When utf8_width(&src) is called with *src == NULL (because the
source string ends with an ansi sequence), it returns 0 and steps
'src' by one. This stepping makes strbuf_utf8_replace add NUL to the
destination string at the end of the loop. Check and break the loop
early.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclo...@gmail.com>
---
utf8.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/utf8.c b/utf8.c
index b30790d..cd090a1 100644
--- a/utf8.c
+++ b/utf8.c
@@ -381,6 +381,8 @@ void strbuf_utf8_replace(struct strbuf *sb_src, int pos,
int width,
src += n;
dst += n;
}
+ if (src >= end)
+ break;
old = src;
n = utf8_width((const char**)&src, NULL);
--
2.1.0.rc0.66.gb9187ad
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