applications/recenter/recenterCmd.cpp

/*
  File autogenerated by gengetopt version 2.22.4
  generated with the following command:
  gengetopt --file-name recenterCmd --unamed-opts 

  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

#include <getopt.h>

#include "recenterCmd.h"

const char *gengetopt_args_info_purpose = "Moves all integrable objects in an OpenMD file so that the center of mass is at \nthe origin.";

const char *gengetopt_args_info_usage = "Usage: recenter [OPTIONS]... [FILES]...";

const char *gengetopt_args_info_description = "";

const char *gengetopt_args_info_help[] = {
  "  -h, --help           Print help and exit",
  "  -V, --version        Print version and exit",
  "  -o, --output=STRING  Output file name",
    0
};

typedef enum {ARG_NO
  , ARG_STRING
} cmdline_parser_arg_type;

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

static int
cmdline_parser_internal (int argc, char **argv, struct gengetopt_args_info *args_info,
                        struct cmdline_parser_params *params, const char *additional_error);

static int
cmdline_parser_required2 (struct gengetopt_args_info *args_info, const char *prog_name, const char *additional_error);

static char *
gengetopt_strdup (const char *s);

static
void clear_given (struct gengetopt_args_info *args_info)
{
  args_info->help_given = 0 ;
  args_info->version_given = 0 ;
  args_info->output_given = 0 ;
}

static
void clear_args (struct gengetopt_args_info *args_info)
{
  FIX_UNUSED (args_info);
  args_info->output_arg = NULL;
  args_info->output_orig = NULL;
  
}

static
void init_args_info(struct gengetopt_args_info *args_info)
{


  args_info->help_help = gengetopt_args_info_help[0] ;
  args_info->version_help = gengetopt_args_info_help[1] ;
  args_info->output_help = gengetopt_args_info_help[2] ;
  
}

void
cmdline_parser_print_version (void)
{
  printf ("%s %s\n",
     (strlen(CMDLINE_PARSER_PACKAGE_NAME) ? CMDLINE_PARSER_PACKAGE_NAME : CMDLINE_PARSER_PACKAGE),
     CMDLINE_PARSER_VERSION);
}

static void print_help_common(void) {
  cmdline_parser_print_version ();

  if (strlen(gengetopt_args_info_purpose) > 0)
    printf("\n%s\n", gengetopt_args_info_purpose);

  if (strlen(gengetopt_args_info_usage) > 0)
    printf("\n%s\n", gengetopt_args_info_usage);

  printf("\n");

  if (strlen(gengetopt_args_info_description) > 0)
    printf("%s\n\n", gengetopt_args_info_description);
}

void
cmdline_parser_print_help (void)
{
  int i = 0;
  print_help_common();
  while (gengetopt_args_info_help[i])
    printf("%s\n", gengetopt_args_info_help[i++]);
}

void
cmdline_parser_init (struct gengetopt_args_info *args_info)
{
  clear_given (args_info);
  clear_args (args_info);
  init_args_info (args_info);

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

void
cmdline_parser_params_init(struct cmdline_parser_params *params)
{
  if (params)
    { 
      params->override = 0;
      params->initialize = 1;
      params->check_required = 1;
      params->check_ambiguity = 0;
      params->print_errors = 1;
    }
}

struct cmdline_parser_params *
cmdline_parser_params_create(void)
{
  struct cmdline_parser_params *params = 
    (struct cmdline_parser_params *)malloc(sizeof(struct cmdline_parser_params));
  cmdline_parser_params_init(params);  
  return params;
}

static void
free_string_field (char **s)
{
  if (*s)
    {
      free (*s);
      *s = 0;
    }
}


static void
cmdline_parser_release (struct gengetopt_args_info *args_info)
{
  unsigned int i;
  free_string_field (&(args_info->output_arg));
  free_string_field (&(args_info->output_orig));
  
  
  for (i = 0; i < args_info->inputs_num; ++i)
    free (args_info->inputs [i]);

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

  clear_given (args_info);
}


static void
write_into_file(FILE *outfile, const char *opt, const char *arg, const char *values[])
{
  FIX_UNUSED (values);
  if (arg) {
    fprintf(outfile, "%s=\"%s\"\n", opt, arg);
  } else {
    fprintf(outfile, "%s\n", opt);
  }
}


int
cmdline_parser_dump(FILE *outfile, struct gengetopt_args_info *args_info)
{
  int i = 0;

