Mercurial > cpython-lru_cache-weakref
view Include/bufferobject.h @ 17405:afbb65b60fa2 2.0
Inspired by Tim Peters' 1.14->1.15 checkin to asynchat
Quoting orignal message:
'''
Fix from the Madusa mailing list:
http://groups.yahoo.com/group/medusa/message/333
It's clear that Medusa should not be checking for an empty buffer
via "buf is ''". The patch merely changes "is" to "==". However,
there's a mystery here all the same: Python attempts to store null
strings uniquely, so it's unclear why "buf is ''" ever returned
false when buf actually was empty. *Some* string operations produce
non-unique null strings, e.g.
'''
| author | Moshe Zadka <moshez@math.huji.ac.il> |
|---|---|
| date | Wed, 11 Apr 2001 08:06:02 +0000 |
| parents | 6f6f965c5e2d |
| children | c1eb668525e1 |
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/* Buffer object interface */ /* Note: the object's structure is private */ #ifndef Py_BUFFEROBJECT_H #define Py_BUFFEROBJECT_H #ifdef __cplusplus extern "C" { #endif extern DL_IMPORT(PyTypeObject) PyBuffer_Type; #define PyBuffer_Check(op) ((op)->ob_type == &PyBuffer_Type) #define Py_END_OF_BUFFER (-1) extern DL_IMPORT(PyObject *) PyBuffer_FromObject(PyObject *base, int offset, int size); extern DL_IMPORT(PyObject *) PyBuffer_FromReadWriteObject(PyObject *base, int offset, int size); extern DL_IMPORT(PyObject *) PyBuffer_FromMemory(void *ptr, int size); extern DL_IMPORT(PyObject *) PyBuffer_FromReadWriteMemory(void *ptr, int size); extern DL_IMPORT(PyObject *) PyBuffer_New(int size); #ifdef __cplusplus } #endif #endif /* !Py_BUFFEROBJECT_H */
