2 * This file is part of the libsigrokdecode project.
4 * Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de>
5 * Copyright (C) 2012 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 "libsigrokdecode-internal.h" /* First, so we avoid a _POSIX_C_SOURCE warning. */
23 #include "libsigrokdecode.h"
29 * Listing, loading, unloading, and handling protocol decoders.
33 * @defgroup grp_decoder Protocol decoders
35 * Handling protocol decoders.
42 /* The list of loaded protocol decoders. */
43 static GSList *pd_list = NULL;
46 extern SRD_PRIV GSList *searchpaths;
49 extern SRD_PRIV GSList *sessions;
50 extern SRD_PRIV int max_session_id;
52 /* module_sigrokdecode.c */
53 extern SRD_PRIV PyObject *mod_sigrokdecode;
57 static gboolean srd_check_init(void)
59 if (max_session_id < 0) {
60 srd_err("Library is not initialized.");
67 * Returns the list of loaded protocol decoders.
69 * This is a GSList of pointers to struct srd_decoder items.
71 * @return List of decoders, NULL if none are supported or loaded.
75 SRD_API const GSList *srd_decoder_list(void)
81 * Get the decoder with the specified ID.
83 * @param id The ID string of the decoder to return.
85 * @return The decoder with the specified ID, or NULL if not found.
89 SRD_API struct srd_decoder *srd_decoder_get_by_id(const char *id)
92 struct srd_decoder *dec;
94 for (l = pd_list; l; l = l->next) {
96 if (!strcmp(dec->id, id))
103 static void channel_free(void *data)
105 struct srd_channel *ch = data;
116 static void variant_free(void *data)
118 GVariant *var = data;
123 g_variant_unref(var);
126 static void annotation_row_free(void *data)
128 struct srd_decoder_annotation_row *row = data;
133 g_slist_free(row->ann_classes);
139 static void decoder_option_free(void *data)
141 struct srd_decoder_option *opt = data;
146 g_slist_free_full(opt->values, &variant_free);
147 variant_free(opt->def);
153 static void decoder_free(struct srd_decoder *dec)
155 PyGILState_STATE gstate;
160 gstate = PyGILState_Ensure();
161 Py_XDECREF(dec->py_dec);
162 Py_XDECREF(dec->py_mod);
163 PyGILState_Release(gstate);
165 g_slist_free_full(dec->options, &decoder_option_free);
166 g_slist_free_full(dec->binary, (GDestroyNotify)&g_strfreev);
167 g_slist_free_full(dec->annotation_rows, &annotation_row_free);
168 g_slist_free_full(dec->annotations, (GDestroyNotify)&g_strfreev);
169 g_slist_free_full(dec->opt_channels, &channel_free);
170 g_slist_free_full(dec->channels, &channel_free);
172 g_slist_free_full(dec->outputs, g_free);
173 g_slist_free_full(dec->inputs, g_free);
174 g_free(dec->license);
176 g_free(dec->longname);
183 static int get_channels(const struct srd_decoder *d, const char *attr,
184 GSList **out_pdchl, int offset)
186 PyObject *py_channellist, *py_entry;
187 struct srd_channel *pdch;
190 PyGILState_STATE gstate;
192 gstate = PyGILState_Ensure();
194 if (!PyObject_HasAttrString(d->py_dec, attr)) {
195 /* No channels of this type specified. */
196 PyGILState_Release(gstate);
202 py_channellist = PyObject_GetAttrString(d->py_dec, attr);
206 if (!PyTuple_Check(py_channellist)) {
207 srd_err("Protocol decoder %s %s attribute is not a tuple.",
212 for (i = PyTuple_Size(py_channellist) - 1; i >= 0; i--) {
213 py_entry = PyTuple_GetItem(py_channellist, i);
217 if (!PyDict_Check(py_entry)) {
218 srd_err("Protocol decoder %s %s attribute is not "
219 "a list of dict elements.", d->name, attr);
222 pdch = g_malloc(sizeof(struct srd_channel));
223 /* Add to list right away so it doesn't get lost. */
