Tizen 2.0 Release
[external/tizen-coreutils.git] / lib / xstrtol.h
1 /* A more useful interface to strtol.
2
3    Copyright (C) 1995, 1996, 1998, 1999, 2001, 2002, 2003, 2004, 2006
4    Free Software 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 2, or (at your option)
9    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, write to the Free Software Foundation,
18    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
19
20 #ifndef XSTRTOL_H_
21 # define XSTRTOL_H_ 1
22
23 # include "exitfail.h"
24
25 # include <inttypes.h>
26
27 # include "gettext.h"
28
29 # ifndef _STRTOL_ERROR
30 enum strtol_error
31   {
32     LONGINT_OK = 0,
33
34     /* These two values can be ORed together, to indicate that both
35        errors occurred.  */
36     LONGINT_OVERFLOW = 1,
37     LONGINT_INVALID_SUFFIX_CHAR = 2,
38
39     LONGINT_INVALID_SUFFIX_CHAR_WITH_OVERFLOW = (LONGINT_INVALID_SUFFIX_CHAR
40                                                  | LONGINT_OVERFLOW),
41     LONGINT_INVALID = 4
42   };
43 typedef enum strtol_error strtol_error;
44 # endif
45
46 # define _DECLARE_XSTRTOL(name, type) \
47   strtol_error name (const char *, char **, int, type *, const char *);
48 _DECLARE_XSTRTOL (xstrtol, long int)
49 _DECLARE_XSTRTOL (xstrtoul, unsigned long int)
50 _DECLARE_XSTRTOL (xstrtoimax, intmax_t)
51 _DECLARE_XSTRTOL (xstrtoumax, uintmax_t)
52
53 # define _STRTOL_ERROR(Exit_code, Str, Argument_type_string, Err)       \
54   do                                                                    \
55     {                                                                   \
56       switch ((Err))                                                    \
57         {                                                               \
58         default:                                                        \
59           abort ();                                                     \
60                                                                         \
61         case LONGINT_INVALID:                                           \
62           error ((Exit_code), 0, gettext ("invalid %s `%s'"),           \
63                  (Argument_type_string), (Str));                        \
64           break;                                                        \
65                                                                         \
66         case LONGINT_INVALID_SUFFIX_CHAR:                               \
67         case LONGINT_INVALID_SUFFIX_CHAR | LONGINT_OVERFLOW:            \
68           error ((Exit_code), 0,                                        \
69                  gettext ("invalid character following %s in `%s'"),    \
70                  (Argument_type_string), (Str));                        \
71           break;                                                        \
72                                                                         \
73         case LONGINT_OVERFLOW:                                          \
74           error ((Exit_code), 0, gettext ("%s `%s' too large"),         \
75                  (Argument_type_string), (Str));                        \
76           break;                                                        \
77         }                                                               \
78     }                                                                   \
79   while (0)
80
81 # define STRTOL_FATAL_ERROR(Str, Argument_type_string, Err)             \
82   _STRTOL_ERROR (exit_failure, Str, Argument_type_string, Err)
83
84 # define STRTOL_FAIL_WARN(Str, Argument_type_string, Err)               \
85   _STRTOL_ERROR (0, Str, Argument_type_string, Err)
86
87 #endif /* not XSTRTOL_H_ */