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Issue #22668: Ensure that format strings survive slicing after casting.

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Stefan Krah 2015-01-29 14:27:23 +01:00
parent 2934262fd3
commit fa5d6a5ff3
3 changed files with 73 additions and 6 deletions
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4
Include/memoryobject.h
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@ -45,7 +45,7 @@ typedef struct {
} _PyManagedBufferObject;
/* static storage used for casting between formats */
/* deprecated, removed in 3.5 */
#define _Py_MEMORYVIEW_MAX_FORMAT 3 /* must be >= 3 */
/* memoryview state flags */
@ -62,7 +62,7 @@ typedef struct {
int flags; /* state flags */
Py_ssize_t exports; /* number of buffer re-exports */
Py_buffer view; /* private copy of the exporter's view */
char format[_Py_MEMORYVIEW_MAX_FORMAT]; /* used for casting */
char format[_Py_MEMORYVIEW_MAX_FORMAT]; /* deprecated, removed in 3.5 */
PyObject *weakreflist;
Py_ssize_t ob_array[1]; /* shape, strides, suboffsets */
} PyMemoryViewObject;