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

  if (args_info->help_given)
    write_into_file(outfile, "help", 0, 0 );
  if (args_info->version_given)
    write_into_file(outfile, "version", 0, 0 );
  if (args_info->output_given)
    write_into_file(outfile, "output", args_info->output_orig, 0);
  

  i = EXIT_SUCCESS;
  return i;
}

int
cmdline_parser_file_save(const char *filename, struct gengetopt_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", CMDLINE_PARSER_PACKAGE, filename);
      return EXIT_FAILURE;
    }

  i = cmdline_parser_dump(outfile, args_info);
  fclose (outfile);

  return i;
}

void
cmdline_parser_free (struct gengetopt_args_info *args_info)
{
  cmdline_parser_release (args_info);
}

/** @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;
}

int
cmdline_parser (int argc, char **argv, struct gengetopt_args_info *args_info)
{
  return cmdline_parser2 (argc, argv, args_info, 0, 1, 1);
}

int
cmdline_parser_ext (int argc, char **argv, struct gengetopt_args_info *args_info,
                   struct cmdline_parser_params *params)
{
  int result;
  result = cmdline_parser_internal (argc, argv, args_info, params, 0);

  if (result == EXIT_FAILURE)
    {
      cmdline_parser_free (args_info);
      exit (EXIT_FAILURE);
    }
  
  return result;
}

int
cmdline_parser2 (int argc, char **argv, struct gengetopt_args_info *args_info, int override, int initialize, int check_required)
{
  int result;
  struct cmdline_parser_params params;
  
  params.override = override;
  params.initialize = initialize;
  params.check_required = check_required;
  params.check_ambiguity = 0;
  params.print_errors = 1;

  result = cmdline_parser_internal (argc, argv, args_info, &params, 0);

  if (result == EXIT_FAILURE)
    {
      cmdline_parser_free (args_info);
      exit (EXIT_FAILURE);
    }
  
  return result;
}

int
cmdline_parser_required (struct gengetopt_args_info *args_info, const char *prog_name)
{
  int result = EXIT_SUCCESS;

  if (cmdline_parser_required2(args_info, prog_name, 0) > 0)
    result = EXIT_FAILURE;

  if (result == EXIT_FAILURE)
    {
      cmdline_parser_free (args_info);
      exit (EXIT_FAILURE);
    }
  
  return result;
}

int
cmdline_parser_required2 (struct gengetopt_args_info *args_info, const char *prog_name, const char *additional_error)
{
  int error = 0;
  FIX_UNUSED (additional_error);

  /* checks for required options */
  if (! args_info->output_given)
    {
      fprintf (stderr, "%s: '--output' ('-o') option required%s\n", prog_name, (additional_error ? additional_error : ""));
      error = 1;
    }
  
  
  /* checks for dependences among options */

  return error;
}


static char *package_name = 0;

/**
 * @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 cmdline_parser_params.check_ambiguity
 * @param override @see cmdline_parser_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,
               cmdline_parser_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;
  char **string_field;
  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 */
    }

  FIX_UNUSED (default_value);
    
  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) {
  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;
  default:
    break;
  };


  /* store the original value */
  switch(arg_type) {
  case ARG_NO:
    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 */
}


int
cmdline_parser_internal (
  int argc, char **argv, struct gengetopt_args_info *args_info,
                        struct cmdline_parser_params *params, const char *additional_error)
{
  int c;        /* Character of the parsed option.  */

  int error = 0;
  struct gengetopt_args_info local_args_info;
  
  int override;
  int initialize;
  int check_required;
  int check_ambiguity;
  
  package_name = argv[0];
  
  override = params->override;
  initialize = params->initialize;
  check_required = params->check_required;
  check_ambiguity = params->check_ambiguity;

  if (initialize)
    cmdline_parser_init (args_info);

  cmdline_parser_init (&local_args_info);

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

  while (1)
    {
      int option_index = 0;

      static struct option long_options[] = {
        { "help",       0, NULL, 'h' },
        { "version",    0, NULL, 'V' },
        { "output",     1, NULL, 'o' },
        { 0,  0, 0, 0 }
      };

      c = getopt_long (argc, argv, "hVo:", long_options, &option_index);

