2 * This file is part of the sigrok project.
4 * Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de>
5 * Copyright (C) 2011 Bert Vermeulen <bert@biot.com>
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include <sigrokdecode.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */
26 * Helper function to get the value of a python object's attribute,
27 * returned as a newly allocated char *.
29 * @param py_obj The object to probe.
30 * @param key Name of the attribute to retrieve.
31 * @param outstr ptr to char * storage to be filled in.
33 * @return SRD_OK upon success, a (negative) error code otherwise.
34 * The 'outstr' argument points to a malloc()ed string upon success.
36 int h_str(PyObject *py_obj, const char *key, char **outstr)
38 PyObject *py_str, *py_encstr;
42 py_str = py_encstr = NULL;
46 if (!(py_str = PyObject_GetAttrString(py_obj, (char *)key))) {
47 /* TODO: log level 4 debug message */
52 if (!(py_encstr = PyUnicode_AsEncodedString(py_str, "utf-8", NULL))) {
53 /* TODO: log level 4 debug message */
57 if (!(str = PyBytes_AS_STRING(py_encstr))) {
58 /* TODO: log level 4 debug message */
63 if (!(*outstr = g_strdup(str))) {
64 /* TODO: log level 4 debug message */
73 Py_XDECREF(py_encstr);