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s/it's/its/, s/NULL/NULL{}/, where appropriate.

This commit is contained in:
Tim Peters 2004-07-15 04:23:13 +00:00
parent eda29306b3
commit 5960d80e11
1 changed files with 4 additions and 4 deletions
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8
Doc/ext/newtypes.tex
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@ -761,7 +761,7 @@ Noddy_init(Noddy *self, PyObject *args, PyObject *kwds)
\end{verbatim} \end{verbatim}
With these changes, we can assure that the \member{first} and With these changes, we can assure that the \member{first} and
\member{last} members are never NULL so we can remove checks for \NULL \member{last} members are never \NULL{} so we can remove checks for \NULL{}
values in almost all cases. This means that most of the values in almost all cases. This means that most of the
\cfunction{Py_XDECREF()} calls can be converted to \cfunction{Py_DECREF()} \cfunction{Py_XDECREF()} calls can be converted to \cfunction{Py_DECREF()}
calls. The only place we can't change these calls is in the calls. The only place we can't change these calls is in the
@ -891,15 +891,15 @@ Noddy_dealloc(Noddy* self)
\end{verbatim} \end{verbatim}
Notice the use of a temporary variable in \cfunction{Noddy_clear()}. Notice the use of a temporary variable in \cfunction{Noddy_clear()}.
We use the temporary variable so that we can set each member to \NULL We use the temporary variable so that we can set each member to \NULL{}
before decrementing it's reference count. We do this because, as was before decrementing its reference count. We do this because, as was
discussed earlier, if the reference count drops to zero, we might discussed earlier, if the reference count drops to zero, we might
cause code to run that calls back into the object. In addition, cause code to run that calls back into the object. In addition,
because we now support garbage collection, we also have to worry about because we now support garbage collection, we also have to worry about
code being run that triggers garbage collection. If garbage code being run that triggers garbage collection. If garbage
collection is run, our \member{tp_traverse} handler could get called. collection is run, our \member{tp_traverse} handler could get called.
We can't take a chance of having \cfunction{Noddy_traverse()} called We can't take a chance of having \cfunction{Noddy_traverse()} called
when a member's reference count has dropped to zero and it's value when a member's reference count has dropped to zero and its value
hasn't been set to \NULL. hasn't been set to \NULL.
Python 2.4 and higher provide a \cfunction{Py_CLEAR()} that automates Python 2.4 and higher provide a \cfunction{Py_CLEAR()} that automates