From f479379ec6c2d27cae95bf9abe2ffb20f410550b Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Sun, 11 Dec 1994 23:16:11 +0000
Subject: [REG_UNSET_VALUE]: Define to the address of a static variable rather
 than to ((char *) -1).  The latter got a warning on IRIX64.

---
 src/regex.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/regex.c')

diff --git a/src/regex.c b/src/regex.c
index fe527dd2294..2d291b323e1 100644
--- a/src/regex.c
+++ b/src/regex.c
@@ -1251,7 +1251,8 @@ typedef union
 
 
 /* Registers are set to a sentinel when they haven't yet matched.  */
-#define REG_UNSET_VALUE ((char *) -1)
+static char reg_unset_dummy;
+#define REG_UNSET_VALUE (&reg_unset_dummy)
 #define REG_UNSET(e) ((e) == REG_UNSET_VALUE)
 
 
-- 
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