applications/dump2Xyz/Dump2XYZCmd.c

/*
  File autogenerated by gengetopt version 2.11
  generated with the following command:
  /home/maul/gezelter/tim/bin/gengetopt -F Dump2XYZCmd 

  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.
*/


#include <stdio.h>
#include <stdlib.h>
#include <string.h>

/* If we use autoconf.  */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "getopt.h"

#include "Dump2XYZCmd.h"

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

void
cmdline_parser_print_help (void)
{
  cmdline_parser_print_version ();
  printf("\n"
         "Usage: %s [OPTIONS]...\n", CMDLINE_PARSER_PACKAGE);
  printf("\n");
  printf("  -h, --help                         Print help and exit\n");
  printf("  -V, --version                      Print version and exit\n");
  printf("  -i, --input=filename               input dump file\n");
  printf("  -o, --output=filename              output file name\n");
  printf("  -n, --frame=INT                    print every n frame  (default=`1')\n");
  printf("  -w, --water                        skip the the waters  (default=off)\n");
  printf("  -m, --periodicBox                  map to the periodic box  (default=off)\n");
  printf("  -z, --zconstraint                  replace the atom types of zconstraint \n                                       molecules  (default=off)\n");
  printf("  -r, --rigidbody                    add a pseudo COM atom to rigidbody  \n                                       (default=off)\n");
  printf("  -t, --watertype                    replace the atom type of water model  \n                                       (default=on)\n");
  printf("  -s, --selection=selection script   general selection syntax\n");
  printf("      --originsele=selection script  select origin\n");
  printf("      --refsele=selection script     select reference\n");
  printf("      --repeatX=INT                  The number of images to repeat in the x \n                                       direction  (default=`0')\n");
  printf("      --repeatY=INT                  The number of images to repeat in the y \n                                       direction  (default=`0')\n");
  printf("      --repeatZ=INT                  The number of images to repeat in the z \n                                       direction  (default=`0')\n");
}


static char *gengetopt_strdup (const char *s);

/* gengetopt_strdup() */
/* strdup.c replacement of strdup, which is not standard */
char *
gengetopt_strdup (const char *s)
{
  char *result = (char*)malloc(strlen(s) + 1);
  if (result == (char*)0)
    return (char*)0;
  strcpy(result, s);
  return result;
}

int
cmdline_parser (int argc, char * const *argv, struct gengetopt_args_info *args_info)
{
  int c;        /* Character of the parsed option.  */
  int missing_required_options = 0;

  args_info->help_given = 0 ;
  args_info->version_given = 0 ;
  args_info->input_given = 0 ;
  args_info->output_given = 0 ;
  args_info->frame_given = 0 ;
  args_info->water_given = 0 ;
  args_info->periodicBox_given = 0 ;
  args_info->zconstraint_given = 0 ;
  args_info->rigidbody_given = 0 ;
  args_info->watertype_given = 0 ;
  args_info->selection_given = 0 ;
  args_info->originsele_given = 0 ;
  args_info->refsele_given = 0 ;
  args_info->repeatX_given = 0 ;
  args_info->repeatY_given = 0 ;
  args_info->repeatZ_given = 0 ;
#define clear_args() {                          \
    args_info->input_arg = NULL;                \
    args_info->output_arg = NULL;               \
    args_info->frame_arg = 1 ;                  \
    args_info->water_flag = 0;                  \
    args_info->periodicBox_flag = 0;            \
    args_info->zconstraint_flag = 0;            \
    args_info->rigidbody_flag = 0;              \
    args_info->watertype_flag = 1;              \
    args_info->selection_arg = NULL;            \
    args_info->originsele_arg = NULL;           \
    args_info->refsele_arg = NULL;              \
    args_info->repeatX_arg = 0 ;                \
    args_info->repeatY_arg = 0 ;                \
    args_info->repeatZ_arg = 0 ;                \
  }

  clear_args();

  optarg = 0;
  optind = 1;
  opterr = 1;
  optopt = '?';

  while (1)
    {
      int option_index = 0;
      char *stop_char;

