| 1 | /* A more useful interface to strtol.
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| 2 |
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| 3 | Copyright (C) 1995-1996, 1998-1999, 2001-2004, 2006-2012 Free Software
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| 4 | Foundation, Inc.
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| 5 |
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| 6 | This program is free software: you can redistribute it and/or modify
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| 7 | it under the terms of the GNU General Public License as published by
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| 8 | the Free Software Foundation; either version 3 of the License, or
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| 9 | (at your option) any later version.
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| 10 |
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| 11 | This program is distributed in the hope that it will be useful,
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | GNU General Public License for more details.
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| 15 |
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| 16 | You should have received a copy of the GNU General Public License
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| 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */
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| 18 |
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| 19 | #ifndef XSTRTOL_H_
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| 20 | # define XSTRTOL_H_ 1
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| 21 |
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| 22 | # include <getopt.h>
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| 23 | # include <inttypes.h>
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| 24 |
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| 25 | # ifndef _STRTOL_ERROR
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| 26 | enum strtol_error
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| 27 | {
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| 28 | LONGINT_OK = 0,
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| 29 |
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| 30 | /* These two values can be ORed together, to indicate that both
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| 31 | errors occurred. */
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| 32 | LONGINT_OVERFLOW = 1,
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| 33 | LONGINT_INVALID_SUFFIX_CHAR = 2,
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| 34 |
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| 35 | LONGINT_INVALID_SUFFIX_CHAR_WITH_OVERFLOW = (LONGINT_INVALID_SUFFIX_CHAR
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| 36 | | LONGINT_OVERFLOW),
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| 37 | LONGINT_INVALID = 4
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| 38 | };
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| 39 | typedef enum strtol_error strtol_error;
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| 40 | # endif
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| 41 |
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| 42 | # define _DECLARE_XSTRTOL(name, type) \
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| 43 | strtol_error name (const char *, char **, int, type *, const char *);
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| 44 | _DECLARE_XSTRTOL (xstrtol, long int)
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| 45 | _DECLARE_XSTRTOL (xstrtoul, unsigned long int)
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| 46 | _DECLARE_XSTRTOL (xstrtoimax, intmax_t)
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| 47 | _DECLARE_XSTRTOL (xstrtoumax, uintmax_t)
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| 48 |
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| 49 | #if HAVE_LONG_LONG_INT
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| 50 | _DECLARE_XSTRTOL (xstrtoll, long long int)
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| 51 | _DECLARE_XSTRTOL (xstrtoull, unsigned long long int)
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| 52 | #endif
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| 53 |
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| 54 | /* Report an error for an invalid integer in an option argument.
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| 55 |
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| 56 | ERR is the error code returned by one of the xstrto* functions.
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| 57 |
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| 58 | Use OPT_IDX to decide whether to print the short option string "C"
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| 59 | or "-C" or a long option string derived from LONG_OPTION. OPT_IDX
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| 60 | is -2 if the short option "C" was used, without any leading "-"; it
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| 61 | is -1 if the short option "-C" was used; otherwise it is an index
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| 62 | into LONG_OPTIONS, which should have a name preceded by two '-'
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| 63 | characters.
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| 64 |
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| 65 | ARG is the option-argument containing the integer.
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| 66 |
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| 67 | After reporting an error, exit with a failure status. */
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| 68 |
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| 69 | void _Noreturn xstrtol_fatal (enum strtol_error,
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| 70 | int, char, struct option const *,
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| 71 | char const *);
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| 72 |
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| 73 | #endif /* not XSTRTOL_H_ */
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