* error.c (syserr_initialize): need to allocate an additional byte

  for NUL at the end.  [ruby-dev:26574]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8801 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/error.c b/error.c
index dc3ed1b358..347bacd5e0 100644
--- a/error.c
+++ b/error.c
@@ -956,7 +956,7 @@ syserr_initialize(argc, argv, self)
     else err = "unknown error";
     if (!NIL_P(mesg)) {
 	VALUE str = mesg;
-	size_t len = strlen(err)+RSTRING(str)->len+3;
+	size_t len = strlen(err)+RSTRING(str)->len+4;
 	StringValue(str);
 	mesg = rb_str_new(0, len);
 	snprintf(RSTRING(mesg)->ptr, len, "%s - %.*s", err,