mirror of
https://github.com/python/cpython.git
synced 2024-12-18 06:14:00 +08:00
365a1864fd
buffer-api supporting objects as input no matter how it was compiled (built in implementations or external openssl library).
29 lines
1.0 KiB
C
29 lines
1.0 KiB
C
/* 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 return NULL
|
|
* on any errors.
|
|
*/
|
|
#define GET_BUFFER_VIEW_OR_ERROUT(obj, viewp) do { \
|
|
if (PyUnicode_Check((obj))) { \
|
|
PyErr_SetString(PyExc_TypeError, \
|
|
"Unicode-objects must be encoded before hashing");\
|
|
return NULL; \
|
|
} \
|
|
if (!PyObject_CheckBuffer((obj))) { \
|
|
PyErr_SetString(PyExc_TypeError, \
|
|
"object supporting the buffer API required"); \
|
|
return NULL; \
|
|
} \
|
|
if (PyObject_GetBuffer((obj), (viewp), PyBUF_SIMPLE) == -1) { \
|
|
return NULL; \
|
|
} \
|
|
if ((viewp)->ndim > 1) { \
|
|
PyErr_SetString(PyExc_BufferError, \
|
|
"Buffer must be single dimension"); \
|
|
PyBuffer_Release((viewp)); \
|
|
return NULL; \
|
|
} \
|
|
} while(0);
|