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

#ifdef WIN32
#include "utils/wingetopt.h"
#else
#include <getopt.h>
#endif

#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:	1876
Committed:	Fri May 17 17:10:11 2013 UTC (11 years, 11 months ago) by gezelter
File size:	14070 byte(s)
Log Message:	Compilation and portability fixes
#	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	#ifdef WIN32
25	#include "utils/wingetopt.h"
26	#else
27	#include <getopt.h>
28	#endif
29
30	#include "recenterCmd.h"
31
32	const char *gengetopt_args_info_purpose = "Moves all integrable objects in an OpenMD file so that the center of mass is at \nthe origin.";
33
34	const char *gengetopt_args_info_usage = "Usage: recenter [OPTIONS]... [FILES]...";
35
36	const char *gengetopt_args_info_description = "";
37
38	const char *gengetopt_args_info_help[] = {
39	" -h, --help Print help and exit",
40	" -V, --version Print version and exit",
41	" -o, --output=STRING Output file name",
42	0
43	};
44
45	typedef enum {ARG_NO
46	, ARG_STRING
47	} cmdline_parser_arg_type;
48
49	static
50	void clear_given (struct gengetopt_args_info *args_info);
51	static
52	void clear_args (struct gengetopt_args_info *args_info);
53
54	static int
55	cmdline_parser_internal (int argc, char *argv, struct gengetopt_args_info args_info,
56	struct cmdline_parser_params params, const char additional_error);
57
58	static int
59	cmdline_parser_required2 (struct gengetopt_args_info args_info, const char prog_name, const char *additional_error);
60
61	static char *
62	gengetopt_strdup (const char *s);
63
64	static
65	void clear_given (struct gengetopt_args_info *args_info)
66	{
67	args_info->help_given = 0 ;
68	args_info->version_given = 0 ;
69	args_info->output_given = 0 ;
70	}
71
72	static
73	void clear_args (struct gengetopt_args_info *args_info)
74	{
75	FIX_UNUSED (args_info);
76	args_info->output_arg = NULL;
77	args_info->output_orig = NULL;
78
79	}
80
81	static
82	void init_args_info(struct gengetopt_args_info *args_info)
83	{
84
85
86	args_info->help_help = gengetopt_args_info_help[0] ;
87	args_info->version_help = gengetopt_args_info_help[1] ;
88	args_info->output_help = gengetopt_args_info_help[2] ;
89
90	}
91
92	void
93	cmdline_parser_print_version (void)
94	{
95	printf ("%s %s\n",
96	(strlen(CMDLINE_PARSER_PACKAGE_NAME) ? CMDLINE_PARSER_PACKAGE_NAME : CMDLINE_PARSER_PACKAGE),
97	CMDLINE_PARSER_VERSION);
98	}
99
100	static void print_help_common(void) {
101	cmdline_parser_print_version ();
102
103	if (strlen(gengetopt_args_info_purpose) > 0)
104	printf("\n%s\n", gengetopt_args_info_purpose);
105
106	if (strlen(gengetopt_args_info_usage) > 0)
107	printf("\n%s\n", gengetopt_args_info_usage);
108
109	printf("\n");
110
111	if (strlen(gengetopt_args_info_description) > 0)
112	printf("%s\n\n", gengetopt_args_info_description);
113	}
114
115	void
116	cmdline_parser_print_help (void)
117	{
118	int i = 0;
119	print_help_common();
120	while (gengetopt_args_info_help[i])
121	printf("%s\n", gengetopt_args_info_help[i++]);
122	}
123
124	void
125	cmdline_parser_init (struct gengetopt_args_info *args_info)
126	{
127	clear_given (args_info);
128	clear_args (args_info);
129	init_args_info (args_info);
130
131	args_info->inputs = 0;
132	args_info->inputs_num = 0;
133	}
134
135	void
136	cmdline_parser_params_init(struct cmdline_parser_params *params)
137	{
138	if (params)
139	{
140	params->override = 0;
141	params->initialize = 1;
142	params->check_required = 1;
143	params->check_ambiguity = 0;
144	params->print_errors = 1;
145	}
146	}
147
148	struct cmdline_parser_params *
