initial source import
diff --git a/src/util.h b/src/util.h
new file mode 100644
index 0000000..592660e
--- /dev/null
+++ b/src/util.h
@@ -0,0 +1,111 @@
+/*
+ * util.h
+ *
+ * Copyright (C) AB Strakt 2001, All rights reserved
+ *
+ * Export utility functions and macros.
+ * See the file RATIONALE for a short explanation of why this module was written.
+ *
+ * Reviewed 2001-07-23
+ *
+ * @(#) $Id: util.h,v 1.8 2002/08/16 10:08:09 martin Exp $
+ */
+#ifndef PyOpenSSL_UTIL_H_
+#define PyOpenSSL_UTIL_H_
+
+#include <Python.h>
+#include <openssl/err.h>
+
+/*
+ * pymemcompat written by Michael Hudson and lets you program to the
+ * Python 2.3 memory API while keeping backwards compatability.
+ */
+#include "pymemcompat.h"
+
+extern PyObject *error_queue_to_list(void);
+extern void flush_error_queue(void);
+
+/*
+ * These are needed because there is no "official" way to specify
+ * WHERE to save the thread state.
+ */
+#ifdef WITH_THREAD
+# define MY_BEGIN_ALLOW_THREADS(st) \
+ { st = PyEval_SaveThread(); }
+# define MY_END_ALLOW_THREADS(st) \
+ { PyEval_RestoreThread(st); st = NULL; }
+#else
+# define MY_BEGIN_ALLOW_THREADS(st)
+# define MY_END_ALLOW_THREADS(st) { st = NULL; }
+#endif
+
+#if !defined(PY_MAJOR_VERSION) || PY_VERSION_HEX < 0x02000000
+static int
+PyModule_AddObject(PyObject *m, char *name, PyObject *o)
+{
+ PyObject *dict;
+ if (!PyModule_Check(m) || o == NULL)
+ return -1;
+ dict = PyModule_GetDict(m);
+ if (dict == NULL)
+ return -1;
+ if (PyDict_SetItemString(dict, name, o))
+ return -1;
+ Py_DECREF(o);
+ return 0;
+}
+
+static int
+PyModule_AddIntConstant(PyObject *m, char *name, long value)
+{
+ return PyModule_AddObject(m, name, PyInt_FromLong(value));
+}
+
+static int PyObject_AsFileDescriptor(PyObject *o)
+{
+ int fd;
+ PyObject *meth;
+
+ if (PyInt_Check(o)) {
+ fd = PyInt_AsLong(o);
+ }
+ else if (PyLong_Check(o)) {
+ fd = PyLong_AsLong(o);
+ }
+ else if ((meth = PyObject_GetAttrString(o, "fileno")) != NULL)
+ {
+ PyObject *fno = PyEval_CallObject(meth, NULL);
+ Py_DECREF(meth);
+ if (fno == NULL)
+ return -1;
+
+ if (PyInt_Check(fno)) {
+ fd = PyInt_AsLong(fno);
+ Py_DECREF(fno);
+ }
+ else if (PyLong_Check(fno)) {
+ fd = PyLong_AsLong(fno);
+ Py_DECREF(fno);
+ }
+ else {
+ PyErr_SetString(PyExc_TypeError, "fileno() returned a non-integer");
+ Py_DECREF(fno);
+ return -1;
+ }
+ }
+ else {
+ PyErr_SetString(PyExc_TypeError, "argument must be an int, or have a fileno() method.");
+ return -1;
+ }
+
+ if (fd < 0) {
+ PyErr_Format(PyExc_ValueError, "file descriptor cannot be a negative integer (%i)", fd);
+ return -1;
+ }
+ return fd;
+}
+#endif
+
+
+
+#endif