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