lsys/getopt1.c

/* getopt_long and getopt_long_only entry points for GNU getopt.
   Copyright (C) 1987, 88, 89, 90, 91, 92, 1993, 1994
        Free Software Foundation, Inc.

This file is part of the GNU C Library.  Its master source is NOT part of
the C library, however.  The master source lives in /gd/gnu/lib.

The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.

The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB.  If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA.  */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "getopt.h"

#if !defined (__STDC__) || !__STDC__
/* This is a separate conditional since some stdc systems
   reject `defined (const)'.  */
#ifndef const
#define const
#endif
#endif

#include <stdio.h>

/* Comment out all this code if we are using the GNU C Library, and are not
   actually compiling the library itself.  This code is part of the GNU C
   Library, but also included in many other GNU distributions.  Compiling
   and linking in this code is a waste when using the GNU C library
   (especially if it is a shared library).  Rather than having every GNU
   program understand `configure --with-gnu-libc' and omit the object files,
   it is simpler to just do this in the source for each such file.  */

#if defined (_LIBC) || !defined (__GNU_LIBRARY__)


/* This needs to come after some library #include
   to get __GNU_LIBRARY__ defined.  */
#ifdef __GNU_LIBRARY__
#include <stdlib.h>
#else
char *getenv ();
#endif

#ifndef NULL
#define NULL 0
#endif

int
getopt_long (argc, argv, options, long_options, opt_index)
     int argc;
     char *const *argv;
     const char *options;
     const struct option *long_options;
     int *opt_index;
{
  return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
}

/* Like getopt_long, but '-' as well as '--' can indicate a long option.
   If an option that starts with '-' (not '--') doesn't match a long option,
   but does match a short option, it is parsed as a short option
   instead.  */

int
getopt_long_only (argc, argv, options, long_options, opt_index)
     int argc;
     char *const *argv;
     const char *options;
     const struct option *long_options;
     int *opt_index;
{
  return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
}


#endif  /* _LIBC or not __GNU_LIBRARY__.  */

#ifdef TEST

#include <stdio.h>

int
main (argc, argv)
     int argc;
     char **argv;
{
  int c;
  int digit_optind = 0;

  while (1)
    {
      int this_option_optind = optind ? optind : 1;
      int option_index = 0;
      static struct option long_options[] =
      {
        {"add", 1, 0, 0},
        {"append", 0, 0, 0},
        {"delete", 1, 0, 0},
        {"verbose", 0, 0, 0},
        {"create", 0, 0, 0},
        {"file", 1, 0, 0},
        {0, 0, 0, 0}
      };

      c = getopt_long (argc, argv, "abc:d:0123456789",
                       long_options, &option_index);
      if (c == EOF)
        break;

      switch (c)
        {
        case 0:
          printf ("option %s", long_options[option_index].name);
          if (optarg)
            printf (" with arg %s", optarg);
          printf ("\n");
          break;

        case '0':
        case '1':
        case '2':
        case '3':
        case '4':
        case '5':
        case '6':
        case '7':
        case '8':
        case '9':
          if (digit_optind != 0 && digit_optind != this_option_optind)
            printf ("digits occur in two different argv-elements.\n");
          digit_optind = this_option_optind;
          printf ("option %c\n", c);
          break;

        case 'a':
          printf ("option a\n");
          break;

        case 'b':
          printf ("option b\n");
          break;

        case 'c':
          printf ("option c with value `%s'\n", optarg);
          break;

        case 'd':
          printf ("option d with value `%s'\n", optarg);
          break;

        case '?':
          break;

        default:
          printf ("?? getopt returned character code 0%o ??\n", c);
        }
    }

  if (optind < argc)
    {
      printf ("non-option ARGV-elements: ");
      while (optind < argc)
        printf ("%s ", argv[optind++]);
      printf ("\n");
    }

