diff options
Diffstat (limited to 'Modules/_struct.c')
| -rw-r--r-- | Modules/_struct.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/Modules/_struct.c b/Modules/_struct.c index 8e1e219..5b74ec5 100644 --- a/Modules/_struct.c +++ b/Modules/_struct.c @@ -1929,11 +1929,14 @@ s_pack_into(PyObject *self, PyObject **args, Py_ssize_t nargs, PyObject *kwnames /* Check boundaries */ if ((buffer.len - offset) < soself->s_size) { + assert(offset >= 0); + assert(soself->s_size >= 0); + PyErr_Format(StructError, - "pack_into requires a buffer of at least %zd bytes for " + "pack_into requires a buffer of at least %zu bytes for " "packing %zd bytes at offset %zd " "(actual buffer size is %zd)", - soself->s_size + offset, + (size_t)soself->s_size + (size_t)offset, soself->s_size, offset, buffer.len); |