applications/recenter/recenterCmd.cpp

/*
  File autogenerated by gengetopt version 2.22.6
  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_versiontext = "";

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);

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

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_occurred = 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_occurred = 1;
    }
  
  
  /* checks for dependences among options */

  return error_occurred;
}


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_occurred = 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_occurred += cmdline_parser_required2 (args_info, argv[0], additional_error);
    }

  cmdline_parser_release (&local_args_info);

  if ( error_occurred )
    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:	2073
Committed:	Sat Mar 7 23:52:07 2015 UTC (10 years, 2 months ago) by gezelter
File size:	14281 byte(s)
Log Message:	added a skipToken function to StringTokenizer, and used this to remove some silly warnings on compilation.
#	User	Rev	Content
1	kstocke1	1857	/*
2	gezelter	2073	File autogenerated by gengetopt version 2.22.6
3	kstocke1	1857	generated with the following command:
4	gezelter	2073	gengetopt --file-name=recenterCmd --unamed-opts
5	kstocke1	1857
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	gezelter	1876	#ifdef WIN32
25			#include "utils/wingetopt.h"
26			#else
27	kstocke1	1857	#include <getopt.h>
28	gezelter	1876	#endif
29	kstocke1	1857
30			#include "recenterCmd.h"
31
32	gezelter	2073	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	kstocke1	1857
34			const char *gengetopt_args_info_usage = "Usage: recenter [OPTIONS]... [FILES]...";
35
36	gezelter	2073	const char *gengetopt_args_info_versiontext = "";
37
38	kstocke1	1857	const char *gengetopt_args_info_description = "";
39
40			const char *gengetopt_args_info_help[] = {
41			" -h, --help Print help and exit",
42			" -V, --version Print version and exit",
43			" -o, --output=STRING Output file name",
44			0
45			};
46
47			typedef enum {ARG_NO
48			, ARG_STRING
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			}
73
74			static
75			void clear_args (struct gengetopt_args_info *args_info)
76			{
77			FIX_UNUSED (args_info);
78			args_info->output_arg = NULL;
79			args_info->output_orig = NULL;
80
81			}
82
83			static
84			void init_args_info(struct gengetopt_args_info *args_info)
85			{
86
87
88			args_info->help_help = gengetopt_args_info_help[0] ;
89			args_info->version_help = gengetopt_args_info_help[1] ;
90			args_info->output_help = gengetopt_args_info_help[2] ;
91
92			}
93
94			void
95			cmdline_parser_print_version (void)
96			{
97			printf ("%s %s\n",
98			(strlen(CMDLINE_PARSER_PACKAGE_NAME) ? CMDLINE_PARSER_PACKAGE_NAME : CMDLINE_PARSER_PACKAGE),
99			CMDLINE_PARSER_VERSION);
100	gezelter	2073
101			if (strlen(gengetopt_args_info_versiontext) > 0)
102			printf("\n%s\n", gengetopt_args_info_versiontext);
103	kstocke1	1857	}
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
180
181			for (i = 0; i < args_info->inputs_num; ++i)
182			free (args_info->inputs [i]);
183
184			if (args_info->inputs_num)
185			free (args_info->inputs);
186
187			clear_given (args_info);
188			}
189
190
191			static void
192			write_into_file(FILE outfile, const char opt, const char arg, const char values[])
193			{
194			FIX_UNUSED (values);
195			if (arg) {
196			fprintf(outfile, "%s=\"%s\"\n", opt, arg);
197			} else {
198			fprintf(outfile, "%s\n", opt);
199			}
200			}
201
202
203			int
204			cmdline_parser_dump(FILE outfile, struct gengetopt_args_info args_info)
205			{
206			int i = 0;
207
208			if (!outfile)
209			{
210			fprintf (stderr, "%s: cannot dump options to stream\n", CMDLINE_PARSER_PACKAGE);
211			return EXIT_FAILURE;
212			}
213
214			if (args_info->help_given)
215			write_into_file(outfile, "help", 0, 0 );
216			if (args_info->version_given)
217			write_into_file(outfile, "version", 0, 0 );
218			if (args_info->output_given)
219			write_into_file(outfile, "output", args_info->output_orig, 0);
220
221
222			i = EXIT_SUCCESS;
223			return i;
224			}
225
226			int
227			cmdline_parser_file_save(const char filename, struct gengetopt_args_info args_info)
228			{
229			FILE *outfile;
230			int i = 0;
231
232			outfile = fopen(filename, "w");
233
234			if (!outfile)
235			{
236			fprintf (stderr, "%s: cannot open file for writing: %s\n", CMDLINE_PARSER_PACKAGE, filename);
237			return EXIT_FAILURE;
238			}
239
240			i = cmdline_parser_dump(outfile, args_info);
241			fclose (outfile);
242
243			return i;
244			}
245
246			void
247			cmdline_parser_free (struct gengetopt_args_info *args_info)
