From 3e26bde6dbc9a8a46d5a1a694e6810e689cbd25a Mon Sep 17 00:00:00 2001
From: Paul Smith <psmith@gnu.org>
Date: Fri, 15 Oct 1999 07:00:58 +0000
Subject: * Fix PR/1394. * Apply changes from Paul Eggert. * Many other
 cleanups (index/rindex --> strchr/strrchr, etc.)

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

(limited to 'vmsfunctions.c')

diff --git a/vmsfunctions.c b/vmsfunctions.c
index 2bc93bd..8356165 100644
--- a/vmsfunctions.c
+++ b/vmsfunctions.c
@@ -76,8 +76,8 @@ opendir (dspec)
     { \
       char *tmp; \
       for (tmp = (str); *tmp != '\0'; tmp++) \
-        if (islower (*tmp)) \
-          *tmp = toupper (*tmp); \
+        if (islower ((unsigned char)*tmp)) \
+          *tmp = toupper ((unsigned char)*tmp); \
     } \
   while (0)
 
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