+++ /dev/null
-/* argmatch.h -- definitions and prototypes for argmatch.c
-
- Copyright (C) 1990, 1998, 1999, 2001, 2002, 2004, 2005 Free Software
- Foundation, Inc.
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
-
-/* Written by David MacKenzie <djm@ai.mit.edu>
- Modified by Akim Demaille <demaille@inf.enst.fr> */
-
-#ifndef ARGMATCH_H_
-# define ARGMATCH_H_ 1
-
-# include <stddef.h>
-
-# include "verify.h"
-
-# define ARRAY_CARDINALITY(Array) (sizeof (Array) / sizeof *(Array))
-
-/* Assert there are as many real arguments as there are values
- (argument list ends with a NULL guard). */
-
-# define ARGMATCH_VERIFY(Arglist, Vallist) \
- verify (ARRAY_CARDINALITY (Arglist) == ARRAY_CARDINALITY (Vallist) + 1)
-
-/* Return the index of the element of ARGLIST (NULL terminated) that
- matches with ARG. If VALLIST is not NULL, then use it to resolve
- false ambiguities (i.e., different matches of ARG but corresponding
- to the same values in VALLIST). */
-
-ptrdiff_t argmatch (char const *arg, char const *const *arglist,
- char const *vallist, size_t valsize);
-
-# define ARGMATCH(Arg, Arglist, Vallist) \
- argmatch (Arg, Arglist, (char const *) (Vallist), sizeof *(Vallist))
-
-/* xargmatch calls this function when it fails. This function should not
- return. By default, this is a function that calls ARGMATCH_DIE which
- in turn defaults to `exit (exit_failure)'. */
-typedef void (*argmatch_exit_fn) (void);
-extern argmatch_exit_fn argmatch_die;
-
-/* Report on stderr why argmatch failed. Report correct values. */
-
-void argmatch_invalid (char const *context, char const *value,
- ptrdiff_t problem);
-
-/* Left for compatibility with the old name invalid_arg */
-
-# define invalid_arg(Context, Value, Problem) \
- argmatch_invalid (Context, Value, Problem)
-
-
-
-/* Report on stderr the list of possible arguments. */
-
-void argmatch_valid (char const *const *arglist,
- char const *vallist, size_t valsize);
-
-# define ARGMATCH_VALID(Arglist, Vallist) \
- argmatch_valid (Arglist, (char const *) (Vallist), sizeof *(Vallist))
-
-
-
-/* Same as argmatch, but upon failure, reports a explanation on the
- failure, and exits using the function EXIT_FN. */
-
-ptrdiff_t __xargmatch_internal (char const *context,
- char const *arg, char const *const *arglist,
- char const *vallist, size_t valsize,
- argmatch_exit_fn exit_fn);
-
-/* Programmer friendly interface to __xargmatch_internal. */
-
-# define XARGMATCH(Context, Arg, Arglist, Vallist) \
- ((Vallist) [__xargmatch_internal (Context, Arg, Arglist, \
- (char const *) (Vallist), \
- sizeof *(Vallist), \
- argmatch_die)])
-
-/* Convert a value into a corresponding argument. */
-
-char const *argmatch_to_argument (char const *value,
- char const *const *arglist,
- char const *vallist, size_t valsize);
-
-# define ARGMATCH_TO_ARGUMENT(Value, Arglist, Vallist) \
- argmatch_to_argument (Value, Arglist, \
- (char const *) (Vallist), sizeof *(Vallist))
-
-#endif /* ARGMATCH_H_ */