From ac0ca3de8123324d24317d88de38d46ed3f6a956 Mon Sep 17 00:00:00 2001
From: Wolfgang Bumiller <blub@speed.at>
Date: Sat, 22 Dec 2012 22:43:14 +0100
Subject: [PATCH] fix and speed up u8_analyze for our purposes

---
 utf8lib.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/utf8lib.c b/utf8lib.c
index cf72229..1207432 100644
--- a/utf8lib.c
+++ b/utf8lib.c
@@ -74,6 +74,7 @@ bool u8_analyze(const char *_s, size_t *_start, size_t *_len, Uchar *_ch, size_t
 			/* in gmqcc, invalid / overlong encodings are considered an error
 			 * goto findchar;
 			 */
+			if (!s[i]) goto done;
 			return false;
 		}
 		ch = (ch << 6) | (s[i+j] & 0x3F);
@@ -87,6 +88,7 @@ bool u8_analyze(const char *_s, size_t *_start, size_t *_len, Uchar *_ch, size_t
 		return false;
 	}
 
+done:
 	if (_start)
 		*_start = i;
 	if (_len)
-- 
2.39.2