From: Rob Browning <rlb@defaultvalue.org>
Date: Sun, 10 Oct 2021 17:08:32 +0000 (-0500)
Subject: bup_gethostname: always null terminate
X-Git-Url: https://arthur.barton.de/gitweb/?p=bup.git;a=commitdiff_plain;h=1b59a93de5f4f821ce2ce4bfb36eb12d4290a352

bup_gethostname: always null terminate

Signed-off-by: Rob Browning <rlb@defaultvalue.org>
Tested-by: Rob Browning <rlb@defaultvalue.org>
---

diff --git a/lib/bup/_helpers.c b/lib/bup/_helpers.c
index b5a3c79..330187c 100644
--- a/lib/bup/_helpers.c
+++ b/lib/bup/_helpers.c
@@ -1895,6 +1895,7 @@ static PyObject *bup_gethostname(PyObject *mod, PyObject *ignore)
 
     if (gethostname(buf, sizeof(buf) - 1))
         return PyErr_SetFromErrno(PyExc_IOError);
+    buf[sizeof(buf) - 1] = 0;
     return PyBytes_FromString(buf);
 }