applications/thermalizer/thermalizerCmd.c

/*
  File autogenerated by gengetopt version 2.22.4
  generated with the following command:
  gengetopt -F thermalizerCmd -u 

  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 "thermalizerCmd.h"

const char *gengetopt_args_info_purpose = "Resamples the velocities for all the integrable objects in an OpenMD file from \na Maxwell-Boltzmann distribution.";

const char *gengetopt_args_info_usage = "Usage: thermalizer [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",
  "  -t, --temperature=DOUBLE  temperature (K)",
    0
};

typedef enum {ARG_NO
  , ARG_STRING
  , ARG_DOUBLE
} 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 ;
  args_info->temperature_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;
  args_info->temperature_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] ;
  args_info->temperature_help = gengetopt_args_info_help[3] ;
  
}

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));
  free_string_field (&(args_info->temperature_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);
  if (args_info->temperature_given)
    write_into_file(outfile, "temperature", args_info->temperature_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;
    }
  
  if (! args_info->temperature_given)
    {
      fprintf (stderr, "%s: '--temperature' ('-t') 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_DOUBLE:
    if (val) *((double *)field) = strtod (val, &stop_char);
    break;
  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;
  };

  /* check numeric conversion */
  switch(arg_type) {
  case ARG_DOUBLE:
    if (val && !(stop_char && *stop_char == '\0')) {
      fprintf(stderr, "%s: invalid numeric value: %s\n", package_name, val);
      return 1; /* failure */
    }
    break;
  default:
    ;
  };

  /* 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' },
        { "temperature",        1, NULL, 't' },
        { 0,  0, 0, 0 }
      };

      c = getopt_long (argc, argv, "hVo:t:", 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 't':       /* temperature (K).  */
        
