From e6e0f7759f069af9fb1cf278d84772b5b6e946f4 Mon Sep 17 00:00:00 2001
From: Tim Ruehsen <tim.ruehsen@gmx.de>
Date: Wed, 18 Jun 2014 12:39:55 +0200
Subject: [PATCH] added lowercase conversion to ASCII strings

---
 src/psl.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/psl.c b/src/psl.c
index 87b7d7b..62cb20c 100644
--- a/src/psl.c
+++ b/src/psl.c
@@ -857,8 +857,16 @@ int psl_str_to_utf8lower(const char *str, const char *encoding, const char *loca
 
 	/* shortcut to avoid costly conversion */
 	if (_str_is_ascii(str)) {
-		if (lower)
+		if (lower) {
+			char *p;
+
 			*lower = strdup(str);
+
+			/* convert ASCII string to lowercase */
+			for (p = *lower; *p; p++)
+				if (isupper(*p))
+					*p = tolower(*p);
+		}
 		return 0;
 	}