      static struct option long_options[] = {
        { "help",       0, NULL, 'h' },
        { "version",    0, NULL, 'V' },
        { "input",      1, NULL, 'i' },
        { "output",     1, NULL, 'o' },
        { "frame",      1, NULL, 'n' },
        { "water",      0, NULL, 'w' },
        { "periodicBox",        0, NULL, 'm' },
        { "zconstraint",        0, NULL, 'z' },
        { "rigidbody",  0, NULL, 'r' },
        { "watertype",  0, NULL, 't' },
        { "selection",  1, NULL, 's' },
        { "originsele", 1, NULL, 0 },
        { "refsele",    1, NULL, 0 },
        { "repeatX",    1, NULL, 0 },
        { "repeatY",    1, NULL, 0 },
        { "repeatZ",    1, NULL, 0 },
        { NULL, 0, NULL, 0 }
      };

      stop_char = 0;
      c = getopt_long (argc, argv, "hVi:o:n:wmzrts:", long_options, &option_index);

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

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

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

        case 'i':       /* input dump file.  */
          if (args_info->input_given)
            {
              fprintf (stderr, "%s: `--input' (`-i') option given more than once\n", CMDLINE_PARSER_PACKAGE);
              clear_args ();
              exit (EXIT_FAILURE);
            }
          args_info->input_given = 1;
          args_info->input_arg = gengetopt_strdup (optarg);
          break;

        case 'o':       /* output file name.  */
          if (args_info->output_given)
            {
              fprintf (stderr, "%s: `--output' (`-o') option given more than once\n", CMDLINE_PARSER_PACKAGE);
              clear_args ();
              exit (EXIT_FAILURE);
            }
          args_info->output_given = 1;
          args_info->output_arg = gengetopt_strdup (optarg);
          break;

        case 'n':       /* print every n frame.  */
          if (args_info->frame_given)
            {
              fprintf (stderr, "%s: `--frame' (`-n') option given more than once\n", CMDLINE_PARSER_PACKAGE);
              clear_args ();
              exit (EXIT_FAILURE);
            }
          args_info->frame_given = 1;
          args_info->frame_arg = strtol (optarg,&stop_char,0);
          break;

        case 'w':       /* skip the the waters.  */
          if (args_info->water_given)
            {
              fprintf (stderr, "%s: `--water' (`-w') option given more than once\n", CMDLINE_PARSER_PACKAGE);
              clear_args ();
              exit (EXIT_FAILURE);
            }
          args_info->water_given = 1;
          args_info->water_flag = !(args_info->water_flag);
          break;

        case 'm':       /* map to the periodic box.  */
          if (args_info->periodicBox_given)
            {
              fprintf (stderr, "%s: `--periodicBox' (`-m') option given more than once\n", CMDLINE_PARSER_PACKAGE);
              clear_args ();
              exit (EXIT_FAILURE);
            }
          args_info->periodicBox_given = 1;
          args_info->periodicBox_flag = !(args_info->periodicBox_flag);
          break;

        case 'z':       /* replace the atom types of zconstraint molecules.  */
          if (args_info->zconstraint_given)
            {
              fprintf (stderr, "%s: `--zconstraint' (`-z') option given more than once\n", CMDLINE_PARSER_PACKAGE);
              clear_args ();
              exit (EXIT_FAILURE);
            }
          args_info->zconstraint_given = 1;
          args_info->zconstraint_flag = !(args_info->zconstraint_flag);
          break;

        case 'r':       /* add a pseudo COM atom to rigidbody.  */
          if (args_info->rigidbody_given)
            {
              fprintf (stderr, "%s: `--rigidbody' (`-r') option given more than once\n", CMDLINE_PARSER_PACKAGE);
              clear_args ();
              exit (EXIT_FAILURE);
            }
          args_info->rigidbody_given = 1;
          args_info->rigidbody_flag = !(args_info->rigidbody_flag);
          break;

        case 't':       /* replace the atom type of water model.  */
          if (args_info->watertype_given)
            {
              fprintf (stderr, "%s: `--watertype' (`-t') option given more than once\n", CMDLINE_PARSER_PACKAGE);
              clear_args ();
              exit (EXIT_FAILURE);
            }
          args_info->watertype_given = 1;
          args_info->watertype_flag = !(args_info->watertype_flag);
          break;

