X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fparse-datetime.m4;fp=m4%2Fparse-datetime.m4;h=e665ef37042c66a2cda7478a6b6b80b0e0038fd6;hb=ee9e39c014e2880179c91960ce1f69309d0c1500;hp=2341de95051f15c0bb2465e82b457cb4bd81f9f3;hpb=56887e878833f53c8ca55371c0e4be66388e157b;p=gnulib.git

diff --git a/m4/parse-datetime.m4 b/m4/parse-datetime.m4
index 2341de950..e665ef370 100644
--- a/m4/parse-datetime.m4
+++ b/m4/parse-datetime.m4
@@ -1,4 +1,4 @@
-# parse-datetime.m4 serial 18
+# parse-datetime.m4 serial 19
 dnl Copyright (C) 2002-2006, 2008-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -41,9 +41,11 @@ AC_DEFUN([gl_PARSE_DATETIME],
 #include <time.h> /* for time_t */
 #include <limits.h> /* for CHAR_BIT, LONG_MIN, LONG_MAX */
 #define TYPE_MINIMUM(t) \
-  ((t) ((t) 0 < (t) -1 ? (t) 0 : ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1)))
+  ((t) ((t) 0 < (t) -1 ? (t) 0 : ~ TYPE_MAXIMUM (t)))
 #define TYPE_MAXIMUM(t) \
-  ((t) ((t) 0 < (t) -1 ? (t) -1 : ~ (~ (t) 0 << (sizeof (t) * CHAR_BIT - 1))))
+  ((t) ((t) 0 < (t) -1 \
+        ? (t) -1 \
+        : ((((t) 1 << (sizeof (t) * CHAR_BIT - 2)) - 1) * 2 + 1)))
 typedef int verify_min[2 * (LONG_MIN <= TYPE_MINIMUM (time_t)) - 1];
 typedef int verify_max[2 * (TYPE_MAXIMUM (time_t) <= LONG_MAX) - 1];
        ]])],