diff --git a/Misc/NEWS.d/next/Library/2023-05-11-23-03-00.gh-issue-104399.MMatTP.rst b/Misc/NEWS.d/next/Library/2023-05-11-23-03-00.gh-issue-104399.MMatTP.rst new file mode 100644 index 00000000000000..84cc888635b415 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2023-05-11-23-03-00.gh-issue-104399.MMatTP.rst @@ -0,0 +1,4 @@ +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. diff --git a/Modules/_tkinter.c b/Modules/_tkinter.c index 4807ad59f6da2a..2aab68ee1784f9 100644 --- a/Modules/_tkinter.c +++ b/Modules/_tkinter.c @@ -60,6 +60,12 @@ Copyright (C) 1994 Steen Lumholt. #include +#if defined(TCL_WITH_EXTERNAL_TOMMATH) || (TK_HEX_VERSION >= 0x08070000) +#define USE_DEPRECATED_TOMMATH_API 0 +#else +#define USE_DEPRECATED_TOMMATH_API 1 +#endif + #if !(defined(MS_WINDOWS) || defined(__CYGWIN__)) #define HAVE_CREATEFILEHANDLER #endif @@ -1083,20 +1089,33 @@ static PyObject* fromBignumObj(TkappObject *tkapp, Tcl_Obj *value) { mp_int bigValue; + mp_err err; +#if USE_DEPRECATED_TOMMATH_API unsigned long numBytes; +#else + size_t numBytes; +#endif unsigned char *bytes; PyObject *res; if (Tcl_GetBignumFromObj(Tkapp_Interp(tkapp), value, &bigValue) != TCL_OK) return Tkinter_Error(tkapp); +#if USE_DEPRECATED_TOMMATH_API numBytes = mp_unsigned_bin_size(&bigValue); +#else + numBytes = mp_ubin_size(&bigValue); +#endif bytes = PyMem_Malloc(numBytes); if (bytes == NULL) { mp_clear(&bigValue); return PyErr_NoMemory(); } - if (mp_to_unsigned_bin_n(&bigValue, bytes, - &numBytes) != MP_OKAY) { +#if USE_DEPRECATED_TOMMATH_API + err = mp_to_unsigned_bin_n(&bigValue, bytes, &numBytes); +#else + err = mp_to_ubin(&bigValue, bytes, numBytes, NULL); +#endif + if (err != MP_OKAY) { mp_clear(&bigValue); PyMem_Free(bytes); return PyErr_NoMemory(); pFad - Phonifier reborn

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