248			{
249			cmdline_parser_release (args_info);
250			}
251
252			/** @brief replacement of strdup, which is not standard */
253			char *
254			gengetopt_strdup (const char *s)
255			{
256			char *result = 0;
257			if (!s)
258			return result;
259
260			result = (char*)malloc(strlen(s) + 1);
261			if (result == (char*)0)
262			return (char*)0;
263			strcpy(result, s);
264			return result;
265			}
266
267			int
268			cmdline_parser (int argc, char *argv, struct gengetopt_args_info args_info)
269			{
270			return cmdline_parser2 (argc, argv, args_info, 0, 1, 1);
271			}
272
273			int
274			cmdline_parser_ext (int argc, char *argv, struct gengetopt_args_info args_info,
275			struct cmdline_parser_params *params)
276			{
277			int result;
278			result = cmdline_parser_internal (argc, argv, args_info, params, 0);
279
280			if (result == EXIT_FAILURE)
281			{
282			cmdline_parser_free (args_info);
283			exit (EXIT_FAILURE);
284			}
285
286			return result;
287			}
288
289			int
290			cmdline_parser2 (int argc, char *argv, struct gengetopt_args_info args_info, int override, int initialize, int check_required)
291			{
292			int result;
293			struct cmdline_parser_params params;
294
295			params.override = override;
296			params.initialize = initialize;
297			params.check_required = check_required;
298			params.check_ambiguity = 0;
299			params.print_errors = 1;
300
301			result = cmdline_parser_internal (argc, argv, args_info, &params, 0);
302
303			if (result == EXIT_FAILURE)
304			{
305			cmdline_parser_free (args_info);
306			exit (EXIT_FAILURE);
307			}
308
309			return result;
310			}
311
312			int
313			cmdline_parser_required (struct gengetopt_args_info args_info, const char prog_name)
314			{
315			int result = EXIT_SUCCESS;
316
317			if (cmdline_parser_required2(args_info, prog_name, 0) > 0)
318			result = EXIT_FAILURE;
319
320			if (result == EXIT_FAILURE)
321			{
322			cmdline_parser_free (args_info);
323			exit (EXIT_FAILURE);
324			}
325
326			return result;
327			}
328
329			int
330			cmdline_parser_required2 (struct gengetopt_args_info args_info, const char prog_name, const char *additional_error)
331			{
332	gezelter	2073	int error_occurred = 0;
333	kstocke1	1857	FIX_UNUSED (additional_error);
334
335			/* checks for required options */
336			if (! args_info->output_given)
337			{
338			fprintf (stderr, "%s: '--output' ('-o') option required%s\n", prog_name, (additional_error ? additional_error : ""));
339	gezelter	2073	error_occurred = 1;
340	kstocke1	1857	}
341
342
343			/* checks for dependences among options */
344
345	gezelter	2073	return error_occurred;
346	kstocke1	1857	}
347
348
349			static char *package_name = 0;
350
351			/**
352			* @brief updates an option
353			* @param field the generic pointer to the field to update
354			* @param orig_field the pointer to the orig field
355			* @param field_given the pointer to the number of occurrence of this option
356			* @param prev_given the pointer to the number of occurrence already seen
357			* @param value the argument for this option (if null no arg was specified)
358			* @param possible_values the possible values for this option (if specified)
359			* @param default_value the default value (in case the option only accepts fixed values)
360			* @param arg_type the type of this option
361			* @param check_ambiguity @see cmdline_parser_params.check_ambiguity
362			* @param override @see cmdline_parser_params.override
363			* @param no_free whether to free a possible previous value
364			* @param multiple_option whether this is a multiple option
365			* @param long_opt the corresponding long option
366			* @param short_opt the corresponding short option (or '-' if none)
367			* @param additional_error possible further error specification
368			*/
369			static
370			int update_arg(void field, char *orig_field,
371			unsigned int field_given, unsigned int prev_given,
372			char value, const char possible_values[],
373			const char *default_value,
374			cmdline_parser_arg_type arg_type,
375			int check_ambiguity, int override,
376			int no_free, int multiple_option,
377			const char *long_opt, char short_opt,
378			const char *additional_error)
379			{
380			char *stop_char = 0;
381			const char *val = value;
382			int found;
383			char **string_field;
384			FIX_UNUSED (field);
385
386			stop_char = 0;
387			found = 0;
388
389			if (!multiple_option && prev_given && (prev_given \|\| (check_ambiguity && field_given)))
390			{
391			if (short_opt != '-')
392			fprintf (stderr, "%s: `--%s' (`-%c') option given more than once%s\n",
393			package_name, long_opt, short_opt,
394			(additional_error ? additional_error : ""));
