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Code Issues Releases Wiki Activity

- Py_DECREF: Add `do { ... } while (0)' to avoid compiler warnings.

This commit is contained in:
Matthias Klose 2009-04-04 15:51:23 +00:00
parent edb5e1e09e
commit 8212a82371
2 changed files with 9 additions and 5 deletions
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12
Include/object.h
View File

@ -749,11 +749,13 @@ PyAPI_FUNC(void) _Py_AddToAllObjects(PyObject *, int force);
((PyObject*)(op))->ob_refcnt++)
#define Py_DECREF(op) \
if (_Py_DEC_REFTOTAL _Py_REF_DEBUG_COMMA \
--((PyObject*)(op))->ob_refcnt != 0) \
_Py_CHECK_REFCNT(op) \
else \
_Py_Dealloc((PyObject *)(op))
do { \
if (_Py_DEC_REFTOTAL _Py_REF_DEBUG_COMMA \
--((PyObject*)(op))->ob_refcnt != 0) \
_Py_CHECK_REFCNT(op) \
else \
_Py_Dealloc((PyObject *)(op)) \
} while (0)
/* Safely decref `op` and set `op` to NULL, especially useful in tp_clear
* and tp_dealloc implementatons.

2
Misc/NEWS
View File

@ -207,6 +207,8 @@ Core and Builtins
- Issue #3845: In PyRun_SimpleFileExFlags avoid invalid memory access with
short file names.
- Py_DECREF: Add `do { ... } while (0)' to avoid compiler warnings.
Library
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