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// SPDX-License-Identifier: LGPL-2.1-or-later
// SPDX-FileCopyrightText: 2022 Bartosz Golaszewski <brgl@bgdev.pl>
#include "internal.h"
/* Generic dealloc callback for all gpiod objects. */
void Py_gpiod_dealloc(PyObject *self)
{
int ret;
ret = PyObject_CallFinalizerFromDealloc(self);
if (ret < 0)
return;
PyObject_Del(self);
}
PyObject *Py_gpiod_SetErrFromErrno(void)
{
PyObject *exc;
if (errno == ENOMEM)
return PyErr_NoMemory();
switch (errno) {
case EINVAL:
exc = PyExc_ValueError;
break;
case EOPNOTSUPP:
exc = PyExc_NotImplementedError;
break;
case EPIPE:
exc = PyExc_BrokenPipeError;
break;
case ECHILD:
exc = PyExc_ChildProcessError;
break;
case EINTR:
exc = PyExc_InterruptedError;
break;
case EEXIST:
exc = PyExc_FileExistsError;
break;
case ENOENT:
exc = PyExc_FileNotFoundError;
break;
case EISDIR:
exc = PyExc_IsADirectoryError;
break;
case ENOTDIR:
exc = PyExc_NotADirectoryError;
break;
case EPERM:
exc = PyExc_PermissionError;
break;
case ETIMEDOUT:
exc = PyExc_TimeoutError;
break;
default:
exc = PyExc_OSError;
break;
}
return PyErr_SetFromErrno(exc);
}
PyObject *Py_gpiod_GetModuleAttrString(const char *modname,
const char *attrname)
{
PyObject *module, *attribute;
module = PyImport_ImportModule(modname);
if (!module)
return NULL;
attribute = PyObject_GetAttrString(module, attrname);
Py_DECREF(module);
return attribute;
}
unsigned int Py_gpiod_PyLongAsUnsignedInt(PyObject *pylong)
{
unsigned long tmp;
tmp = PyLong_AsUnsignedLong(pylong);
if (PyErr_Occurred())
return 0;
if (tmp > UINT_MAX) {
PyErr_SetString(PyExc_ValueError, "value exceeding UINT_MAX");
return 0;
}
return tmp;
}
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