static PyObject *
run_pyc_file(FILE *fp, char *filename, PyObject *globals, PyObject *locals)
{
PyCodeObject *co;
PyObject *v;
long magic;
long PyImport_GetMagicNumber(void);
magic = PyMarshal_ReadLongFromFile(fp);
if (magic != PyImport_GetMagicNumber()) {
PyErr_SetString(PyExc_RuntimeError,
"Bad magic number in .pyc file");
return NULL;
}
(void) PyMarshal_ReadLongFromFile(fp);
v = PyMarshal_ReadObjectFromFile(fp);
fclose(fp);
if (v == NULL || !PyCode_Check(v)) {
Py_XDECREF(v);
PyErr_SetString(PyExc_RuntimeError,
"Bad code object in .pyc file");
return NULL;
}
co = (PyCodeObject *)v;
v = PyEval_EvalCode(co, globals, locals);
Py_DECREF(co);
return v;
}
static PyObject *doRead(PyObject *s, PyObject *args)
{
char *filename;
struct deltarpm d;
PyObject *ret;
int pid;
int ipcpipe[2];
if (!PyArg_ParseTuple(args, "s", &filename)) {
PyErr_SetFromErrno(PyExc_SystemError);
return NULL;
}
/* The delta rpm code does not expect to be used in its way. Its error handling
* conststs of 'printf' and 'exit'. So, dirty hacks abound. */
if (pipe(ipcpipe) == -1) {
PyErr_SetFromErrno(PyExc_SystemError);
return NULL;
}
if ((pid = fork())) {
FILE *readend = fdopen(ipcpipe[0], "r");
int rc, status;
rc = waitpid(pid, &status, 0);
if (rc == -1 || (WIFEXITED(status) && WEXITSTATUS(status) != 0)) {
PyErr_SetFromErrno(PyExc_SystemError);
return NULL;
}
ret = PyMarshal_ReadObjectFromFile(readend);
fclose(readend);
} else {
FILE *writend = fdopen(ipcpipe[1], "w");
readdeltarpm(filename, &d, NULL);
PyMarshal_WriteObjectToFile(createDict(d), writend, Py_MARSHAL_VERSION);
fclose(writend);
_exit(0);
}
close(ipcpipe[1]);
return ret;
}
