92 lines
2.7 KiB
C
92 lines
2.7 KiB
C
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/* A more useful interface to strtol.
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Copyright (C) 1995, 1996, 1998, 1999, 2001, 2002, 2003, 2004 Free
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Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef XSTRTOL_H_
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# define XSTRTOL_H_ 1
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# include "exitfail.h"
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/* Get uintmax_t. */
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# if HAVE_INTTYPES_H
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# include <inttypes.h>
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# else
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# if HAVE_STDINT_H
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# include <stdint.h>
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# endif
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# endif
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# ifndef _STRTOL_ERROR
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enum strtol_error
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{
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LONGINT_OK = 0,
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/* These two values can be ORed together, to indicate that both
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errors occurred. */
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LONGINT_OVERFLOW = 1,
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LONGINT_INVALID_SUFFIX_CHAR = 2,
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LONGINT_INVALID_SUFFIX_CHAR_WITH_OVERFLOW = (LONGINT_INVALID_SUFFIX_CHAR
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| LONGINT_OVERFLOW),
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LONGINT_INVALID = 4
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};
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typedef enum strtol_error strtol_error;
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# endif
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# define _DECLARE_XSTRTOL(name, type) \
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strtol_error name (const char *, char **, int, type *, const char *);
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_DECLARE_XSTRTOL (xstrtol, long int)
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_DECLARE_XSTRTOL (xstrtoul, unsigned long int)
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_DECLARE_XSTRTOL (xstrtoimax, intmax_t)
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_DECLARE_XSTRTOL (xstrtoumax, uintmax_t)
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# define _STRTOL_ERROR(Exit_code, Str, Argument_type_string, Err) \
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do \
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{ \
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switch ((Err)) \
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{ \
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default: \
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abort (); \
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\
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case LONGINT_INVALID: \
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error ((Exit_code), 0, "invalid %s `%s'", \
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(Argument_type_string), (Str)); \
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break; \
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\
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case LONGINT_INVALID_SUFFIX_CHAR: \
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case LONGINT_INVALID_SUFFIX_CHAR | LONGINT_OVERFLOW: \
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error ((Exit_code), 0, "invalid character following %s in `%s'", \
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(Argument_type_string), (Str)); \
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break; \
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\
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case LONGINT_OVERFLOW: \
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error ((Exit_code), 0, "%s `%s' too large", \
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(Argument_type_string), (Str)); \
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break; \
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} \
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} \
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while (0)
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# define STRTOL_FATAL_ERROR(Str, Argument_type_string, Err) \
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_STRTOL_ERROR (exit_failure, Str, Argument_type_string, Err)
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# define STRTOL_FAIL_WARN(Str, Argument_type_string, Err) \
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_STRTOL_ERROR (0, Str, Argument_type_string, Err)
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#endif /* not XSTRTOL_H_ */
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