+ ret = PyRun_SimpleString("import sys;"
+ "sys.path.append(r'" DECODERS_DIR "');");
+ if (ret != 0) {
+ Py_Finalize(); /* Returns void. */
+ return SRD_ERR_PYTHON;
+ }
+
+ if (!(dir = opendir(DECODERS_DIR))) {
+ Py_Finalize(); /* Returns void. */
+ return SRD_ERR_DECODERS_DIR;
+ }
+
+ while ((dp = readdir(dir)) != NULL) {
+ /* Ignore filenames which don't end with ".py". */
+ if (!g_str_has_suffix(dp->d_name, ".py"))
+ continue;
+
+ /* Decoder name == filename (without .py suffix). */
+ decodername = g_strndup(dp->d_name, strlen(dp->d_name) - 3);
+
+ /* TODO: Error handling. Use g_try_malloc(). */
+ if (!(dec = malloc(sizeof(struct srd_decoder)))) {
+ Py_Finalize(); /* Returns void. */
+ return SRD_ERR_MALLOC;
+ }
+
+ /* Load the decoder. */
+ /* TODO: Warning if loading fails for a decoder. */
+ ret = srd_load_decoder(decodername, &dec);
+ if (!ret) {
+ /* Append it to the list of supported/loaded decoders. */
+ list_pds = g_slist_append(list_pds, dec);
+ }
+ }
+ closedir(dir);
+
+ return SRD_OK;
+}
+
+/**
+ * Returns the list of supported/loaded protocol decoders.
+ *
+ * This is a GSList containing the names of the decoders as strings.
+ *
+ * @return List of decoders, NULL if none are supported or loaded.
+ */
+GSList *srd_list_decoders(void)
+{
+ return list_pds;
+}
+
+/**
+ * Get the decoder with the specified ID.
+ *
+ * @param id The ID string of the decoder to return.
+ * @return The decoder with the specified ID, or NULL if not found.
+ */
+struct srd_decoder *srd_get_decoder_by_id(const char *id)
+{
+ GSList *l;
+ struct srd_decoder *dec;
+
+ for (l = srd_list_decoders(); l; l = l->next) {
+ dec = l->data;
+ if (!strcmp(dec->id, id))
+ return dec;
+ }
+
+ return NULL;