static int diff_print_cb(
void *cb_data,
const git_diff_delta *delta,
const git_diff_range *range,
char usage,
const char *line,
size_t line_len)
{
PyObject *data = PyBytes_FromStringAndSize(line, line_len);
PyBytes_ConcatAndDel((PyObject **)cb_data, data);
return 0;
}
static PyObject *rpmfd_read(rpmfdObject *s, PyObject *args, PyObject *kwds)
{
char *kwlist[] = { "size", NULL };
char buf[BUFSIZ];
ssize_t chunksize = sizeof(buf);
ssize_t left = -1;
ssize_t nb = 0;
PyObject *res = NULL;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|l", kwlist, &left))
return NULL;
if (s->fd == NULL) return err_closed();
/* ConcatAndDel() doesn't work on NULL string, meh */
res = PyBytes_FromStringAndSize(NULL, 0);
do {
if (left >= 0 && left < chunksize)
chunksize = left;
Py_BEGIN_ALLOW_THREADS
nb = Fread(buf, 1, chunksize, s->fd);
Py_END_ALLOW_THREADS
if (nb > 0) {
PyObject *tmp = PyBytes_FromStringAndSize(buf, nb);
PyBytes_ConcatAndDel(&res, tmp);
left -= nb;
}
} while (nb > 0);
if (Ferror(s->fd)) {
PyErr_SetString(PyExc_IOError, Fstrerror(s->fd));
Py_XDECREF(res);
return NULL;
} else {
return res;
}
}