From 12cbeae3903a7d4787a03f55c6591f86e7b06164 Mon Sep 17 00:00:00 2001
From: Arthur David Olson <ado@elsie>
Date: Sun, 30 May 1993 16:25:00 -0400
Subject: [PATCH] INT_STRLEN_MAXIMUM work

SCCS-file: private.h
SCCS-SID: 7.4
---
 private.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/private.h b/private.h
index 2b8a99c..cd8ea1a 100644
--- a/private.h
+++ b/private.h
@@ -162,7 +162,14 @@ extern void		free P((char * buf));
 #endif /* !defined FALSE */
 
 #ifndef INT_STRLEN_MAXIMUM
-#define INT_STRLEN_MAXIMUM	(1 + (sizeof (int) * CHAR_BIT + 1) / 3)
+/*
+** 302 / 1000 is log10(2.0) rounded up.
+** Subtract one for the sign bit;
+** add one for integer division truncation;
+** add one more for a minus sign.
+*/
+#define INT_STRLEN_MAXIMUM(type) \
+	((sizeof(type) * CHAR_BIT - 1) * 302 / 1000 + 2)
 #endif /* !defined INT_STRLEN_MAXIMUM */
 
 /*