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d76ed9a9 AS |
1 | /* saxdb.c - srvx database manager |
2 | * Copyright 2002-2004 srvx Development Team | |
3 | * | |
83ff05c3 | 4 | * This file is part of x3. |
d76ed9a9 | 5 | * |
d0f04f71 | 6 | * x3 is free software; you can redistribute it and/or modify |
d76ed9a9 AS |
7 | * it under the terms of the GNU General Public License as published by |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with srvx; if not, write to the Free Software Foundation, | |
18 | * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. | |
19 | */ | |
20 | ||
21 | #include "conf.h" | |
22 | #include "hash.h" | |
23 | #include "modcmd.h" | |
24 | #include "saxdb.h" | |
25 | #include "timeq.h" | |
26 | ||
27 | DEFINE_LIST(int_list, int); | |
28 | ||
29 | struct saxdb { | |
30 | char *name; | |
31 | char *filename; | |
32 | char *mondo_section; | |
33 | saxdb_reader_func_t *reader; | |
34 | saxdb_writer_func_t *writer; | |
35 | unsigned int write_interval; | |
36 | time_t last_write; | |
37 | unsigned int last_write_duration; | |
38 | struct saxdb *prev; | |
39 | }; | |
40 | ||
41 | #define COMPLEX(CTX) ((CTX)->complex.used ? ((CTX)->complex.list[(CTX)->complex.used-1]) : 1) | |
42 | ||
43 | static struct saxdb *last_db; | |
44 | static struct dict *saxdbs; /* -> struct saxdb */ | |
45 | static struct dict *mondo_db; | |
46 | static struct module *saxdb_module; | |
47 | ||
48 | static SAXDB_WRITER(saxdb_mondo_writer); | |
49 | static void saxdb_timed_write(void *data); | |
50 | ||
51 | static void | |
52 | saxdb_read_db(struct saxdb *db) { | |
53 | struct dict *data; | |
54 | ||
55 | assert(db); | |
56 | assert(db->filename); | |
57 | data = parse_database(db->filename); | |
58 | if (!data) | |
59 | return; | |
60 | if (db->writer == saxdb_mondo_writer) { | |
61 | mondo_db = data; | |
62 | } else { | |
63 | db->reader(data); | |
64 | free_database(data); | |
65 | } | |
66 | } | |
67 | ||
68 | struct saxdb * | |
69 | saxdb_register(const char *name, saxdb_reader_func_t *reader, saxdb_writer_func_t *writer) { | |
70 | struct saxdb *db; | |
71 | struct dict *conf; | |
72 | int ii; | |
73 | const char *filename = NULL, *str; | |
74 | char conf_path[MAXLEN]; | |
75 | ||
76 | db = calloc(1, sizeof(*db)); | |
77 | db->name = strdup(name); | |
78 | db->reader = reader; | |
79 | db->writer = writer; | |
80 | /* Look up configuration */ | |
81 | sprintf(conf_path, "dbs/%s", name); | |
82 | if ((conf = conf_get_data(conf_path, RECDB_OBJECT))) { | |
83 | if ((str = database_get_data(conf, "mondo_section", RECDB_QSTRING))) { | |
84 | db->mondo_section = strdup(str); | |
85 | } | |
86 | str = database_get_data(conf, "frequency", RECDB_QSTRING); | |
87 | db->write_interval = str ? ParseInterval(str) : 1800; | |
88 | filename = database_get_data(conf, "filename", RECDB_QSTRING); | |
89 | } else { | |
90 | db->write_interval = 1800; | |
91 | } | |
92 | /* Schedule database writes */ | |
93 | if (db->write_interval && !db->mondo_section) { | |
94 | timeq_add(now + db->write_interval, saxdb_timed_write, db); | |
95 | } | |
96 | /* Insert filename */ | |
97 | if (filename) { | |
98 | db->filename = strdup(filename); | |
