| /* A more useful interface to strtol. |
| |
| Copyright (C) 1995-1996, 1998-1999, 2001-2004, 2006-2011 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) |
| |
| #if HAVE_LONG_LONG_INT |
| _DECLARE_XSTRTOL (xstrtoll, long long int) |
| _DECLARE_XSTRTOL (xstrtoull, unsigned long long int) |
| #endif |
| |
| #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8) |
| # define _GL_ATTRIBUTE_NORETURN __attribute__ ((__noreturn__)) |
| #else |
| # define _GL_ATTRIBUTE_NORETURN /* empty */ |
| #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 *) _GL_ATTRIBUTE_NORETURN; |
| |
| #endif /* not XSTRTOL_H_ */ |