-/* Copyright (C) 1991, 92, 96, 97, 98, 99, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2017 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 Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ 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
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
/*
- * ISO C Standard: 4.14/2.2.4.2 Limits of integral types <limits.h>
+ * ISO C99 Standard: 7.10/5.2.4.2.1 Sizes of integer types <limits.h>
*/
#ifndef _LIBC_LIMITS_H_
#define _LIBC_LIMITS_H_ 1
-#include <features.h>
-
-#ifdef __USE_POSIX
-/* POSIX adds things to <limits.h>. */
-# include <bits/posix1_lim.h>
-#endif
-
-#ifdef __USE_POSIX2
-# include <bits/posix2_lim.h>
-#endif
-
-#ifdef __USE_XOPEN
-# include <bits/xopen_lim.h>
-#endif
+#define __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION
+#include <bits/libc-header-start.h>
/* Maximum length of any multibyte character in any locale.
# ifndef _LIMITS_H
# define _LIMITS_H 1
+#include <bits/wordsize.h>
+
/* We don't have #include_next.
Define ANSI <limits.h> for standard 32-bit words. */
# define UINT_MAX 4294967295U
/* Minimum and maximum values a `signed long int' can hold. */
-# ifdef __alpha__
+# if __WORDSIZE == 64
# define LONG_MAX 9223372036854775807L
# else
# define LONG_MAX 2147483647L
# define LONG_MIN (-LONG_MAX - 1L)
/* Maximum value an `unsigned long int' can hold. (Minimum is 0.) */
-# ifdef __alpha__
+# if __WORDSIZE == 64
# define ULONG_MAX 18446744073709551615UL
# else
# define ULONG_MAX 4294967295UL
/* `_GCC_LIMITS_H_' is what GCC's file defines. */
# include_next <limits.h>
#endif
+
+/* The <limits.h> files in some gcc versions don't define LLONG_MIN,
+ LLONG_MAX, and ULLONG_MAX. Instead only the values gcc defined for
+ ages are available. */
+#if defined __USE_ISOC99 && defined __GNUC__
+# ifndef LLONG_MIN
+# define LLONG_MIN (-LLONG_MAX-1)
+# endif
+# ifndef LLONG_MAX
+# define LLONG_MAX __LONG_LONG_MAX__
+# endif
+# ifndef ULLONG_MAX
+# define ULLONG_MAX (LLONG_MAX * 2ULL + 1)
+# endif
+#endif
+
+/* The integer width macros are not defined by GCC's <limits.h> before
+ GCC 7, or if _GNU_SOURCE rather than
+ __STDC_WANT_IEC_60559_BFP_EXT__ is used to enable this feature. */
+#if __GLIBC_USE (IEC_60559_BFP_EXT)
+# ifndef CHAR_WIDTH
+# define CHAR_WIDTH 8
+# endif
+# ifndef SCHAR_WIDTH
+# define SCHAR_WIDTH 8
+# endif
+# ifndef UCHAR_WIDTH
+# define UCHAR_WIDTH 8
+# endif
+# ifndef SHRT_WIDTH
+# define SHRT_WIDTH 16
+# endif
+# ifndef USHRT_WIDTH
+# define USHRT_WIDTH 16
+# endif
+# ifndef INT_WIDTH
+# define INT_WIDTH 32
+# endif
+# ifndef UINT_WIDTH
+# define UINT_WIDTH 32
+# endif
+# ifndef LONG_WIDTH
+# define LONG_WIDTH __WORDSIZE
+# endif
+# ifndef ULONG_WIDTH
+# define ULONG_WIDTH __WORDSIZE
+# endif
+# ifndef LLONG_WIDTH
+# define LLONG_WIDTH 64
+# endif
+# ifndef ULLONG_WIDTH
+# define ULLONG_WIDTH 64
+# endif
+#endif /* Use IEC_60559_BFP_EXT. */
+
+#ifdef __USE_POSIX
+/* POSIX adds things to <limits.h>. */
+# include <bits/posix1_lim.h>
+#endif
+
+#ifdef __USE_POSIX2
+# include <bits/posix2_lim.h>
+#endif
+
+#ifdef __USE_XOPEN
+# include <bits/xopen_lim.h>
+#endif