84 lines
2.4 KiB
C
84 lines
2.4 KiB
C
/* util.h - various utility functions
|
|
*
|
|
* Copyright (C) 2005-2010 Gerhard Häring <gh@ghaering.de>
|
|
*
|
|
* This file is part of pysqlite.
|
|
*
|
|
* This software is provided 'as-is', without any express or implied
|
|
* warranty. In no event will the authors be held liable for any damages
|
|
* arising from the use of this software.
|
|
*
|
|
* Permission is granted to anyone to use this software for any purpose,
|
|
* including commercial applications, and to alter it and redistribute it
|
|
* freely, subject to the following restrictions:
|
|
*
|
|
* 1. The origin of this software must not be misrepresented; you must not
|
|
* claim that you wrote the original software. If you use this software
|
|
* in a product, an acknowledgment in the product documentation would be
|
|
* appreciated but is not required.
|
|
* 2. Altered source versions must be plainly marked as such, and must not be
|
|
* misrepresented as being the original software.
|
|
* 3. This notice may not be removed or altered from any source distribution.
|
|
*/
|
|
|
|
#ifndef PYSQLITE_UTIL_H
|
|
#define PYSQLITE_UTIL_H
|
|
#define PY_SSIZE_T_CLEAN
|
|
#include "Python.h"
|
|
#include "pythread.h"
|
|
#include "sqlcipher/sqlite3.h"
|
|
#include "connection.h"
|
|
|
|
int pysqlite_step(sqlite3_stmt* statement, pysqlite_Connection* connection);
|
|
|
|
/**
|
|
* Checks the SQLite error code and sets the appropriate DB-API exception.
|
|
* Returns the error code (0 means no error occurred).
|
|
*/
|
|
int _pysqlite_seterror(sqlite3* db);
|
|
|
|
sqlite_int64 _pysqlite_long_as_int64(PyObject * value);
|
|
|
|
#ifndef _Py_CAST
|
|
# define _Py_CAST(type, expr) ((type)(expr))
|
|
#endif
|
|
|
|
// Cast argument to PyObject* type.
|
|
#ifndef _PyObject_CAST
|
|
# define _PyObject_CAST(op) _Py_CAST(PyObject*, op)
|
|
#endif
|
|
|
|
#if PY_VERSION_HEX < 0x030A00A3 && !defined(Py_NewRef)
|
|
static inline PyObject* _Py_NewRef(PyObject *obj)
|
|
{
|
|
Py_INCREF(obj);
|
|
return obj;
|
|
}
|
|
#define Py_NewRef(obj) _Py_NewRef(_PyObject_CAST(obj))
|
|
#endif
|
|
|
|
#if PY_VERSION_HEX < 0x030D0000
|
|
static inline int PyWeakref_GetRef(PyObject *ref, PyObject **pobj)
|
|
{
|
|
PyObject *obj;
|
|
if (ref != NULL && !PyWeakref_Check(ref)) {
|
|
*pobj = NULL;
|
|
PyErr_SetString(PyExc_TypeError, "expected a weakref");
|
|
return -1;
|
|
}
|
|
obj = PyWeakref_GetObject(ref);
|
|
if (obj == NULL) {
|
|
// SystemError if ref is NULL
|
|
*pobj = NULL;
|
|
return -1;
|
|
}
|
|
if (obj == Py_None) {
|
|
*pobj = NULL;
|
|
return 0;
|
|
}
|
|
*pobj = Py_NewRef(obj);
|
|
return (*pobj != NULL);
|
|
}
|
|
#endif
|
|
|
|
#endif
|