| 1 | /* A more useful interface to strtol.
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| 2 | Copyright (C) 1995, 1996, 1998-2001 Free Software Foundation, Inc.
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| 3 |
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| 4 | This program is free software; you can redistribute it and/or modify
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| 5 | it under the terms of the GNU General Public License as published by
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| 6 | the Free Software Foundation; either version 2, or (at your option)
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| 7 | any later version.
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| 8 |
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| 9 | This program is distributed in the hope that it will be useful,
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 12 | GNU General Public License for more details.
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| 13 |
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| 14 | You should have received a copy of the GNU General Public License
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| 15 | along with this program; if not, write to the Free Software Foundation,
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| 16 | Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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| 17 |
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| 18 | /* Written by Jim Meyering. */
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| 19 |
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| 20 | #if HAVE_CONFIG_H
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| 21 | # include <config.h>
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| 22 | #endif
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| 23 |
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| 24 | #ifndef __strtol
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| 25 | # define __strtol strtol
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| 26 | # define __strtol_t long int
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| 27 | # define __xstrtol xstrtol
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| 28 | #endif
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| 29 |
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| 30 | /* Some pre-ANSI implementations (e.g. SunOS 4)
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| 31 | need stderr defined if assertion checking is enabled. */
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| 32 | #include <stdio.h>
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| 33 |
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| 34 | #if STDC_HEADERS
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| 35 | # include <stdlib.h>
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| 36 | #endif
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| 37 |
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| 38 | #if HAVE_STRING_H
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| 39 | # include <string.h>
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| 40 | #else
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| 41 | # include <strings.h>
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| 42 | # ifndef strchr
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| 43 | # define strchr index
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| 44 | # endif
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| 45 | #endif
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| 46 |
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| 47 | #include <assert.h>
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| 48 | #include <ctype.h>
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| 49 |
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| 50 | #include <errno.h>
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| 51 | #ifndef errno
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| 52 | extern int errno;
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| 53 | #endif
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| 54 |
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| 55 | #if HAVE_LIMITS_H
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| 56 | # include <limits.h>
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| 57 | #endif
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| 58 |
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| 59 | #ifndef CHAR_BIT
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| 60 | # define CHAR_BIT 8
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| 61 | #endif
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| 62 |
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| 63 | /* The extra casts work around common compiler bugs. */
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| 64 | #define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
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| 65 | /* The outer cast is needed to work around a bug in Cray C 5.0.3.0.
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| 66 | It is necessary at least when t == time_t. */
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| 67 | #define TYPE_MINIMUM(t) ((t) (TYPE_SIGNED (t) \
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| 68 | ? ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1) : (t) 0))
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| 69 | #define TYPE_MAXIMUM(t) (~ (t) 0 - TYPE_MINIMUM (t))
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| 70 |
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| 71 | #if defined (STDC_HEADERS) || (!defined (isascii) && !defined (HAVE_ISASCII))
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| 72 | # define IN_CTYPE_DOMAIN(c) 1
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| 73 | #else
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| 74 | # define IN_CTYPE_DOMAIN(c) isascii(c)
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| 75 | #endif
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| 76 |
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| 77 | #define ISSPACE(c) (IN_CTYPE_DOMAIN (c) && isspace (c))
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