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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com> | |
5 | * Copyright (C) 2012 Peter Stuge <peter@stuge.se> | |
6 | * | |
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. | |
11 | * | |
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. | |
16 | * | |
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/>. | |
19 | */ | |
20 | ||
21 | #include <config.h> | |
22 | #include <glib.h> | |
23 | #ifdef _WIN32 | |
24 | #include <winsock2.h> | |
25 | #endif | |
26 | #include <libsigrok/libsigrok.h> | |
27 | #include "libsigrok-internal.h" | |
28 | ||
29 | /** @cond PRIVATE */ | |
30 | #define LOG_PREFIX "backend" | |
31 | /** @endcond */ | |
32 | ||
33 | /** | |
34 | * @mainpage libsigrok API | |
35 | * | |
36 | * @section sec_intro Introduction | |
37 | * | |
38 | * The <a href="http://sigrok.org">sigrok</a> project aims at creating a | |
39 | * portable, cross-platform, Free/Libre/Open-Source signal analysis software | |
40 | * suite that supports various device types (such as logic analyzers, | |
41 | * oscilloscopes, multimeters, and more). | |
42 | * | |
43 | * <a href="http://sigrok.org/wiki/Libsigrok">libsigrok</a> is a shared | |
44 | * library written in C which provides the basic API for talking to | |
45 | * <a href="http://sigrok.org/wiki/Supported_hardware">supported hardware</a> | |
46 | * and reading/writing the acquired data into various | |
47 | * <a href="http://sigrok.org/wiki/Input_output_formats">input/output | |
48 | * file formats</a>. | |
49 | * | |
50 | * @section sec_api API reference | |
51 | * | |
52 | * See the "Modules" page for an introduction to various libsigrok | |
53 | * related topics and the detailed API documentation of the respective | |
54 | * functions. | |
55 | * | |
56 | * You can also browse the API documentation by file, or review all | |
57 | * data structures. | |
58 | * | |
59 | * @section sec_mailinglists Mailing lists | |
60 | * | |
61 | * There is one mailing list for sigrok/libsigrok: <a href="https://lists.sourceforge.net/lists/listinfo/sigrok-devel">sigrok-devel</a>. | |
62 | * | |
63 | * @section sec_irc IRC | |
64 | * | |
65 | * You can find the sigrok developers in the | |
66 | * <a href="irc://chat.freenode.net/sigrok">\#sigrok</a> | |
67 | * IRC channel on Freenode. | |
68 | * | |
69 | * @section sec_website Website | |
70 | * | |
71 | * <a href="http://sigrok.org/wiki/Libsigrok">sigrok.org/wiki/Libsigrok</a> | |
72 | */ | |
73 | ||
74 | /** | |
75 | * @file | |
76 | * | |
77 | * Initializing and shutting down libsigrok. | |
78 | */ | |
79 | ||
80 | /** | |
81 | * @defgroup grp_init Initialization | |
82 | * | |
83 | * Initializing and shutting down libsigrok. | |
84 | * | |
85 | * Before using any of the libsigrok functionality (except for | |
86 | * sr_log_loglevel_set()), sr_init() must be called to initialize the | |
87 | * library, which will return a struct sr_context when the initialization | |
88 | * was successful. | |
89 | * | |
90 | * When libsigrok functionality is no longer needed, sr_exit() should be | |
91 | * called, which will (among other things) free the struct sr_context. | |
92 | * | |
93 | * Example for a minimal program using libsigrok: | |
