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gh-131296: Avoid posixmodule.c warning (GH-133142)

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Clang-cl detects that on 32-bit builds the variable is always smaller than the value. But since the same code is used for other architectures, we can't just _fix_ it. This cast avoids the tautological-constant-out-of-range-compare warning.
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Wulian233 2025-05-06 00:45:15 +08:00 • committed by GitHub
parent 0c5151bc81
commit b6c2ef0c7a
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Modules/posixmodule.c
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@ -4207,7 +4207,7 @@ posix_getcwd(int use_bytes)
terminating \0. If the buffer is too small, len includes
the space needed for the terminator. */
if (len >= Py_ARRAY_LENGTH(wbuf)) {
if (len <= PY_SSIZE_T_MAX / sizeof(wchar_t)) {
if ((Py_ssize_t)len <= PY_SSIZE_T_MAX / sizeof(wchar_t)) {
wbuf2 = PyMem_RawMalloc(len * sizeof(wchar_t));
}
else {