99 | } else { | |
100 | db->filename = malloc(strlen(db->name)+4); | |
101 | for (ii=0; db->name[ii]; ++ii) db->filename[ii] = tolower(db->name[ii]); | |
102 | strcpy(db->filename+ii, ".db"); | |
103 | } | |
104 | /* Read from disk (or mondo DB) */ | |
105 | if (db->mondo_section) { | |
106 | if (mondo_db && (conf = database_get_data(mondo_db, db->mondo_section, RECDB_OBJECT))) { | |
107 | db->reader(conf); | |
108 | } | |
109 | } else { | |
110 | saxdb_read_db(db); | |
111 | } | |
112 | /* Remember the database */ | |
113 | dict_insert(saxdbs, db->name, db); | |
114 | db->prev = last_db; | |
115 | last_db = db; | |
116 | return db; | |
117 | } | |
118 | ||
119 | static int | |
120 | saxdb_write_db(struct saxdb *db) { | |
121 | struct saxdb_context ctx; | |
122 | char tmp_fname[MAXLEN]; | |
123 | int res, res2; | |
124 | time_t start, finish; | |
125 | ||
126 | assert(db->filename); | |
127 | sprintf(tmp_fname, "%s.new", db->filename); | |
128 | memset(&ctx, 0, sizeof(ctx)); | |
129 | ctx.output = fopen(tmp_fname, "w+"); | |
130 | int_list_init(&ctx.complex); | |
131 | if (!ctx.output) { | |
132 | log_module(MAIN_LOG, LOG_ERROR, "Unable to write to %s: %s", tmp_fname, strerror(errno)); | |
133 | int_list_clean(&ctx.complex); | |
134 | return 1; | |
135 | } | |
136 | start = time(NULL); | |
137 | if ((res = setjmp(ctx.jbuf)) || (res2 = db->writer(&ctx))) { | |
138 | if (res) { | |
139 | log_module(MAIN_LOG, LOG_ERROR, "Error writing to %s: %s", tmp_fname, strerror(res)); | |
140 | } else { | |
141 | log_module(MAIN_LOG, LOG_ERROR, "Internal error %d while writing to %s", res2, tmp_fname); | |
142 | } | |
143 | int_list_clean(&ctx.complex); | |
144 | fclose(ctx.output); | |
145 | remove(tmp_fname); | |
146 | return 2; | |
147 | } | |
148 | finish = time(NULL); | |
149 | assert(ctx.complex.used == 0); | |
150 | int_list_clean(&ctx.complex); | |
151 | fclose(ctx.output); | |
152 | if (rename(tmp_fname, db->filename) < 0) { | |
153 | log_module(MAIN_LOG, LOG_ERROR, "Unable to rename %s to %s: %s", tmp_fname, db->filename, strerror(errno)); | |
154 | } | |
155 | db->last_write = now; | |
156 | db->last_write_duration = finish - start; | |
157 | log_module(MAIN_LOG, LOG_INFO, "Wrote %s database to disk.", db->name); | |
158 | return 0; | |
159 | } | |
160 | ||
161 | static void | |
162 | saxdb_timed_write(void *data) { | |
163 | struct saxdb *db = data; | |
164 | saxdb_write_db(db); | |
165 | timeq_add(now + db->write_interval, saxdb_timed_write, db); | |
166 | } | |
167 | ||
168 | void | |
169 | saxdb_write(const char *db_name) { | |
170 | struct saxdb *db; | |
171 | db = dict_find(saxdbs, db_name, NULL); | |
172 | if (db) saxdb_write_db(db); | |
173 | } | |
174 | ||
175 | void | |
176 | saxdb_write_all(void) { | |
177 | dict_iterator_t it; | |
178 | struct saxdb *db; | |
179 | ||
180 | for (it = dict_first(saxdbs); it; it = iter_next(it)) { | |
181 | db = iter_data(it); | |
182 | if (!db->mondo_section) | |
183 | saxdb_write_db(db); | |
184 | } | |
185 | } | |
186 | ||
187 | #define saxdb_put_char(DEST, CH) do { \ | |
188 | if (fputc(CH, (DEST)->output) == EOF) \ | |
189 | longjmp((DEST)->jbuf, errno); \ | |
190 | } while (0) | |