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

      switch (c)
        {
        case 'h':       /* Print help and exit.  */
          cmdline_parser_print_help ();
          cmdline_parser_free (&local_args_info);
          exit (EXIT_SUCCESS);

        case 'V':       /* Print version and exit.  */
          cmdline_parser_print_version ();
          cmdline_parser_free (&local_args_info);
          exit (EXIT_SUCCESS);

        case 'o':       /* Output file name.  */
        
        
          if (update_arg( (void *)&(args_info->output_arg), 
               &(args_info->output_orig), &(args_info->output_given),
              &(local_args_info.output_given), optarg, 0, 0, ARG_STRING,
              check_ambiguity, override, 0, 0,
              "output", 'o',
              additional_error))
            goto failure;
        
          break;

        case 0: /* Long option with no short option */
        case '?':       /* Invalid option.  */
          /* `getopt_long' already printed an error message.  */
          goto failure;

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


  if (check_required)
    {
      error += cmdline_parser_required2 (args_info, argv[0], additional_error);
    }

  cmdline_parser_release (&local_args_info);

  if ( error )
    return (EXIT_FAILURE);

  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) */

      i = optind;
      while (i < argc)
        if (argv[i++] == argv[0]) {
          found_prog_name = 1;
          break;
        }
      i = 0;

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

  return 0;

failure:
  