        case 's':       /* general selection syntax.  */
          if (args_info->selection_given)
            {
              fprintf (stderr, "%s: `--selection' (`-s') option given more than once\n", CMDLINE_PARSER_PACKAGE);
              clear_args ();
              exit (EXIT_FAILURE);
            }
          args_info->selection_given = 1;
          args_info->selection_arg = gengetopt_strdup (optarg);
          break;


        case 0: /* Long option with no short option */
          /* select origin.  */
          if (strcmp (long_options[option_index].name, "originsele") == 0)
            {
              if (args_info->originsele_given)
                {
                  fprintf (stderr, "%s: `--originsele' option given more than once\n", CMDLINE_PARSER_PACKAGE);
                  clear_args ();
                  exit (EXIT_FAILURE);
                }
              args_info->originsele_given = 1;
              args_info->originsele_arg = gengetopt_strdup (optarg);
              break;
            }
          
          /* select reference.  */
          else if (strcmp (long_options[option_index].name, "refsele") == 0)
            {
              if (args_info->refsele_given)
                {
                  fprintf (stderr, "%s: `--refsele' option given more than once\n", CMDLINE_PARSER_PACKAGE);
                  clear_args ();
                  exit (EXIT_FAILURE);
                }
              args_info->refsele_given = 1;
              args_info->refsele_arg = gengetopt_strdup (optarg);
              break;
            }
          
          /* The number of images to repeat in the x direction.  */
          else if (strcmp (long_options[option_index].name, "repeatX") == 0)
            {
              if (args_info->repeatX_given)
                {
                  fprintf (stderr, "%s: `--repeatX' option given more than once\n", CMDLINE_PARSER_PACKAGE);
                  clear_args ();
                  exit (EXIT_FAILURE);
                }
              args_info->repeatX_given = 1;
              args_info->repeatX_arg = strtol (optarg,&stop_char,0);
              break;
            }
          
          /* The number of images to repeat in the y direction.  */
          else if (strcmp (long_options[option_index].name, "repeatY") == 0)
            {
              if (args_info->repeatY_given)
                {
                  fprintf (stderr, "%s: `--repeatY' option given more than once\n", CMDLINE_PARSER_PACKAGE);
                  clear_args ();
                  exit (EXIT_FAILURE);
                }
              args_info->repeatY_given = 1;
              args_info->repeatY_arg = strtol (optarg,&stop_char,0);
              break;
            }
          
          /* The number of images to repeat in the z direction.  */
          else if (strcmp (long_options[option_index].name, "repeatZ") == 0)
            {
              if (args_info->repeatZ_given)
                {
                  fprintf (stderr, "%s: `--repeatZ' option given more than once\n", CMDLINE_PARSER_PACKAGE);
                  clear_args ();
                  exit (EXIT_FAILURE);
                }
              args_info->repeatZ_given = 1;
              args_info->repeatZ_arg = strtol (optarg,&stop_char,0);
              break;
            }
          

        case '?':       /* Invalid option.  */
          /* `getopt_long' already printed an error message.  */
          exit (EXIT_FAILURE);

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


  if (! args_info->input_given)
    {
      fprintf (stderr, "%s: '--input' ('-i') option required\n", CMDLINE_PARSER_PACKAGE);
      missing_required_options = 1;
    }
  if ( missing_required_options )
    exit (EXIT_FAILURE);

