EXIT_FAILURE;
          break;
        }

      /* find first non-whitespace character in the line */
      next_token = strspn (linebuf, " \t\r\n");
      str_index  = linebuf + next_token;

      if ( str_index[0] == '\0' || str_index[0] == '#')
        continue; /* empty line or comment line is skipped */

      fopt = str_index;

      /* truncate fopt at the end of the first non-valid character */
      next_token = strcspn (fopt, " \t\r\n=");

      if (fopt[next_token] == '\0') /* the line is over */
        {
          farg  = 0;
          equal = 0;
          goto noarg;
        }

      /* remember if equal sign is present */
      equal = (fopt[next_token] == '=');
      fopt[next_token++] = '\0';

      /* advance pointers to the next token after the end of fopt */
      next_token += strspn (fopt + next_token, " \t\r\n");

      /* check for the presence of equal sign, and if so, skip it */
      if ( !equal )
        if ((equal = (fopt[next_token] == '=')))
          {
            next_token++;
            next_token += strspn (fopt + next_token, " \t\r\n");
          }
      str_index  += next_token;

      /* find argument */
      farg = str_index;
      if ( farg[0] == '\"' || farg[0] == '\'' )
        { /* quoted argument */
          str_index = strchr (++farg, str_index[0] ); /* skip opening quote */
          if (! str_index)
            {
              fprintf
                (stderr,
                 "%s:%s:%d: unterminated string in configuration file\n",
                 @package_var_name@, filename, line_num);
              result = EXIT_FAILURE;
              break;
            }
        }
      else
        { /* read up the remaining part up to a delimiter */
          next_token = strcspn (farg, " \t\r\n#\'\"");
          str_index += next_token;
        }

      /* truncate farg at the delimiter and store it for further check */
      delimiter = *str_index, *str_index++ = '\0';

      /* everything but comment is illegal at the end of line */
      if (delimiter != '\0' && delimiter != '#')
        {
          str_index += strspn(str_index, " \t\r\n");
          if (*str_index != '\0' && *str_index != '#')
            {
              fprintf
                (stderr,
                 "%s:%s:%d: malformed string in configuration file\n",
                 @package_var_name@, filename, line_num);
              result = EXIT_FAILURE;
              break;
            }
        }

    noarg:
      if (!strcmp(fopt,"include")) {
        if (farg && *farg) {
          result = _@parser_name@_configfile(farg, my_argc);
        } else {
          fprintf(stderr, "%s:%s:%d: include requires a filename argument.\n",
                  @package_var_name@, filename, line_num);
        }
        continue;
      }
      len = strlen(fopt);
      strcat (my_argv, len > 1 ? "--" : "-");
      strcat (my_argv, fopt);
      if (len > 1 && ((farg && *farg) || equal))
        strcat (my_argv, "=");
      if (farg && *farg)
        strcat (my_argv, farg);
      ++(*my_argc);

      cmd_line_list_tmp = (struct line_list *) malloc (sizeof (struct line_list));
      cmd_line_list_tmp->next = cmd_line_list;
      cmd_line_list = cmd_line_list_tmp;
      cmd_line_list->string_arg = gengetopt_strdup(my_argv);
    } /* while */

  if (file)
    fclose(file);
  return result;
}

int
@parser_name@_configfile (
  const char *filename,
                           struct @args_info@ *args_info,
                           int override, int initialize, int check_required)
{
  struct @parser_name@_params params;

  params.override = override;
  params.initialize = initialize;
  params.check_required = check_required;
  params.check_ambiguity = 0;
  params.print_errors = 1;
  
  return @parser_name@_config_file (filename, args_info, &params);
}

int
@parser_name@_config_file (const char *filename,
                           struct @args_info@ *args_info,
                           struct @parser_name@_params *params)
{
  int i, result;
  int my_argc = 1;
  char **my_argv_arg;
  char *additional_error;

