applications/thermalizer/thermalizerCmd.cpp

/*
  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

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

#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:	1798
Committed:	Thu Sep 13 14:10:11 2012 UTC (12 years, 7 months ago) by gezelter
File size:	15517 byte(s)
Log Message:	Merged trunk changes into the development branch
#	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	#ifdef WIN32
25	#include "utils/wingetopt.h"
26	#else
27	#include <getopt.h>
28	#endif
29
30	#include "thermalizerCmd.h"
31
32	const char *gengetopt_args_info_purpose = "Resamples the velocities for all the integrable objects in an OpenMD file from \na Maxwell-Boltzmann distribution.";
33
34	const char *gengetopt_args_info_usage = "Usage: thermalizer [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	" -t, --temperature=DOUBLE temperature (K)",
43	0
44	};
45
46	typedef enum {ARG_NO
47	, ARG_STRING
48	, ARG_DOUBLE
49	} cmdline_parser_arg_type;
50
51	static
52	void clear_given (struct gengetopt_args_info *args_info);
53	static
54	void clear_args (struct gengetopt_args_info *args_info);
55
56	static int
57	cmdline_parser_internal (int argc, char *argv, struct gengetopt_args_info args_info,
58	struct cmdline_parser_params params, const char additional_error);
59
60	static int
61	cmdline_parser_required2 (struct gengetopt_args_info args_info, const char prog_name, const char *additional_error);
62
63	static char *
64	gengetopt_strdup (const char *s);
65
66	static
67	void clear_given (struct gengetopt_args_info *args_info)
68	{
69	args_info->help_given = 0 ;
70	args_info->version_given = 0 ;
71	args_info->output_given = 0 ;
72	args_info->temperature_given = 0 ;
73	}
74
75	static
76	void clear_args (struct gengetopt_args_info *args_info)
77	{
78	FIX_UNUSED (args_info);
79	args_info->output_arg = NULL;
80	args_info->output_orig = NULL;
81	args_info->temperature_orig = NULL;
82
83	}
84
85	static
86	void init_args_info(struct gengetopt_args_info *args_info)
87	{
88
89
90	args_info->help_help = gengetopt_args_info_help[0] ;
91	args_info->version_help = gengetopt_args_info_help[1] ;
92	args_info->output_help = gengetopt_args_info_help[2] ;
93	args_info->temperature_help = gengetopt_args_info_help[3] ;
94
95	}
96
97	void
98	cmdline_parser_print_version (void)
99	{
100	printf ("%s %s\n",
101	(strlen(CMDLINE_PARSER_PACKAGE_NAME) ? CMDLINE_PARSER_PACKAGE_NAME : CMDLINE_PARSER_PACKAGE),
102	CMDLINE_PARSER_VERSION);
103	}
104
105	static void print_help_common(void) {
106	cmdline_parser_print_version ();
107
108	if (strlen(gengetopt_args_info_purpose) > 0)
109	printf("\n%s\n", gengetopt_args_info_purpose);
110
111	if (strlen(gengetopt_args_info_usage) > 0)
112	printf("\n%s\n", gengetopt_args_info_usage);
113
114	printf("\n");
115
116	if (strlen(gengetopt_args_info_description) > 0)
117	printf("%s\n\n", gengetopt_args_info_description);
118	}
119
120	void
121	cmdline_parser_print_help (void)
122	{
123	int i = 0;
124	print_help_common();
125	while (gengetopt_args_info_help[i])
126	printf("%s\n", gengetopt_args_info_help[i++]);
127	}
128
129	void
130	cmdline_parser_init (struct gengetopt_args_info *args_info)
131	{
132	clear_given (args_info);
133	clear_args (args_info);
134	init_args_info (args_info);
135
136	args_info->inputs = 0;
137	args_info->inputs_num = 0;
138	}
139
140	void
141	cmdline_parser_params_init(struct cmdline_parser_params *params)
142	{
143	if (params)
144	{
145	params->override = 0;
146	params->initialize = 1;
147	params->check_required = 1;
148	params->check_ambiguity = 0;
149	params->print_errors = 1;
150	}
151	}
152
153	struct cmdline_parser_params *
154	cmdline_parser_params_create(void)
155	{
156	struct cmdline_parser_params *params =
157	(struct cmdline_parser_params *)malloc(sizeof(struct cmdline_parser_params));
158	cmdline_parser_params_init(params);
159	return params;
