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[wget] / lib / intprops.h

diff --git a/lib/intprops.h b/lib/intprops.h
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-/* intprops.h -- properties of integer types
-
-   Copyright (C) 2001, 2002, 2003, 2004, 2005 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 <http://www.gnu.org/licenses/>.  */
-
-/* Written by Paul Eggert.  */
-
-#include <limits.h>
-
-/* The extra casts in the following macros work around compiler bugs,
-   e.g., in Cray C 5.0.3.0.  */
-
-/* True if the arithmetic type T is an integer type.  bool counts as
-   an integer.  */
-#define TYPE_IS_INTEGER(t) ((t) 1.5 == 1)
-
-/* True if negative values of the signed integer type T use two's
-   complement, ones' complement, or signed magnitude representation,
-   respectively.  Much GNU code assumes two's complement, but some
-   people like to be portable to all possible C hosts.  */
-#define TYPE_TWOS_COMPLEMENT(t) ((t) ~ (t) 0 == (t) -1)
-#define TYPE_ONES_COMPLEMENT(t) ((t) ~ (t) 0 == 0)
-#define TYPE_SIGNED_MAGNITUDE(t) ((t) ~ (t) 0 < (t) -1)
-
-/* True if the arithmetic type T is signed.  */
-#define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
-
-/* The maximum and minimum values for the integer type T.  These
-   macros have undefined behavior if T is signed and has padding bits.
-   If this is a problem for you, please let us know how to fix it for
-   your host.  */
-#define TYPE_MINIMUM(t) \
-  ((t) (! TYPE_SIGNED (t) \
-       ? (t) 0 \
-       : TYPE_SIGNED_MAGNITUDE (t) \
-       ? ~ (t) 0 \
-       : ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1)))
-#define TYPE_MAXIMUM(t) \
-  ((t) (! TYPE_SIGNED (t) \
-       ? (t) -1 \
-       : ~ (~ (t) 0 << (sizeof (t) * CHAR_BIT - 1))))
-
-/* Return zero if T can be determined to be an unsigned type.
-   Otherwise, return 1.
-   When compiling with GCC, INT_STRLEN_BOUND uses this macro to obtain a
-   tighter bound.  Otherwise, it overestimates the true bound by one byte
-   when applied to unsigned types of size 2, 4, 16, ... bytes.
-   The symbol signed_type_or_expr__ is private to this header file.  */
-#if __GNUC__ >= 2
-# define signed_type_or_expr__(t) TYPE_SIGNED (__typeof__ (t))
-#else
-# define signed_type_or_expr__(t) 1
-#endif
-
-/* Bound on length of the string representing an integer type or expression T.
-   Subtract 1 for the sign bit if T is signed; log10 (2.0) < 146/485;
-   add 1 for integer division truncation; add 1 more for a minus sign
-   if needed.  */
-#define INT_STRLEN_BOUND(t) \
-  ((sizeof (t) * CHAR_BIT - signed_type_or_expr__ (t)) * 146 / 485 \
-   + signed_type_or_expr__ (t) + 1)
-
-/* Bound on buffer size needed to represent an integer type or expression T,
-   including the terminating null.  */
-#define INT_BUFSIZE_BOUND(t) (INT_STRLEN_BOUND (t) + 1)