  return 0;
}
Revision:	2204
Committed:	Fri Apr 15 22:04:00 2005 UTC (19 years, 3 months ago) by gezelter
Content type:	text/plain
File size:	12051 byte(s)
Log Message:	xemacs has been drafted to perform our indentation services
#	Content
1	/*
2	File autogenerated by gengetopt version 2.11
3	generated with the following command:
4	/home/maul/gezelter/tim/bin/gengetopt -F Dump2XYZCmd
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
12	#include <stdio.h>
13	#include <stdlib.h>
14	#include <string.h>
15
16	/* If we use autoconf. */
17	#ifdef HAVE_CONFIG_H
18	#include "config.h"
19	#endif
20
21	#include "getopt.h"
22
23	#include "Dump2XYZCmd.h"
24
25	void
26	cmdline_parser_print_version (void)
27	{
28	printf ("%s %s\n", CMDLINE_PARSER_PACKAGE, CMDLINE_PARSER_VERSION);
29	}
30
31	void
32	cmdline_parser_print_help (void)
33	{
34	cmdline_parser_print_version ();
35	printf("\n"
36	"Usage: %s [OPTIONS]...\n", CMDLINE_PARSER_PACKAGE);
37	printf("\n");
38	printf(" -h, --help Print help and exit\n");
39	printf(" -V, --version Print version and exit\n");
40	printf(" -i, --input=filename input dump file\n");
41	printf(" -o, --output=filename output file name\n");
42	printf(" -n, --frame=INT print every n frame (default=`1')\n");
43	printf(" -w, --water skip the the waters (default=off)\n");
44	printf(" -m, --periodicBox map to the periodic box (default=off)\n");
45	printf(" -z, --zconstraint replace the atom types of zconstraint \n molecules (default=off)\n");
46	printf(" -r, --rigidbody add a pseudo COM atom to rigidbody \n (default=off)\n");
47	printf(" -t, --watertype replace the atom type of water model \n (default=on)\n");
48	printf(" -s, --selection=selection script general selection syntax\n");
49	printf(" --originsele=selection script select origin\n");
50	printf(" --refsele=selection script select reference\n");
51	printf(" --repeatX=INT The number of images to repeat in the x \n direction (default=`0')\n");
52	printf(" --repeatY=INT The number of images to repeat in the y \n direction (default=`0')\n");
53	printf(" --repeatZ=INT The number of images to repeat in the z \n direction (default=`0')\n");
54	}
55
56
57	static char gengetopt_strdup (const char s);
58
59	/* gengetopt_strdup() */
60	/* strdup.c replacement of strdup, which is not standard */
61	char *
62	gengetopt_strdup (const char *s)
63	{
64	char result = (char)malloc(strlen(s) + 1);
65	if (result == (char*)0)
66	return (char*)0;
67	strcpy(result, s);
68	return result;
69	}
70
71	int
72	cmdline_parser (int argc, char * const argv, struct gengetopt_args_info args_info)
73	{
74	int c; /* Character of the parsed option. */
75	int missing_required_options = 0;
76
77	args_info->help_given = 0 ;
78	args_info->version_given = 0 ;
79	args_info->input_given = 0 ;
80	args_info->output_given = 0 ;
81	args_info->frame_given = 0 ;
82	args_info->water_given = 0 ;
83	args_info->periodicBox_given = 0 ;
84	args_info->zconstraint_given = 0 ;
85	args_info->rigidbody_given = 0 ;
86	args_info->watertype_given = 0 ;
87	args_info->selection_given = 0 ;
88	args_info->originsele_given = 0 ;
89	args_info->refsele_given = 0 ;
90	args_info->repeatX_given = 0 ;
91	args_info->repeatY_given = 0 ;
92	args_info->repeatZ_given = 0 ;
93	#define clear_args() { \
94	args_info->input_arg = NULL; \
95	args_info->output_arg = NULL; \
96	args_info->frame_arg = 1 ; \
97	args_info->water_flag = 0; \
98	args_info->periodicBox_flag = 0; \
99	args_info->zconstraint_flag = 0; \
100	args_info->rigidbody_flag = 0; \
101	args_info->watertype_flag = 1; \
102	args_info->selection_arg = NULL; \
103	args_info->originsele_arg = NULL; \
