add LIN protocol decoder

[libsigrokdecode.git] / srd.c

diff --git a/srd.c b/srd.c
index bed803198c99bb339db52c5da93d9b399ef989b9..22f47fcf26a869ad8856e90b6f7f34bc76be5741 100644 (file)
--- a/srd.c
+++ b/srd.c
@@ -105,7 +105,7 @@ static int searchpath_add_xdg_dir(const char *datadir)
        if (g_file_test(decdir, G_FILE_TEST_IS_DIR))
                ret = srd_decoder_searchpath_add(decdir);
        else
-               ret = SRD_OK; /* just ignore non-existing directory */
+               ret = SRD_OK; /* Just ignore non-existing directory. */
 
        g_free(decdir);
 
@@ -172,6 +172,7 @@ static int print_searchpaths(void)
                py_path = PyList_GetItem(py_paths, i);
                py_bytes = PyUnicode_AsUTF8String(py_path);
                g_string_append_printf(s, " - %s\n", PyBytes_AsString(py_bytes));
+               Py_DECREF(py_bytes);
        }
        s->str[s->len - 1] = '\0';
        srd_dbg("%s", s->str);
@@ -188,11 +189,6 @@ err:
        return SRD_ERR_PYTHON;
 }
 
-SRD_API GSList *srd_searchpaths_get(void)
-{
-       return g_slist_copy_deep(searchpaths, (GCopyFunc)g_strdup, NULL);
-}
-
 /**
  * Initialize libsigrokdecode.
  *
@@ -245,7 +241,7 @@ SRD_API int srd_init(const char *path)
        /* Locations relative to the XDG system data directories. */
        sys_datadirs = g_get_system_data_dirs();
        for (i = g_strv_length((char **)sys_datadirs); i > 0; i--) {
-               ret = searchpath_add_xdg_dir(sys_datadirs[i-1]);
+               ret = searchpath_add_xdg_dir(sys_datadirs[i - 1]);
                if (ret != SRD_OK) {
                        Py_Finalize();
                        return ret;
@@ -294,6 +290,12 @@ SRD_API int srd_init(const char *path)
        return SRD_OK;
 }
 
+static void srd_session_destroy_cb(void *arg, void *ignored)
+{
+       (void)ignored; // Prevent unused warning
+       srd_session_destroy((struct srd_session *)arg);
+}
+
 /**
  * Shutdown libsigrokdecode.
  *
@@ -312,7 +314,9 @@ SRD_API int srd_exit(void)
 {
        srd_dbg("Exiting libsigrokdecode.");
 
-       g_slist_foreach(sessions, (GFunc)srd_session_destroy, NULL);
+       g_slist_foreach(sessions, srd_session_destroy_cb, NULL);
+       g_slist_free(sessions);
+       sessions = NULL;
 
        srd_decoder_unload_all();
        g_slist_free_full(searchpaths, g_free);
@@ -351,8 +355,6 @@ SRD_API int srd_exit(void)
  * @return SRD_OK upon success, a (negative) error code otherwise.
  *
  * @private
- *
- * @since 0.1.0
  */
 SRD_PRIV int srd_decoder_searchpath_add(const char *path)
 {
@@ -391,4 +393,21 @@ err:
        return SRD_ERR_PYTHON;
 }
 
+/**
+ * Return the list of protocol decoder search paths.
+ *
+ * @return The list of search paths used when loading protocol decoders.
+ *
+ * @since 0.5.1
+ */
+SRD_API GSList *srd_searchpaths_get(void)
+{
+       GSList *paths = NULL;
+
+       for (GSList *l = searchpaths; l; l = l->next)
+               paths = g_slist_append(paths, g_strdup(l->data));
+
+       return paths;
+}
+
 /** @} */