From f8a84f9b465ec20a74bcc0cb80a5ec811254e629 Mon Sep 17 00:00:00 2001
From: tg <tg@mirbsd.org>
Date: Sun, 20 Sep 2009 13:33:48 +0000
Subject: [PATCH] optimise

---
 shf.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/shf.c b/shf.c
index 4daba84..dee58e9 100644
--- a/shf.c
+++ b/shf.c
@@ -22,7 +22,7 @@
 
 #include "sh.h"
 
-__RCSID("$MirOS: src/bin/mksh/shf.c,v 1.32 2009/09/20 13:08:12 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/shf.c,v 1.33 2009/09/20 13:33:48 tg Exp $");
 
 /* flags to shf_emptybuf() */
 #define EB_READSW	0x01	/* about to switch to reading */
@@ -838,7 +838,7 @@ shf_vfprintf(struct shf *shf, const char *fmt, va_list args)
 
 		if (c >= 'A' && c <= 'Z') {
 			flags |= FL_UPPER;
-			c = c - 'A' + 'a';
+			c = ksh_tolower(c);
 		}
 
 		switch (c) {