160	}
161
162	static void
163	free_string_field (char **s)
164	{
165	if (*s)
166	{
167	free (*s);
168	*s = 0;
169	}
170	}
171
172
173	static void
174	cmdline_parser_release (struct gengetopt_args_info *args_info)
175	{
176	unsigned int i;
177	free_string_field (&(args_info->output_arg));
178	free_string_field (&(args_info->output_orig));
179	free_string_field (&(args_info->temperature_orig));
180
181
182	for (i = 0; i < args_info->inputs_num; ++i)
183	free (args_info->inputs [i]);
184
185	if (args_info->inputs_num)
186	free (args_info->inputs);
187
188	clear_given (args_info);
189	}
190
191
192	static void
193	write_into_file(FILE outfile, const char opt, const char arg, const char values[])
194	{
195	FIX_UNUSED (values);
196	if (arg) {
197	fprintf(outfile, "%s=\"%s\"\n", opt, arg);
198	} else {
199	fprintf(outfile, "%s\n", opt);
200	}
201	}
202
203
204	int
205	cmdline_parser_dump(FILE outfile, struct gengetopt_args_info args_info)
206	{
207	int i = 0;
208
209	if (!outfile)
210	{
211	fprintf (stderr, "%s: cannot dump options to stream\n", CMDLINE_PARSER_PACKAGE);
212	return EXIT_FAILURE;
213	}
214
215	if (args_info->help_given)
216	write_into_file(outfile, "help", 0, 0 );
217	if (args_info->version_given)
218	write_into_file(outfile, "version", 0, 0 );
219	if (args_info->output_given)
220	write_into_file(outfile, "output", args_info->output_orig, 0);
221	if (args_info->temperature_given)
222	write_into_file(outfile, "temperature", args_info->temperature_orig, 0);
223
224
225	i = EXIT_SUCCESS;
226	return i;
227	}
228
229	int
230	cmdline_parser_file_save(const char filename, struct gengetopt_args_info args_info)
231	{
232	FILE *outfile;
233	int i = 0;
234
235	outfile = fopen(filename, "w");
236
237	if (!outfile)
238	{
239	fprintf (stderr, "%s: cannot open file for writing: %s\n", CMDLINE_PARSER_PACKAGE, filename);
240	return EXIT_FAILURE;
241	}
242
243	i = cmdline_parser_dump(outfile, args_info);
244	fclose (outfile);
245
246	return i;
247	}
248
249	void
250	cmdline_parser_free (struct gengetopt_args_info *args_info)
251	{
252	cmdline_parser_release (args_info);
253	}
254
255	/** @brief replacement of strdup, which is not standard */
256	char *
257	gengetopt_strdup (const char *s)
258	{
259	char *result = 0;
260	if (!s)
261	return result;
262
263	result = (char*)malloc(strlen(s) + 1);
264	if (result == (char*)0)
265	return (char*)0;
266	strcpy(result, s);
267	return result;
268	}
269
270	int
271	cmdline_parser (int argc, char *argv, struct gengetopt_args_info args_info)
272	{
273	return cmdline_parser2 (argc, argv, args_info, 0, 1, 1);
274	}
275
276	int
277	cmdline_parser_ext (int argc, char *argv, struct gengetopt_args_info args_info,
278	struct cmdline_parser_params *params)
279	{
280	int result;
281	result = cmdline_parser_internal (argc, argv, args_info, params, 0);
282
283	if (result == EXIT_FAILURE)
284	{
285	cmdline_parser_free (args_info);
286	exit (EXIT_FAILURE);
287	}
288
289	return result;
290	}
291
292	int
293	cmdline_parser2 (int argc, char *argv, struct gengetopt_args_info args_info, int override, int initialize, int check_required)
294	{
295	int result;
296	struct cmdline_parser_params params;
297
298	params.override = override;
299	params.initialize = initialize;
300	params.check_required = check_required;
301	params.check_ambiguity = 0;
302	params.print_errors = 1;
303
304	result = cmdline_parser_internal (argc, argv, args_info, &params, 0);
305
306	if (result == EXIT_FAILURE)
307	{
308	cmdline_parser_free (args_info);
309	exit (EXIT_FAILURE);
310	}
311
312	return result;
313	}
314
315	int
316	cmdline_parser_required (struct gengetopt_args_info args_info, const char prog_name)
317	{
318	int result = EXIT_SUCCESS;
319
320	if (cmdline_parser_required2(args_info, prog_name, 0) > 0)
321	result = EXIT_FAILURE;
322
323	if (result == EXIT_FAILURE)
324	{
325	cmdline_parser_free (args_info);
