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bc37ae52 JG |
1 | /* |
2 | * trace.c | |
3 | * | |
4 | * Babeltrace CTF IR - Trace | |
5 | * | |
6 | * Copyright 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
7 | * | |
8 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
9 | * | |
10 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
11 | * of this software and associated documentation files (the "Software"), to deal | |
12 | * in the Software without restriction, including without limitation the rights | |
13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
14 | * copies of the Software, and to permit persons to whom the Software is | |
15 | * furnished to do so, subject to the following conditions: | |
16 | * | |
17 | * The above copyright notice and this permission notice shall be included in | |
18 | * all copies or substantial portions of the Software. | |
19 | * | |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
26 | * SOFTWARE. | |
27 | */ | |
28 | ||
29 | #include <babeltrace/ctf-ir/trace-internal.h> | |
30 | #include <babeltrace/ctf-ir/clock-internal.h> | |
31 | #include <babeltrace/ctf-ir/stream-internal.h> | |
32 | #include <babeltrace/ctf-ir/stream-class-internal.h> | |
33 | #include <babeltrace/ctf-writer/functor-internal.h> | |
34 | #include <babeltrace/ctf-ir/event-types-internal.h> | |
654c1444 | 35 | #include <babeltrace/ctf-ir/utils.h> |
bc37ae52 JG |
36 | #include <babeltrace/compiler.h> |
37 | ||
38 | #define DEFAULT_IDENTIFIER_SIZE 128 | |
39 | #define DEFAULT_METADATA_STRING_SIZE 4096 | |
40 | ||
41 | static | |
42 | void environment_variable_destroy(struct environment_variable *var); | |
43 | static | |
44 | void bt_ctf_trace_destroy(struct bt_ctf_ref *ref); | |
45 | static | |
46 | int init_trace_packet_header(struct bt_ctf_trace *trace); | |
47 | ||
bc37ae52 JG |
48 | static |
49 | const unsigned int field_type_aliases_alignments[] = { | |
50 | [FIELD_TYPE_ALIAS_UINT5_T] = 1, | |
51 | [FIELD_TYPE_ALIAS_UINT8_T ... FIELD_TYPE_ALIAS_UINT16_T] = 8, | |
52 | [FIELD_TYPE_ALIAS_UINT27_T] = 1, | |
53 | [FIELD_TYPE_ALIAS_UINT32_T ... FIELD_TYPE_ALIAS_UINT64_T] = 8, | |
54 | }; | |
55 | ||
56 | static | |
57 | const unsigned int field_type_aliases_sizes[] = { | |
58 | [FIELD_TYPE_ALIAS_UINT5_T] = 5, | |
59 | [FIELD_TYPE_ALIAS_UINT8_T] = 8, | |
60 | [FIELD_TYPE_ALIAS_UINT16_T] = 16, | |
61 | [FIELD_TYPE_ALIAS_UINT27_T] = 27, | |
62 | [FIELD_TYPE_ALIAS_UINT32_T] = 32, | |
63 | [FIELD_TYPE_ALIAS_UINT64_T] = 64, | |
64 | }; | |
65 | ||
bc37ae52 JG |
66 | struct bt_ctf_trace *bt_ctf_trace_create(void) |
67 | { | |
68 | struct bt_ctf_trace *trace = NULL; | |
69 | ||
70 | trace = g_new0(struct bt_ctf_trace, 1); | |
71 | if (!trace) { | |
72 | goto error; | |
73 | } | |
74 | ||
75 | bt_ctf_trace_set_byte_order(trace, BT_CTF_BYTE_ORDER_NATIVE); | |
76 | bt_ctf_ref_init(&trace->ref_count); | |
77 | trace->environment = g_ptr_array_new_with_free_func( | |
78 | (GDestroyNotify)environment_variable_destroy); | |
79 | trace->clocks = g_ptr_array_new_with_free_func( | |
80 | (GDestroyNotify)bt_ctf_clock_put); | |
81 | trace->streams = g_ptr_array_new_with_free_func( | |
