https://github.com/python/cpython/commit/f2c7c0d2b799c927d9a78e87e4a640d3f9b0356c
commit: f2c7c0d2b799c927d9a78e87e4a640d3f9b0356c
branch: main
author: sunmy2019 <[email protected]>
committer: encukou <[email protected]>
date: 2026-05-01T14:12:08+02:00
summary:

gh-148967: Fix FFI type pointer handling for C complex support in 
set_stginfo_ffi_type_pointer (GH-148969)

files:
M Modules/_ctypes/_ctypes.c

diff --git a/Modules/_ctypes/_ctypes.c b/Modules/_ctypes/_ctypes.c
index 0bdc30a0cb3836..5325321efe75cd 100644
--- a/Modules/_ctypes/_ctypes.c
+++ b/Modules/_ctypes/_ctypes.c
@@ -2225,6 +2225,7 @@ c_void_p_from_param_impl(PyObject *type, PyTypeObject 
*cls, PyObject *value)
 static int
 set_stginfo_ffi_type_pointer(StgInfo *stginfo, struct fielddesc *fmt)
 {
+#if defined(_Py_FFI_SUPPORT_C_COMPLEX)
     if (!fmt->pffi_type->elements) {
         stginfo->ffi_type_pointer = *fmt->pffi_type;
     }
@@ -2244,6 +2245,10 @@ set_stginfo_ffi_type_pointer(StgInfo *stginfo, struct 
fielddesc *fmt)
         memcpy(stginfo->ffi_type_pointer.elements,
                fmt->pffi_type->elements, els_size);
     }
+#else
+    assert(!fmt->pffi_type->elements);
+    stginfo->ffi_type_pointer = *fmt->pffi_type;
+#endif
     return 0;
 }
 

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