1 /* A more useful interface to strtol.
3 Copyright (C) 1995, 1996, 1998, 1999, 2001, 2002, 2003, 2004, 2006, 2007
4 Free Software Foundation, Inc.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software Foundation,
18 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
24 # include <inttypes.h>
26 # ifndef _STRTOL_ERROR
31 /* These two values can be ORed together, to indicate that both
34 LONGINT_INVALID_SUFFIX_CHAR = 2,
36 LONGINT_INVALID_SUFFIX_CHAR_WITH_OVERFLOW = (LONGINT_INVALID_SUFFIX_CHAR
40 typedef enum strtol_error strtol_error;
43 # define _DECLARE_XSTRTOL(name, type) \
44 strtol_error name (const char *, char **, int, type *, const char *);
45 _DECLARE_XSTRTOL (xstrtol, long int)
46 _DECLARE_XSTRTOL (xstrtoul, unsigned long int)
47 _DECLARE_XSTRTOL (xstrtoimax, intmax_t)
48 _DECLARE_XSTRTOL (xstrtoumax, uintmax_t)
51 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8) || __STRICT_ANSI__
52 # define __attribute__(x)
56 #ifndef ATTRIBUTE_NORETURN
57 # define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
60 /* Report an error for an invalid integer in an option argument.
62 ERR is the error code returned by one of the xstrto* functions.
64 Use OPT_IDX to decide whether to print the short option string "C"
65 or "-C" or a long option string derived from LONG_OPTION. OPT_IDX
66 is -2 if the short option "C" was used, without any leading "-"; it
67 is -1 if the short option "-C" was used; otherwise it is an index
68 into LONG_OPTIONS, which should have a name preceded by two '-'
71 ARG is the option-argument containing the integer.
73 After reporting an error, exit with a failure status. */
75 void xstrtol_fatal (enum strtol_error,
76 int, char, struct option const *,
77 char const *) ATTRIBUTE_NORETURN;
79 #endif /* not XSTRTOL_H_ */