Prepare the ``_tkinter`` module for building with Tcl 9.0 and future

libtommath by replacing usage of deprecated functions

:c:func:`mp_to_unsigned_bin_n` and:c:func:`mp_unsigned_bin_size`

when necessary.

#if defined(TCL_WITH_EXTERNAL_TOMMATH)|| (TK_HEX_VERSION >=0x08070000)

#defineUSE_DEPRECATED_TOMMATH_API 0

#defineUSE_DEPRECATED_TOMMATH_API 1

#if !(defined(MS_WINDOWS)|| defined(__CYGWIN__))

fromBignumObj(TkappObject*tkapp,Tcl_Obj*value)

{

mp_intbigValue;

mp_errerr;

unsigned longnumBytes;

size_tnumBytes;

unsignedchar*bytes;

PyObject*res;

if (Tcl_GetBignumFromObj(Tkapp_Interp(tkapp),value,&bigValue)!=TCL_OK)

returnTkinter_Error(tkapp);

numBytes=mp_unsigned_bin_size(&bigValue);

numBytes=mp_ubin_size(&bigValue);

bytes=PyMem_Malloc(numBytes);

if (bytes==NULL) {

mp_clear(&bigValue);

returnPyErr_NoMemory();

}

if (mp_to_unsigned_bin_n(&bigValue,bytes,

&numBytes)!=MP_OKAY) {

err=mp_to_unsigned_bin_n(&bigValue,bytes,&numBytes);

err=mp_to_ubin(&bigValue,bytes,numBytes,NULL);

if (err!=MP_OKAY) {

mp_clear(&bigValue);

PyMem_Free(bytes);

returnPyErr_NoMemory();