82 | (GDestroyNotify)bt_ctf_stream_put); | |
83 | trace->stream_classes = g_ptr_array_new_with_free_func( | |
84 | (GDestroyNotify)bt_ctf_stream_class_put); | |
85 | if (!trace->environment || !trace->clocks || | |
86 | !trace->stream_classes || !trace->streams) { | |
87 | goto error_destroy; | |
88 | } | |
89 | ||
90 | /* Generate a trace UUID */ | |
91 | uuid_generate(trace->uuid); | |
92 | if (init_trace_packet_header(trace)) { | |
93 | goto error_destroy; | |
94 | } | |
95 | ||
96 | return trace; | |
97 | ||
98 | error_destroy: | |
99 | bt_ctf_trace_destroy(&trace->ref_count); | |
100 | trace = NULL; | |
101 | error: | |
102 | return trace; | |
103 | } | |
104 | ||
105 | void bt_ctf_trace_destroy(struct bt_ctf_ref *ref) | |
106 | { | |
107 | struct bt_ctf_trace *trace; | |
108 | ||
109 | if (!ref) { | |
110 | return; | |
111 | } | |
112 | ||
113 | trace = container_of(ref, struct bt_ctf_trace, ref_count); | |
114 | if (trace->environment) { | |
115 | g_ptr_array_free(trace->environment, TRUE); | |
116 | } | |
117 | ||
118 | if (trace->clocks) { | |
119 | g_ptr_array_free(trace->clocks, TRUE); | |
120 | } | |
121 | ||
122 | if (trace->streams) { | |
123 | g_ptr_array_free(trace->streams, TRUE); | |
124 | } | |
125 | ||
126 | if (trace->stream_classes) { | |
127 | g_ptr_array_free(trace->stream_classes, TRUE); | |
128 | } | |
129 | ||
d246b111 | 130 | bt_ctf_field_type_put(trace->packet_header_type); |
bc37ae52 JG |
131 | g_free(trace); |
132 | } | |
133 | ||
134 | struct bt_ctf_stream *bt_ctf_trace_create_stream(struct bt_ctf_trace *trace, | |
135 | struct bt_ctf_stream_class *stream_class) | |
136 | { | |
137 | int ret; | |
138 | int stream_class_found = 0; | |
139 | size_t i; | |
140 | struct bt_ctf_stream *stream = NULL; | |
141 | ||
142 | if (!trace || !stream_class) { | |
143 | goto error; | |
144 | } | |
145 | ||
146 | ret = bt_ctf_stream_class_set_byte_order(stream_class, | |
147 | trace->byte_order == LITTLE_ENDIAN ? | |
148 | BT_CTF_BYTE_ORDER_LITTLE_ENDIAN : BT_CTF_BYTE_ORDER_BIG_ENDIAN); | |
149 | if (ret) { | |
150 | goto error; | |
151 | } | |
152 | ||
d246b111 | 153 | stream = bt_ctf_stream_create(stream_class, trace); |
bc37ae52 JG |
154 | if (!stream) { |
155 | goto error; | |
156 | } | |
157 | ||
158 | for (i = 0; i < trace->stream_classes->len; i++) { | |
159 | if (trace->stream_classes->pdata[i] == stream_class) { | |
160 | stream_class_found = 1; | |
161 | } | |
162 | } | |
163 | ||
164 | if (!stream_class_found) { | |
165 | int64_t stream_id = bt_ctf_stream_class_get_id(stream_class); | |
166 | ||
167 | if (stream_id < 0) { | |
168 | /* Try to assign a new stream id */ | |
169 | if (bt_ctf_stream_class_set_id(stream->stream_class, | |
170 | trace->next_stream_id++)) { | |
171 | goto error; | |
172 | } | |
173 | } | |
174 | ||
175 | for (i = 0; i < trace->stream_classes->len; i++) { | |
176 | if (stream_id == bt_ctf_stream_class_get_id( | |
177 | trace->stream_classes->pdata[i])) { | |
178 | /* Duplicate stream id found */ | |
179 | goto error; | |
180 | } | |
181 | } | |
182 | bt_ctf_stream_class_get(stream->stream_class); | |
183 | g_ptr_array_add(trace->stream_classes, stream->stream_class); | |
