From: Wilfried Goesgens <dothebart@citadel.org>
Date: Fri, 19 Aug 2011 17:12:32 +0000 (+0000)
Subject: Fix detecting of UTF8 Sequences
X-Git-Tag: v7.87~1^2~1
X-Git-Url: https://code.citadel.org/?p=citadel.git;a=commitdiff_plain;h=99a9608c07d628bc1db89cddf98d5f4a2ff7bbb2

Fix detecting of UTF8 Sequences

  - we need to exactly check for both highest bits to be set, not one of them.
---

diff --git a/libcitadel/lib/stringbuf.c b/libcitadel/lib/stringbuf.c
index 8718ec065..df35593ea 100644
--- a/libcitadel/lib/stringbuf.c
+++ b/libcitadel/lib/stringbuf.c
@@ -3179,7 +3179,7 @@ static inline int Ctdl_GetUtf8SequenceLength(const char *CharS, const char *Char
 	int n = 0;
         unsigned char test = (1<<7);
 
-	if ((*CharS & 0xC0) == 0) 
+	if ((*CharS & 0xC0) != 0xC0) 
 		return 1;
 
 	while ((n < 8) && 
@@ -3202,7 +3202,7 @@ static inline int Ctdl_GetUtf8SequenceLength(const char *CharS, const char *Char
 static inline int Ctdl_IsUtf8SequenceStart(const char Char)
 {
 /** 11??.???? indicates an UTF8 Sequence. */
-	return ((Char & 0xC0) != 0);
+	return ((Char & 0xC0) == 0xC0);
 }
 
 /**