From 31e3634a05237bc5216ebbfd71053479d8e9d69b Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Sat, 18 Nov 2000 04:40:18 +0000
Subject: [PATCH] Suppress 'comparison-is-always-true' warning on machines
 where char is signed by default.

---
 src/backend/utils/adt/ruleutils.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 3cd543b5e6..99818c324a 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -3,7 +3,7 @@
  *				back to source text
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.69 2000/11/16 22:30:31 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.70 2000/11/18 04:40:18 tgl Exp $
  *
  *	  This software is copyrighted by Jan Wieck - Hamburg.
  *
@@ -1841,7 +1841,7 @@ get_const_expr(Const *constval, deparse_context *context)
 					appendStringInfoChar(buf, '\\');
 					appendStringInfoChar(buf, ch);
 				}
-				else if (ch >= 0 && ch < ' ')
+				else if (((unsigned char) ch) < ((unsigned char) ' '))
 					appendStringInfo(buf, "\\%03o", (int) ch);
 				else
 					appendStringInfoChar(buf, ch);