184 | } | |
185 | ||
186 | bt_ctf_stream_get(stream); | |
187 | g_ptr_array_add(trace->streams, stream); | |
29d9d76c | 188 | bt_ctf_stream_class_freeze(stream_class); |
bc37ae52 JG |
189 | trace->frozen = 1; |
190 | return stream; | |
191 | ||
192 | error: | |
193 | bt_ctf_stream_put(stream); | |
194 | return NULL; | |
195 | } | |
196 | ||
197 | int bt_ctf_trace_add_environment_field(struct bt_ctf_trace *trace, | |
198 | const char *name, | |
199 | const char *value) | |
200 | { | |
201 | struct environment_variable *var = NULL; | |
202 | char *escaped_value = NULL; | |
203 | int ret = 0; | |
204 | ||
654c1444 | 205 | if (!trace || !name || !value || bt_ctf_validate_identifier(name)) { |
bc37ae52 JG |
206 | ret = -1; |
207 | goto error; | |
208 | } | |
209 | ||
210 | if (strchr(name, ' ')) { | |
211 | ret = -1; | |
212 | goto error; | |
213 | } | |
214 | ||
215 | var = g_new0(struct environment_variable, 1); | |
216 | if (!var) { | |
217 | ret = -1; | |
218 | goto error; | |
219 | } | |
220 | ||
221 | escaped_value = g_strescape(value, NULL); | |
222 | if (!escaped_value) { | |
223 | ret = -1; | |
224 | goto error; | |
225 | } | |
226 | ||
227 | var->name = g_string_new(name); | |
228 | var->value = g_string_new(escaped_value); | |
229 | g_free(escaped_value); | |
230 | if (!var->name || !var->value) { | |
231 | ret = -1; | |
232 | goto error; | |
233 | } | |
234 | ||
235 | g_ptr_array_add(trace->environment, var); | |
236 | return ret; | |
237 | ||
238 | error: | |
239 | if (var && var->name) { | |
240 | g_string_free(var->name, TRUE); | |
241 | } | |
242 | ||
243 | if (var && var->value) { | |
244 | g_string_free(var->value, TRUE); | |
245 | } | |
246 | ||
247 | g_free(var); | |
248 | return ret; | |
249 | } | |
250 | ||
251 | int bt_ctf_trace_add_clock(struct bt_ctf_trace *trace, | |
252 | struct bt_ctf_clock *clock) | |
253 | { | |
254 | int ret = 0; | |
255 | struct search_query query = { .value = clock, .found = 0 }; | |
256 | ||
257 | if (!trace || !clock) { | |
258 | ret = -1; | |
259 | goto end; | |
260 | } | |
261 | ||
262 | /* Check for duplicate clocks */ | |
263 | g_ptr_array_foreach(trace->clocks, value_exists, &query); | |
264 | if (query.found) { | |
265 | ret = -1; | |
266 | goto end; | |
267 | } | |
268 | ||
269 | bt_ctf_clock_get(clock); | |
270 | g_ptr_array_add(trace->clocks, clock); | |
271 | end: | |
272 | return ret; | |
273 | } | |
274 | ||
884cd6c3 JG |
275 | int bt_ctf_trace_get_clock_count(struct bt_ctf_trace *trace) |
276 | { | |
277 | int ret = -1; | |
278 | ||
279 | if (!trace) { | |
280 | goto end; | |
281 | } | |
282 | ||
283 | ret = trace->clocks->len; | |
284 | end: | |
285 | return ret; | |
286 | } | |
287 | ||
288 | struct bt_ctf_clock *bt_ctf_trace_get_clock(struct bt_ctf_trace *trace, | |
289 | int index) | |
290 | { | |
291 | struct bt_ctf_clock *clock = NULL; | |
292 | ||
293 | if (!trace || index < 0 || index >= trace->clocks->len) { | |
294 | goto end; | |
295 | } | |
296 | ||
297 | clock = g_ptr_array_index(trace->clocks, index); | |
298 | bt_ctf_clock_get(clock); | |
299 | end: | |
300 | return clock; | |
301 | } | |
302 | ||
bc37ae52 JG |
303 | BT_HIDDEN |