326	exit (EXIT_FAILURE);
327	}
328
329	return result;
330	}
331
332	int
333	cmdline_parser_required2 (struct gengetopt_args_info args_info, const char prog_name, const char *additional_error)
334	{
335	int error = 0;
336	FIX_UNUSED (additional_error);
337
338	/* checks for required options */
339	if (! args_info->output_given)
340	{
341	fprintf (stderr, "%s: '--output' ('-o') option required%s\n", prog_name, (additional_error ? additional_error : ""));
342	error = 1;
343	}
344
345	if (! args_info->temperature_given)
346	{
347	fprintf (stderr, "%s: '--temperature' ('-t') option required%s\n", prog_name, (additional_error ? additional_error : ""));
348	error = 1;
349	}
350
351
352	/* checks for dependences among options */
353
354	return error;
355	}
356
357
358	static char *package_name = 0;
359
360	/**
361	* @brief updates an option
362	* @param field the generic pointer to the field to update
363	* @param orig_field the pointer to the orig field
364	* @param field_given the pointer to the number of occurrence of this option
365	* @param prev_given the pointer to the number of occurrence already seen
366	* @param value the argument for this option (if null no arg was specified)
367	* @param possible_values the possible values for this option (if specified)
368	* @param default_value the default value (in case the option only accepts fixed values)
369	* @param arg_type the type of this option
370	* @param check_ambiguity @see cmdline_parser_params.check_ambiguity
371	* @param override @see cmdline_parser_params.override
372	* @param no_free whether to free a possible previous value
373	* @param multiple_option whether this is a multiple option
374	* @param long_opt the corresponding long option
375	* @param short_opt the corresponding short option (or '-' if none)
376	* @param additional_error possible further error specification
377	*/
378	static
379	int update_arg(void field, char *orig_field,
380	unsigned int field_given, unsigned int prev_given,
381	char value, const char possible_values[],
382	const char *default_value,
383	cmdline_parser_arg_type arg_type,
384	int check_ambiguity, int override,
385	int no_free, int multiple_option,
386	const char *long_opt, char short_opt,
387	const char *additional_error)
388	{
389	char *stop_char = 0;
390	const char *val = value;
391	int found;
392	char **string_field;
393	FIX_UNUSED (field);
394
395	stop_char = 0;
396	found = 0;
397
398	if (!multiple_option && prev_given && (prev_given \|\| (check_ambiguity && field_given)))
399	{
400	if (short_opt != '-')
401	fprintf (stderr, "%s: `--%s' (`-%c') option given more than once%s\n",
402	package_name, long_opt, short_opt,
403	(additional_error ? additional_error : ""));
404	else
405	fprintf (stderr, "%s: `--%s' option given more than once%s\n",
406	package_name, long_opt,
407	(additional_error ? additional_error : ""));
408	return 1; /* failure */
409	}
410
411	FIX_UNUSED (default_value);
412
413	if (field_given && *field_given && ! override)
414	return 0;
415	if (prev_given)
416	(*prev_given)++;
417	if (field_given)
418	(*field_given)++;
419	if (possible_values)
420	val = possible_values[found];
421
422	switch(arg_type) {
423	case ARG_DOUBLE:
424	if (val) ((double )field) = strtod (val, &stop_char);
425	break;
426	case ARG_STRING:
427	if (val) {
428	string_field = (char **)field;
429	if (!no_free && *string_field)
430	free (string_field); / free previous string */
431	*string_field = gengetopt_strdup (val);
432	}
433	break;
434	default:
435	break;
436	};
437
438	/* check numeric conversion */
439	switch(arg_type) {
440	case ARG_DOUBLE:
441	if (val && !(stop_char && *stop_char == '\0')) {
442	fprintf(stderr, "%s: invalid numeric value: %s\n", package_name, val);
443	return 1; /* failure */
444	}
445	break;
446	default:
447	;
448	};
449
450	/* store the original value */
451	switch(arg_type) {
452	case ARG_NO:
453	break;