104	args_info->refsele_arg = NULL; \
105	args_info->repeatX_arg = 0 ; \
106	args_info->repeatY_arg = 0 ; \
107	args_info->repeatZ_arg = 0 ; \
108	}
109
110	clear_args();
111
112	optarg = 0;
113	optind = 1;
114	opterr = 1;
115	optopt = '?';
116
117	while (1)
118	{
119	int option_index = 0;
120	char *stop_char;
121
122	static struct option long_options[] = {
123	{ "help", 0, NULL, 'h' },
124	{ "version", 0, NULL, 'V' },
125	{ "input", 1, NULL, 'i' },
126	{ "output", 1, NULL, 'o' },
127	{ "frame", 1, NULL, 'n' },
128	{ "water", 0, NULL, 'w' },
129	{ "periodicBox", 0, NULL, 'm' },
130	{ "zconstraint", 0, NULL, 'z' },
131	{ "rigidbody", 0, NULL, 'r' },
132	{ "watertype", 0, NULL, 't' },
133	{ "selection", 1, NULL, 's' },
134	{ "originsele", 1, NULL, 0 },
135	{ "refsele", 1, NULL, 0 },
136	{ "repeatX", 1, NULL, 0 },
137	{ "repeatY", 1, NULL, 0 },
138	{ "repeatZ", 1, NULL, 0 },
139	{ NULL, 0, NULL, 0 }
140	};
141
142	stop_char = 0;
143	c = getopt_long (argc, argv, "hVi:o:n:wmzrts:", long_options, &option_index);
144
145	if (c == -1) break; /* Exit from `while (1)' loop. */
146
147	switch (c)
148	{
149	case 'h': /* Print help and exit. */
150	clear_args ();
151	cmdline_parser_print_help ();
152	exit (EXIT_SUCCESS);
153
154	case 'V': /* Print version and exit. */
155	clear_args ();
156	cmdline_parser_print_version ();
157	exit (EXIT_SUCCESS);
158
159	case 'i': /* input dump file. */
160	if (args_info->input_given)
161	{
162	fprintf (stderr, "%s: `--input' (`-i') option given more than once\n", CMDLINE_PARSER_PACKAGE);
163	clear_args ();
164	exit (EXIT_FAILURE);
165	}
166	args_info->input_given = 1;
167	args_info->input_arg = gengetopt_strdup (optarg);
168	break;
169
170	case 'o': /* output file name. */
171	if (args_info->output_given)
172	{
173	fprintf (stderr, "%s: `--output' (`-o') option given more than once\n", CMDLINE_PARSER_PACKAGE);
174	clear_args ();
175	exit (EXIT_FAILURE);
176	}
177	args_info->output_given = 1;
178	args_info->output_arg = gengetopt_strdup (optarg);
179	break;
180
181	case 'n': /* print every n frame. */
182	if (args_info->frame_given)
183	{
184	fprintf (stderr, "%s: `--frame' (`-n') option given more than once\n", CMDLINE_PARSER_PACKAGE);
185	clear_args ();
186	exit (EXIT_FAILURE);
187	}
188	args_info->frame_given = 1;
189	args_info->frame_arg = strtol (optarg,&stop_char,0);
190	break;
191
192	case 'w': /* skip the the waters. */
193	if (args_info->water_given)
194	{
195	fprintf (stderr, "%s: `--water' (`-w') option given more than once\n", CMDLINE_PARSER_PACKAGE);
196	clear_args ();
197	exit (EXIT_FAILURE);
198	}
199	args_info->water_given = 1;
200	args_info->water_flag = !(args_info->water_flag);
201	break;
202
203	case 'm': /* map to the periodic box. */
204	if (args_info->periodicBox_given)
205	{
206	fprintf (stderr, "%s: `--periodicBox' (`-m') option given more than once\n", CMDLINE_PARSER_PACKAGE);
207	clear_args ();
208	exit (EXIT_FAILURE);
209	}
210	args_info->periodicBox_given = 1;
211	args_info->periodicBox_flag = !(args_info->periodicBox_flag);
212	break;
213
214	case 'z': /* replace the atom types of zconstraint molecules. */
215	if (args_info->zconstraint_given)
216	{
217	fprintf (stderr, "%s: `--zconstraint' (`-z') option given more than once\n", CMDLINE_PARSER_PACKAGE);
218	clear_args ();
219	exit (EXIT_FAILURE);
220	}
221	args_info->zconstraint_given = 1;
222	args_info->zconstraint_flag = !(args_info->zconstraint_flag);
223	break;
224
225	case 'r': /* add a pseudo COM atom to rigidbody. */
226	if (args_info->rigidbody_given)
227	{
228	fprintf (stderr, "%s: `--rigidbody' (`-r') option given more than once\n", CMDLINE_PARSER_PACKAGE);