304 | const char *get_byte_order_string(int byte_order) | |
305 | { | |
306 | const char *string; | |
307 | ||
308 | switch (byte_order) { | |
309 | case LITTLE_ENDIAN: | |
310 | string = "le"; | |
311 | break; | |
312 | case BIG_ENDIAN: | |
313 | string = "be"; | |
314 | break; | |
315 | default: | |
316 | string = "unknown"; | |
317 | break; | |
318 | } | |
319 | ||
320 | return string; | |
321 | } | |
322 | ||
323 | static | |
324 | int append_trace_metadata(struct bt_ctf_trace *trace, | |
325 | struct metadata_context *context) | |
326 | { | |
327 | unsigned char *uuid = trace->uuid; | |
328 | int ret; | |
329 | ||
330 | g_string_append(context->string, "trace {\n"); | |
331 | ||
332 | g_string_append(context->string, "\tmajor = 1;\n"); | |
333 | g_string_append(context->string, "\tminor = 8;\n"); | |
334 | ||
335 | g_string_append_printf(context->string, | |
336 | "\tuuid = \"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\";\n", | |
337 | uuid[0], uuid[1], uuid[2], uuid[3], | |
338 | uuid[4], uuid[5], uuid[6], uuid[7], | |
339 | uuid[8], uuid[9], uuid[10], uuid[11], | |
340 | uuid[12], uuid[13], uuid[14], uuid[15]); | |
341 | g_string_append_printf(context->string, "\tbyte_order = %s;\n", | |
342 | get_byte_order_string(trace->byte_order)); | |
343 | ||
344 | g_string_append(context->string, "\tpacket.header := "); | |
345 | context->current_indentation_level++; | |
346 | g_string_assign(context->field_name, ""); | |
d246b111 | 347 | ret = bt_ctf_field_type_serialize(trace->packet_header_type, |
bc37ae52 JG |
348 | context); |
349 | if (ret) { | |
350 | goto end; | |
351 | } | |
352 | context->current_indentation_level--; | |
353 | ||
354 | g_string_append(context->string, ";\n};\n\n"); | |
355 | end: | |
356 | return ret; | |
357 | } | |
358 | ||
359 | static | |
360 | void append_env_field_metadata(struct environment_variable *var, | |
361 | struct metadata_context *context) | |
362 | { | |
363 | g_string_append_printf(context->string, "\t%s = \"%s\";\n", | |
364 | var->name->str, var->value->str); | |
365 | } | |
366 | ||
367 | static | |
368 | void append_env_metadata(struct bt_ctf_trace *trace, | |
369 | struct metadata_context *context) | |
370 | { | |
371 | if (trace->environment->len == 0) { | |
372 | return; | |
373 | } | |
374 | ||
375 | g_string_append(context->string, "env {\n"); | |
376 | g_ptr_array_foreach(trace->environment, | |
377 | (GFunc)append_env_field_metadata, context); | |
378 | g_string_append(context->string, "};\n\n"); | |
379 | } | |
380 | ||
381 | char *bt_ctf_trace_get_metadata_string(struct bt_ctf_trace *trace) | |
382 | { | |
383 | char *metadata = NULL; | |
384 | struct metadata_context *context = NULL; | |
385 | int err = 0; | |
386 | size_t i; | |
387 | ||
388 | if (!trace) { | |
389 | goto end; | |
390 | } | |
391 | ||
392 | context = g_new0(struct metadata_context, 1); | |
393 | if (!context) { | |
394 | goto end; | |
395 | } | |
396 | ||
397 | context->field_name = g_string_sized_new(DEFAULT_IDENTIFIER_SIZE); | |
398 | context->string = g_string_sized_new(DEFAULT_METADATA_STRING_SIZE); | |
399 | g_string_append(context->string, "/* CTF 1.8 */\n\n"); | |
