https://github.com/python/cpython/commit/3f92cf272e19086466add674585a9aa324334e0d
commit: 3f92cf272e19086466add674585a9aa324334e0d
branch: 3.12
author: Miss Islington (bot) <[email protected]>
committer: sobolevn <[email protected]>
date: 2024-03-09T11:36:02Z
summary:

[3.12] gh-116520: Fix error handling in `os_get_terminal_size_impl` in 
`posixmodule` (GH-116521) (#116539)

gh-116520: Fix error handling in `os_get_terminal_size_impl` in `posixmodule` 
(GH-116521)
(cherry picked from commit b4b4e764a798bab60324871074ce4cdebb9d01bb)

Co-authored-by: Nikita Sobolev <[email protected]>

files:
M Modules/posixmodule.c

diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index e64f0002cd50f5..865c70c8ea78f9 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -14340,12 +14340,23 @@ os_get_terminal_size_impl(PyObject *module, int fd)
     termsize = PyStructSequence_New((PyTypeObject *)TerminalSizeType);
     if (termsize == NULL)
         return NULL;
-    PyStructSequence_SET_ITEM(termsize, 0, PyLong_FromLong(columns));
-    PyStructSequence_SET_ITEM(termsize, 1, PyLong_FromLong(lines));
-    if (PyErr_Occurred()) {
-        Py_DECREF(termsize);
-        return NULL;
-    }
+
+    int pos = 0;
+
+#define SET_TERMSIZE(CALL)                                   \
+    do {                                                     \
+        PyObject *item = (CALL);                             \
+        if (item == NULL) {                                  \
+            Py_DECREF(termsize);                             \
+            return NULL;                                     \
+        }                                                    \
+        PyStructSequence_SET_ITEM(termsize, pos++, item);    \
+    } while(0)
+
+    SET_TERMSIZE(PyLong_FromLong(columns));
+    SET_TERMSIZE(PyLong_FromLong(lines));
+#undef SET_TERMSIZE
+
     return termsize;
 }
 #endif /* defined(TERMSIZE_USE_CONIO) || defined(TERMSIZE_USE_IOCTL) */

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