  exit (0);
}

#endif /* TEST */
Revision:	1.1
Committed:	Thu Nov 6 14:31:24 2008 UTC (15 years, 6 months ago) by root
Content type:	text/plain
Branch:	MAIN
CVS Tags:	HEAD
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	/* getopt_long and getopt_long_only entry points for GNU getopt.
2			Copyright (C) 1987, 88, 89, 90, 91, 92, 1993, 1994
3			Free Software Foundation, Inc.
4
5			This file is part of the GNU C Library. Its master source is NOT part of
6			the C library, however. The master source lives in /gd/gnu/lib.
7
8			The GNU C Library is free software; you can redistribute it and/or
9			modify it under the terms of the GNU Library General Public License as
10			published by the Free Software Foundation; either version 2 of the
11			License, or (at your option) any later version.
12
13			The GNU C Library is distributed in the hope that it will be useful,
14			but WITHOUT ANY WARRANTY; without even the implied warranty of
15			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16			Library General Public License for more details.
17
18			You should have received a copy of the GNU Library General Public
19			License along with the GNU C Library; see the file COPYING.LIB. If
20			not, write to the Free Software Foundation, Inc., 675 Mass Ave,
21			Cambridge, MA 02139, USA. */
22
23			#ifdef HAVE_CONFIG_H
24			#include <config.h>
25			#endif
26
27			#include "getopt.h"
28
29			#if !defined (__STDC__) \|\| !__STDC__
30			/* This is a separate conditional since some stdc systems
31			reject `defined (const)'. */
32			#ifndef const
33			#define const
34			#endif
35			#endif
36
37			#include <stdio.h>
38
39			/* Comment out all this code if we are using the GNU C Library, and are not
40			actually compiling the library itself. This code is part of the GNU C
41			Library, but also included in many other GNU distributions. Compiling
42			and linking in this code is a waste when using the GNU C library
43			(especially if it is a shared library). Rather than having every GNU
44			program understand `configure --with-gnu-libc' and omit the object files,
45			it is simpler to just do this in the source for each such file. */
46
47			#if defined (_LIBC) \|\| !defined (__GNU_LIBRARY__)
48
49
50			/* This needs to come after some library #include
51			to get __GNU_LIBRARY__ defined. */
52			#ifdef __GNU_LIBRARY__
53			#include <stdlib.h>
54			#else
55			char *getenv ();
56			#endif
57
58			#ifndef NULL
59			#define NULL 0
60			#endif
61
62			int
63			getopt_long (argc, argv, options, long_options, opt_index)
64			int argc;
65			char const argv;
66			const char *options;
67			const struct option *long_options;
68			int *opt_index;
69			{
70			return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
71			}
72
73			/* Like getopt_long, but '-' as well as '--' can indicate a long option.
74			If an option that starts with '-' (not '--') doesn't match a long option,
75			but does match a short option, it is parsed as a short option
76			instead. */
77
78			int
79			getopt_long_only (argc, argv, options, long_options, opt_index)
80			int argc;
81			char const argv;
82			const char *options;
83			const struct option *long_options;
84			int *opt_index;
85			{
86			return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
87			}
88
89
90			#endif /* _LIBC or not __GNU_LIBRARY__. */
91
92			#ifdef TEST
93
94			#include <stdio.h>
95
96			int
97			main (argc, argv)
98			int argc;
99			char **argv;
100			{
101			int c;
102			int digit_optind = 0;
103
104			while (1)
105			{
106			int this_option_optind = optind ? optind : 1;
107			int option_index = 0;
108			static struct option long_options[] =
109			{
110			{"add", 1, 0, 0},
111			{"append", 0, 0, 0},
112			{"delete", 1, 0, 0},
113			{"verbose", 0, 0, 0},
114			{"create", 0, 0, 0},
115			{"file", 1, 0, 0},
116			{0, 0, 0, 0}
117			};
118
119			c = getopt_long (argc, argv, "abc:d:0123456789",
120			long_options, &option_index);
121			if (c == EOF)
122			break;
123
124			switch (c)
125			{
126			case 0:
127			printf ("option %s", long_options[option_index].name);
128			if (optarg)
129			printf (" with arg %s", optarg);
130			printf ("\n");
131			break;
132
133			case '0':
134			case '1':
135			case '2':
136			case '3':
137			case '4':
138			case '5':
139			case '6':
140			case '7':
141			case '8':
142			case '9':
143			if (digit_optind != 0 && digit_optind != this_option_optind)
144			printf ("digits occur in two different argv-elements.\n");
145			digit_optind = this_option_optind;
146			printf ("option %c\n", c);
147			break;
148
149			case 'a':
150			printf ("option a\n");
151			break;
152
153			case 'b':
154			printf ("option b\n");
155			break;
156
157			case 'c':
158			printf ("option c with value `%s'\n", optarg);
159			break;
160
161			case 'd':
162			printf ("option d with value `%s'\n", optarg);
163			break;
164
165			case '?':
166			break;
167
168			default:
169			printf ("?? getopt returned character code 0%o ??\n", c);
170			}
171			}
172
173			if (optind < argc)
174			{
175			printf ("non-option ARGV-elements: ");
176			while (optind < argc)
177			printf ("%s ", argv[optind++]);
178			printf ("\n");
179			}
180
181			exit (0);
182			}
183
184			#endif /* TEST */