        
          if (update_arg( (void *)&(args_info->temperature_arg), 
               &(args_info->temperature_orig), &(args_info->temperature_given),
              &(local_args_info.temperature_given), optarg, 0, 0, ARG_DOUBLE,
              check_ambiguity, override, 0, 0,
              "temperature", 't',
              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:	1630
Committed:	Wed Sep 14 21:40:12 2011 UTC (13 years, 7 months ago) by gezelter
Content type:	text/plain
File size:	15462 byte(s)
Log Message:	updating gengetopt runs
#	Content
1	/*
2	File autogenerated by gengetopt version 2.22.4
3	generated with the following command:
4	gengetopt -F thermalizerCmd -u
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 "thermalizerCmd.h"
27
28	const char *gengetopt_args_info_purpose = "Resamples the velocities for all the integrable objects in an OpenMD file from \na Maxwell-Boltzmann distribution.";
29
30	const char *gengetopt_args_info_usage = "Usage: thermalizer [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	" -t, --temperature=DOUBLE temperature (K)",
39	0
40	};
41
42	typedef enum {ARG_NO
43	, ARG_STRING
44	, ARG_DOUBLE
45	} cmdline_parser_arg_type;
46
47	static
48	void clear_given (struct gengetopt_args_info *args_info);
49	static
50	void clear_args (struct gengetopt_args_info *args_info);
51
52	static int
53	cmdline_parser_internal (int argc, char *argv, struct gengetopt_args_info args_info,
54	struct cmdline_parser_params params, const char additional_error);
55
56	static int
57	cmdline_parser_required2 (struct gengetopt_args_info args_info, const char prog_name, const char *additional_error);
58
59	static char *
60	gengetopt_strdup (const char *s);
61
62	static
63	void clear_given (struct gengetopt_args_info *args_info)
64	{
65	args_info->help_given = 0 ;
66	args_info->version_given = 0 ;
67	args_info->output_given = 0 ;
68	args_info->temperature_given = 0 ;
69	}
70
71	static
72	void clear_args (struct gengetopt_args_info *args_info)
73	{
74	FIX_UNUSED (args_info);
75	args_info->output_arg = NULL;
76	args_info->output_orig = NULL;
77	args_info->temperature_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	args_info->temperature_help = gengetopt_args_info_help[3] ;
90
91	}
92
93	void
94	cmdline_parser_print_version (void)
95	{
96	printf ("%s %s\n",
97	(strlen(CMDLINE_PARSER_PACKAGE_NAME) ? CMDLINE_PARSER_PACKAGE_NAME : CMDLINE_PARSER_PACKAGE),
98	CMDLINE_PARSER_VERSION);
99	}
100
101	static void print_help_common(void) {
102	cmdline_parser_print_version ();
103
104	if (strlen(gengetopt_args_info_purpose) > 0)
105	printf("\n%s\n", gengetopt_args_info_purpose);
106
107	if (strlen(gengetopt_args_info_usage) > 0)
108	printf("\n%s\n", gengetopt_args_info_usage);
109
110	printf("\n");
111
112	if (strlen(gengetopt_args_info_description) > 0)
113	printf("%s\n\n", gengetopt_args_info_description);
114	}
115
116	void
117	cmdline_parser_print_help (void)
118	{
119	int i = 0;
120	print_help_common();
121	while (gengetopt_args_info_help[i])
122	printf("%s\n", gengetopt_args_info_help[i++]);
123	}
124
125	void
126	cmdline_parser_init (struct gengetopt_args_info *args_info)
127	{
128	clear_given (args_info);
129	clear_args (args_info);
130	init_args_info (args_info);
131
132	args_info->inputs = 0;
133	args_info->inputs_num = 0;
134	}
135
136	void
137	cmdline_parser_params_init(struct cmdline_parser_params *params)
138	{
139	if (params)
140	{
141	params->override = 0;
142	params->initialize = 1;
143	params->check_required = 1;
144	params->check_ambiguity = 0;
145	params->print_errors = 1;
146	}
147	}
148
149	struct cmdline_parser_params *
150	cmdline_parser_params_create(void)
151	{
152	struct cmdline_parser_params *params =
153	(struct cmdline_parser_params *)malloc(sizeof(struct cmdline_parser_params));
154	cmdline_parser_params_init(params);
155	return params;
156	}
157
158	static void
159	free_string_field (char **s)
160	{
161	if (*s)
162	{
163	free (*s);
164	*s = 0;
165	}
166	}
167
168
169	static void
170	cmdline_parser_release (struct gengetopt_args_info *args_info)
171	{
172	unsigned int i;
173	free_string_field (&(args_info->output_arg));
174	free_string_field (&(args_info->output_orig));
175	free_string_field (&(args_info->temperature_orig));
176
177
178	for (i = 0; i < args_info->inputs_num; ++i)
179	free (args_info->inputs [i]);
180
181	if (args_info->inputs_num)
182	free (args_info->inputs);
183
184	clear_given (args_info);
185	}
186
187
188	static void
189	write_into_file(FILE outfile, const char opt, const char arg, const char values[])
190	{
191	FIX_UNUSED (values);
192	if (arg) {
193	fprintf(outfile, "%s=\"%s\"\n", opt, arg);
194	} else {
195	fprintf(outfile, "%s\n", opt);
196	}
197	}
198
199
200	int
201	cmdline_parser_dump(FILE outfile, struct gengetopt_args_info args_info)
202	{
203	int i = 0;
204
205	if (!outfile)
206	{
207	fprintf (stderr, "%s: cannot dump options to stream\n", CMDLINE_PARSER_PACKAGE);
208	return EXIT_FAILURE;
209	}
210
211	if (args_info->help_given)
212	write_into_file(outfile, "help", 0, 0 );
213	if (args_info->version_given)
214	write_into_file(outfile, "version", 0, 0 );
215	if (args_info->output_given)