94 | * | |
95 | * @code{.c} | |
96 | * #include <stdio.h> | |
97 | * #include <libsigrok/libsigrok.h> | |
98 | * | |
99 | * int main(int argc, char **argv) | |
100 | * { | |
101 | * int ret; | |
102 | * struct sr_context *sr_ctx; | |
103 | * | |
104 | * if ((ret = sr_init(&sr_ctx)) != SR_OK) { | |
105 | * printf("Error initializing libsigrok (%s): %s.\n", | |
106 | * sr_strerror_name(ret), sr_strerror(ret)); | |
107 | * return 1; | |
108 | * } | |
109 | * | |
110 | * // Use libsigrok functions here... | |
111 | * | |
112 | * if ((ret = sr_exit(sr_ctx)) != SR_OK) { | |
113 | * printf("Error shutting down libsigrok (%s): %s.\n", | |
114 | * sr_strerror_name(ret), sr_strerror(ret)); | |
115 | * return 1; | |
116 | * } | |
117 | * | |
118 | * return 0; | |
119 | * } | |
120 | * @endcode | |
121 | * | |
122 | * @{ | |
123 | */ | |
124 | ||
125 | SR_API GSList *sr_buildinfo_libs_get(void) | |
126 | { | |
127 | GSList *l = NULL, *m = NULL; | |
128 | #if defined(HAVE_LIBUSB_1_0) && !defined(__FreeBSD__) | |
129 | const struct libusb_version *lv; | |
130 | #endif | |
131 | ||
132 | m = g_slist_append(NULL, g_strdup("glib")); | |
133 | m = g_slist_append(m, g_strdup_printf("%d.%d.%d (rt: %d.%d.%d/%d:%d)", | |
134 | GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION, GLIB_MICRO_VERSION, | |
135 | glib_major_version, glib_minor_version, glib_micro_version, | |
136 | glib_binary_age, glib_interface_age)); | |
137 | l = g_slist_append(l, m); | |
138 | ||
139 | m = g_slist_append(NULL, g_strdup("libzip")); | |
140 | m = g_slist_append(m, g_strdup_printf("%s", CONF_LIBZIP_VERSION)); | |
141 | l = g_slist_append(l, m); | |
142 | ||
143 | #ifdef HAVE_LIBSERIALPORT | |
144 | m = g_slist_append(NULL, g_strdup("libserialport")); | |
145 | m = g_slist_append(m, g_strdup_printf("%s/%s (rt: %s/%s)", | |
146 | SP_PACKAGE_VERSION_STRING, SP_LIB_VERSION_STRING, | |
147 | sp_get_package_version_string(), sp_get_lib_version_string())); | |
148 | l = g_slist_append(l, m); | |
149 | #endif | |
150 | #ifdef HAVE_LIBUSB_1_0 | |
151 | m = g_slist_append(NULL, g_strdup("libusb-1.0")); | |
152 | #ifdef __FreeBSD__ | |
153 | m = g_slist_append(m, g_strdup_printf("%s", CONF_LIBUSB_1_0_VERSION)); | |
154 | #else | |
155 | lv = libusb_get_version(); | |
156 | m = g_slist_append(m, g_strdup_printf("%d.%d.%d.%d%s", | |
157 | lv->major, lv->minor, lv->micro, lv->nano, lv->rc)); | |
158 | #endif | |
159 | l = g_slist_append(l, m); | |
160 | #endif | |
161 | #ifdef HAVE_LIBFTDI | |
162 | m = g_slist_append(NULL, g_strdup("libftdi")); | |
163 | m = g_slist_append(m, g_strdup_printf("%s", CONF_LIBFTDI_VERSION)); | |
164 | l = g_slist_append(l, m); | |
165 | #endif | |
166 | #ifdef HAVE_LIBGPIB | |
167 | m = g_slist_append(NULL, g_strdup("libgpib")); | |
168 | m = g_slist_append(m, g_strdup_printf("%s", CONF_LIBGPIB_VERSION)); | |
169 | l = g_slist_append(l, m); | |
170 | #endif | |
171 | #ifdef HAVE_LIBREVISA | |
172 | m = g_slist_append(NULL, g_strdup("librevisa")); | |
173 | m = g_slist_append(m, g_strdup_printf("%s", CONF_LIBREVISA_VERSION)); | |
174 | l = g_slist_append(l, m); | |
175 | #endif | |
176 | ||
177 | return l; | |
178 | } | |
179 | ||
180 | SR_API char *sr_buildinfo_host_get(void) | |
181 | { | |
