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/* A more useful interface to strtol.
Copyright (C) 1995, 1996, 1998, 1999, 2001, 2002, 2003, 2004, 2006, 2007,
2008 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/>. */
#ifndef XSTRTOL_H_
# define XSTRTOL_H_ 1
# include <getopt.h>
# include <inttypes.h>
# ifndef _STRTOL_ERROR
enum strtol_error
{
LONGINT_OK = 0,
/* These two values can be ORed together, to indicate that both
errors occurred. */
LONGINT_OVERFLOW = 1,
LONGINT_INVALID_SUFFIX_CHAR = 2,
LONGINT_INVALID_SUFFIX_CHAR_WITH_OVERFLOW = (LONGINT_INVALID_SUFFIX_CHAR
| LONGINT_OVERFLOW),
LONGINT_INVALID = 4
};
typedef enum strtol_error strtol_error;
# endif
# define _DECLARE_XSTRTOL(name, type) \
strtol_error name (const char *, char **, int, type *, const char *);
_DECLARE_XSTRTOL (xstrtol, long int)
_DECLARE_XSTRTOL (xstrtoul, unsigned long int)
_DECLARE_XSTRTOL (xstrtoimax, intmax_t)
_DECLARE_XSTRTOL (xstrtoumax, uintmax_t)
#ifndef __attribute__
# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8)
# define __attribute__(x)
# endif
#endif
#ifndef ATTRIBUTE_NORETURN
# define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
#endif
/* Report an error for an invalid integer in an option argument.
ERR is the error code returned by one of the xstrto* functions.
Use OPT_IDX to decide whether to print the short option string "C"
or "-C" or a long option string derived from LONG_OPTION. OPT_IDX
is -2 if the short option "C" was used, without any leading "-"; it
is -1 if the short option "-C" was used; otherwise it is an index
into LONG_OPTIONS, which should have a name preceded by two '-'
characters.
ARG is the option-argument containing the integer.
After reporting an error, exit with a failure status. */
void xstrtol_fatal (enum strtol_error,
int, char, struct option const *,
char const *) ATTRIBUTE_NORETURN;
#endif /* not XSTRTOL_H_ */
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