216	write_into_file(outfile, "output", args_info->output_orig, 0);
217	if (args_info->temperature_given)
218	write_into_file(outfile, "temperature", args_info->temperature_orig, 0);
219
220
221	i = EXIT_SUCCESS;
222	return i;
223	}
224
225	int
226	cmdline_parser_file_save(const char filename, struct gengetopt_args_info args_info)
227	{
228	FILE *outfile;
229	int i = 0;
230
231	outfile = fopen(filename, "w");
232
233	if (!outfile)
234	{
235	fprintf (stderr, "%s: cannot open file for writing: %s\n", CMDLINE_PARSER_PACKAGE, filename);
236	return EXIT_FAILURE;
237	}
238
239	i = cmdline_parser_dump(outfile, args_info);
240	fclose (outfile);
241
242	return i;
243	}
244
245	void
246	cmdline_parser_free (struct gengetopt_args_info *args_info)
247	{
248	cmdline_parser_release (args_info);
249	}
250
251	/** @brief replacement of strdup, which is not standard */
252	char *
253	gengetopt_strdup (const char *s)
254	{
255	char *result = 0;
256	if (!s)
257	return result;
258
259	result = (char*)malloc(strlen(s) + 1);
260	if (result == (char*)0)
261	return (char*)0;
262	strcpy(result, s);
263	return result;
264	}
265
266	int
267	cmdline_parser (int argc, char *argv, struct gengetopt_args_info args_info)
268	{
269	return cmdline_parser2 (argc, argv, args_info, 0, 1, 1);
270	}
271
272	int
273	cmdline_parser_ext (int argc, char *argv, struct gengetopt_args_info args_info,
274	struct cmdline_parser_params *params)
275	{
276	int result;
277	result = cmdline_parser_internal (argc, argv, args_info, params, 0);
278
279	if (result == EXIT_FAILURE)
280	{
281	cmdline_parser_free (args_info);
282	exit (EXIT_FAILURE);
283	}
284
285	return result;
286	}
287
288	int
289	cmdline_parser2 (int argc, char *argv, struct gengetopt_args_info args_info, int override, int initialize, int check_required)
290	{
291	int result;
292	struct cmdline_parser_params params;
293
294	params.override = override;
295	params.initialize = initialize;
296	params.check_required = check_required;
297	params.check_ambiguity = 0;
298	params.print_errors = 1;
299
300	result = cmdline_parser_internal (argc, argv, args_info, &params, 0);
301
302	if (result == EXIT_FAILURE)
303	{
304	cmdline_parser_free (args_info);
305	exit (EXIT_FAILURE);
306	}
307
308	return result;
309	}
310
311	int
312	cmdline_parser_required (struct gengetopt_args_info args_info, const char prog_name)
313	{
314	int result = EXIT_SUCCESS;
315
316	if (cmdline_parser_required2(args_info, prog_name, 0) > 0)
317	result = EXIT_FAILURE;
318
319	if (result == EXIT_FAILURE)
320	{
321	cmdline_parser_free (args_info);
322	exit (EXIT_FAILURE);
323	}
324
325	return result;
326	}
327
328	int
329	cmdline_parser_required2 (struct gengetopt_args_info args_info, const char prog_name, const char *additional_error)
330	{
331	int error = 0;
332	FIX_UNUSED (additional_error);
333
334	/* checks for required options */
335	if (! args_info->output_given)
336	{
337	fprintf (stderr, "%s: '--output' ('-o') option required%s\n", prog_name, (additional_error ? additional_error : ""));
338	error = 1;
339	}
340
341	if (! args_info->temperature_given)
342	{
343	fprintf (stderr, "%s: '--temperature' ('-t') option required%s\n", prog_name, (additional_error ? additional_error : ""));
344	error = 1;
345	}
346
347
348	/* checks for dependences among options */
349
350	return error;
351	}
352
353
354	static char *package_name = 0;
355
356	/**
357	* @brief updates an option
358	* @param field the generic pointer to the field to update
359	* @param orig_field the pointer to the orig field
360	* @param field_given the pointer to the number of occurrence of this option
361	* @param prev_given the pointer to the number of occurrence already seen
362	* @param value the argument for this option (if null no arg was specified)
363	* @param possible_values the possible values for this option (if specified)
364	* @param default_value the default value (in case the option only accepts fixed values)
365	* @param arg_type the type of this option
366	* @param check_ambiguity @see cmdline_parser_params.check_ambiguity
367	* @param override @see cmdline_parser_params.override
368	* @param no_free whether to free a possible previous value
369	* @param multiple_option whether this is a multiple option
370	* @param long_opt the corresponding long option
371	* @param short_opt the corresponding short option (or '-' if none)
372	* @param additional_error possible further error specification
373	*/
374	static
375	int update_arg(void field, char *orig_field,
376	unsigned int field_given, unsigned int prev_given,
377	char value, const char possible_values[],
378	const char *default_value,
379	cmdline_parser_arg_type arg_type,
380	int check_ambiguity, int override,
381	int no_free, int multiple_option,
382	const char *long_opt, char short_opt,
383	const char *additional_error)
384	{
385	char *stop_char = 0;
386	const char *val = value;
387	int found;
388	char **string_field;
389	FIX_UNUSED (field);
390
391	stop_char = 0;
392	found = 0;
393
394	if (!multiple_option && prev_given && (prev_given \|\| (check_ambiguity && field_given)))
395	{
396	if (short_opt != '-')
397	fprintf (stderr, "%s: `--%s' (`-%c') option given more than once%s\n",
