Fix SEGV on exit when using python 3.12 and raise minimum required version to 3.4.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

configure.py

@@ -389,8 +389,8 @@ def main(argv):
     """
     siputils.inform("This is SIP-TQt %s for Python %s on %s platform." % (sip_version_str, sys.version.split()[0], sys.platform))
 
-    if py_version < 0x020300:
-        siputils.error("This version of SIP-TQt requires Python v2.3 or later.")
+    if py_version < 0x030400:
+        siputils.error("This version of SIP-TQt requires Python v3.4 or later.")
 
     global extra_lib_dir
 

siplib/sip-tqt.h

@@ -46,8 +46,8 @@ extern "C" {
 
 
 /* Sanity check on the Python version. */
-#if PY_VERSION_HEX < 0x03020000
-#error "This version of SIP-TQt requires Python v3.2 or later"
+#if PY_VERSION_HEX < 0x03040000
+#error "This version of SIP-TQt requires Python v3.4 or later"
 #endif
 
 

siplib/siplib.c

@@ -1610,7 +1610,7 @@ void *sip_api_malloc(size_t nbytes)
 {
     void *mem;
 
-    if ((mem = PyMem_Malloc(nbytes)) == NULL)
+    if ((mem = PyMem_RawMalloc(nbytes)) == NULL)
         PyErr_NoMemory();
 
     return mem;
@@ -1622,7 +1622,7 @@ void *sip_api_malloc(size_t nbytes)
  */
 void sip_api_free(void *mem)
 {
-    PyMem_Free(mem);
+    PyMem_RawFree(mem);
 }
 
 
@@ -9384,7 +9384,7 @@ static char sip_api_string_as_ascii_char(PyObject *obj)
     if (parseString_AsASCIIChar(obj, &ch) < 0)
     {
         /* Use the exception set if it was an encoding error. */
-        if (!PyUnicode_Check(obj) || PyUnicode_GET_SIZE(obj) != 1)
+        if (!PyUnicode_Check(obj) || PyUnicode_GET_LENGTH(obj) != 1)
             PyErr_Format(PyExc_TypeError,
                     "bytes or ASCII string of length 1 expected not '%s'",
                     Py_TYPE(obj)->tp_name);
@@ -9416,7 +9416,7 @@ static char sip_api_string_as_latin1_char(PyObject *obj)
     if (parseString_AsLatin1Char(obj, &ch) < 0)
     {
         /* Use the exception set if it was an encoding error. */
-        if (!PyUnicode_Check(obj) || PyUnicode_GET_SIZE(obj) != 1)
+        if (!PyUnicode_Check(obj) || PyUnicode_GET_LENGTH(obj) != 1)
             PyErr_Format(PyExc_TypeError,
                     "bytes or Latin-1 string of length 1 expected not '%s'",
                     Py_TYPE(obj)->tp_name);
@@ -9448,7 +9448,7 @@ static char sip_api_string_as_utf8_char(PyObject *obj)
     if (parseString_AsUTF8Char(obj, &ch) < 0)
     {
         /* Use the exception set if it was an encoding error. */
-        if (!PyUnicode_Check(obj) || PyUnicode_GET_SIZE(obj) != 1)
+        if (!PyUnicode_Check(obj) || PyUnicode_GET_LENGTH(obj) != 1)
             PyErr_Format(PyExc_TypeError,
                     "bytes or UTF-8 string of length 1 expected not '%s'",
                     Py_TYPE(obj)->tp_name);
@@ -9757,7 +9757,7 @@ static int convertToWCharArray(PyObject *obj, wchar_t **ap, SIP_SSIZE_T *aszp)
     SIP_SSIZE_T ulen;
     wchar_t *wc;
 
-    ulen = PyUnicode_GET_SIZE(obj);
+    ulen = PyUnicode_GET_LENGTH(obj);
 
     if ((wc = sip_api_malloc(ulen * sizeof (wchar_t))) == NULL)
         return -1;
@@ -9794,7 +9794,7 @@ static int parseWChar(PyObject *obj, wchar_t *ap)
  */
 static int convertToWChar(PyObject *obj, wchar_t *ap)
 {
-    if (PyUnicode_GET_SIZE(obj) != 1)
+    if (PyUnicode_GET_LENGTH(obj) != 1)
         return -1;
 
     if (PyUnicode_AsWideChar((PyUnicodeObject *)obj, ap, 1) != 1)
@@ -9832,7 +9832,7 @@ static int convertToWCharString(PyObject *obj, wchar_t **ap)
     SIP_SSIZE_T ulen;
     wchar_t *wc;
 
-    ulen = PyUnicode_GET_SIZE(obj);
+    ulen = PyUnicode_GET_LENGTH(obj);
 
     if ((wc = sip_api_malloc((ulen + 1) * sizeof (wchar_t))) == NULL)
         return -1;