191 | #define saxdb_put_string(DEST, CH) do { \ | |
192 | if (fputs(CH, (DEST)->output) == EOF) \ | |
193 | longjmp((DEST)->jbuf, errno); \ | |
194 | } while (0) | |
195 | ||
196 | static inline void | |
197 | saxdb_put_nchars(struct saxdb_context *dest, const char *name, int len) { | |
198 | while (len--) | |
199 | if (fputc(*name++, dest->output) == EOF) | |
200 | longjmp(dest->jbuf, errno); | |
201 | } | |
202 | ||
203 | static void | |
204 | saxdb_put_qstring(struct saxdb_context *dest, const char *str) { | |
205 | const char *esc; | |
206 | ||
207 | assert(str); | |
208 | saxdb_put_char(dest, '"'); | |
209 | while ((esc = strpbrk(str, "\\\a\b\t\n\v\f\r\""))) { | |
210 | if (esc != str) | |
211 | saxdb_put_nchars(dest, str, esc-str); | |
212 | saxdb_put_char(dest, '\\'); | |
213 | switch (*esc) { | |
214 | case '\a': saxdb_put_char(dest, 'a'); break; | |
215 | case '\b': saxdb_put_char(dest, 'b'); break; | |
216 | case '\t': saxdb_put_char(dest, 't'); break; | |
217 | case '\n': saxdb_put_char(dest, 'n'); break; | |
218 | case '\v': saxdb_put_char(dest, 'v'); break; | |
219 | case '\f': saxdb_put_char(dest, 'f'); break; | |
220 | case '\r': saxdb_put_char(dest, 'r'); break; | |
221 | case '\\': saxdb_put_char(dest, '\\'); break; | |
222 | case '"': saxdb_put_char(dest, '"'); break; | |
223 | } | |
224 | str = esc + 1; | |
225 | } | |
226 | saxdb_put_string(dest, str); | |
227 | saxdb_put_char(dest, '"'); | |
228 | } | |
229 | ||
230 | #ifndef NDEBUG | |
231 | static void | |
232 | saxdb_pre_object(struct saxdb_context *dest) { | |
233 | unsigned int ii; | |
234 | if (COMPLEX(dest)) { | |
235 | for (ii=0; ii<dest->indent; ++ii) saxdb_put_char(dest, '\t'); | |
236 | } | |
237 | } | |
238 | #else | |
239 | #define saxdb_pre_object(DEST) | |
240 | #endif | |
241 | ||
242 | static inline void | |
243 | saxdb_post_object(struct saxdb_context *dest) { | |
244 | saxdb_put_char(dest, ';'); | |
245 | saxdb_put_char(dest, COMPLEX(dest) ? '\n' : ' '); | |
246 | } | |
247 | ||
248 | void | |
249 | saxdb_start_record(struct saxdb_context *dest, const char *name, int complex) { | |
250 | saxdb_pre_object(dest); | |
251 | saxdb_put_qstring(dest, name); | |
252 | saxdb_put_string(dest, " { "); | |
253 | int_list_append(&dest->complex, complex); | |
254 | if (complex) { | |
255 | dest->indent++; | |
256 | saxdb_put_char(dest, '\n'); | |
257 | } | |
258 | } | |
259 | ||
260 | void | |
261 | saxdb_end_record(struct saxdb_context *dest) { | |
262 | assert(dest->complex.used > 0); | |
263 | if (COMPLEX(dest)) dest->indent--; | |
264 | saxdb_pre_object(dest); | |
265 | dest->complex.used--; | |
266 | saxdb_put_char(dest, '}'); | |
267 | saxdb_post_object(dest); | |
268 | } | |
269 | ||
270 | void | |
271 | saxdb_write_string_list(struct saxdb_context *dest, const char *name, struct string_list *list) { | |
272 | unsigned int ii; | |
273 | ||
274 | saxdb_pre_object(dest); | |
275 | saxdb_put_qstring(dest, name); | |
276 | saxdb_put_string(dest, " ("); | |
277 | if (list->used) { | |
278 | for (ii=0; ii<list->used-1; ++ii) { | |
279 | saxdb_put_qstring(dest, list->list[ii]); | |
280 | saxdb_put_string(dest, ", "); | |
281 | } | |
282 | saxdb_put_qstring(dest, list->list[list->used-1]); | |