400 | if (append_trace_metadata(trace, context)) { | |
401 | goto error; | |
402 | } | |
403 | append_env_metadata(trace, context); | |
404 | g_ptr_array_foreach(trace->clocks, | |
405 | (GFunc)bt_ctf_clock_serialize, context); | |
406 | ||
407 | for (i = 0; i < trace->stream_classes->len; i++) { | |
408 | err = bt_ctf_stream_class_serialize( | |
409 | trace->stream_classes->pdata[i], context); | |
410 | if (err) { | |
411 | goto error; | |
412 | } | |
413 | } | |
414 | ||
415 | metadata = context->string->str; | |
416 | error: | |
417 | g_string_free(context->string, err ? TRUE : FALSE); | |
418 | g_string_free(context->field_name, TRUE); | |
419 | g_free(context); | |
420 | end: | |
421 | return metadata; | |
422 | } | |
423 | ||
424 | int bt_ctf_trace_set_byte_order(struct bt_ctf_trace *trace, | |
425 | enum bt_ctf_byte_order byte_order) | |
426 | { | |
427 | int ret = 0; | |
428 | int internal_byte_order; | |
429 | ||
430 | if (!trace || trace->frozen) { | |
431 | ret = -1; | |
432 | goto end; | |
433 | } | |
434 | ||
435 | switch (byte_order) { | |
436 | case BT_CTF_BYTE_ORDER_NATIVE: | |
437 | internal_byte_order = (G_BYTE_ORDER == G_LITTLE_ENDIAN) ? | |
438 | LITTLE_ENDIAN : BIG_ENDIAN; | |
439 | break; | |
440 | case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN: | |
441 | internal_byte_order = LITTLE_ENDIAN; | |
442 | break; | |
443 | case BT_CTF_BYTE_ORDER_BIG_ENDIAN: | |
444 | case BT_CTF_BYTE_ORDER_NETWORK: | |
445 | internal_byte_order = BIG_ENDIAN; | |
446 | break; | |
447 | default: | |
448 | ret = -1; | |
449 | goto end; | |
450 | } | |
451 | ||
452 | trace->byte_order = internal_byte_order; | |
d246b111 | 453 | if (trace->packet_header_type) { |
bc37ae52 JG |
454 | init_trace_packet_header(trace); |
455 | } | |
456 | end: | |
457 | return ret; | |
458 | } | |
459 | ||
d246b111 JG |
460 | struct bt_ctf_field_type *bt_ctf_trace_get_packet_header_type( |
461 | struct bt_ctf_trace *trace) | |
462 | { | |
463 | struct bt_ctf_field_type *field_type = NULL; | |
464 | ||
465 | if (!trace) { | |
466 | goto end; | |
467 | } | |
468 | ||
469 | bt_ctf_field_type_get(trace->packet_header_type); | |
470 | field_type = trace->packet_header_type; | |
471 | end: | |
472 | return field_type; | |
473 | } | |
474 | ||
475 | int bt_ctf_trace_set_packet_header_type(struct bt_ctf_trace *trace, | |
476 | struct bt_ctf_field_type *packet_header_type) | |
477 | { | |
478 | int ret = 0; | |
479 | ||
480 | if (!trace || !packet_header_type || trace->frozen) { | |
481 | ret = -1; | |
482 | goto end; | |
483 | } | |
484 | ||
485 | /* packet_header_type must be a structure */ | |
486 | if (bt_ctf_field_type_get_type_id(packet_header_type) != | |
487 | CTF_TYPE_STRUCT) { | |
488 | ret = -1; | |
489 | goto end; | |
490 | } | |
491 | ||
492 | bt_ctf_field_type_get(packet_header_type); | |
493 | bt_ctf_field_type_put(trace->packet_header_type); | |
494 | trace->packet_header_type = packet_header_type; | |
495 | end: | |
496 | return ret; | |
497 | } | |
498 | ||
bc37ae52 JG |
499 | void bt_ctf_trace_get(struct bt_ctf_trace *trace) |
500 | { | |
501 | if (!trace) { | |
502 | return; | |
503 | } | |
504 | ||