  cmdline_parser_release (&local_args_info);
  return (EXIT_FAILURE);
}
Revision:	1857
Committed:	Wed Apr 3 18:27:48 2013 UTC (12 years, 1 month ago) by kstocke1
Original Path:	*branches/development/src/applications/recenter/recenterCmd.cpp*
File size:	14015 byte(s)
Log Message:	Added utility to recenter a simulation on the center of mass
#	Content
1	/*
2	File autogenerated by gengetopt version 2.22.4
3	generated with the following command:
4	gengetopt --file-name recenterCmd --unamed-opts
5
6	The developers of gengetopt consider the fixed text that goes in all
7	gengetopt output files to be in the public domain:
8	we make no copyright claims on it.
9	*/
10
11	/* If we use autoconf. */
12	#ifdef HAVE_CONFIG_H
13	#include "config.h"
14	#endif
15
16	#include <stdio.h>
17	#include <stdlib.h>
18	#include <string.h>
19
20	#ifndef FIX_UNUSED
21	#define FIX_UNUSED(X) (void) (X) /* avoid warnings for unused params */
22	#endif
23
24	#include <getopt.h>
25
26	#include "recenterCmd.h"
27
28	const char *gengetopt_args_info_purpose = "Moves all integrable objects in an OpenMD file so that the center of mass is at \nthe origin.";
29
30	const char *gengetopt_args_info_usage = "Usage: recenter [OPTIONS]... [FILES]...";
31
32	const char *gengetopt_args_info_description = "";
33
34	const char *gengetopt_args_info_help[] = {
35	" -h, --help Print help and exit",
36	" -V, --version Print version and exit",
37	" -o, --output=STRING Output file name",
38	0
39	};
40
41	typedef enum {ARG_NO
42	, ARG_STRING
43	} cmdline_parser_arg_type;
44
45	static
46	void clear_given (struct gengetopt_args_info *args_info);
47	static
48	void clear_args (struct gengetopt_args_info *args_info);
49
50	static int
51	cmdline_parser_internal (int argc, char *argv, struct gengetopt_args_info args_info,
52	struct cmdline_parser_params params, const char additional_error);
53
54	static int
55	cmdline_parser_required2 (struct gengetopt_args_info args_info, const char prog_name, const char *additional_error);
56
57	static char *
58	gengetopt_strdup (const char *s);
59
60	static
61	void clear_given (struct gengetopt_args_info *args_info)
62	{
63	args_info->help_given = 0 ;
64	args_info->version_given = 0 ;
65	args_info->output_given = 0 ;
66	}
67
68	static
69	void clear_args (struct gengetopt_args_info *args_info)
70	{
71	FIX_UNUSED (args_info);
72	args_info->output_arg = NULL;
73	args_info->output_orig = NULL;
74
75	}
76
77	static
78	void init_args_info(struct gengetopt_args_info *args_info)
79	{
80
81
82	args_info->help_help = gengetopt_args_info_help[0] ;
83	args_info->version_help = gengetopt_args_info_help[1] ;
84	args_info->output_help = gengetopt_args_info_help[2] ;
85
86	}
87
88	void
89	cmdline_parser_print_version (void)
90	{
91	printf ("%s %s\n",
92	(strlen(CMDLINE_PARSER_PACKAGE_NAME) ? CMDLINE_PARSER_PACKAGE_NAME : CMDLINE_PARSER_PACKAGE),
93	CMDLINE_PARSER_VERSION);
94	}
95
96	static void print_help_common(void) {
97	cmdline_parser_print_version ();
98
99	if (strlen(gengetopt_args_info_purpose) > 0)
100	printf("\n%s\n", gengetopt_args_info_purpose);
101
102	if (strlen(gengetopt_args_info_usage) > 0)
103	printf("\n%s\n", gengetopt_args_info_usage);
104
105	printf("\n");
106
107	if (strlen(gengetopt_args_info_description) > 0)
108	printf("%s\n\n", gengetopt_args_info_description);
109	}
110
111	void
112	cmdline_parser_print_help (void)
113	{
114	int i = 0;
115	print_help_common();
116	while (gengetopt_args_info_help[i])
117	printf("%s\n", gengetopt_args_info_help[i++]);
118	}
119
120	void
121	cmdline_parser_init (struct gengetopt_args_info *args_info)
122	{
123	clear_given (args_info);
124	clear_args (args_info);
125	init_args_info (args_info);
126
127	args_info->inputs = 0;
128	args_info->inputs_num = 0;
129	}
130
131	void
132	cmdline_parser_params_init(struct cmdline_parser_params *params)
133	{
134	if (params)
135	{
136	params->override = 0;
137	params->initialize = 1;
138	params->check_required = 1;
139	params->check_ambiguity = 0;
140	params->print_errors = 1;
141	}
142	}
143
144	struct cmdline_parser_params *
145	cmdline_parser_params_create(void)
146	{
147	struct cmdline_parser_params *params =
148	(struct cmdline_parser_params *)malloc(sizeof(struct cmdline_parser_params));
149	cmdline_parser_params_init(params);
150	return params;
151	}
152
153	static void
154	free_string_field (char **s)
155	{
156	if (*s)
157	{
158	free (*s);
159	*s = 0;
160	}
161	}
162
163
164	static void
165	cmdline_parser_release (struct gengetopt_args_info *args_info)
166	{
167	unsigned int i;
168	free_string_field (&(args_info->output_arg));
169	free_string_field (&(args_info->output_orig));
170
171
172	for (i = 0; i < args_info->inputs_num; ++i)
173	free (args_info->inputs [i]);
174
175	if (args_info->inputs_num)
176	free (args_info->inputs);
177
178	clear_given (args_info);
179	}
180
181
182	static void
183	write_into_file(FILE outfile, const char opt, const char arg, const char values[])
