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raw | patch | inline | side by side (parent: d523619)
author | Ton Voon <tonvoon@users.sourceforge.net> | |
Wed, 5 Jul 2006 08:26:48 +0000 (08:26 +0000) | ||
committer | Ton Voon <tonvoon@users.sourceforge.net> | |
Wed, 5 Jul 2006 08:26:48 +0000 (08:26 +0000) |
git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1441 f882894a-f735-0410-b71e-b25c423dba1c
lib/Makefile.am | patch | blob | history | |
lib/intprops.h | [new file with mode: 0644] | patch | blob |
diff --git a/lib/Makefile.am b/lib/Makefile.am
index a4f9c7d8d19f87b01e1494e21bdcf05320d4bdf3..35663b19eb9608cb96aa3a1c437fdadb3a6263f2 100644 (file)
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
safe-read.c safe-read.h \
safe-write.c safe-write.h strcase.h xalloc-die.c
+# intprops.h required for getloadavg.c
other_coreutils_files = \
error.c error.h \
fsusage.c \
getloadavg.c \
+ intprops.h \
malloc.c \
mountlist.c \
realloc.c \
diff --git a/lib/intprops.h b/lib/intprops.h
--- /dev/null
+++ b/lib/intprops.h
@@ -0,0 +1,65 @@
+/* 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 2, 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, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+/* 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))))
+
+/* 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 - 1) * 146 / 485 + 2)
+
+/* 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)