505 | bt_ctf_ref_get(&trace->ref_count); | |
506 | } | |
507 | ||
508 | void bt_ctf_trace_put(struct bt_ctf_trace *trace) | |
509 | { | |
510 | if (!trace) { | |
511 | return; | |
512 | } | |
513 | ||
514 | bt_ctf_ref_put(&trace->ref_count, bt_ctf_trace_destroy); | |
515 | } | |
516 | ||
bc37ae52 JG |
517 | BT_HIDDEN |
518 | struct bt_ctf_field_type *get_field_type(enum field_type_alias alias) | |
519 | { | |
520 | unsigned int alignment, size; | |
521 | struct bt_ctf_field_type *field_type; | |
522 | ||
523 | if (alias >= NR_FIELD_TYPE_ALIAS) { | |
524 | return NULL; | |
525 | } | |
526 | ||
527 | alignment = field_type_aliases_alignments[alias]; | |
528 | size = field_type_aliases_sizes[alias]; | |
529 | field_type = bt_ctf_field_type_integer_create(size); | |
530 | bt_ctf_field_type_set_alignment(field_type, alignment); | |
531 | return field_type; | |
532 | } | |
533 | ||
534 | static | |
535 | int init_trace_packet_header(struct bt_ctf_trace *trace) | |
536 | { | |
bc37ae52 | 537 | int ret = 0; |
d246b111 | 538 | struct bt_ctf_field *magic = NULL, *uuid_array = NULL; |
bc37ae52 JG |
539 | struct bt_ctf_field_type *_uint32_t = |
540 | get_field_type(FIELD_TYPE_ALIAS_UINT32_T); | |
541 | struct bt_ctf_field_type *_uint8_t = | |
542 | get_field_type(FIELD_TYPE_ALIAS_UINT8_T); | |
543 | struct bt_ctf_field_type *trace_packet_header_type = | |
544 | bt_ctf_field_type_structure_create(); | |
545 | struct bt_ctf_field_type *uuid_array_type = | |
546 | bt_ctf_field_type_array_create(_uint8_t, 16); | |
547 | ||
548 | if (!trace_packet_header_type || !uuid_array_type) { | |
549 | ret = -1; | |
550 | goto end; | |
551 | } | |
552 | ||
553 | ret = bt_ctf_field_type_set_byte_order(_uint32_t, | |
554 | (trace->byte_order == LITTLE_ENDIAN ? | |
555 | BT_CTF_BYTE_ORDER_LITTLE_ENDIAN : | |
556 | BT_CTF_BYTE_ORDER_BIG_ENDIAN)); | |
557 | if (ret) { | |
558 | goto end; | |
559 | } | |
560 | ||
561 | ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type, | |
562 | _uint32_t, "magic"); | |
563 | if (ret) { | |
564 | goto end; | |
565 | } | |
566 | ||
567 | ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type, | |
568 | uuid_array_type, "uuid"); | |
569 | if (ret) { | |
570 | goto end; | |
571 | } | |
572 | ||
573 | ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type, | |
574 | _uint32_t, "stream_id"); | |
575 | if (ret) { | |
576 | goto end; | |
577 | } | |
578 | ||
d246b111 JG |
579 | bt_ctf_field_type_put(trace->packet_header_type); |
580 | trace->packet_header_type = trace_packet_header_type; | |
bc37ae52 JG |
581 | end: |
582 | bt_ctf_field_type_put(uuid_array_type); | |
583 | bt_ctf_field_type_put(_uint32_t); | |
584 | bt_ctf_field_type_put(_uint8_t); | |
585 | bt_ctf_field_put(magic); | |
586 | bt_ctf_field_put(uuid_array); | |
587 | if (ret) { | |
588 | bt_ctf_field_type_put(trace_packet_header_type); | |
bc37ae52 JG |
589 | } |
590 | ||
591 | return ret; | |
592 | } | |
593 | ||
594 | static | |
595 | void environment_variable_destroy(struct environment_variable *var) | |
596 | { | |
597 | g_string_free(var->name, TRUE); | |
598 | g_string_free(var->value, TRUE); | |
599 | g_free(var); | |
600 | } |