184	{
185	FIX_UNUSED (values);
186	if (arg) {
187	fprintf(outfile, "%s=\"%s\"\n", opt, arg);
188	} else {
189	fprintf(outfile, "%s\n", opt);
190	}
191	}
192
193
194	int
195	cmdline_parser_dump(FILE outfile, struct gengetopt_args_info args_info)
196	{
197	int i = 0;
198
199	if (!outfile)
200	{
201	fprintf (stderr, "%s: cannot dump options to stream\n", CMDLINE_PARSER_PACKAGE);
202	return EXIT_FAILURE;
203	}
204
205	if (args_info->help_given)
206	write_into_file(outfile, "help", 0, 0 );
207	if (args_info->version_given)
208	write_into_file(outfile, "version", 0, 0 );
209	if (args_info->output_given)
210	write_into_file(outfile, "output", args_info->output_orig, 0);
211
212
213	i = EXIT_SUCCESS;
214	return i;
215	}
216
217	int
218	cmdline_parser_file_save(const char filename, struct gengetopt_args_info args_info)
219	{
220	FILE *outfile;
221	int i = 0;
222
223	outfile = fopen(filename, "w");
224
225	if (!outfile)
226	{
227	fprintf (stderr, "%s: cannot open file for writing: %s\n", CMDLINE_PARSER_PACKAGE, filename);
228	return EXIT_FAILURE;
229	}
230
231	i = cmdline_parser_dump(outfile, args_info);
232	fclose (outfile);
233
234	return i;
235	}
236
237	void
238	cmdline_parser_free (struct gengetopt_args_info *args_info)
239	{
240	cmdline_parser_release (args_info);
241	}
242
243	/** @brief replacement of strdup, which is not standard */
244	char *
245	gengetopt_strdup (const char *s)
246	{
247	char *result = 0;
248	if (!s)
249	return result;
250
251	result = (char*)malloc(strlen(s) + 1);
252	if (result == (char*)0)
253	return (char*)0;
254	strcpy(result, s);
255	return result;
256	}
257
258	int
259	cmdline_parser (int argc, char *argv, struct gengetopt_args_info args_info)
260	{
261	return cmdline_parser2 (argc, argv, args_info, 0, 1, 1);
262	}
263
264	int
265	cmdline_parser_ext (int argc, char *argv, struct gengetopt_args_info args_info,
266	struct cmdline_parser_params *params)
267	{
268	int result;
269	result = cmdline_parser_internal (argc, argv, args_info, params, 0);
270
271	if (result == EXIT_FAILURE)
272	{
273	cmdline_parser_free (args_info);
274	exit (EXIT_FAILURE);
275	}
276
277	return result;
278	}
279
280	int
281	cmdline_parser2 (int argc, char *argv, struct gengetopt_args_info args_info, int override, int initialize, int check_required)
282	{
283	int result;
284	struct cmdline_parser_params params;
285
286	params.override = override;
287	params.initialize = initialize;
288	params.check_required = check_required;
289	params.check_ambiguity = 0;
290	params.print_errors = 1;
291
292	result = cmdline_parser_internal (argc, argv, args_info, &params, 0);
293
294	if (result == EXIT_FAILURE)
295	{
296	cmdline_parser_free (args_info);
297	exit (EXIT_FAILURE);
298	}
299
300	return result;
301	}
302
303	int
304	cmdline_parser_required (struct gengetopt_args_info args_info, const char prog_name)
305	{
306	int result = EXIT_SUCCESS;
307
308	if (cmdline_parser_required2(args_info, prog_name, 0) > 0)
309	result = EXIT_FAILURE;
310
311	if (result == EXIT_FAILURE)
312	{
313	cmdline_parser_free (args_info);
314	exit (EXIT_FAILURE);
315	}
316
317	return result;
318	}
319
320	int
321	cmdline_parser_required2 (struct gengetopt_args_info args_info, const char prog_name, const char *additional_error)
322	{
323	int error = 0;
324	FIX_UNUSED (additional_error);
325
326	/* checks for required options */
327	if (! args_info->output_given)
328	{
329	fprintf (stderr, "%s: '--output' ('-o') option required%s\n", prog_name, (additional_error ? additional_error : ""));
330	error = 1;
331	}
332
333
334	/* checks for dependences among options */
335
336	return error;
337	}
338
339
340	static char *package_name = 0;
341
342	/**
343	* @brief updates an option
344	* @param field the generic pointer to the field to update
345	* @param orig_field the pointer to the orig field
346	* @param field_given the pointer to the number of occurrence of this option
347	* @param prev_given the pointer to the number of occurrence already seen
348	* @param value the argument for this option (if null no arg was specified)
349	* @param possible_values the possible values for this option (if specified)
350	* @param default_value the default value (in case the option only accepts fixed values)
351	* @param arg_type the type of this option
352	* @param check_ambiguity @see cmdline_parser_params.check_ambiguity
353	* @param override @see cmdline_parser_params.override
354	* @param no_free whether to free a possible previous value
355	* @param multiple_option whether this is a multiple option
356	* @param long_opt the corresponding long option
357	* @param short_opt the corresponding short option (or '-' if none)
358	* @param additional_error possible further error specification
359	*/
360	static
361	int update_arg(void field, char *orig_field,
362	unsigned int field_given, unsigned int prev_given,
363	char value, const char possible_values[],
364	const char *default_value,