224 pdchl = g_slist_prepend(pdchl, pdch);
226 if (py_dictitem_as_str(py_entry, "id", &pdch->id) != SRD_OK)
228 if (py_dictitem_as_str(py_entry, "name", &pdch->name) != SRD_OK)
230 if (py_dictitem_as_str(py_entry, "desc", &pdch->desc) != SRD_OK)
233 pdch->order = offset + i;
236 Py_DECREF(py_channellist);
239 PyGILState_Release(gstate);
244 srd_exception_catch("Failed to get %s list of %s decoder",
248 g_slist_free_full(pdchl, &channel_free);
249 Py_XDECREF(py_channellist);
250 PyGILState_Release(gstate);
252 return SRD_ERR_PYTHON;
255 static int get_options(struct srd_decoder *d)
257 PyObject *py_opts, *py_opt, *py_str, *py_values, *py_default, *py_item;
259 struct srd_decoder_option *o;
262 PyGILState_STATE gstate;
264 gstate = PyGILState_Ensure();
266 if (!PyObject_HasAttrString(d->py_dec, "options")) {
267 /* No options, that's fine. */
268 PyGILState_Release(gstate);
274 /* If present, options must be a tuple. */
275 py_opts = PyObject_GetAttrString(d->py_dec, "options");
279 if (!PyTuple_Check(py_opts)) {
280 srd_err("Protocol decoder %s: options attribute is not "
285 for (opt = PyTuple_Size(py_opts) - 1; opt >= 0; opt--) {
286 py_opt = PyTuple_GetItem(py_opts, opt);
290 if (!PyDict_Check(py_opt)) {
291 srd_err("Protocol decoder %s options: each option "
292 "must consist of a dictionary.", d->name);
296 o = g_malloc0(sizeof(struct srd_decoder_option));
297 /* Add to list right away so it doesn't get lost. */
298 options = g_slist_prepend(options, o);
300 py_str = PyDict_GetItemString(py_opt, "id");
302 srd_err("Protocol decoder %s option %zd has no ID.",
306 if (py_str_as_str(py_str, &o->id) != SRD_OK)
309 py_str = PyDict_GetItemString(py_opt, "desc");
311 if (py_str_as_str(py_str, &o->desc) != SRD_OK)
315 py_default = PyDict_GetItemString(py_opt, "default");
317 gvar = py_obj_to_variant(py_default);
319 srd_err("Protocol decoder %s option 'default' has "
320 "invalid default value.", d->name);
323 o->def = g_variant_ref_sink(gvar);
326 py_values = PyDict_GetItemString(py_opt, "values");
329 * A default is required if a list of values is
330 * given, since it's used to verify their type.
333 srd_err("No default for option '%s'.", o->id);
336 if (!PyTuple_Check(py_values)) {
337 srd_err("Option '%s' values should be a tuple.", o->id);
341 for (i = PyTuple_Size(py_values) - 1; i >= 0; i--) {
342 py_item = PyTuple_GetItem(py_values, i);
346 if (py_default && (Py_TYPE(py_default) != Py_TYPE(py_item))) {
347 srd_err("All values for option '%s' must be "
348 "of the same type as the default.",
352 gvar = py_obj_to_variant(py_item);
354 srd_err("Protocol decoder %s option 'values' "
355 "contains invalid value.", d->name);
358 o->values = g_slist_prepend(o->values,
359 g_variant_ref_sink(gvar));
363 d->options = options;
365 PyGILState_Release(gstate);
370 srd_exception_catch("Failed to get %s decoder options", d->name);
373 g_slist_free_full(options, &decoder_option_free);
375 PyGILState_Release(gstate);
377 return SRD_ERR_PYTHON;
380 /* Convert annotation class attribute to GSList of char **. */
381 static int get_annotations(struct srd_decoder *dec)
383 PyObject *py_annlist, *py_ann;
387 PyGILState_STATE gstate;
389 gstate = PyGILState_Ensure();
391 if (!PyObject_HasAttrString(dec->py_dec, "annotations")) {
392 PyGILState_Release(gstate);
398 py_annlist = PyObject_GetAttrString(dec->py_dec, "annotations");
402 if (!PyTuple_Check(py_annlist)) {
403 srd_err("Protocol decoder %s annotations should "
