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

   Copyright (C) 1999, 2001-2004, 2006, 2009-2025 Free Software Foundation,
   Inc.

   This file is free software: you can redistribute it and/or modify
   it under the terms of the GNU Lesser General Public License as
   published by the Free Software Foundation, either version 3 of the
   License, or (at your option) any later version.

   This file 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 Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser 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>

#ifdef UNSIGNED
# 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

#else

# 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

#ifdef UNSIGNED
# define Int uintmax_t
# define Strtoimax strtoumax
# define Strtol strtoul
# define Strtoll strtoull
# define Unsigned unsigned
#else
# 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)
{
  static_assert (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);

  return Strtol (ptr, endptr, base);
}
kc3-lang/gnulib/lib/strtoimax.c

Commit

lib/strtoimax.c
