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CVS shishi/gl
From: |
shishi-commit |
Subject: |
CVS shishi/gl |
Date: |
Mon, 21 Mar 2005 23:11:17 +0100 |
Update of /home/cvs/shishi/gl
In directory dopio:/tmp/cvs-serv2452/gl
Modified Files:
mktime.c strndup.c
Log Message:
Fix.
--- /home/cvs/shishi/gl/mktime.c 2005/03/14 14:32:14 1.8
+++ /home/cvs/shishi/gl/mktime.c 2005/03/21 22:11:17 1.9
@@ -68,21 +68,31 @@
an integer. */
#define TYPE_IS_INTEGER(t) ((t) 1.5 == 1)
-/* True if negative values of the integer type T use twos complement
- representation. */
-#define TYPE_TWOS_COMPLEMENT(t) ((t) - (t) 1 == (t) ((t) ~ (t) 1 + (t) 1))
+/* True if negative values of the signed integer type T use twos
+ complement, ones complement, or signed magnitude representation,
+ respectively. Much GNU code assumes twos 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
- (i.e., bits that do not contribute to the value), or if T uses
- signed-magnitude representation. 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 << (sizeof (t) * CHAR_BIT - 1) : (t) 0))
-#define TYPE_MAXIMUM(t) ((t) (~ (t) 0 - TYPE_MINIMUM (t)))
+ 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))))
#ifndef TIME_T_MIN
# define TIME_T_MIN TYPE_MINIMUM (time_t)
--- /home/cvs/shishi/gl/strndup.c 2003/09/14 21:10:11 1.2
+++ /home/cvs/shishi/gl/strndup.c 2005/03/21 22:11:17 1.3
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996, 1997, 1998, 2000, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1997, 1998, 2000, 2003, 2005 Free Software Foundation,
Inc.
NOTE: The canonical source of this file is maintained with the GNU C
Library.
Bugs can be reported to address@hidden
@@ -24,12 +24,8 @@
#include <stdlib.h>
#include <string.h>
-#ifndef HAVE_DECL_STRNLEN
-"this configure-time declaration test was not run"
-#endif
-#if !HAVE_DECL_STRNLEN
-size_t strnlen ();
-#endif
+/* Get strnlen. */
+#include "strnlen.h"
#undef __strndup
#undef strndup