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gh-111178: fix UBSan failures in Modules/unicodedata.c (GH-129801)

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fix UBSan failures for `PreviousDBVersion`
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Bénédikt Tran 2025-02-25 13:13:47 +01:00 • committed by GitHub
parent ecde940025
commit c1478d1ebb
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1 changed files with 5 additions and 3 deletions
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Modules/unicodedata.c
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@ -77,9 +77,11 @@ typedef struct previous_version {
Py_UCS4 (*normalization)(Py_UCS4); Py_UCS4 (*normalization)(Py_UCS4);
} PreviousDBVersion; } PreviousDBVersion;
#define PreviousDBVersion_CAST(op) ((PreviousDBVersion *)(op))
#include "clinic/unicodedata.c.h" #include "clinic/unicodedata.c.h"
#define get_old_record(self, v) ((((PreviousDBVersion*)self)->getrecord)(v)) #define get_old_record(self, v) (PreviousDBVersion_CAST(self)->getrecord(v))
static PyMemberDef DB_members[] = { static PyMemberDef DB_members[] = {
{"unidata_version", Py_T_STRING, offsetof(PreviousDBVersion, name), Py_READONLY}, {"unidata_version", Py_T_STRING, offsetof(PreviousDBVersion, name), Py_READONLY},
@ -1591,14 +1593,14 @@ static PyMethodDef unicodedata_functions[] = {
}; };
static int static int
ucd_traverse(PreviousDBVersion *self, visitproc visit, void *arg) ucd_traverse(PyObject *self, visitproc visit, void *arg)
{ {
Py_VISIT(Py_TYPE(self)); Py_VISIT(Py_TYPE(self));
return 0; return 0;
} }
static void static void
ucd_dealloc(PreviousDBVersion *self) ucd_dealloc(PyObject *self)
{ {
PyTypeObject *tp = Py_TYPE(self); PyTypeObject *tp = Py_TYPE(self);
PyObject_GC_UnTrack(self); PyObject_GC_UnTrack(self);