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gh-144067: Fix memory leak when initscr() follows setupterm() #144076

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gh-144067: Fix memory leak when initscr() follows setupterm() #144076

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gh-144067: Fix memory leak when setupterm is followed by initscr
VanshAgarwal24036 Jan 20, 2026
df6de5e
gh-144067: Fix memory leak when setupterm is followed by initscr
VanshAgarwal24036 Jan 20, 2026
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VanshAgarwal24036 Jan 20, 2026
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2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Library/2026-01-20-20-13-35.gh-issue-144067.5YEhzs.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
Fix a memory leak in the curses module when setupterm() is called before
initscr(), where the previously allocated terminal state was not freed.
5 changes: 4 additions & 1 deletion Modules/_cursesmodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3731,7 +3731,10 @@ _curses_initscr_impl(PyObject *module)
}
return PyCursesWindow_New(state, stdscr, NULL, NULL);
}

if (cur_term != NULL) {
del_curterm(cur_term);
cur_term = NULL;
}
win = initscr();

if (win == NULL) {
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