From 4f0974c322efcd33c95404db5b44e53ba00696b4 Mon Sep 17 00:00:00 2001
From: Ralph Corderoy <ralph@inputplus.co.uk>
Date: Fri, 21 Oct 2016 14:42:35 +0100
Subject: [PATCH] Assume POSIX ctype.h;  don't vet tolower()'s parameter.

---
 sbr/uprf.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sbr/uprf.c b/sbr/uprf.c
index 85d53798..179955a3 100644
--- a/sbr/uprf.c
+++ b/sbr/uprf.c
@@ -22,8 +22,8 @@ uprf (const char *c1, const char *c2)
     {
 	c &= 0xff;
 	mask = *c1 & 0xff;
-	c = (isalpha(c) && isupper(c)) ? tolower(c) : c;
-	mask = (isalpha(mask) && isupper(mask)) ? tolower(mask) : mask;
+	c = tolower(c);
+	mask = tolower(mask);
 	if (c != mask)
 	    return 0;
         c1++;
-- 
2.56.0