2 files changed, 67 insertions, 0 deletions

diff --git a/lib/Makefile.am b/lib/Makefile.am
index a4f9c7d8..35663b19 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -12,10 +12,12 @@ libcoreutils_a_SOURCES = \
   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
new file mode 100644
index 00000000..65280b15
--- /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)