File: strtol.c

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/* Convert string representation of a number into an integer value.
   Copyright (C) 1991,92,94,95,96,97,98,99,2000,2001,2002,2003,2004,2007
   	Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library 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 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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 the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <stdlib.h>
#include <wchar.h>
#include <locale/localeinfo.h>

#ifndef UNSIGNED
# define UNSIGNED 0
# define INT LONG int
#else
# define INT unsigned LONG int
#endif

#if UNSIGNED
# ifdef USE_WIDE_CHAR
#  ifdef QUAD
#   define strtol wcstoull
#   define __strtol_l __wcstoull_l
#  else
#   define strtol wcstoul
#   define __strtol_l __wcstoul_l
#  endif
# else
#  ifdef QUAD
#   define strtol strtoull
#   define __strtol_l __strtoull_l
#  else
#   define strtol strtoul
#   define __strtol_l __strtoul_l
#  endif
# endif
#else
# ifdef USE_WIDE_CHAR
#  ifdef QUAD
#   define strtol wcstoll
#   define __strtol_l __wcstoll_l
#  else
#   define strtol wcstol
#   define __strtol_l __wcstol_l
#  endif
# else
#  ifdef QUAD
#   define strtol strtoll
#   define __strtol_l __strtoll_l
#  endif
# endif
#endif


/* If QUAD is defined, we are defining `strtoll' or `strtoull',
   operating on `long long int's.  */
#ifdef QUAD
# define LONG long long
#else
# define LONG long
#endif


#ifdef USE_WIDE_CHAR
# define STRING_TYPE wchar_t
#else
# define STRING_TYPE char
#endif


#define INTERNAL(X) INTERNAL1(X)
#define INTERNAL1(X) __##X##_internal


extern INT INTERNAL (__strtol_l) (const STRING_TYPE *, STRING_TYPE **, int,
				  int, __locale_t);


INT
INTERNAL (strtol) (nptr, endptr, base, group)
     const STRING_TYPE *nptr;
     STRING_TYPE **endptr;
     int base;
     int group;
{
  return INTERNAL (__strtol_l) (nptr, endptr, base, group, _NL_CURRENT_LOCALE);
}
libc_hidden_def (INTERNAL (strtol))


INT
strtol (nptr, endptr, base)
     const STRING_TYPE *nptr;
     STRING_TYPE **endptr;
     int base;
{
  return INTERNAL (__strtol_l) (nptr, endptr, base, 0, _NL_CURRENT_LOCALE);
}
libc_hidden_def (strtol)