149	cmdline_parser_params_create(void)
150	{
151	struct cmdline_parser_params *params =
152	(struct cmdline_parser_params *)malloc(sizeof(struct cmdline_parser_params));
153	cmdline_parser_params_init(params);
154	return params;
155	}
156
157	static void
158	free_string_field (char **s)
159	{
160	if (*s)
161	{
162	free (*s);
163	*s = 0;
164	}
165	}
166
167
168	static void
169	cmdline_parser_release (struct gengetopt_args_info *args_info)
170	{
171	unsigned int i;
172	free_string_field (&(args_info->output_arg));
173	free_string_field (&(args_info->output_orig));
174
175
176	for (i = 0; i < args_info->inputs_num; ++i)
177	free (args_info->inputs [i]);
178
179	if (args_info->inputs_num)
180	free (args_info->inputs);
181
182	clear_given (args_info);
183	}
184
185
186	static void
187	write_into_file(FILE outfile, const char opt, const char arg, const char values[])
188	{
189	FIX_UNUSED (values);
190	if (arg) {
191	fprintf(outfile, "%s=\"%s\"\n", opt, arg);
192	} else {
193	fprintf(outfile, "%s\n", opt);
194	}
195	}
196
197
198	int
199	cmdline_parser_dump(FILE outfile, struct gengetopt_args_info args_info)
200	{
201	int i = 0;
202
203	if (!outfile)
204	{
205	fprintf (stderr, "%s: cannot dump options to stream\n", CMDLINE_PARSER_PACKAGE);
206	return EXIT_FAILURE;
207	}
208
209	if (args_info->help_given)
210	write_into_file(outfile, "help", 0, 0 );
211	if (args_info->version_given)
212	write_into_file(outfile, "version", 0, 0 );
213	if (args_info->output_given)
214	write_into_file(outfile, "output", args_info->output_orig, 0);
215
216
217	i = EXIT_SUCCESS;
218	return i;
219	}
220
221	int
222	cmdline_parser_file_save(const char filename, struct gengetopt_args_info args_info)
223	{
224	FILE *outfile;
225	int i = 0;
226
227	outfile = fopen(filename, "w");
228
229	if (!outfile)
230	{
231	fprintf (stderr, "%s: cannot open file for writing: %s\n", CMDLINE_PARSER_PACKAGE, filename);
232	return EXIT_FAILURE;
233	}
234
235	i = cmdline_parser_dump(outfile, args_info);
236	fclose (outfile);
237
238	return i;
239	}
240
241	void
242	cmdline_parser_free (struct gengetopt_args_info *args_info)
243	{
244	cmdline_parser_release (args_info);
245	}
246
247	/** @brief replacement of strdup, which is not standard */
248	char *
249	gengetopt_strdup (const char *s)
250	{
251	char *result = 0;
252	if (!s)
253	return result;
254
255	result = (char*)malloc(strlen(s) + 1);
256	if (result == (char*)0)
257	return (char*)0;
258	strcpy(result, s);
259	return result;
260	}
261
262	int
263	cmdline_parser (int argc, char *argv, struct gengetopt_args_info args_info)
264	{
265	return cmdline_parser2 (argc, argv, args_info, 0, 1, 1);
266	}
267
268	int
269	cmdline_parser_ext (int argc, char *argv, struct gengetopt_args_info args_info,
270	struct cmdline_parser_params *params)
271	{
272	int result;
273	result = cmdline_parser_internal (argc, argv, args_info, params, 0);
274
275	if (result == EXIT_FAILURE)
276	{
277	cmdline_parser_free (args_info);
278	exit (EXIT_FAILURE);
279	}
280
281	return result;
282	}
283
284	int
285	cmdline_parser2 (int argc, char *argv, struct gengetopt_args_info args_info, int override, int initialize, int check_required)
286	{
287	int result;
288	struct cmdline_parser_params params;
289
290	params.override = override;
291	params.initialize = initialize;
292	params.check_required = check_required;
293	params.check_ambiguity = 0;
294	params.print_errors = 1;
295
296	result = cmdline_parser_internal (argc, argv, args_info, &params, 0);
297
298	if (result == EXIT_FAILURE)
299	{
300	cmdline_parser_free (args_info);
301	exit (EXIT_FAILURE);