404 "be a tuple.", dec->name);
408 for (i = PyTuple_Size(py_annlist) - 1; i >= 0; i--) {
409 py_ann = PyTuple_GetItem(py_annlist, i);
413 if (!PyTuple_Check(py_ann) || PyTuple_Size(py_ann) != 2) {
414 srd_err("Protocol decoder %s annotation %zd should "
415 "be a tuple with two elements.",
419 if (py_strseq_to_char(py_ann, &annpair) != SRD_OK)
422 annotations = g_slist_prepend(annotations, annpair);
424 dec->annotations = annotations;
425 Py_DECREF(py_annlist);
426 PyGILState_Release(gstate);
431 srd_exception_catch("Failed to get %s decoder annotations", dec->name);
434 g_slist_free_full(annotations, (GDestroyNotify)&g_strfreev);
435 Py_XDECREF(py_annlist);
436 PyGILState_Release(gstate);
438 return SRD_ERR_PYTHON;
441 /* Convert annotation_rows to GSList of 'struct srd_decoder_annotation_row'. */
442 static int get_annotation_rows(struct srd_decoder *dec)
444 PyObject *py_ann_rows, *py_ann_row, *py_ann_classes, *py_item;
445 GSList *annotation_rows;
446 struct srd_decoder_annotation_row *ann_row;
449 PyGILState_STATE gstate;
451 gstate = PyGILState_Ensure();
453 if (!PyObject_HasAttrString(dec->py_dec, "annotation_rows")) {
454 PyGILState_Release(gstate);
458 annotation_rows = NULL;
460 py_ann_rows = PyObject_GetAttrString(dec->py_dec, "annotation_rows");
464 if (!PyTuple_Check(py_ann_rows)) {
465 srd_err("Protocol decoder %s annotation_rows "
466 "must be a tuple.", dec->name);
470 for (i = PyTuple_Size(py_ann_rows) - 1; i >= 0; i--) {
471 py_ann_row = PyTuple_GetItem(py_ann_rows, i);
475 if (!PyTuple_Check(py_ann_row) || PyTuple_Size(py_ann_row) != 3) {
476 srd_err("Protocol decoder %s annotation_rows "
477 "must contain only tuples of 3 elements.",
481 ann_row = g_malloc0(sizeof(struct srd_decoder_annotation_row));
482 /* Add to list right away so it doesn't get lost. */
483 annotation_rows = g_slist_prepend(annotation_rows, ann_row);
485 py_item = PyTuple_GetItem(py_ann_row, 0);
488 if (py_str_as_str(py_item, &ann_row->id) != SRD_OK)
491 py_item = PyTuple_GetItem(py_ann_row, 1);
494 if (py_str_as_str(py_item, &ann_row->desc) != SRD_OK)
497 py_ann_classes = PyTuple_GetItem(py_ann_row, 2);
501 if (!PyTuple_Check(py_ann_classes)) {
502 srd_err("Protocol decoder %s annotation_rows tuples "
503 "must have a tuple of numbers as 3rd element.",
508 for (k = PyTuple_Size(py_ann_classes) - 1; k >= 0; k--) {
509 py_item = PyTuple_GetItem(py_ann_classes, k);
513 if (!PyLong_Check(py_item)) {
514 srd_err("Protocol decoder %s annotation row "
515 "class tuple must only contain numbers.",
519 class_idx = PyLong_AsSize_t(py_item);
520 if (PyErr_Occurred())
523 ann_row->ann_classes = g_slist_prepend(ann_row->ann_classes,
524 GSIZE_TO_POINTER(class_idx));
527 dec->annotation_rows = annotation_rows;
528 Py_DECREF(py_ann_rows);
529 PyGILState_Release(gstate);
534 srd_exception_catch("Failed to get %s decoder annotation rows",
538 g_slist_free_full(annotation_rows, &annotation_row_free);
539 Py_XDECREF(py_ann_rows);
540 PyGILState_Release(gstate);
542 return SRD_ERR_PYTHON;
545 /* Convert binary classes to GSList of char **. */
546 static int get_binary_classes(struct srd_decoder *dec)
548 PyObject *py_bin_classes, *py_bin_class;
552 PyGILState_STATE gstate;
554 gstate = PyGILState_Ensure();
556 if (!PyObject_HasAttrString(dec->py_dec, "binary")) {
557 PyGILState_Release(gstate);
563 py_bin_classes = PyObject_GetAttrString(dec->py_dec, "binary");
567 if (!PyTuple_Check(py_bin_classes)) {