182 | return g_strdup_printf("%s, %s-endian", CONF_HOST, | |
183 | #ifdef WORDS_BIGENDIAN | |
184 | "big" | |
185 | #else | |
186 | "little" | |
187 | #endif | |
188 | ); | |
189 | } | |
190 | ||
191 | SR_API char *sr_buildinfo_scpi_backends_get(void) | |
192 | { | |
193 | GString *s; | |
194 | char *str; | |
195 | ||
196 | s = g_string_sized_new(200); | |
197 | ||
198 | g_string_append_printf(s, "TCP, "); | |
199 | #if HAVE_RPC | |
200 | g_string_append_printf(s, "RPC, "); | |
201 | #endif | |
202 | #ifdef HAVE_LIBSERIALPORT | |
203 | g_string_append_printf(s, "serial, "); | |
204 | #endif | |
205 | #ifdef HAVE_LIBREVISA | |
206 | g_string_append_printf(s, "VISA, "); | |
207 | #endif | |
208 | #ifdef HAVE_LIBGPIB | |
209 | g_string_append_printf(s, "GPIB, "); | |
210 | #endif | |
211 | #ifdef HAVE_LIBUSB_1_0 | |
212 | g_string_append_printf(s, "USBTMC, "); | |
213 | #endif | |
214 | s->str[s->len - 2] = '\0'; | |
215 | ||
216 | str = g_strdup(s->str); | |
217 | g_string_free(s, TRUE); | |
218 | ||
219 | return str; | |
220 | } | |
221 | ||
222 | static void print_versions(void) | |
223 | { | |
224 | GString *s; | |
225 | GSList *l, *l_orig, *m; | |
226 | char *str; | |
227 | const char *lib, *version; | |
228 | ||
229 | sr_dbg("libsigrok %s/%s (rt: %s/%s).", | |
230 | SR_PACKAGE_VERSION_STRING, SR_LIB_VERSION_STRING, | |
231 | sr_package_version_string_get(), sr_lib_version_string_get()); | |
232 | ||
233 | s = g_string_sized_new(200); | |
234 | g_string_append(s, "Libs: "); | |
235 | l_orig = sr_buildinfo_libs_get(); | |
236 | for (l = l_orig; l; l = l->next) { | |
237 | m = l->data; | |
238 | lib = m->data; | |
239 | version = m->next->data; | |
240 | g_string_append_printf(s, "%s %s, ", lib, version); | |
241 | g_slist_free_full(m, g_free); | |
242 | } | |
243 | g_slist_free(l_orig); | |
244 | s->str[s->len - 2] = '.'; | |
245 | s->str[s->len - 1] = '\0'; | |
246 | sr_dbg("%s", s->str); | |
247 | g_string_free(s, TRUE); | |
248 | ||
249 | str = sr_buildinfo_host_get(); | |
250 | sr_dbg("Host: %s.", str); | |
251 | g_free(str); | |
252 | ||
253 | str = sr_buildinfo_scpi_backends_get(); | |
254 | sr_dbg("SCPI backends: %s.", str); | |
255 | g_free(str); | |
256 | } | |
257 | ||
258 | /** | |
259 | * Sanity-check all libsigrok drivers. | |
260 | * | |
261 | * @param[in] ctx Pointer to a libsigrok context struct. Must not be NULL. | |
262 | * | |
263 | * @retval SR_OK All drivers are OK | |
264 | * @retval SR_ERR One or more drivers have issues. | |
265 | * @retval SR_ERR_ARG Invalid argument. | |
266 | */ | |
267 | static int sanity_check_all_drivers(const struct sr_context *ctx) | |
268 | { | |
269 | int i, errors, ret = SR_OK; | |
270 | struct sr_dev_driver **drivers; | |
271 | const char *d; | |
272 | ||
273 | if (!ctx) | |
274 | return SR_ERR_ARG; | |
275 | ||
276 | sr_spew("Sanity-checking all drivers."); | |
277 | ||
278 | drivers = sr_driver_list(ctx); | |
279 | for (i = 0; drivers[i]; i++) { | |
280 | errors = 0; | |
281 | ||
282 | d = (drivers[i]->name) ? drivers[i]->name : "NULL"; | |
283 | ||
284 | if (!drivers[i]->name) { | |
285 | sr_err("No name in driver %d ('%s').", i, d); | |
286 | errors++; | |
287 | } | |
288 | if (!drivers[i]->longname) { | |
289 | sr_err("No longname in driver %d ('%s').", i, d); | |
