From: Serhiy Storchaka <storchaka@gmail.com>
Date: Mon, 15 Sep 2025 14:07:34 +0000 (+0300)
Subject: gh-138779: Use the dev_t converter for st_rdev (GH-138780)
X-Git-Tag: v3.15.0a1~367
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=43013f72f0aadc5ee428aa5bdf6d949b4e79779a;p=thirdparty%2FPython%2Fcpython.git

gh-138779: Use the dev_t converter for st_rdev (GH-138780)

This allows to support device numbers larger than 2**63-1.
---

diff --git a/Misc/NEWS.d/next/Library/2025-09-11-11-09-28.gh-issue-138779.TNZnLr.rst b/Misc/NEWS.d/next/Library/2025-09-11-11-09-28.gh-issue-138779.TNZnLr.rst
new file mode 100644
index 000000000000..d54f21ffb896
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2025-09-11-11-09-28.gh-issue-138779.TNZnLr.rst
@@ -0,0 +1,3 @@
+Support device numbers larger than ``2**63-1`` for the
+:attr:`~os.stat_result.st_rdev` field of the :class:`os.stat_result`
+structure.
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 5e735e86bdee..bba73c659dd1 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -2759,7 +2759,7 @@ _pystat_fromstructstat(PyObject *module, STRUCT_STAT *st)
     SET_ITEM(ST_BLOCKS_IDX, PyLong_FromLong((long)st->st_blocks));
 #endif
 #ifdef HAVE_STRUCT_STAT_ST_RDEV
-    SET_ITEM(ST_RDEV_IDX, PyLong_FromLong((long)st->st_rdev));
+    SET_ITEM(ST_RDEV_IDX, _PyLong_FromDev(st->st_rdev));
 #endif
 #ifdef HAVE_STRUCT_STAT_ST_GEN
     SET_ITEM(ST_GEN_IDX, PyLong_FromLong((long)st->st_gen));