From: Ralph Corderoy <ralph@inputplus.co.uk>
Date: Fri, 21 Oct 2016 13:42:35 +0000 (+0100)
Subject: Assume POSIX ctype.h;  don't vet tolower()'s parameter.
X-Git-Url: https://diplodocus.org/git/nmh/commitdiff_plain/4f0974c322efcd33c95404db5b44e53ba00696b4?ds=sidebyside;hp=f8e99abf0aed17906b1efacaad9df24f217e4096

Assume POSIX ctype.h;  don't vet tolower()'s parameter.
---

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++;