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 handle Python strings.
28 * TODO: @param entries.
30 * @return SRD_OK upon success, a (negative) error code otherwise.
31 * The 'outstr' argument points to a malloc()ed string upon success.
33 int h_str(PyObject *py_res, PyObject *py_mod, const char *key, char **outstr)
35 PyObject *py_str, *py_encstr;
39 if (!(py_str = PyObject_GetAttrString(py_res, (char *)key))) {
40 ret = SRD_ERR_PYTHON; /* TODO: More specific error? */
41 goto err_h_decref_mod;
45 * PyBytes_AsString()'s returned string refers to an internal buffer
46 * (not a copy), i.e. the data must not be modified, and the memory
47 * must not be free()'d.
49 if (!(py_encstr = PyUnicode_AsEncodedString(py_str, "utf-8", NULL))) {
50 ret = SRD_ERR_PYTHON; /* TODO: More specific error? */
51 goto err_h_decref_str;
53 if (!(str = PyBytes_AS_STRING(py_encstr))) {
54 ret = SRD_ERR_PYTHON; /* TODO: More specific error? */
55 goto err_h_decref_str;
58 if (!(*outstr = g_strdup(str))) {
60 goto err_h_decref_str;
73 PyErr_Print(); /* Returns void. */