454	default:
455	if (value && orig_field) {
456	if (no_free) {
457	*orig_field = value;
458	} else {
459	if (*orig_field)
460	free (orig_field); / free previous string */
461	*orig_field = gengetopt_strdup (value);
462	}
463	}
464	};
465
466	return 0; /* OK */
467	}
468
469
470	int
471	cmdline_parser_internal (
472	int argc, char *argv, struct gengetopt_args_info args_info,
473	struct cmdline_parser_params params, const char additional_error)
474	{
475	int c; /* Character of the parsed option. */
476
477	int error = 0;
478	struct gengetopt_args_info local_args_info;
479
480	int override;
481	int initialize;
482	int check_required;
483	int check_ambiguity;
484
485	package_name = argv[0];
486
487	override = params->override;
488	initialize = params->initialize;
489	check_required = params->check_required;
490	check_ambiguity = params->check_ambiguity;
491
492	if (initialize)
493	cmdline_parser_init (args_info);
494
495	cmdline_parser_init (&local_args_info);
496
497	optarg = 0;
498	optind = 0;
499	opterr = params->print_errors;
500	optopt = '?';
501
502	while (1)
503	{
504	int option_index = 0;
505
506	static struct option long_options[] = {
507	{ "help", 0, NULL, 'h' },
508	{ "version", 0, NULL, 'V' },
509	{ "output", 1, NULL, 'o' },
510	{ "temperature", 1, NULL, 't' },
511	{ 0, 0, 0, 0 }
512	};
513
514	c = getopt_long (argc, argv, "hVo:t:", long_options, &option_index);
515
516	if (c == -1) break; /* Exit from `while (1)' loop. */
517
518	switch (c)
519	{
520	case 'h': /* Print help and exit. */
521	cmdline_parser_print_help ();
522	cmdline_parser_free (&local_args_info);
523	exit (EXIT_SUCCESS);
524
525	case 'V': /* Print version and exit. */
526	cmdline_parser_print_version ();
527	cmdline_parser_free (&local_args_info);
528	exit (EXIT_SUCCESS);
529
530	case 'o': /* Output file name. */
531
532
533	if (update_arg( (void *)&(args_info->output_arg),
534	&(args_info->output_orig), &(args_info->output_given),
535	&(local_args_info.output_given), optarg, 0, 0, ARG_STRING,
536	check_ambiguity, override, 0, 0,
537	"output", 'o',
538	additional_error))
539	goto failure;
540
541	break;
542	case 't': /* temperature (K). */
543
544
545	if (update_arg( (void *)&(args_info->temperature_arg),
546	&(args_info->temperature_orig), &(args_info->temperature_given),
547	&(local_args_info.temperature_given), optarg, 0, 0, ARG_DOUBLE,
548	check_ambiguity, override, 0, 0,
549	"temperature", 't',
550	additional_error))
551	goto failure;
552
553	break;
554
555	case 0: /* Long option with no short option */
556	case '?': /* Invalid option. */
557	/* `getopt_long' already printed an error message. */
558	goto failure;
559
560	default: /* bug: option not considered. */
561	fprintf (stderr, "%s: option unknown: %c%s\n", CMDLINE_PARSER_PACKAGE, c, (additional_error ? additional_error : ""));
562	abort ();
563	} /* switch */
564	} /* while */
565
566
567
568	if (check_required)
569	{
570	error += cmdline_parser_required2 (args_info, argv[0], additional_error);
571	}
572
573	cmdline_parser_release (&local_args_info);
574
575	if ( error )
576	return (EXIT_FAILURE);
577
578	if (optind < argc)
579	{
580	int i = 0 ;
581	int found_prog_name = 0;
582	/* whether program name, i.e., argv[0], is in the remaining args
583	(this may happen with some implementations of getopt,
584	but surely not with the one included by gengetopt) */
585
586	i = optind;
587	while (i < argc)
588	if (argv[i++] == argv[0]) {
589	found_prog_name = 1;
590	break;
591	}
592	i = 0;
593
594	args_info->inputs_num = argc - optind - found_prog_name;
595	args_info->inputs =
596	(char *)(malloc ((args_info->inputs_num)sizeof(char *))) ;
597	while (optind < argc)
598	if (argv[optind++] != argv[0])
599	args_info->inputs[ i++ ] = gengetopt_strdup (argv[optind-1]) ;
600	}
601
602	return 0;
603
604	failure:
605
606	cmdline_parser_release (&local_args_info);
607	return (EXIT_FAILURE);
608	}