| 1 | /* A more useful interface to strtol.
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| 2 |
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| 3 | Copyright (C) 1995, 1996, 1998, 1999, 2001, 2002, 2003, 2004, 2006
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| 4 | Free Software Foundation, Inc.
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| 5 |
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| 6 | This program is free software; you can redistribute it and/or modify
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| 7 | it under the terms of the GNU General Public License as published by
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| 8 | the Free Software Foundation; either version 2, or (at your option)
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| 9 | any later version.
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| 10 |
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| 11 | This program is distributed in the hope that it will be useful,
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | GNU General Public License for more details.
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| 15 |
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| 16 | You should have received a copy of the GNU General Public License
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| 17 | along with this program; if not, write to the Free Software Foundation,
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| 18 | Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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| 19 |
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| 20 | #ifndef XSTRTOL_H_
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| 21 | # define XSTRTOL_H_ 1
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| 22 |
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| 23 | # include "exitfail.h"
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| 24 |
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| 25 | # include <inttypes.h>
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| 26 |
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| 27 | # include "gettext.h"
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| 28 |
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| 29 | # ifndef _STRTOL_ERROR
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| 30 | enum strtol_error
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| 31 | {
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| 32 | LONGINT_OK = 0,
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| 33 |
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| 34 | /* These two values can be ORed together, to indicate that both
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| 35 | errors occurred. */
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| 36 | LONGINT_OVERFLOW = 1,
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| 37 | LONGINT_INVALID_SUFFIX_CHAR = 2,
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| 38 |
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| 39 | LONGINT_INVALID_SUFFIX_CHAR_WITH_OVERFLOW = (LONGINT_INVALID_SUFFIX_CHAR
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| 40 | | LONGINT_OVERFLOW),
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| 41 | LONGINT_INVALID = 4
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| 42 | };
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| 43 | typedef enum strtol_error strtol_error;
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| 44 | # endif
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| 45 |
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| 46 | # define _DECLARE_XSTRTOL(name, type) \
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| 47 | strtol_error name (const char *, char **, int, type *, const char *);
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| 48 | _DECLARE_XSTRTOL (xstrtol, long int)
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| 49 | _DECLARE_XSTRTOL (xstrtoul, unsigned long int)
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| 50 | _DECLARE_XSTRTOL (xstrtoimax, intmax_t)
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| 51 | _DECLARE_XSTRTOL (xstrtoumax, uintmax_t)
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| 52 |
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| 53 | # define _STRTOL_ERROR(Exit_code, Str, Argument_type_string, Err) \
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| 54 | do \
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| 55 | { \
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| 56 | switch ((Err)) \
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| 57 | { \
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| 58 | default: \
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| 59 | abort (); \
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| 60 | \
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| 61 | case LONGINT_INVALID: \
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| 62 | error ((Exit_code), 0, gettext ("invalid %s `%s'"), \
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| 63 | (Argument_type_string), (Str)); \
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| 64 | break; \
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| 65 | \
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| 66 | case LONGINT_INVALID_SUFFIX_CHAR: \
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| 67 | case LONGINT_INVALID_SUFFIX_CHAR | LONGINT_OVERFLOW: \
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| 68 | error ((Exit_code), 0, \
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| 69 | gettext ("invalid character following %s in `%s'"), \
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| 70 | (Argument_type_string), (Str)); \
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| 71 | break; \
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| 72 | \
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| 73 | case LONGINT_OVERFLOW: \
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| 74 | error ((Exit_code), 0, gettext ("%s `%s' too large"), \
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| 75 | (Argument_type_string), (Str)); \
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| 76 | break; \
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| 77 | } \
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| 78 | } \
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| 79 | while (0)
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| 80 |
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| 81 | # define STRTOL_FATAL_ERROR(Str, Argument_type_string, Err) \
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| 82 | _STRTOL_ERROR (exit_failure, Str, Argument_type_string, Err)
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| 83 |
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| 84 | # define STRTOL_FAIL_WARN(Str, Argument_type_string, Err) \
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| 85 | _STRTOL_ERROR (0, Str, Argument_type_string, Err)
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| 86 |
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| 87 | #endif /* not XSTRTOL_H_ */
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