  /* store the program name */
  cmd_line_list_tmp = (struct line_list *) malloc (sizeof (struct line_list));
  cmd_line_list_tmp->next = cmd_line_list;
  cmd_line_list = cmd_line_list_tmp;
  cmd_line_list->string_arg = gengetopt_strdup (@package_var_name@);

  result = _@parser_name@_configfile(filename, &my_argc);

  if (result != EXIT_FAILURE) {
    my_argv_arg = (char **) malloc((my_argc+1) * sizeof(char *));
    cmd_line_list_tmp = cmd_line_list;

    for (i = my_argc - 1; i >= 0; --i) {
      my_argv_arg[i] = cmd_line_list_tmp->string_arg;
      cmd_line_list_tmp = cmd_line_list_tmp->next;
    }

    my_argv_arg[my_argc] = 0;

    additional_error = (char *)malloc(strlen(filename) + strlen(ADDITIONAL_ERROR) + 1);
    strcpy (additional_error, ADDITIONAL_ERROR);
    strcat (additional_error, filename);
    result =
      @parser_name@_internal (my_argc, my_argv_arg, args_info,
                              params,
                              additional_error);

    free (additional_error);
    free (my_argv_arg);
  }

  free_cmd_list();
  @final_exit@
}
@ENDIF@
@IF@ generate_string_parser @THEN@

static unsigned int
@parser_name@_create_argv(const char *cmdline_, char ***argv_ptr, const char *prog_name)
{
  char *cmdline, *p;
  size_t n = 0, j;
  int i;

  if (prog_name) {
    cmd_line_list_tmp = (struct line_list *) malloc (sizeof (struct line_list));
    cmd_line_list_tmp->next = cmd_line_list;
    cmd_line_list = cmd_line_list_tmp;
    cmd_line_list->string_arg = gengetopt_strdup (prog_name);

    ++n;
  }

  cmdline = gengetopt_strdup(cmdline_);
  p = cmdline;

  while (p && strlen(p))
    {
      j = strcspn(p, " \t");
      ++n;
      if (j && j < strlen(p))
        {
          p[j] = '\0';

          cmd_line_list_tmp = (struct line_list *) malloc (sizeof (struct line_list));
          cmd_line_list_tmp->next = cmd_line_list;
          cmd_line_list = cmd_line_list_tmp;
          cmd_line_list->string_arg = gengetopt_strdup (p);

          p += (j+1);
          p += strspn(p, " \t");
        }
      else
        {
          cmd_line_list_tmp = (struct line_list *) malloc (sizeof (struct line_list));
          cmd_line_list_tmp->next = cmd_line_list;
          cmd_line_list = cmd_line_list_tmp;
          cmd_line_list->string_arg = gengetopt_strdup (p);

          break;
        }
    }

  *argv_ptr = (char **) malloc((n + 1) * sizeof(char *));
  cmd_line_list_tmp = cmd_line_list;
  for (i = (n-1); i >= 0; --i)
    {
      (*argv_ptr)[i] = cmd_line_list_tmp->string_arg;
      cmd_line_list_tmp = cmd_line_list_tmp->next;
    }

  (*argv_ptr)[n] = 0;

  free(cmdline);
  return n;
}

int
@parser_name@_string(const char *cmdline, struct @args_info@ *args_info, const char *prog_name)
{
  return @parser_name@_string2(cmdline, args_info, prog_name, 0, 1, 1);
}

int
@parser_name@_string2(const char *cmdline, struct @args_info@ *args_info, const char *prog_name,
    int override, int initialize, int check_required)
{
  struct @parser_name@_params params;

  params.override = override;
  params.initialize = initialize;
  params.check_required = check_required;
  params.check_ambiguity = 0;
  params.print_errors = 1;

  return @parser_name@_string_ext(cmdline, args_info, prog_name, &params);
}

int
@parser_name@_string_ext(const char *cmdline, struct @args_info@ *args_info, const char *prog_name,
    struct @parser_name@_params *params)
{
  char **argv_ptr = 0;
  int result;
  unsigned int argc;
  
  argc = @parser_name@_create_argv(cmdline, &argv_ptr, prog_name);
  
  result =
    @parser_name@_internal (argc, argv_ptr, args_info, params, 0);
  
  if (argv_ptr)
    {
      free (argv_ptr);
    }

  free_cmd_list();
  
  @final_exit@
}

@ENDIF@
/* vim: set ft=c noet ts=8 sts=8 sw=8 tw=80 nojs spell : */