290 | errors++; | |
291 | } | |
292 | if (drivers[i]->api_version < 1) { | |
293 | sr_err("API version in driver %d ('%s') < 1.", i, d); | |
294 | errors++; | |
295 | } | |
296 | if (!drivers[i]->init) { | |
297 | sr_err("No init in driver %d ('%s').", i, d); | |
298 | errors++; | |
299 | } | |
300 | if (!drivers[i]->cleanup) { | |
301 | sr_err("No cleanup in driver %d ('%s').", i, d); | |
302 | errors++; | |
303 | } | |
304 | if (!drivers[i]->scan) { | |
305 | sr_err("No scan in driver %d ('%s').", i, d); | |
306 | errors++; | |
307 | } | |
308 | if (!drivers[i]->dev_list) { | |
309 | sr_err("No dev_list in driver %d ('%s').", i, d); | |
310 | errors++; | |
311 | } | |
312 | if (!drivers[i]->dev_clear) { | |
313 | sr_err("No dev_clear in driver %d ('%s').", i, d); | |
314 | errors++; | |
315 | } | |
316 | /* Note: config_get() is optional. */ | |
317 | if (!drivers[i]->config_set) { | |
318 | sr_err("No config_set in driver %d ('%s').", i, d); | |
319 | errors++; | |
320 | } | |
321 | /* Note: config_channel_set() is optional. */ | |
322 | /* Note: config_commit() is optional. */ | |
323 | if (!drivers[i]->config_list) { | |
324 | sr_err("No config_list in driver %d ('%s').", i, d); | |
325 | errors++; | |
326 | } | |
327 | if (!drivers[i]->dev_open) { | |
328 | sr_err("No dev_open in driver %d ('%s').", i, d); | |
329 | errors++; | |
330 | } | |
331 | if (!drivers[i]->dev_close) { | |
332 | sr_err("No dev_close in driver %d ('%s').", i, d); | |
333 | errors++; | |
334 | } | |
335 | if (!drivers[i]->dev_acquisition_start) { | |
336 | sr_err("No dev_acquisition_start in driver %d ('%s').", | |
337 | i, d); | |
338 | errors++; | |
339 | } | |
340 | if (!drivers[i]->dev_acquisition_stop) { | |
341 | sr_err("No dev_acquisition_stop in driver %d ('%s').", | |
342 | i, d); | |
343 | errors++; | |
344 | } | |
345 | ||
346 | /* Note: 'priv' is allowed to be NULL. */ | |
347 | ||
348 | if (errors == 0) | |
349 | continue; | |
350 | ||
351 | ret = SR_ERR; | |
352 | } | |
353 | ||
354 | return ret; | |
355 | } | |
356 | ||
357 | /** | |
358 | * Sanity-check all libsigrok input modules. | |
359 | * | |
360 | * @retval SR_OK All modules are OK | |
361 | * @retval SR_ERR One or more modules have issues. | |
362 | */ | |
363 | static int sanity_check_all_input_modules(void) | |
364 | { | |
365 | int i, errors, ret = SR_OK; | |
366 | const struct sr_input_module **inputs; | |
367 | const char *d; | |
368 | ||
369 | sr_spew("Sanity-checking all input modules."); | |
370 | ||
371 | inputs = sr_input_list(); | |
372 | for (i = 0; inputs[i]; i++) { | |
373 | errors = 0; | |
374 | ||
375 | d = (inputs[i]->id) ? inputs[i]->id : "NULL"; | |
376 | ||
377 | if (!inputs[i]->id) { | |
378 | sr_err("No ID in module %d ('%s').", i, d); | |
379 | errors++; | |
380 | } | |
381 | if (!inputs[i]->name) { | |
382 | sr_err("No name in module %d ('%s').", i, d); | |
383 | errors++; | |
384 | } | |
385 | if (!inputs[i]->desc) { | |
386 | sr_err("No description in module %d ('%s').", i, d); | |
387 | errors++; | |
388 | } | |
389 | if (!inputs[i]->init) { | |
390 | sr_err("No init in module %d ('%s').", i, d); | |
391 | errors++; | |
392 | } | |
393 | if (!inputs[i]->receive) { | |
