root/lib/xstrtol.h

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INCLUDED FROM


DEFINITIONS

This source file includes following definitions.
  1. _DECLARE_XSTRTOL

/* A more useful interface to strtol.

   Copyright (C) 1995, 1996, 1998, 1999, 2001, 2002, 2003, 2004, 2006
   Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software Foundation,
   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */

#ifndef XSTRTOL_H_
# define XSTRTOL_H_ 1

# include "exitfail.h"

# include <inttypes.h>

# include "gettext.h"

# ifndef _STRTOL_ERROR
enum strtol_error
  {
    LONGINT_OK = 0,

    /* These two values can be ORed together, to indicate that both
       errors occurred.  */
    LONGINT_OVERFLOW = 1,
    LONGINT_INVALID_SUFFIX_CHAR = 2,

    LONGINT_INVALID_SUFFIX_CHAR_WITH_OVERFLOW = (LONGINT_INVALID_SUFFIX_CHAR
                                                 | LONGINT_OVERFLOW),
    LONGINT_INVALID = 4
  };
typedef enum strtol_error strtol_error;
# endif

# define _DECLARE_XSTRTOL(name, type) \
  strtol_error name (const char *, char **, int, type *, const char *);
_DECLARE_XSTRTOL (xstrtol, long int)
_DECLARE_XSTRTOL (xstrtoul, unsigned long int)
_DECLARE_XSTRTOL (xstrtoimax, intmax_t)
_DECLARE_XSTRTOL (xstrtoumax, uintmax_t)

# define _STRTOL_ERROR(Exit_code, Str, Argument_type_string, Err)       \
  do                                                                    \
    {                                                                   \
      switch ((Err))                                                    \
        {                                                               \
        default:                                                        \
          abort ();                                                     \
                                                                        \
        case LONGINT_INVALID:                                           \
          error ((Exit_code), 0, gettext ("invalid %s `%s'"),           \
                 (Argument_type_string), (Str));                        \
          break;                                                        \
                                                                        \
        case LONGINT_INVALID_SUFFIX_CHAR:                               \
        case LONGINT_INVALID_SUFFIX_CHAR | LONGINT_OVERFLOW:            \
          error ((Exit_code), 0,                                        \
                 gettext ("invalid character following %s in `%s'"),    \
                 (Argument_type_string), (Str));                        \
          break;                                                        \
                                                                        \
        case LONGINT_OVERFLOW:                                          \
          error ((Exit_code), 0, gettext ("%s `%s' too large"),         \
                 (Argument_type_string), (Str));                        \
          break;                                                        \
        }                                                               \
    }                                                                   \
  while (0)

# define STRTOL_FATAL_ERROR(Str, Argument_type_string, Err)             \
  _STRTOL_ERROR (exit_failure, Str, Argument_type_string, Err)

# define STRTOL_FAIL_WARN(Str, Argument_type_string, Err)               \
  _STRTOL_ERROR (0, Str, Argument_type_string, Err)

#endif /* not XSTRTOL_H_ */

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