395			else
396			fprintf (stderr, "%s: `--%s' option given more than once%s\n",
397			package_name, long_opt,
398			(additional_error ? additional_error : ""));
399			return 1; /* failure */
400			}
401
402			FIX_UNUSED (default_value);
403
404			if (field_given && *field_given && ! override)
405			return 0;
406			if (prev_given)
407			(*prev_given)++;
408			if (field_given)
409			(*field_given)++;
410			if (possible_values)
411			val = possible_values[found];
412
413			switch(arg_type) {
414			case ARG_STRING:
415			if (val) {
416			string_field = (char **)field;
417			if (!no_free && *string_field)
418			free (string_field); / free previous string */
419			*string_field = gengetopt_strdup (val);
420			}
421			break;
422			default:
423			break;
424			};
425
426
427			/* store the original value */
428			switch(arg_type) {
429			case ARG_NO:
430			break;
431			default:
432			if (value && orig_field) {
433			if (no_free) {
434			*orig_field = value;
435			} else {
436			if (*orig_field)
437			free (orig_field); / free previous string */
438			*orig_field = gengetopt_strdup (value);
439			}
440			}
441			};
442
443			return 0; /* OK */
444			}
445
446
447			int
448			cmdline_parser_internal (
449			int argc, char *argv, struct gengetopt_args_info args_info,
450			struct cmdline_parser_params params, const char additional_error)
451			{
452			int c; /* Character of the parsed option. */
453
454	gezelter	2073	int error_occurred = 0;
455	kstocke1	1857	struct gengetopt_args_info local_args_info;
456
457			int override;
458			int initialize;
459			int check_required;
460			int check_ambiguity;
461
462			package_name = argv[0];
463
464			override = params->override;
465			initialize = params->initialize;
466			check_required = params->check_required;
467			check_ambiguity = params->check_ambiguity;
468
469			if (initialize)
470			cmdline_parser_init (args_info);
471
472			cmdline_parser_init (&local_args_info);
473
474			optarg = 0;
475			optind = 0;
476			opterr = params->print_errors;
477			optopt = '?';
478
479			while (1)
480			{
481			int option_index = 0;
482
483			static struct option long_options[] = {
484			{ "help", 0, NULL, 'h' },
485			{ "version", 0, NULL, 'V' },
486			{ "output", 1, NULL, 'o' },
487			{ 0, 0, 0, 0 }
488			};
489
490			c = getopt_long (argc, argv, "hVo:", long_options, &option_index);
491
492			if (c == -1) break; /* Exit from `while (1)' loop. */
493
494			switch (c)
495			{
496			case 'h': /* Print help and exit. */
497			cmdline_parser_print_help ();
498			cmdline_parser_free (&local_args_info);
499			exit (EXIT_SUCCESS);
500
501			case 'V': /* Print version and exit. */
502			cmdline_parser_print_version ();
503			cmdline_parser_free (&local_args_info);
504			exit (EXIT_SUCCESS);
505
506			case 'o': /* Output file name. */
507
508
509			if (update_arg( (void *)&(args_info->output_arg),
510			&(args_info->output_orig), &(args_info->output_given),
511			&(local_args_info.output_given), optarg, 0, 0, ARG_STRING,
512			check_ambiguity, override, 0, 0,
513			"output", 'o',
514			additional_error))
515			goto failure;
516
517			break;
518
519			case 0: /* Long option with no short option */
520			case '?': /* Invalid option. */
521			/* `getopt_long' already printed an error message. */
522			goto failure;
523
524			default: /* bug: option not considered. */
525			fprintf (stderr, "%s: option unknown: %c%s\n", CMDLINE_PARSER_PACKAGE, c, (additional_error ? additional_error : ""));
526			abort ();
527			} /* switch */
528			} /* while */
529
530
531
532			if (check_required)
533			{
534	gezelter	2073	error_occurred += cmdline_parser_required2 (args_info, argv[0], additional_error);
535	kstocke1	1857	}
536
537			cmdline_parser_release (&local_args_info);
538
539	gezelter	2073	if ( error_occurred )
540	kstocke1	1857	return (EXIT_FAILURE);
541
542			if (optind < argc)
543			{
544			int i = 0 ;
545			int found_prog_name = 0;
546			/* whether program name, i.e., argv[0], is in the remaining args
547			(this may happen with some implementations of getopt,
548			but surely not with the one included by gengetopt) */
549
550			i = optind;
551			while (i < argc)
552			if (argv[i++] == argv[0]) {
553			found_prog_name = 1;
554			break;
555			}
556			i = 0;
557
558			args_info->inputs_num = argc - optind - found_prog_name;
559			args_info->inputs =
560			(char *)(malloc ((args_info->inputs_num)sizeof(char *))) ;
561			while (optind < argc)
562			if (argv[optind++] != argv[0])
563			args_info->inputs[ i++ ] = gengetopt_strdup (argv[optind-1]) ;
564			}
565
566			return 0;
567
568			failure:
569
570			cmdline_parser_release (&local_args_info);
571			return (EXIT_FAILURE);
572			}