394 | sr_err("No receive in module %d ('%s').", i, d); | |
395 | errors++; | |
396 | } | |
397 | if (!inputs[i]->end) { | |
398 | sr_err("No end in module %d ('%s').", i, d); | |
399 | errors++; | |
400 | } | |
401 | ||
402 | if (errors == 0) | |
403 | continue; | |
404 | ||
405 | ret = SR_ERR; | |
406 | } | |
407 | ||
408 | return ret; | |
409 | } | |
410 | ||
411 | /** | |
412 | * Sanity-check all libsigrok output modules. | |
413 | * | |
414 | * @retval SR_OK All modules are OK | |
415 | * @retval SR_ERR One or more modules have issues. | |
416 | */ | |
417 | static int sanity_check_all_output_modules(void) | |
418 | { | |
419 | int i, errors, ret = SR_OK; | |
420 | const struct sr_output_module **outputs; | |
421 | const char *d; | |
422 | ||
423 | sr_spew("Sanity-checking all output modules."); | |
424 | ||
425 | outputs = sr_output_list(); | |
426 | for (i = 0; outputs[i]; i++) { | |
427 | errors = 0; | |
428 | ||
429 | d = (outputs[i]->id) ? outputs[i]->id : "NULL"; | |
430 | ||
431 | if (!outputs[i]->id) { | |
432 | sr_err("No ID in module %d ('%s').", i, d); | |
433 | errors++; | |
434 | } | |
435 | if (!outputs[i]->name) { | |
436 | sr_err("No name in module %d ('%s').", i, d); | |
437 | errors++; | |
438 | } | |
439 | if (!outputs[i]->desc) { | |
440 | sr_err("No description in module '%s'.", d); | |
441 | errors++; | |
442 | } | |
443 | if (!outputs[i]->receive) { | |
444 | sr_err("No receive in module '%s'.", d); | |
445 | errors++; | |
446 | } | |
447 | ||
448 | if (errors == 0) | |
449 | continue; | |
450 | ||
451 | ret = SR_ERR; | |
452 | } | |
453 | ||
454 | return ret; | |
455 | } | |
456 | ||
457 | /** | |
458 | * Sanity-check all libsigrok transform modules. | |
459 | * | |
460 | * @retval SR_OK All modules are OK | |
461 | * @retval SR_ERR One or more modules have issues. | |
462 | */ | |
463 | static int sanity_check_all_transform_modules(void) | |
464 | { | |
465 | int i, errors, ret = SR_OK; | |
466 | const struct sr_transform_module **transforms; | |
467 | const char *d; | |
468 | ||
469 | sr_spew("Sanity-checking all transform modules."); | |
470 | ||
471 | transforms = sr_transform_list(); | |
472 | for (i = 0; transforms[i]; i++) { | |
473 | errors = 0; | |
474 | ||
475 | d = (transforms[i]->id) ? transforms[i]->id : "NULL"; | |
476 | ||
477 | if (!transforms[i]->id) { | |
478 | sr_err("No ID in module %d ('%s').", i, d); | |
479 | errors++; | |
480 | } | |
481 | if (!transforms[i]->name) { | |
482 | sr_err("No name in module %d ('%s').", i, d); | |
483 | errors++; | |
484 | } | |
485 | if (!transforms[i]->desc) { | |
486 | sr_err("No description in module '%s'.", d); | |
487 | errors++; | |
488 | } | |
489 | /* Note: options() is optional. */ | |
490 | /* Note: init() is optional. */ | |
491 | if (!transforms[i]->receive) { | |
492 | sr_err("No receive in module '%s'.", d); | |
493 | errors++; | |
494 | } | |
495 | /* Note: cleanup() is optional. */ | |
496 | ||
497 | if (errors == 0) | |
498 | continue; | |
499 | ||
500 | ret = SR_ERR; | |
501 | } | |
502 | ||
503 | return ret; | |
504 | } | |
505 | ||
506 | /** | |
507 | * Initialize libsigrok. | |
508 | * | |
509 | * This function must be called before any other libsigrok function. | |
510 | * | |
