1
/* -*- buffer-read-only: t -*- vi: set ro: */
2
/* DO NOT EDIT! GENERATED AUTOMATICALLY! */
3
/* intprops.h -- properties of integer types
5
Copyright (C) 2001, 2002, 2003, 2004, 2005, 2009, 2010 Free Software
8
This program is free software: you can redistribute it and/or modify
9
it under the terms of the GNU Lesser General Public License as published by
10
the Free Software Foundation; either version 2.1 of the License, or
11
(at your option) any later version.
13
This program is distributed in the hope that it will be useful,
14
but WITHOUT ANY WARRANTY; without even the implied warranty of
15
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16
GNU Lesser General Public License for more details.
18
You should have received a copy of the GNU Lesser General Public License
19
along with this program. If not, see <http://www.gnu.org/licenses/>. */
21
/* Written by Paul Eggert. */
24
# define GL_INTPROPS_H
28
/* The extra casts in the following macros work around compiler bugs,
29
e.g., in Cray C 5.0.3.0. */
31
/* True if the arithmetic type T is an integer type. bool counts as
33
# define TYPE_IS_INTEGER(t) ((t) 1.5 == 1)
35
/* True if negative values of the signed integer type T use two's
36
complement, ones' complement, or signed magnitude representation,
37
respectively. Much GNU code assumes two's complement, but some
38
people like to be portable to all possible C hosts. */
39
# define TYPE_TWOS_COMPLEMENT(t) ((t) ~ (t) 0 == (t) -1)
40
# define TYPE_ONES_COMPLEMENT(t) ((t) ~ (t) 0 == 0)
41
# define TYPE_SIGNED_MAGNITUDE(t) ((t) ~ (t) 0 < (t) -1)
43
/* True if the arithmetic type T is signed. */
44
# define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
46
/* The maximum and minimum values for the integer type T. These
47
macros have undefined behavior if T is signed and has padding bits.
48
If this is a problem for you, please let us know how to fix it for
50
# define TYPE_MINIMUM(t) \
51
((t) (! TYPE_SIGNED (t) \
53
: TYPE_SIGNED_MAGNITUDE (t) \
55
: ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1)))
56
# define TYPE_MAXIMUM(t) \
57
((t) (! TYPE_SIGNED (t) \
59
: ~ (~ (t) 0 << (sizeof (t) * CHAR_BIT - 1))))
61
/* Return zero if T can be determined to be an unsigned type.
63
When compiling with GCC, INT_STRLEN_BOUND uses this macro to obtain a
64
tighter bound. Otherwise, it overestimates the true bound by one byte
65
when applied to unsigned types of size 2, 4, 16, ... bytes.
66
The symbol signed_type_or_expr__ is private to this header file. */
68
# define signed_type_or_expr__(t) TYPE_SIGNED (__typeof__ (t))
70
# define signed_type_or_expr__(t) 1
73
/* Bound on length of the string representing an integer type or expression T.
74
Subtract 1 for the sign bit if T is signed; log10 (2.0) < 146/485;
75
add 1 for integer division truncation; add 1 more for a minus sign
77
# define INT_STRLEN_BOUND(t) \
78
((sizeof (t) * CHAR_BIT - signed_type_or_expr__ (t)) * 146 / 485 \
79
+ signed_type_or_expr__ (t) + 1)
81
/* Bound on buffer size needed to represent an integer type or expression T,
82
including the terminating null. */
83
# define INT_BUFSIZE_BOUND(t) (INT_STRLEN_BOUND (t) + 1)
85
#endif /* GL_INTPROPS_H */
added
removed
.pc/9031-CVE-2011-2511.patch/gnulib/lib/intprops.h
