| /* Common code for use by all hashlib related modules. */ |
| |
| /* |
| * Given a PyObject* obj, fill in the Py_buffer* viewp with the result |
| * of PyObject_GetBuffer. Sets and exception and issues a returns |
| * on any errors. |
| */ |
| #define GET_BUFFER_VIEW_OR_ERROUT(obj, viewp, error_return) do { \ |
| if (PyUnicode_Check((obj))) { \ |
| PyErr_SetString(PyExc_TypeError, \ |
| "Unicode-objects must be encoded before hashing");\ |
| return error_return; \ |
| } \ |
| if (!PyObject_CheckBuffer((obj))) { \ |
| PyErr_SetString(PyExc_TypeError, \ |
| "object supporting the buffer API required"); \ |
| return error_return; \ |
| } \ |
| if (PyObject_GetBuffer((obj), (viewp), PyBUF_SIMPLE) == -1) { \ |
| return error_return; \ |
| } \ |
| if ((viewp)->ndim > 1) { \ |
| PyErr_SetString(PyExc_BufferError, \ |
| "Buffer must be single dimension"); \ |
| PyBuffer_Release((viewp)); \ |
| return error_return; \ |
| } \ |
| } while(0); |