568 srd_err("Protocol decoder %s binary classes should "
569 "be a tuple.", dec->name);
573 for (i = PyTuple_Size(py_bin_classes) - 1; i >= 0; i--) {
574 py_bin_class = PyTuple_GetItem(py_bin_classes, i);
578 if (!PyTuple_Check(py_bin_class)
579 || PyTuple_Size(py_bin_class) != 2) {
580 srd_err("Protocol decoder %s binary classes should "
581 "consist only of tuples of 2 elements.",
585 if (py_strseq_to_char(py_bin_class, &bin) != SRD_OK)
588 bin_classes = g_slist_prepend(bin_classes, bin);
590 dec->binary = bin_classes;
591 Py_DECREF(py_bin_classes);
592 PyGILState_Release(gstate);
597 srd_exception_catch("Failed to get %s decoder binary classes",
601 g_slist_free_full(bin_classes, (GDestroyNotify)&g_strfreev);
602 Py_XDECREF(py_bin_classes);
603 PyGILState_Release(gstate);
605 return SRD_ERR_PYTHON;
608 /* Check whether the Decoder class defines the named method. */
609 static int check_method(PyObject *py_dec, const char *mod_name,
610 const char *method_name)
614 PyGILState_STATE gstate;
616 gstate = PyGILState_Ensure();
618 py_method = PyObject_GetAttrString(py_dec, method_name);
620 srd_exception_catch("Protocol decoder %s Decoder class "
621 "has no %s() method", mod_name, method_name);
622 PyGILState_Release(gstate);
623 return SRD_ERR_PYTHON;
626 is_callable = PyCallable_Check(py_method);
627 Py_DECREF(py_method);
629 PyGILState_Release(gstate);
632 srd_err("Protocol decoder %s Decoder class attribute '%s' "
633 "is not a method.", mod_name, method_name);
634 return SRD_ERR_PYTHON;
641 * Get the API version of the specified decoder.
643 * @param d The decoder to use. Must not be NULL.
645 * @return The API version of the decoder, or 0 upon errors.
649 SRD_PRIV long srd_decoder_apiver(const struct srd_decoder *d)
653 PyGILState_STATE gstate;
658 gstate = PyGILState_Ensure();
660 py_apiver = PyObject_GetAttrString(d->py_dec, "api_version");
661 apiver = (py_apiver && PyLong_Check(py_apiver))
662 ? PyLong_AsLong(py_apiver) : 0;
663 Py_XDECREF(py_apiver);
665 PyGILState_Release(gstate);
671 * Load a protocol decoder module into the embedded Python interpreter.
673 * @param module_name The module name to be loaded.
675 * @return SRD_OK upon success, a (negative) error code otherwise.
679 SRD_API int srd_decoder_load(const char *module_name)
681 PyObject *py_basedec;
682 struct srd_decoder *d;
685 const char *fail_txt;
686 PyGILState_STATE gstate;
688 if (!srd_check_init())
694 gstate = PyGILState_Ensure();
696 if (PyDict_GetItemString(PyImport_GetModuleDict(), module_name)) {
697 /* Module was already imported. */
698 PyGILState_Release(gstate);
702 d = g_malloc0(sizeof(struct srd_decoder));
705 d->py_mod = py_import_by_name(module_name);
707 fail_txt = "import by name failed";
711 if (!mod_sigrokdecode) {
712 srd_err("sigrokdecode module not loaded.");
713 fail_txt = "sigrokdecode(3) not loaded";
717 /* Get the 'Decoder' class as Python object. */
718 d->py_dec = PyObject_GetAttrString(d->py_mod, "Decoder");
720 fail_txt = "no 'Decoder' attribute in imported module";
724 py_basedec = PyObject_GetAttrString(mod_sigrokdecode, "Decoder");
726 fail_txt = "no 'Decoder' attribute in sigrokdecode(3)";
730 is_subclass = PyObject_IsSubclass(d->py_dec, py_basedec);
731 Py_DECREF(py_basedec);
734 srd_err("Decoder class in protocol decoder module %s is not "
735 "a subclass of sigrokdecode.Decoder.", module_name);
736 fail_txt = "not a subclass of sigrokdecode.Decoder";
741 * Check that this decoder has the correct PD API version.
