diff options
Diffstat (limited to 'Objects/bytearrayobject.c')
| -rw-r--r-- | Objects/bytearrayobject.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Objects/bytearrayobject.c b/Objects/bytearrayobject.c index 5a803be..97d7796 100644 --- a/Objects/bytearrayobject.c +++ b/Objects/bytearrayobject.c @@ -273,7 +273,9 @@ PyByteArray_Concat(PyObject *a, PyObject *b) result = (PyByteArrayObject *) \ PyByteArray_FromStringAndSize(NULL, va.len + vb.len); - if (result != NULL) { + // result->ob_bytes is NULL if result is an empty string: + // if va.len + vb.len equals zero. + if (result != NULL && result->ob_bytes != NULL) { memcpy(result->ob_bytes, va.buf, va.len); memcpy(result->ob_bytes + va.len, vb.buf, vb.len); } |