diff options
| author | svn2git <svn2git@FreeBSD.org> | 1994-05-01 08:00:00 +0000 | 
|---|---|---|
| committer | svn2git <svn2git@FreeBSD.org> | 1994-05-01 08:00:00 +0000 | 
| commit | a16f65c7d117419bd266c28a1901ef129a337569 (patch) | |
| tree | 2626602f66dc3551e7a7c7bc9ad763c3bc7ab40a /gnu/usr.bin/awk/getopt1.c | |
| parent | 8503f4f13f77abf7adc8f7e329c6f9c1d52b6a20 (diff) | |
Diffstat (limited to 'gnu/usr.bin/awk/getopt1.c')
| -rw-r--r-- | gnu/usr.bin/awk/getopt1.c | 160 | 
1 files changed, 160 insertions, 0 deletions
| diff --git a/gnu/usr.bin/awk/getopt1.c b/gnu/usr.bin/awk/getopt1.c new file mode 100644 index 000000000000..e2127cd58d42 --- /dev/null +++ b/gnu/usr.bin/awk/getopt1.c @@ -0,0 +1,160 @@ +/* Getopt for GNU. +   Copyright (C) 1987, 88, 89, 90, 91, 1992 Free Software Foundation, Inc. + +This file is part of the libiberty library. +Libiberty 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. + +Libiberty 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 libiberty; see the file COPYING.LIB.  If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA.  */ + +#ifdef	LIBC +/* For when compiled as part of the GNU C library.  */ +#include <ansidecl.h> +#endif + +#include "getopt.h" + +#ifndef __STDC__ +#define const +#endif + +#if defined(STDC_HEADERS) || defined(__GNU_LIBRARY__) || defined (LIBC) +#include <stdlib.h> +#else /* STDC_HEADERS or __GNU_LIBRARY__ */ +char *getenv (); +#endif /* STDC_HEADERS or __GNU_LIBRARY__ */ + +#if !defined (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); +} + +#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 */ | 
