Issue #29392: Prevent crash when passing invalid arguments into msvcrt module.

1 files changed, 17 insertions, 9 deletions

diff --git a/Include/longobject.h b/Include/longobject.h
index 2a2eecf107..efd409c75a 100644
--- a/Include/longobject.h
+++ b/Include/longobject.h
@@ -65,7 +65,8 @@ PyAPI_FUNC(PyObject *) PyLong_GetInfo(void);
 #  error "void* different in size from int, long and long long"
 #endif /* SIZEOF_VOID_P */
 
-/* Used by Python/mystrtoul.c. */
+/* Used by Python/mystrtoul.c, _PyBytes_FromHex(),
+   _PyBytes_DecodeEscapeRecode(), etc. */
 #ifndef Py_LIMITED_API
 PyAPI_DATA(unsigned char) _PyLong_DigitValue[256];
 #endif
@@ -84,14 +85,12 @@ PyAPI_FUNC(double) PyLong_AsDouble(PyObject *);
 PyAPI_FUNC(PyObject *) PyLong_FromVoidPtr(void *);
 PyAPI_FUNC(void *) PyLong_AsVoidPtr(PyObject *);
 
-#ifdef HAVE_LONG_LONG
-PyAPI_FUNC(PyObject *) PyLong_FromLongLong(PY_LONG_LONG);
-PyAPI_FUNC(PyObject *) PyLong_FromUnsignedLongLong(unsigned PY_LONG_LONG);
-PyAPI_FUNC(PY_LONG_LONG) PyLong_AsLongLong(PyObject *);
-PyAPI_FUNC(unsigned PY_LONG_LONG) PyLong_AsUnsignedLongLong(PyObject *);
-PyAPI_FUNC(unsigned PY_LONG_LONG) PyLong_AsUnsignedLongLongMask(PyObject *);
-PyAPI_FUNC(PY_LONG_LONG) PyLong_AsLongLongAndOverflow(PyObject *, int *);
-#endif /* HAVE_LONG_LONG */
+PyAPI_FUNC(PyObject *) PyLong_FromLongLong(long long);
+PyAPI_FUNC(PyObject *) PyLong_FromUnsignedLongLong(unsigned long long);
+PyAPI_FUNC(long long) PyLong_AsLongLong(PyObject *);
+PyAPI_FUNC(unsigned long long) PyLong_AsUnsignedLongLong(PyObject *);
+PyAPI_FUNC(unsigned long long) PyLong_AsUnsignedLongLongMask(PyObject *);
+PyAPI_FUNC(long long) PyLong_AsLongLongAndOverflow(PyObject *, int *);
 
 PyAPI_FUNC(PyObject *) PyLong_FromString(const char *, char **, int);
 #ifndef Py_LIMITED_API
@@ -182,6 +181,13 @@ PyAPI_FUNC(int) _PyLong_FormatWriter(
     int base,
     int alternate);
 
+PyAPI_FUNC(char*) _PyLong_FormatBytesWriter(
+    _PyBytesWriter *writer,
+    char *str,
+    PyObject *obj,
+    int base,
+    int alternate);
+
 /* Format the object based on the format_spec, as defined in PEP 3101
    (Advanced String Formatting). */
 PyAPI_FUNC(int) _PyLong_FormatAdvancedWriter(
@@ -198,8 +204,10 @@ PyAPI_FUNC(int) _PyLong_FormatAdvancedWriter(
 PyAPI_FUNC(unsigned long) PyOS_strtoul(const char *, char **, int);
 PyAPI_FUNC(long) PyOS_strtol(const char *, char **, int);
 
+#ifndef Py_LIMITED_API
 /* For use by the gcd function in mathmodule.c */
 PyAPI_FUNC(PyObject *) _PyLong_GCD(PyObject *, PyObject *);
+#endif /* !Py_LIMITED_API */
 
 #ifdef __cplusplus
 }