283 | } | |
284 | saxdb_put_string(dest, ")"); | |
285 | saxdb_post_object(dest); | |
286 | } | |
287 | ||
288 | void | |
289 | saxdb_write_string(struct saxdb_context *dest, const char *name, const char *value) { | |
290 | saxdb_pre_object(dest); | |
291 | saxdb_put_qstring(dest, name); | |
292 | saxdb_put_char(dest, ' '); | |
293 | saxdb_put_qstring(dest, value); | |
294 | saxdb_post_object(dest); | |
295 | } | |
296 | ||
297 | void | |
298 | saxdb_write_int(struct saxdb_context *dest, const char *name, unsigned long value) { | |
697f4c9a | 299 | char buf[16]; |
d76ed9a9 AS |
300 | /* we could optimize this to take advantage of the fact that buf will never need escapes */ |
301 | snprintf(buf, sizeof(buf), "%lu", value); | |
302 | saxdb_write_string(dest, name, buf); | |
303 | } | |
304 | ||
305 | static void | |
306 | saxdb_free(void *data) { | |
307 | struct saxdb *db = data; | |
308 | free(db->name); | |
309 | free(db->filename); | |
310 | free(db->mondo_section); | |
311 | free(db); | |
312 | } | |
313 | ||
314 | static int | |
315 | saxdb_mondo_read(struct dict *db, struct saxdb *saxdb) { | |
316 | int res; | |
317 | struct dict *subdb; | |
318 | ||
319 | if (saxdb->prev && (res = saxdb_mondo_read(db, saxdb->prev))) return res; | |
320 | if (saxdb->mondo_section | |
321 | && (subdb = database_get_data(db, saxdb->mondo_section, RECDB_OBJECT)) | |
322 | && (res = saxdb->reader(subdb))) { | |
323 | log_module(MAIN_LOG, LOG_INFO, " mondo section read for %s failed: %d", saxdb->mondo_section, res); | |
324 | return res; | |
325 | } | |
326 | return 0; | |
327 | } | |
328 | ||
329 | static SAXDB_READER(saxdb_mondo_reader) { | |
330 | return saxdb_mondo_read(db, last_db); | |
331 | } | |
332 | ||
333 | static int | |
334 | saxdb_mondo_write(struct saxdb_context *ctx, struct saxdb *saxdb) { | |
335 | int res; | |
336 | if (saxdb->prev && (res = saxdb_mondo_write(ctx, saxdb->prev))) return res; | |
337 | if (saxdb->mondo_section) { | |
338 | saxdb_start_record(ctx, saxdb->mondo_section, 1); | |
339 | if ((res = saxdb->writer(ctx))) { | |
340 | log_module(MAIN_LOG, LOG_INFO, " mondo section write for %s failed: %d", saxdb->mondo_section, res); | |
341 | return res; | |
342 | } | |
343 | saxdb_end_record(ctx); | |
344 | /* cheat a little here to put a newline between mondo sections */ | |
345 | saxdb_put_char(ctx, '\n'); | |
346 | } | |
347 | return 0; | |
348 | } | |
349 | ||
350 | static SAXDB_WRITER(saxdb_mondo_writer) { | |
351 | return saxdb_mondo_write(ctx, last_db); | |
352 | } | |
353 | ||
354 | static MODCMD_FUNC(cmd_write) { | |
355 | struct timeval start, stop; | |
356 | unsigned int ii, written; | |
357 | struct saxdb *db; | |
358 | ||
359 | assert(argc >= 2); | |
360 | written = 0; | |
361 | for (ii=1; ii<argc; ++ii) { | |
362 | if (!(db = dict_find(saxdbs, argv[ii], NULL))) { | |
363 | reply("MSG_DB_UNKNOWN", argv[ii]); | |
364 | continue; | |
365 | } | |
366 | if (db->mondo_section) { | |
367 | reply("MSG_DB_IS_MONDO", db->name); | |
368 | continue; | |
369 | } | |
370 | gettimeofday(&start, NULL); | |
371 | if (saxdb_write_db(db)) { | |
372 | reply("MSG_DB_WRITE_ERROR", db->name); | |
373 | } else { | |
