libpurple/signals.c

   1 /**
   2  * @file signals.c Signal API
   3  * @ingroup core
   4  */
   5
   6 /* purple
   7  *
   8  * Purple is the legal property of its developers, whose names are too numerous
   9  * to list here.  Please refer to the COPYRIGHT file distributed with this
  10  * source distribution.
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
  25  */
  26 #include "internal.h"
  27
  28 #include "dbus-maybe.h"
  29 #include "debug.h"
  30 #include "signals.h"
  31 #include "value.h"
  32
  33 /* must include this to use G_VA_COPY */
  34 #include <string.h>
  35
  36 typedef struct
  37 {
  38         void *instance;
  39
  40         GHashTable *signals;
  41         size_t signal_count;
  42
  43         gulong next_signal_id;
  44
  45 } PurpleInstanceData;
  46
  47 typedef struct
  48 {
  49         gulong id;
  50
  51         PurpleSignalMarshalFunc marshal;
  52
  53         int num_values;
  54         PurpleValue **values;
  55         PurpleValue *ret_value;
  56
  57         GList *handlers;
  58         size_t handler_count;
  59
  60         gulong next_handler_id;
  61 } PurpleSignalData;
  62
  63 typedef struct
  64 {
  65         gulong id;
  66         PurpleCallback cb;
  67         void *handle;
  68         void *data;
  69         gboolean use_vargs;
  70         int priority;
  71
  72 } PurpleSignalHandlerData;
  73
  74 static GHashTable *instance_table = NULL;
  75
  76 static void
  77 destroy_instance_data(PurpleInstanceData *instance_data)
  78 {
  79         g_hash_table_destroy(instance_data->signals);
  80
  81         g_free(instance_data);
  82 }
  83
  84 static void
  85 destroy_signal_data(PurpleSignalData *signal_data)
  86 {
  87         g_list_foreach(signal_data->handlers, (GFunc)g_free, NULL);
  88         g_list_free(signal_data->handlers);
  89
  90         if (signal_data->values != NULL)
  91         {
  92                 int i;
  93
  94                 for (i = 0; i < signal_data->num_values; i++)
  95                         purple_value_destroy((PurpleValue *)signal_data->values[i]);
  96
  97                 g_free(signal_data->values);
  98         }
  99
 100         if (signal_data->ret_value != NULL)
 101                 purple_value_destroy(signal_data->ret_value);
 102         g_free(signal_data);
 103 }
 104
 105 gulong
 106 purple_signal_register(void *instance, const char *signal,
 107                                          PurpleSignalMarshalFunc marshal,
 108                                          PurpleValue *ret_value, int num_values, ...)
 109 {
 110         PurpleInstanceData *instance_data;
 111         PurpleSignalData *signal_data;
 112         va_list args;
 113
 114         g_return_val_if_fail(instance != NULL, 0);
 115         g_return_val_if_fail(signal   != NULL, 0);
 116         g_return_val_if_fail(marshal  != NULL, 0);
 117
 118         instance_data =
 119                 (PurpleInstanceData *)g_hash_table_lookup(instance_table, instance);
 120
 121         if (instance_data == NULL)
 122         {
 123                 instance_data = g_new0(PurpleInstanceData, 1);
 124
 125                 instance_data->instance = instance;
 126                 instance_data->next_signal_id = 1;
 127
 128                 instance_data->signals =
 129                         g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
 130                                                                   (GDestroyNotify)destroy_signal_data);
 131
 132                 g_hash_table_insert(instance_table, instance, instance_data);
 133         }
 134
 135         signal_data = g_new0(PurpleSignalData, 1);
 136         signal_data->id              = instance_data->next_signal_id;
 137         signal_data->marshal         = marshal;
 138         signal_data->next_handler_id = 1;
 139         signal_data->ret_value       = ret_value;
 140         signal_data->num_values      = num_values;
 141
 142         if (num_values > 0)
 143         {
 144                 int i;
 145
 146                 signal_data->values = g_new0(PurpleValue *, num_values);
 147
 148                 va_start(args, num_values);
 149
 150                 for (i = 0; i < num_values; i++)
 151                         signal_data->values[i] = va_arg(args, PurpleValue *);
 152
 153                 va_end(args);
 154         }
 155
 156         g_hash_table_insert(instance_data->signals,
 157                                                 g_strdup(signal), signal_data);
 158
 159         instance_data->next_signal_id++;
 160         instance_data->signal_count++;
 161
 162         return signal_data->id;
 163 }
 164
 165 void
 166 purple_signal_unregister(void *instance, const char *signal)
 167 {
 168         PurpleInstanceData *instance_data;
 169
 170         g_return_if_fail(instance != NULL);
 171         g_return_if_fail(signal   != NULL);
 172
 173         instance_data =
 174                 (PurpleInstanceData *)g_hash_table_lookup(instance_table, instance);
 175
 176         g_return_if_fail(instance_data != NULL);
 177
 178         g_hash_table_remove(instance_data->signals, signal);
 179
 180         instance_data->signal_count--;
 181
 182         if (instance_data->signal_count == 0)
 183         {
 184                 /* Unregister the instance. */
 185                 g_hash_table_remove(instance_table, instance);
 186         }
 187 }
 188
 189 void
 190 purple_signals_unregister_by_instance(void *instance)
 191 {
 192         gboolean found;
 193
 194         g_return_if_fail(instance != NULL);
 195
 196         found = g_hash_table_remove(instance_table, instance);
 197
 198         /*
 199          * Makes things easier (more annoying?) for developers who don't have
 200          * things registering and unregistering in the right order :)
 201          */
 202         g_return_if_fail(found);
 203 }
 204
 205 void
