Make uv_to_utf8() to zero-terminate its output buffer,

always use (at least) UTF8_MAXLEN + 1 U8s deep buffer.

p4raw-id: //depot/perl@7967

1 files changed, 1 insertions, 1 deletions

diff --git a/sv.c b/sv.c
index 01076cbe02..912d694636 100644
--- a/sv.c
+++ b/sv.c
@@ -6067,7 +6067,7 @@ Perl_sv_vcatpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV
 	bool is_utf = FALSE;
 	
 	char esignbuf[4];
-	U8 utf8buf[UTF8_MAXLEN];
+	U8 utf8buf[UTF8_MAXLEN+1];
 	STRLEN esignlen = 0;
 
 	char *eptr = Nullch;