511 | * @param ctx Pointer to a libsigrok context struct pointer. Must not be NULL. | |
512 | * This will be a pointer to a newly allocated libsigrok context | |
513 | * object upon success, and is undefined upon errors. | |
514 | * | |
515 | * @return SR_OK upon success, a (negative) error code otherwise. Upon errors | |
516 | * the 'ctx' pointer is undefined and should not be used. Upon success, | |
517 | * the context will be free'd by sr_exit() as part of the libsigrok | |
518 | * shutdown. | |
519 | * | |
520 | * @since 0.2.0 | |
521 | */ | |
522 | SR_API int sr_init(struct sr_context **ctx) | |
523 | { | |
524 | int ret = SR_ERR; | |
525 | struct sr_context *context; | |
526 | #ifdef _WIN32 | |
527 | WSADATA wsadata; | |
528 | #endif | |
529 | ||
530 | print_versions(); | |
531 | ||
532 | if (!ctx) { | |
533 | sr_err("%s(): libsigrok context was NULL.", __func__); | |
534 | return SR_ERR; | |
535 | } | |
536 | ||
537 | context = g_malloc0(sizeof(struct sr_context)); | |
538 | ||
539 | sr_drivers_init(context); | |
540 | ||
541 | if (sanity_check_all_drivers(context) < 0) { | |
542 | sr_err("Internal driver error(s), aborting."); | |
543 | goto done; | |
544 | } | |
545 | ||
546 | if (sanity_check_all_input_modules() < 0) { | |
547 | sr_err("Internal input module error(s), aborting."); | |
548 | goto done; | |
549 | } | |
550 | ||
551 | if (sanity_check_all_output_modules() < 0) { | |
552 | sr_err("Internal output module error(s), aborting."); | |
553 | goto done; | |
554 | } | |
555 | ||
556 | if (sanity_check_all_transform_modules() < 0) { | |
557 | sr_err("Internal transform module error(s), aborting."); | |
558 | goto done; | |
559 | } | |
560 | ||
561 | #ifdef _WIN32 | |
562 | if ((ret = WSAStartup(MAKEWORD(2, 2), &wsadata)) != 0) { | |
563 | sr_err("WSAStartup failed with error code %d.", ret); | |
564 | ret = SR_ERR; | |
565 | goto done; | |
566 | } | |
567 | #endif | |
568 | ||
569 | #ifdef HAVE_LIBUSB_1_0 | |
570 | ret = libusb_init(&context->libusb_ctx); | |
571 | if (LIBUSB_SUCCESS != ret) { | |
572 | sr_err("libusb_init() returned %s.", libusb_error_name(ret)); | |
573 | ret = SR_ERR; | |
574 | goto done; | |
575 | } | |
576 | #endif | |
577 | sr_resource_set_hooks(context, NULL, NULL, NULL, NULL); | |
578 | ||
579 | *ctx = context; | |
580 | context = NULL; | |
581 | ret = SR_OK; | |
582 | ||
583 | done: | |
584 | g_free(context); | |
585 | return ret; | |
586 | } | |
587 | ||
588 | /** | |
589 | * Shutdown libsigrok. | |
590 | * | |
591 | * @param ctx Pointer to a libsigrok context struct. Must not be NULL. | |
592 | * | |
593 | * @retval SR_OK Success | |
594 | * @retval other Error code SR_ERR, ... | |
595 | * | |
596 | * @since 0.2.0 | |
597 | */ | |
598 | SR_API int sr_exit(struct sr_context *ctx) | |
599 | { | |
600 | if (!ctx) { | |
601 | sr_err("%s(): libsigrok context was NULL.", __func__); | |
602 | return SR_ERR; | |
603 | } | |
604 | ||
605 | sr_hw_cleanup_all(ctx); | |
606 | ||
607 | #ifdef _WIN32 | |
608 | WSACleanup(); | |
609 | #endif | |
610 | ||
611 | #ifdef HAVE_LIBUSB_1_0 | |
612 | libusb_exit(ctx->libusb_ctx); | |
613 | #endif | |
614 | ||
615 | g_free(sr_driver_list(ctx)); | |
616 | g_free(ctx); | |
617 | ||
618 | return SR_OK; | |
619 | } | |
620 | ||
621 | /** @} */ |