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source: kBuild/vendor/grep/2.12/lib/xstrtol.h

Last change on this file was 2595, checked in by bird, 12 years ago

gnu grep version 2.12 (grep-2.12.tar.xz, md5sum=8d2f0346d08b13c18afb81f0e8aa1e2f)

  • Property svn:eol-style set to native
File size: 2.5 KB
Line 
1/* A more useful interface to strtol.
2
3 Copyright (C) 1995-1996, 1998-1999, 2001-2004, 2006-2012 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 <http://www.gnu.org/licenses/>. */
18
19#ifndef XSTRTOL_H_
20# define XSTRTOL_H_ 1
21
22# include <getopt.h>
23# include <inttypes.h>
24
25# ifndef _STRTOL_ERROR
26enum 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 };
39typedef 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 (xstrtoimax, intmax_t)
47_DECLARE_XSTRTOL (xstrtoumax, uintmax_t)
48
49#if HAVE_LONG_LONG_INT
50_DECLARE_XSTRTOL (xstrtoll, long long int)
51_DECLARE_XSTRTOL (xstrtoull, unsigned long long int)
52#endif
53
54/* Report an error for an invalid integer in an option argument.
55
56 ERR is the error code returned by one of the xstrto* functions.
57
58 Use OPT_IDX to decide whether to print the short option string "C"
59 or "-C" or a long option string derived from LONG_OPTION. OPT_IDX
60 is -2 if the short option "C" was used, without any leading "-"; it
61 is -1 if the short option "-C" was used; otherwise it is an index
62 into LONG_OPTIONS, which should have a name preceded by two '-'
63 characters.
64
65 ARG is the option-argument containing the integer.
66
67 After reporting an error, exit with a failure status. */
68
69void _Noreturn xstrtol_fatal (enum strtol_error,
70 int, char, struct option const *,
71 char const *);
72
73#endif /* not XSTRTOL_H_ */
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