374 | gettimeofday(&stop, NULL); | |
375 | stop.tv_sec -= start.tv_sec; | |
376 | stop.tv_usec -= start.tv_usec; | |
377 | if (stop.tv_usec < 0) { | |
378 | stop.tv_sec -= 1; | |
379 | stop.tv_usec += 1000000; | |
380 | } | |
381 | reply("MSG_DB_WROTE_DB", db->name, stop.tv_sec, stop.tv_usec); | |
382 | written++; | |
383 | } | |
384 | } | |
385 | return written; | |
386 | } | |
387 | ||
388 | static MODCMD_FUNC(cmd_writeall) { | |
389 | struct timeval start, stop; | |
390 | ||
391 | gettimeofday(&start, NULL); | |
392 | saxdb_write_all(); | |
393 | gettimeofday(&stop, NULL); | |
394 | stop.tv_sec -= start.tv_sec; | |
395 | stop.tv_usec -= start.tv_usec; | |
396 | if (stop.tv_usec < 0) { | |
397 | stop.tv_sec -= 1; | |
398 | stop.tv_usec += 1000000; | |
399 | } | |
400 | reply("MSG_DB_WROTE_ALL", stop.tv_sec, stop.tv_usec); | |
401 | return 1; | |
402 | } | |
403 | ||
404 | static MODCMD_FUNC(cmd_stats_databases) { | |
405 | struct helpfile_table tbl; | |
406 | dict_iterator_t it; | |
407 | unsigned int ii; | |
408 | ||
409 | tbl.length = dict_size(saxdbs) + 1; | |
410 | tbl.width = 5; | |
411 | tbl.flags = TABLE_NO_FREE; | |
412 | tbl.contents = calloc(tbl.length, sizeof(tbl.contents[0])); | |
413 | tbl.contents[0] = calloc(tbl.width, sizeof(tbl.contents[0][0])); | |
414 | tbl.contents[0][0] = "Database"; | |
415 | tbl.contents[0][1] = "Filename/Section"; | |
416 | tbl.contents[0][2] = "Interval"; | |
417 | tbl.contents[0][3] = "Last Written"; | |
418 | tbl.contents[0][4] = "Last Duration"; | |
419 | for (ii=1, it=dict_first(saxdbs); it; it=iter_next(it), ++ii) { | |
420 | struct saxdb *db = iter_data(it); | |
421 | char *buf = malloc(INTERVALLEN*3); | |
422 | tbl.contents[ii] = calloc(tbl.width, sizeof(tbl.contents[ii][0])); | |
423 | tbl.contents[ii][0] = db->name; | |
424 | tbl.contents[ii][1] = db->mondo_section ? db->mondo_section : db->filename; | |
425 | if (db->write_interval) { | |
426 | intervalString(buf, db->write_interval, user->handle_info); | |
427 | } else { | |
428 | strcpy(buf, "Never"); | |
429 | } | |
430 | tbl.contents[ii][2] = buf; | |
431 | if (db->last_write) { | |
432 | intervalString(buf+INTERVALLEN, now - db->last_write, user->handle_info); | |
433 | intervalString(buf+INTERVALLEN*2, db->last_write_duration, user->handle_info); | |
434 | } else { | |
435 | strcpy(buf+INTERVALLEN, "Never"); | |
436 | strcpy(buf+INTERVALLEN*2, "Never"); | |
437 | } | |
438 | tbl.contents[ii][3] = buf+INTERVALLEN; | |
439 | tbl.contents[ii][4] = buf+INTERVALLEN*2; | |
440 | } | |
441 | table_send(cmd->parent->bot, user->nick, 0, 0, tbl); | |
442 | free(tbl.contents[0]); | |
443 | for (ii=1; ii<tbl.length; ++ii) { | |
444 | free((char*)tbl.contents[ii][2]); | |
445 | free(tbl.contents[ii]); | |
446 | } | |
447 | free(tbl.contents); | |
448 | return 0; | |
449 | } | |
450 | ||
451 | static void | |
452 | saxdb_cleanup(void) { | |
453 | dict_delete(saxdbs); | |
454 | } | |
455 | ||
456 | static struct helpfile_expansion | |
457 | saxdb_expand_help(const char *variable) { | |
458 | struct helpfile_expansion exp; | |
459 | if (!strcasecmp(variable, "dblist")) { | |
460 | dict_iterator_t it; | |
461 | struct string_buffer sbuf; | |
