1 /* A more useful interface to strtol.
2
3 Copyright (C) 1995-1996, 1998-1999, 2001-2004, 2006-2023 Free Software
4 Foundation, Inc.
5
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 3 of the License, or
9 (at your option) any later version.
10
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.
15
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <https://www.gnu.org/licenses/>. */
18
19 #ifndef XSTRTOL_H_
20 # define XSTRTOL_H_ 1
21
22 /* Get intmax_t, uintmax_t. */
23 # include <stdint.h>
24
25 # ifndef _STRTOL_ERROR
26 enum strtol_error
27 {
28 LONGINT_OK = 0,
29
30 /* These two values can be ORed together, to indicate that both
31 errors occurred. */
32 LONGINT_OVERFLOW = 1,
33 LONGINT_INVALID_SUFFIX_CHAR = 2,
34
35 LONGINT_INVALID_SUFFIX_CHAR_WITH_OVERFLOW = (LONGINT_INVALID_SUFFIX_CHAR
36 | LONGINT_OVERFLOW),
37 LONGINT_INVALID = 4
38 };
39 typedef enum strtol_error strtol_error;
40 # endif
41
42 # define _DECLARE_XSTRTOL(name, type) \
43 strtol_error name (const char *, char **, int, type *, const char *);
44 _DECLARE_XSTRTOL (xstrtol, long int)
45 _DECLARE_XSTRTOL (xstrtoul, unsigned long int)
46 _DECLARE_XSTRTOL (xstrtoll, long long int)
47 _DECLARE_XSTRTOL (xstrtoull, unsigned long long int)
48 _DECLARE_XSTRTOL (xstrtoimax, intmax_t)
49 _DECLARE_XSTRTOL (xstrtoumax, uintmax_t)
50
51 #endif /* not XSTRTOL_H_ */