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[3.13] gh-144067: Document terminal leak when initscr() follows setupterm() (GH-152624) (GH-152894) #152898

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serhiy-storchaka merged 1 commit into from
Jul 2, 2026
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[3.13] gh-144067: Document terminal leak when initscr() follows setupterm() (GH-152624) (GH-152894) #152898

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9 changes: 9 additions & 0 deletions Doc/library/curses.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -306,6 +306,8 @@ The module :mod:`curses` defines the following functions:
Initialize the library. Return a :ref:`window <curses-window-objects>` object
which represents the whole screen.

See :func:`setupterm` for a caveat about calling it before this function.

.. note::

If there is an error opening the terminal, the underlying curses library may
Expand Down Expand Up @@ -568,6 +570,13 @@ The module :mod:`curses` defines the following functions:
terminfo database entry could not be read. If the terminal has already
been initialized, this function has no effect.

.. note::

Calling :func:`initscr` after :func:`setupterm`
leaks the terminal that :func:`setupterm` allocated:
the curses library keeps only a single current terminal
and does not free the previously allocated one.


.. function:: start_color()

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