229	clear_args ();
230	exit (EXIT_FAILURE);
231	}
232	args_info->rigidbody_given = 1;
233	args_info->rigidbody_flag = !(args_info->rigidbody_flag);
234	break;
235
236	case 't': /* replace the atom type of water model. */
237	if (args_info->watertype_given)
238	{
239	fprintf (stderr, "%s: `--watertype' (`-t') option given more than once\n", CMDLINE_PARSER_PACKAGE);
240	clear_args ();
241	exit (EXIT_FAILURE);
242	}
243	args_info->watertype_given = 1;
244	args_info->watertype_flag = !(args_info->watertype_flag);
245	break;
246
247	case 's': /* general selection syntax. */
248	if (args_info->selection_given)
249	{
250	fprintf (stderr, "%s: `--selection' (`-s') option given more than once\n", CMDLINE_PARSER_PACKAGE);
251	clear_args ();
252	exit (EXIT_FAILURE);
253	}
254	args_info->selection_given = 1;
255	args_info->selection_arg = gengetopt_strdup (optarg);
256	break;
257
258
259	case 0: /* Long option with no short option */
260	/* select origin. */
261	if (strcmp (long_options[option_index].name, "originsele") == 0)
262	{
263	if (args_info->originsele_given)
264	{
265	fprintf (stderr, "%s: `--originsele' option given more than once\n", CMDLINE_PARSER_PACKAGE);
266	clear_args ();
267	exit (EXIT_FAILURE);
268	}
269	args_info->originsele_given = 1;
270	args_info->originsele_arg = gengetopt_strdup (optarg);
271	break;
272	}
273
274	/* select reference. */
275	else if (strcmp (long_options[option_index].name, "refsele") == 0)
276	{
277	if (args_info->refsele_given)
278	{
279	fprintf (stderr, "%s: `--refsele' option given more than once\n", CMDLINE_PARSER_PACKAGE);
280	clear_args ();
281	exit (EXIT_FAILURE);
282	}
283	args_info->refsele_given = 1;
284	args_info->refsele_arg = gengetopt_strdup (optarg);
285	break;
286	}
287
288	/* The number of images to repeat in the x direction. */
289	else if (strcmp (long_options[option_index].name, "repeatX") == 0)
290	{
291	if (args_info->repeatX_given)
292	{
293	fprintf (stderr, "%s: `--repeatX' option given more than once\n", CMDLINE_PARSER_PACKAGE);
294	clear_args ();
295	exit (EXIT_FAILURE);
296	}
297	args_info->repeatX_given = 1;
298	args_info->repeatX_arg = strtol (optarg,&stop_char,0);
299	break;
300	}
301
302	/* The number of images to repeat in the y direction. */
303	else if (strcmp (long_options[option_index].name, "repeatY") == 0)
304	{
305	if (args_info->repeatY_given)
306	{
307	fprintf (stderr, "%s: `--repeatY' option given more than once\n", CMDLINE_PARSER_PACKAGE);
308	clear_args ();
309	exit (EXIT_FAILURE);
310	}
311	args_info->repeatY_given = 1;
312	args_info->repeatY_arg = strtol (optarg,&stop_char,0);
313	break;
314	}
315
316	/* The number of images to repeat in the z direction. */
317	else if (strcmp (long_options[option_index].name, "repeatZ") == 0)
318	{
319	if (args_info->repeatZ_given)
320	{
321	fprintf (stderr, "%s: `--repeatZ' option given more than once\n", CMDLINE_PARSER_PACKAGE);
322	clear_args ();
323	exit (EXIT_FAILURE);
324	}
325	args_info->repeatZ_given = 1;
326	args_info->repeatZ_arg = strtol (optarg,&stop_char,0);
327	break;
328	}
329
330
331	case '?': /* Invalid option. */
332	/* `getopt_long' already printed an error message. */
333	exit (EXIT_FAILURE);
334
335	default: /* bug: option not considered. */
336	fprintf (stderr, "%s: option unknown: %c\n", CMDLINE_PARSER_PACKAGE, c);
337	abort ();
338	} /* switch */
339	} /* while */
340
341
342	if (! args_info->input_given)
343	{
344	fprintf (stderr, "%s: '--input' ('-i') option required\n", CMDLINE_PARSER_PACKAGE);
345	missing_required_options = 1;
346	}
347	if ( missing_required_options )
348	exit (EXIT_FAILURE);
349
350	return 0;
351	}