]> sigrok.org Git - pulseview.git/blob - pv/device/file.cpp
Fix double-free issue in File::create
[pulseview.git] / pv / device / file.cpp
1 /*
2  * This file is part of the PulseView project.
3  *
4  * Copyright (C) 2014 Joel Holdsworth <joel@airwebreathe.org.uk>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
19  */
20
21 #include "file.h"
22 #include "sessionfile.h"
23
24 #include <boost/filesystem.hpp>
25
26 #include <libsigrok/libsigrok.h>
27
28 using std::make_pair;
29 using std::map;
30 using std::string;
31
32 namespace pv {
33 namespace device {
34
35 File::File(const std::string path) :
36         _path(path)
37 {
38 }
39
40 std::string File::format_device_title() const
41 {
42         return boost::filesystem::path(_path).filename().string();
43 }
44
45 map<string, string> File::get_device_info() const
46 {
47         map<string, string> result;
48
49         result.insert(make_pair("vendor", "sigrok"));
50         result.insert(make_pair("model", "file"));
51         result.insert(make_pair("connection_id",
52                         boost::filesystem::path(_path).filename().string()));
53
54         return result;
55 }
56
57 File* File::create(const string &name)
58 {
59         struct sr_session *temp_session;
60         if (sr_session_load(name.c_str(), &temp_session) == SR_OK) {
61                 GSList *devlist = NULL;
62                 sr_session_dev_list(temp_session, &devlist);
63                 sr_session_destroy(temp_session);
64
65                 if (devlist) {
66                         sr_dev_inst *const sdi = (sr_dev_inst*)devlist->data;
67                         g_slist_free(devlist);
68                         if (sdi) {
69                                 sr_dev_close(sdi);
70                                 sr_dev_clear(sdi->driver);
71                                 return new SessionFile(name);
72                         }
73                 }
74         }
75
76         return NULL;
77 }
78
79 } // device
80 } // pv