742 * PDs of different API versions are incompatible and cannot work.
744 apiver = srd_decoder_apiver(d);
746 srd_exception_catch("Only PD API version 3 is supported, "
747 "decoder %s has version %ld", module_name, apiver);
748 fail_txt = "API version mismatch";
752 /* Check Decoder class for required methods. */
754 if (check_method(d->py_dec, module_name, "start") != SRD_OK) {
755 fail_txt = "no 'start()' method";
759 if (check_method(d->py_dec, module_name, "decode") != SRD_OK) {
760 fail_txt = "no 'decode()' method";
764 /* Store required fields in newly allocated strings. */
765 if (py_attr_as_str(d->py_dec, "id", &(d->id)) != SRD_OK) {
766 fail_txt = "no 'id' attribute";
770 if (py_attr_as_str(d->py_dec, "name", &(d->name)) != SRD_OK) {
771 fail_txt = "no 'name' attribute";
775 if (py_attr_as_str(d->py_dec, "longname", &(d->longname)) != SRD_OK) {
776 fail_txt = "no 'longname' attribute";
780 if (py_attr_as_str(d->py_dec, "desc", &(d->desc)) != SRD_OK) {
781 fail_txt = "no 'desc' attribute";
785 if (py_attr_as_str(d->py_dec, "license", &(d->license)) != SRD_OK) {
786 fail_txt = "no 'license' attribute";
790 if (py_attr_as_strlist(d->py_dec, "inputs", &(d->inputs)) != SRD_OK) {
791 fail_txt = "missing or malformed 'inputs' attribute";
795 if (py_attr_as_strlist(d->py_dec, "outputs", &(d->outputs)) != SRD_OK) {
796 fail_txt = "missing or malformed 'outputs' attribute";
800 /* All options and their default values. */
801 if (get_options(d) != SRD_OK) {
802 fail_txt = "cannot get options";
806 /* Check and import required channels. */
807 if (get_channels(d, "channels", &d->channels, 0) != SRD_OK) {
808 fail_txt = "cannot get channels";
812 /* Check and import optional channels. */
813 if (get_channels(d, "optional_channels", &d->opt_channels,
814 g_slist_length(d->channels)) != SRD_OK) {
815 fail_txt = "cannot get optional channels";
819 if (get_annotations(d) != SRD_OK) {
820 fail_txt = "cannot get annotations";
824 if (get_annotation_rows(d) != SRD_OK) {
825 fail_txt = "cannot get annotation rows";
829 if (get_binary_classes(d) != SRD_OK) {
830 fail_txt = "cannot get binary classes";
834 PyGILState_Release(gstate);
836 /* Append it to the list of loaded decoders. */
837 pd_list = g_slist_append(pd_list, d);
842 /* Don't show a message for the "common" directory, it's not a PD. */
843 if (strcmp(module_name, "common")) {
844 srd_exception_catch("Failed to load decoder %s: %s",
845 module_name, fail_txt);
851 srd_err("Failed to load decoder %s: %s", module_name, fail_txt);
853 PyGILState_Release(gstate);
855 return SRD_ERR_PYTHON;
859 * Return a protocol decoder's docstring.
861 * @param dec The loaded protocol decoder.
863 * @return A newly allocated buffer containing the protocol decoder's
864 * documentation. The caller is responsible for free'ing the buffer.
868 SRD_API char *srd_decoder_doc_get(const struct srd_decoder *dec)
872 PyGILState_STATE gstate;
874 if (!srd_check_init())
880 gstate = PyGILState_Ensure();
882 if (!PyObject_HasAttrString(dec->py_mod, "__doc__"))
885 if (!(py_str = PyObject_GetAttrString(dec->py_mod, "__doc__"))) {
886 srd_exception_catch("Failed to get docstring");
891 if (py_str != Py_None)
892 py_str_as_str(py_str, &doc);
895 PyGILState_Release(gstate);
900 PyGILState_Release(gstate);
906 * Unload the specified protocol decoder.