462 | struct saxdb *db; | |
463 | ||
464 | exp.type = HF_STRING; | |
465 | string_buffer_init(&sbuf); | |
466 | for (it = dict_first(saxdbs); it; it = iter_next(it)) { | |
467 | db = iter_data(it); | |
468 | if (db->mondo_section) continue; | |
469 | if (sbuf.used) string_buffer_append_string(&sbuf, ", "); | |
470 | string_buffer_append_string(&sbuf, iter_key(it)); | |
471 | } | |
472 | exp.value.str = sbuf.list; | |
473 | } else { | |
474 | exp.type = HF_STRING; | |
475 | exp.value.str = NULL; | |
476 | } | |
477 | return exp; | |
478 | } | |
479 | ||
480 | void | |
481 | saxdb_init(void) { | |
482 | reg_exit_func(saxdb_cleanup); | |
483 | saxdbs = dict_new(); | |
484 | dict_set_free_data(saxdbs, saxdb_free); | |
485 | saxdb_register("mondo", saxdb_mondo_reader, saxdb_mondo_writer); | |
486 | saxdb_module = module_register("saxdb", MAIN_LOG, "saxdb.help", saxdb_expand_help); | |
487 | modcmd_register(saxdb_module, "write", cmd_write, 2, MODCMD_REQUIRE_AUTHED, "level", "800", NULL); | |
488 | modcmd_register(saxdb_module, "writeall", cmd_writeall, 0, MODCMD_REQUIRE_AUTHED, "level", "800", NULL); | |
489 | modcmd_register(saxdb_module, "stats databases", cmd_stats_databases, 0, 0, NULL); | |
490 | } | |
491 | ||
492 | void | |
493 | saxdb_finalize(void) { | |
494 | free_database(mondo_db); | |
495 | } | |
496 | ||
497 | static void | |
498 | write_database_helper(struct saxdb_context *ctx, struct dict *db) { | |
499 | dict_iterator_t it; | |
500 | struct record_data *rd; | |
501 | ||
502 | for (it = dict_first(db); it; it = iter_next(it)) { | |
503 | rd = iter_data(it); | |
504 | switch (rd->type) { | |
505 | case RECDB_INVALID: break; | |
506 | case RECDB_QSTRING: saxdb_write_string(ctx, iter_key(it), rd->d.qstring); break; | |
507 | case RECDB_STRING_LIST: saxdb_write_string_list(ctx, iter_key(it), rd->d.slist); break; | |
508 | case RECDB_OBJECT: | |
509 | saxdb_start_record(ctx, iter_key(it), 1); | |
510 | write_database_helper(ctx, rd->d.object); | |
511 | saxdb_end_record(ctx); | |
512 | break; | |
513 | } | |
514 | } | |
515 | } | |
516 | ||
517 | int | |
518 | write_database(FILE *out, struct dict *db) { | |
519 | struct saxdb_context ctx; | |
520 | int res; | |
521 | ||
522 | ctx.output = out; | |
523 | ctx.indent = 0; | |
524 | int_list_init(&ctx.complex); | |
525 | if (!(res = setjmp(ctx.jbuf))) { | |
526 | write_database_helper(&ctx, db); | |
527 | } else { | |
528 | log_module(MAIN_LOG, LOG_ERROR, "Exception %d caught while writing to stream", res); | |
529 | int_list_clean(&ctx.complex); | |
530 | return 1; | |
531 | } | |
532 | assert(ctx.complex.used == 0); | |
533 | int_list_clean(&ctx.complex); | |
534 | return 0; | |
535 | } | |
536 | ||
537 | struct saxdb_context * | |
538 | saxdb_open_context(FILE *file) { | |
539 | struct saxdb_context *ctx; | |
540 | ||
541 | assert(file); | |
542 | ctx = calloc(1, sizeof(*ctx)); | |
543 | ctx->output = file; | |
544 | int_list_init(&ctx->complex); | |
545 | ||
546 | return ctx; | |
547 | } | |
548 | ||
549 | void | |
550 | saxdb_close_context(struct saxdb_context *ctx) { | |
551 | assert(ctx->complex.used == 0); | |
552 | int_list_clean(&ctx->complex); | |
553 | free(ctx); | |
554 | } |