302	}
303
304	return result;
305	}
306
307	int
308	cmdline_parser_required (struct gengetopt_args_info args_info, const char prog_name)
309	{
310	int result = EXIT_SUCCESS;
311
312	if (cmdline_parser_required2(args_info, prog_name, 0) > 0)
313	result = EXIT_FAILURE;
314
315	if (result == EXIT_FAILURE)
316	{
317	cmdline_parser_free (args_info);
318	exit (EXIT_FAILURE);
319	}
320
321	return result;
322	}
323
324	int
325	cmdline_parser_required2 (struct gengetopt_args_info args_info, const char prog_name, const char *additional_error)
326	{
327	int error = 0;
328	FIX_UNUSED (additional_error);
329
330	/* checks for required options */
331	if (! args_info->output_given)
332	{
333	fprintf (stderr, "%s: '--output' ('-o') option required%s\n", prog_name, (additional_error ? additional_error : ""));
334	error = 1;
335	}
336
337
338	/* checks for dependences among options */
339
340	return error;
341	}
342
343
344	static char *package_name = 0;
345
346	/**
347	* @brief updates an option
348	* @param field the generic pointer to the field to update
349	* @param orig_field the pointer to the orig field
350	* @param field_given the pointer to the number of occurrence of this option
351	* @param prev_given the pointer to the number of occurrence already seen
352	* @param value the argument for this option (if null no arg was specified)
353	* @param possible_values the possible values for this option (if specified)
354	* @param default_value the default value (in case the option only accepts fixed values)
355	* @param arg_type the type of this option
356	* @param check_ambiguity @see cmdline_parser_params.check_ambiguity
357	* @param override @see cmdline_parser_params.override
358	* @param no_free whether to free a possible previous value
359	* @param multiple_option whether this is a multiple option
360	* @param long_opt the corresponding long option
361	* @param short_opt the corresponding short option (or '-' if none)
362	* @param additional_error possible further error specification
363	*/
364	static
365	int update_arg(void field, char *orig_field,
366	unsigned int field_given, unsigned int prev_given,
367	char value, const char possible_values[],
368	const char *default_value,
369	cmdline_parser_arg_type arg_type,
370	int check_ambiguity, int override,
371	int no_free, int multiple_option,
372	const char *long_opt, char short_opt,
373	const char *additional_error)
374	{
375	char *stop_char = 0;
376	const char *val = value;
377	int found;
378	char **string_field;
379	FIX_UNUSED (field);
380
381	stop_char = 0;
382	found = 0;
383
384	if (!multiple_option && prev_given && (prev_given \|\| (check_ambiguity && field_given)))
385	{
386	if (short_opt != '-')
387	fprintf (stderr, "%s: `--%s' (`-%c') option given more than once%s\n",
388	package_name, long_opt, short_opt,
389	(additional_error ? additional_error : ""));
390	else
391	fprintf (stderr, "%s: `--%s' option given more than once%s\n",
392	package_name, long_opt,
393	(additional_error ? additional_error : ""));
394	return 1; /* failure */
395	}
396
397	FIX_UNUSED (default_value);
398
399	if (field_given && *field_given && ! override)
400	return 0;
401	if (prev_given)
402	(*prev_given)++;
403	if (field_given)
404	(*field_given)++;
405	if (possible_values)
406	val = possible_values[found];
407
408	switch(arg_type) {
409	case ARG_STRING:
410	if (val) {
411	string_field = (char **)field;
412	if (!no_free && *string_field)
413	free (string_field); / free previous string */
414	*string_field = gengetopt_strdup (val);
415	}
416	break;
417	default:
418	break;
419	};
420