365	cmdline_parser_arg_type arg_type,
366	int check_ambiguity, int override,
367	int no_free, int multiple_option,
368	const char *long_opt, char short_opt,
369	const char *additional_error)
370	{
371	char *stop_char = 0;
372	const char *val = value;
373	int found;
374	char **string_field;
375	FIX_UNUSED (field);
376
377	stop_char = 0;
378	found = 0;
379
380	if (!multiple_option && prev_given && (prev_given \|\| (check_ambiguity && field_given)))
381	{
382	if (short_opt != '-')
383	fprintf (stderr, "%s: `--%s' (`-%c') option given more than once%s\n",
384	package_name, long_opt, short_opt,
385	(additional_error ? additional_error : ""));
386	else
387	fprintf (stderr, "%s: `--%s' option given more than once%s\n",
388	package_name, long_opt,
389	(additional_error ? additional_error : ""));
390	return 1; /* failure */
391	}
392
393	FIX_UNUSED (default_value);
394
395	if (field_given && *field_given && ! override)
396	return 0;
397	if (prev_given)
398	(*prev_given)++;
399	if (field_given)
400	(*field_given)++;
401	if (possible_values)
402	val = possible_values[found];
403
404	switch(arg_type) {
405	case ARG_STRING:
406	if (val) {
407	string_field = (char **)field;
408	if (!no_free && *string_field)
409	free (string_field); / free previous string */
410	*string_field = gengetopt_strdup (val);
411	}
412	break;
413	default:
414	break;
415	};
416
417
418	/* store the original value */
419	switch(arg_type) {
420	case ARG_NO:
421	break;
422	default:
423	if (value && orig_field) {
424	if (no_free) {
425	*orig_field = value;
426	} else {
427	if (*orig_field)
428	free (orig_field); / free previous string */
429	*orig_field = gengetopt_strdup (value);
430	}
431	}
432	};
433
434	return 0; /* OK */
435	}
436
437
438	int
439	cmdline_parser_internal (
440	int argc, char *argv, struct gengetopt_args_info args_info,
441	struct cmdline_parser_params params, const char additional_error)
442	{
443	int c; /* Character of the parsed option. */
444
445	int error = 0;
446	struct gengetopt_args_info local_args_info;
447
448	int override;
449	int initialize;
450	int check_required;
451	int check_ambiguity;
452
453	package_name = argv[0];
454
455	override = params->override;
456	initialize = params->initialize;
457	check_required = params->check_required;
458	check_ambiguity = params->check_ambiguity;
459
460	if (initialize)
461	cmdline_parser_init (args_info);
462
463	cmdline_parser_init (&local_args_info);
464
465	optarg = 0;
466	optind = 0;
467	opterr = params->print_errors;
468	optopt = '?';
469
470	while (1)
471	{
472	int option_index = 0;
473
474	static struct option long_options[] = {
475	{ "help", 0, NULL, 'h' },
476	{ "version", 0, NULL, 'V' },
477	{ "output", 1, NULL, 'o' },
478	{ 0, 0, 0, 0 }
479	};
480
481	c = getopt_long (argc, argv, "hVo:", long_options, &option_index);
482
483	if (c == -1) break; /* Exit from `while (1)' loop. */
484
485	switch (c)
486	{
487	case 'h': /* Print help and exit. */
488	cmdline_parser_print_help ();
489	cmdline_parser_free (&local_args_info);
490	exit (EXIT_SUCCESS);
491
492	case 'V': /* Print version and exit. */
493	cmdline_parser_print_version ();
494	cmdline_parser_free (&local_args_info);
495	exit (EXIT_SUCCESS);
496
497	case 'o': /* Output file name. */
498
499
500	if (update_arg( (void *)&(args_info->output_arg),
501	&(args_info->output_orig), &(args_info->output_given),
502	&(local_args_info.output_given), optarg, 0, 0, ARG_STRING,
503	check_ambiguity, override, 0, 0,
504	"output", 'o',
505	additional_error))
506	goto failure;
507
508	break;
509
510	case 0: /* Long option with no short option */
511	case '?': /* Invalid option. */
512	/* `getopt_long' already printed an error message. */
513	goto failure;
514
515	default: /* bug: option not considered. */
516	fprintf (stderr, "%s: option unknown: %c%s\n", CMDLINE_PARSER_PACKAGE, c, (additional_error ? additional_error : ""));
517	abort ();
518	} /* switch */
519	} /* while */
520
521
522
523	if (check_required)
524	{
525	error += cmdline_parser_required2 (args_info, argv[0], additional_error);
526	}
527
528	cmdline_parser_release (&local_args_info);
529
530	if ( error )
531	return (EXIT_FAILURE);
532
533	if (optind < argc)
534	{
535	int i = 0 ;
536	int found_prog_name = 0;
537	/* whether program name, i.e., argv[0], is in the remaining args
538	(this may happen with some implementations of getopt,
539	but surely not with the one included by gengetopt) */
540
541	i = optind;
542	while (i < argc)
543	if (argv[i++] == argv[0]) {
544	found_prog_name = 1;
545	break;
546	}
547	i = 0;
548
549	args_info->inputs_num = argc - optind - found_prog_name;
550	args_info->inputs =
551	(char *)(malloc ((args_info->inputs_num)sizeof(char *))) ;
552	while (optind < argc)
553	if (argv[optind++] != argv[0])
554	args_info->inputs[ i++ ] = gengetopt_strdup (argv[optind-1]) ;
555	}
556
557	return 0;
558
559	failure:
560
561	cmdline_parser_release (&local_args_info);
562	return (EXIT_FAILURE);
563	}