X-Git-Url: http://sjero.net/git/?p=wget;a=blobdiff_plain;f=lib%2Fintprops.h;fp=lib%2Fintprops.h;h=0000000000000000000000000000000000000000;hp=002161ee57402c4ee89ca7a5da20d4bfbc7858ae;hb=9c23efbf57cbfe4ba0fbe833c6956bf567b5b00e;hpb=282798f52e2cde76eaeb1384d6fcbdc624c79611 diff --git a/lib/intprops.h b/lib/intprops.h deleted file mode 100644 index 002161ee..00000000 --- a/lib/intprops.h +++ /dev/null @@ -1,77 +0,0 @@ -/* 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 . */ - -/* Written by Paul Eggert. */ - -#include - -/* 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)