1/*	$NetBSD: xstrtol.h,v 1.1.1.1 2016/01/13 03:15:30 christos Exp $	*/
2
3/* A more useful interface to strtol.
4   Copyright 1995, 1996, 1998, 1999, 2001 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
19
20#ifndef XSTRTOL_H_
21# define XSTRTOL_H_ 1
22
23# if HAVE_INTTYPES_H
24#  include <inttypes.h> /* for uintmax_t */
25# endif
26
27# ifndef PARAMS
28#  if defined PROTOTYPES || (defined __STDC__ && __STDC__)
29#   define PARAMS(Args) Args
30#  else
31#   define PARAMS(Args) ()
32#  endif
33# endif
34
35# ifndef _STRTOL_ERROR
36enum strtol_error
37  {
38    LONGINT_OK, LONGINT_INVALID, LONGINT_INVALID_SUFFIX_CHAR, LONGINT_OVERFLOW
39  };
40typedef enum strtol_error strtol_error;
41# endif
42
43# define _DECLARE_XSTRTOL(name, type) \
44  strtol_error \
45    name PARAMS ((const char *s, char **ptr, int base, \
46		  type *val, const char *valid_suffixes));
47_DECLARE_XSTRTOL (xstrtol, long int)
48_DECLARE_XSTRTOL (xstrtoul, unsigned long int)
49_DECLARE_XSTRTOL (xstrtoimax, intmax_t)
50_DECLARE_XSTRTOL (xstrtoumax, uintmax_t)
51
52# define _STRTOL_ERROR(Exit_code, Str, Argument_type_string, Err)	\
53  do									\
54    {									\
55      switch ((Err))							\
56	{								\
57	case LONGINT_OK:						\
58	  abort ();							\
59									\
60	case LONGINT_INVALID:						\
61	  error ((Exit_code), 0, "invalid %s `%s'",			\
62		 (Argument_type_string), (Str));			\
63	  break;							\
64									\
65	case LONGINT_INVALID_SUFFIX_CHAR:				\
66	  error ((Exit_code), 0, "invalid character following %s in `%s'", \
67		 (Argument_type_string), (Str));			\
68	  break;							\
69									\
70	case LONGINT_OVERFLOW:						\
71	  error ((Exit_code), 0, "%s `%s' too large",			\
72		 (Argument_type_string), (Str));			\
73	  break;							\
74	}								\
75    }									\
76  while (0)
77
78# define STRTOL_FATAL_ERROR(Str, Argument_type_string, Err)		\
79  _STRTOL_ERROR (2, Str, Argument_type_string, Err)
80
81# define STRTOL_FAIL_WARN(Str, Argument_type_string, Err)		\
82  _STRTOL_ERROR (0, Str, Argument_type_string, Err)
83
84#endif /* not XSTRTOL_H_ */
85