908 * @param dec The struct srd_decoder to be unloaded.
910 * @return SRD_OK upon success, a (negative) error code otherwise.
914 SRD_API int srd_decoder_unload(struct srd_decoder *dec)
916 struct srd_session *sess;
919 if (!srd_check_init())
926 * Since any instances of this decoder need to be released as well,
927 * but they could be anywhere in the stack, just free the entire
928 * stack. A frontend reloading a decoder thus has to restart all
929 * instances, and rebuild the stack.
931 for (l = sessions; l; l = l->next) {
933 srd_inst_free_all(sess);
936 /* Remove the PD from the list of loaded decoders. */
937 pd_list = g_slist_remove(pd_list, dec);
944 static void srd_decoder_load_all_zip_path(char *zip_path)
946 PyObject *zipimport_mod, *zipimporter_class, *zipimporter;
947 PyObject *prefix_obj, *files, *key, *value, *set, *modname;
951 PyGILState_STATE gstate;
953 set = files = prefix_obj = zipimporter = zipimporter_class = NULL;
955 gstate = PyGILState_Ensure();
957 zipimport_mod = py_import_by_name("zipimport");
958 if (zipimport_mod == NULL)
961 zipimporter_class = PyObject_GetAttrString(zipimport_mod, "zipimporter");
962 if (zipimporter_class == NULL)
965 zipimporter = PyObject_CallFunction(zipimporter_class, "s", zip_path);
966 if (zipimporter == NULL)
969 prefix_obj = PyObject_GetAttrString(zipimporter, "prefix");
970 if (prefix_obj == NULL)
973 files = PyObject_GetAttrString(zipimporter, "_files");
974 if (files == NULL || !PyDict_Check(files))
977 set = PySet_New(NULL);
981 if (py_str_as_str(prefix_obj, &prefix) != SRD_OK)
984 prefix_len = strlen(prefix);
986 while (PyDict_Next(files, &pos, &key, &value)) {
988 if (py_str_as_str(key, &path) == SRD_OK) {
989 if (strlen(path) > prefix_len
990 && memcmp(path, prefix, prefix_len) == 0
991 && (slash = strchr(path + prefix_len, '/'))) {
993 modname = PyUnicode_FromStringAndSize(path + prefix_len,
994 slash - (path + prefix_len));
995 if (modname == NULL) {
998 PySet_Add(set, modname);
1007 while ((modname = PySet_Pop(set))) {
1009 if (py_str_as_str(modname, &modname_str) == SRD_OK) {
1010 /* The directory name is the module name (e.g. "i2c"). */
1011 srd_decoder_load(modname_str);
1012 g_free(modname_str);
1020 Py_XDECREF(prefix_obj);
1021 Py_XDECREF(zipimporter);
1022 Py_XDECREF(zipimporter_class);
1023 Py_XDECREF(zipimport_mod);
1025 PyGILState_Release(gstate);
1028 static void srd_decoder_load_all_path(char *path)
1031 const gchar *direntry;
1033 if (!(dir = g_dir_open(path, 0, NULL))) {
1034 /* Not really fatal. Try zipimport method too. */
1035 srd_decoder_load_all_zip_path(path);
1040 * This ignores errors returned by srd_decoder_load(). That
1041 * function will have logged the cause, but in any case we
1042 * want to continue anyway.
1044 while ((direntry = g_dir_read_name(dir)) != NULL) {
1045 /* The directory name is the module name (e.g. "i2c"). */
1046 srd_decoder_load(direntry);
1052 * Load all installed protocol decoders.
1054 * @return SRD_OK upon success, a (negative) error code otherwise.
1058 SRD_API int srd_decoder_load_all(void)
1062 if (!srd_check_init())
1065 for (l = searchpaths; l; l = l->next)
1066 srd_decoder_load_all_path(l->data);
1072 * Unload all loaded protocol decoders.
1074 * @return SRD_OK upon success, a (negative) error code otherwise.
1078 SRD_API int srd_decoder_unload_all(void)
1080 g_slist_foreach(pd_list, (GFunc)srd_decoder_unload, NULL);
1081 g_slist_free(pd_list);