/* argmatch.h -- definitions and prototypes for argmatch.c
Copyright (C) 1990, 1998, 1999, 2001, 2002, 2004, 2005, 2009, 2010 Free
Software Foundation, Inc.
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_
# include <stddef.h>
# include "verify.h"
/* Assert there are as many real arguments as there are values
(argument list ends with a NULL guard). */
/* 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). */
/* 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. */
/* Left for compatibility with the old name invalid_arg */
/* Report on stderr the list of possible arguments. */
void argmatch_valid (char const *const *arglist,
/* Same as argmatch, but upon failure, reports a explanation on the
failure, and exits using the function EXIT_FN. */
/* Programmer friendly interface to __xargmatch_internal. */
(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,
#endif /* ARGMATCH_H_ */