mirror of
https://github.com/python/cpython.git
synced 2025-10-30 21:21:22 +00:00
29 lines
1 KiB
C
29 lines
1 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);
|