/* Convert string representation of a number into an intmax_t value.

   Copyright (C) 1999, 2001-2004, 2006, 2009-2018 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 3 of the License, 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, see <https://www.gnu.org/licenses/>.  */

/* Written by Paul Eggert. */

#include <config.h>

/* Verify interface.  */

#include <inttypes.h>

#include <stdlib.h>

#include "verify.h"

#ifdef UNSIGNED

# if HAVE_UNSIGNED_LONG_LONG_INT

#  ifndef HAVE_DECL_STRTOULL

"this configure-time declaration test was not run"

#  endif

#  if !HAVE_DECL_STRTOULL

unsigned long long int strtoull (char const *, char **, int);

#  endif

# endif

#else

# if HAVE_LONG_LONG_INT

#  ifndef HAVE_DECL_STRTOLL

"this configure-time declaration test was not run"

#  endif

#  if !HAVE_DECL_STRTOLL

long long int strtoll (char const *, char **, int);

#  endif

# endif

#endif

#ifdef UNSIGNED

# define Have_long_long HAVE_UNSIGNED_LONG_LONG_INT

# define Int uintmax_t

# define Strtoimax strtoumax

# define Strtol strtoul

# define Strtoll strtoull

# define Unsigned unsigned

#else

# define Have_long_long HAVE_LONG_LONG_INT

# define Int intmax_t

# define Strtoimax strtoimax

# define Strtol strtol

# define Strtoll strtoll

# define Unsigned

#endif

Int

Strtoimax (char const *ptr, char **endptr, int base)

{

#if Have_long_long

  verify (sizeof (Int) == sizeof (Unsigned long int)

          || sizeof (Int) == sizeof (Unsigned long long int));

  if (sizeof (Int) != sizeof (Unsigned long int))

    return Strtoll (ptr, endptr, base);

#else

  verify (sizeof (Int) == sizeof (Unsigned long int));

#endif

  return Strtol (ptr, endptr, base);

}