421
422	/* store the original value */
423	switch(arg_type) {
424	case ARG_NO:
425	break;
426	default:
427	if (value && orig_field) {
428	if (no_free) {
429	*orig_field = value;
430	} else {
431	if (*orig_field)
432	free (orig_field); / free previous string */
433	*orig_field = gengetopt_strdup (value);
434	}
435	}
436	};
437
438	return 0; /* OK */
439	}
440
441
442	int
443	cmdline_parser_internal (
444	int argc, char *argv, struct gengetopt_args_info args_info,
445	struct cmdline_parser_params params, const char additional_error)
446	{
447	int c; /* Character of the parsed option. */
448
449	int error = 0;
450	struct gengetopt_args_info local_args_info;
451
452	int override;
453	int initialize;
454	int check_required;
455	int check_ambiguity;
456
457	package_name = argv[0];
458
459	override = params->override;
460	initialize = params->initialize;
461	check_required = params->check_required;
462	check_ambiguity = params->check_ambiguity;
463
464	if (initialize)
465	cmdline_parser_init (args_info);
466
467	cmdline_parser_init (&local_args_info);
468
469	optarg = 0;
470	optind = 0;
471	opterr = params->print_errors;
472	optopt = '?';
473
474	while (1)
475	{
476	int option_index = 0;
477
478	static struct option long_options[] = {
479	{ "help", 0, NULL, 'h' },
480	{ "version", 0, NULL, 'V' },
481	{ "output", 1, NULL, 'o' },
482	{ 0, 0, 0, 0 }
483	};
484
485	c = getopt_long (argc, argv, "hVo:", long_options, &option_index);
486
487	if (c == -1) break; /* Exit from `while (1)' loop. */
488
489	switch (c)
490	{
491	case 'h': /* Print help and exit. */
492	cmdline_parser_print_help ();
493	cmdline_parser_free (&local_args_info);
494	exit (EXIT_SUCCESS);
495
496	case 'V': /* Print version and exit. */
497	cmdline_parser_print_version ();
498	cmdline_parser_free (&local_args_info);
499	exit (EXIT_SUCCESS);
500
501	case 'o': /* Output file name. */
502
503
504	if (update_arg( (void *)&(args_info->output_arg),
505	&(args_info->output_orig), &(args_info->output_given),
506	&(local_args_info.output_given), optarg, 0, 0, ARG_STRING,
507	check_ambiguity, override, 0, 0,
508	"output", 'o',
509	additional_error))
510	goto failure;
511
512	break;
513
514	case 0: /* Long option with no short option */
515	case '?': /* Invalid option. */
516	/* `getopt_long' already printed an error message. */
517	goto failure;
518
519	default: /* bug: option not considered. */
520	fprintf (stderr, "%s: option unknown: %c%s\n", CMDLINE_PARSER_PACKAGE, c, (additional_error ? additional_error : ""));
521	abort ();
522	} /* switch */
523	} /* while */
524
525
526
527	if (check_required)
528	{
529	error += cmdline_parser_required2 (args_info, argv[0], additional_error);
530	}
531
532	cmdline_parser_release (&local_args_info);
533
534	if ( error )
535	return (EXIT_FAILURE);
536
537	if (optind < argc)
538	{
539	int i = 0 ;
540	int found_prog_name = 0;
541	/* whether program name, i.e., argv[0], is in the remaining args
542	(this may happen with some implementations of getopt,
543	but surely not with the one included by gengetopt) */
544
545	i = optind;
546	while (i < argc)
547	if (argv[i++] == argv[0]) {
548	found_prog_name = 1;
549	break;
550	}
551	i = 0;
552
553	args_info->inputs_num = argc - optind - found_prog_name;
554	args_info->inputs =
555	(char *)(malloc ((args_info->inputs_num)sizeof(char *))) ;
556	while (optind < argc)
557	if (argv[optind++] != argv[0])
558	args_info->inputs[ i++ ] = gengetopt_strdup (argv[optind-1]) ;
559	}
560
561	return 0;
562
563	failure:
564
565	cmdline_parser_release (&local_args_info);
566	return (EXIT_FAILURE);
567	}