398	package_name, long_opt, short_opt,
399	(additional_error ? additional_error : ""));
400	else
401	fprintf (stderr, "%s: `--%s' option given more than once%s\n",
402	package_name, long_opt,
403	(additional_error ? additional_error : ""));
404	return 1; /* failure */
405	}
406
407	FIX_UNUSED (default_value);
408
409	if (field_given && *field_given && ! override)
410	return 0;
411	if (prev_given)
412	(*prev_given)++;
413	if (field_given)
414	(*field_given)++;
415	if (possible_values)
416	val = possible_values[found];
417
418	switch(arg_type) {
419	case ARG_DOUBLE:
420	if (val) ((double )field) = strtod (val, &stop_char);
421	break;
422	case ARG_STRING:
423	if (val) {
424	string_field = (char **)field;
425	if (!no_free && *string_field)
426	free (string_field); / free previous string */
427	*string_field = gengetopt_strdup (val);
428	}
429	break;
430	default:
431	break;
432	};
433
434	/* check numeric conversion */
435	switch(arg_type) {
436	case ARG_DOUBLE:
437	if (val && !(stop_char && *stop_char == '\0')) {
438	fprintf(stderr, "%s: invalid numeric value: %s\n", package_name, val);
439	return 1; /* failure */
440	}
441	break;
442	default:
443	;
444	};
445
446	/* store the original value */
447	switch(arg_type) {
448	case ARG_NO:
449	break;
450	default:
451	if (value && orig_field) {
452	if (no_free) {
453	*orig_field = value;
454	} else {
455	if (*orig_field)
456	free (orig_field); / free previous string */
457	*orig_field = gengetopt_strdup (value);
458	}
459	}
460	};
461
462	return 0; /* OK */
463	}
464
465
466	int
467	cmdline_parser_internal (
468	int argc, char *argv, struct gengetopt_args_info args_info,
469	struct cmdline_parser_params params, const char additional_error)
470	{
471	int c; /* Character of the parsed option. */
472
473	int error = 0;
474	struct gengetopt_args_info local_args_info;
475
476	int override;
477	int initialize;
478	int check_required;
479	int check_ambiguity;
480
481	package_name = argv[0];
482
483	override = params->override;
484	initialize = params->initialize;
485	check_required = params->check_required;
486	check_ambiguity = params->check_ambiguity;
487
488	if (initialize)
489	cmdline_parser_init (args_info);
490
491	cmdline_parser_init (&local_args_info);
492
493	optarg = 0;
494	optind = 0;
495	opterr = params->print_errors;
496	optopt = '?';
497
498	while (1)
499	{
500	int option_index = 0;
501
502	static struct option long_options[] = {
503	{ "help", 0, NULL, 'h' },
504	{ "version", 0, NULL, 'V' },
505	{ "output", 1, NULL, 'o' },
506	{ "temperature", 1, NULL, 't' },
507	{ 0, 0, 0, 0 }
508	};
509
510	c = getopt_long (argc, argv, "hVo:t:", long_options, &option_index);
511
512	if (c == -1) break; /* Exit from `while (1)' loop. */
513
514	switch (c)
515	{
516	case 'h': /* Print help and exit. */
517	cmdline_parser_print_help ();
518	cmdline_parser_free (&local_args_info);
519	exit (EXIT_SUCCESS);
520
521	case 'V': /* Print version and exit. */
522	cmdline_parser_print_version ();
523	cmdline_parser_free (&local_args_info);
524	exit (EXIT_SUCCESS);
525
526	case 'o': /* Output file name. */
527
528
529	if (update_arg( (void *)&(args_info->output_arg),
530	&(args_info->output_orig), &(args_info->output_given),
531	&(local_args_info.output_given), optarg, 0, 0, ARG_STRING,
532	check_ambiguity, override, 0, 0,
533	"output", 'o',
534	additional_error))
535	goto failure;
536
537	break;
538	case 't': /* temperature (K). */
539
540
541	if (update_arg( (void *)&(args_info->temperature_arg),
542	&(args_info->temperature_orig), &(args_info->temperature_given),
543	&(local_args_info.temperature_given), optarg, 0, 0, ARG_DOUBLE,
544	check_ambiguity, override, 0, 0,
545	"temperature", 't',
546	additional_error))
547	goto failure;
548
549	break;
550
551	case 0: /* Long option with no short option */
552	case '?': /* Invalid option. */
553	/* `getopt_long' already printed an error message. */
554	goto failure;
555
556	default: /* bug: option not considered. */
557	fprintf (stderr, "%s: option unknown: %c%s\n", CMDLINE_PARSER_PACKAGE, c, (additional_error ? additional_error : ""));
558	abort ();
559	} /* switch */
560	} /* while */
561
562
563
564	if (check_required)
565	{
566	error += cmdline_parser_required2 (args_info, argv[0], additional_error);
567	}
568
569	cmdline_parser_release (&local_args_info);
570
571	if ( error )
572	return (EXIT_FAILURE);
573
574	if (optind < argc)
575	{
576	int i = 0 ;
577	int found_prog_name = 0;
578	/* whether program name, i.e., argv[0], is in the remaining args
579	(this may happen with some implementations of getopt,
580	but surely not with the one included by gengetopt) */
581
582	i = optind;
583	while (i < argc)
584	if (argv[i++] == argv[0]) {
585	found_prog_name = 1;
586	break;
587	}
588	i = 0;
589
590	args_info->inputs_num = argc - optind - found_prog_name;
591	args_info->inputs =
592	(char *)(malloc ((args_info->inputs_num)sizeof(char *))) ;
593	while (optind < argc)
594	if (argv[optind++] != argv[0])
595	args_info->inputs[ i++ ] = gengetopt_strdup (argv[optind-1]) ;
596	}
597
598	return 0;
599
600	failure:
601
602	cmdline_parser_release (&local_args_info);
603	return (EXIT_FAILURE);
604	}