 206 purple_signal_get_values(void *instance, const char *signal,
 207                                            PurpleValue **ret_value,
 208                                            int *num_values, PurpleValue ***values)
 209 {
 210         PurpleInstanceData *instance_data;
 211         PurpleSignalData *signal_data;
 212
 213         g_return_if_fail(instance   != NULL);
 214         g_return_if_fail(signal     != NULL);
 215         g_return_if_fail(num_values != NULL);
 216         g_return_if_fail(values     != NULL);
 217
 218         /* Get the instance data */
 219         instance_data =
 220                 (PurpleInstanceData *)g_hash_table_lookup(instance_table, instance);
 221
 222         g_return_if_fail(instance_data != NULL);
 223
 224         /* Get the signal data */
 225         signal_data =
 226                 (PurpleSignalData *)g_hash_table_lookup(instance_data->signals, signal);
 227
 228         g_return_if_fail(signal_data != NULL);
 229
 230         *num_values = signal_data->num_values;
 231         *values     = signal_data->values;
 232
 233         if (ret_value != NULL)
 234                 *ret_value = signal_data->ret_value;
 235 }
 236
 237 static gint handler_priority(void * a, void * b) {
 238         PurpleSignalHandlerData *ah = (PurpleSignalHandlerData*)a;
 239         PurpleSignalHandlerData *bh = (PurpleSignalHandlerData*)b;
 240         if (ah->priority > bh->priority) return 1;
 241         if (ah->priority < bh->priority) return -1;
 242         return 0;
 243 }
 244
 245 static gulong
 246 signal_connect_common(void *instance, const char *signal, void *handle,
 247                                           PurpleCallback func, void *data, int priority, gboolean use_vargs)
 248 {
 249         PurpleInstanceData *instance_data;
 250         PurpleSignalData *signal_data;
 251         PurpleSignalHandlerData *handler_data;
 252
 253         g_return_val_if_fail(instance != NULL, 0);
 254         g_return_val_if_fail(signal   != NULL, 0);
 255         g_return_val_if_fail(handle   != NULL, 0);
 256         g_return_val_if_fail(func     != NULL, 0);
 257
 258         /* Get the instance data */
 259         instance_data =
 260                 (PurpleInstanceData *)g_hash_table_lookup(instance_table, instance);
 261
 262         if (instance_data == NULL)
 263         {
 264                 purple_debug_warning("signals", "Something tried to register a callback "
 265                                 "for the '%s' signal, but we do not have any signals "
 266                                 "registered with the given handle\n", signal);
 267                 g_return_val_if_reached(0);
 268         }
 269
 270         /* Get the signal data */
 271         signal_data =
 272                 (PurpleSignalData *)g_hash_table_lookup(instance_data->signals, signal);
 273
 274         if (signal_data == NULL)
 275         {
 276                 purple_debug(PURPLE_DEBUG_ERROR, "signals",
 277                                    "Signal data for %s not found!\n", signal);
 278                 return 0;
 279         }
 280
 281         /* Create the signal handler data */
 282         handler_data = g_new0(PurpleSignalHandlerData, 1);
 283         handler_data->id        = signal_data->next_handler_id;
 284         handler_data->cb        = func;
 285         handler_data->handle    = handle;
 286         handler_data->data      = data;
 287         handler_data->use_vargs = use_vargs;
 288         handler_data->priority = priority;
 289
 290         signal_data->handlers = g_list_insert_sorted(signal_data->handlers, handler_data, (GCompareFunc)handler_priority);
 291         signal_data->handler_count++;
 292         signal_data->next_handler_id++;
 293
 294         return handler_data->id;
 295 }
 296
 297 gulong
 298 purple_signal_connect_priority(void *instance, const char *signal, void *handle,
 299                                         PurpleCallback func, void *data, int priority)
 300 {
 301         return signal_connect_common(instance, signal, handle, func, data, priority, FALSE);
 302 }
 303
 304 gulong
 305 purple_signal_connect(void *instance, const char *signal, void *handle,
 306                                         PurpleCallback func, void *data)
 307 {
 308         return signal_connect_common(instance, signal, handle, func, data, PURPLE_SIGNAL_PRIORITY_DEFAULT, FALSE);
 309 }
 310
 311 gulong
 312 purple_signal_connect_priority_vargs(void *instance, const char *signal, void *handle,
 313                                                   PurpleCallback func, void *data, int priority)
 314 {
 315         return signal_connect_common(instance, signal, handle, func, data, priority, TRUE);
 316 }
 317
 318 gulong
 319 purple_signal_connect_vargs(void *instance, const char *signal, void *handle,
 320                                                   PurpleCallback func, void *data)
 321 {
 322         return signal_connect_common(instance, signal, handle, func, data, PURPLE_SIGNAL_PRIORITY_DEFAULT, TRUE);
 323 }
 324
 325 void
 326 purple_signal_disconnect(void *instance, const char *signal,
 327                                            void *handle, PurpleCallback func)
 328 {
 329         PurpleInstanceData *instance_data;
 330         PurpleSignalData *signal_data;
 331         PurpleSignalHandlerData *handler_data;
 332         GList *l;
 333         gboolean found = FALSE;
 334
 335         g_return_if_fail(instance != NULL);
 336         g_return_if_fail(signal   != NULL);
 337         g_return_if_fail(handle   != NULL);
 338         g_return_if_fail(func     != NULL);
 339
 340         /* Get the instance data */
 341         instance_data =
 342                 (PurpleInstanceData *)g_hash_table_lookup(instance_table, instance);
 343
 344         g_return_if_fail(instance_data != NULL);
 345
 346         /* Get the signal data */
 347         signal_data =
 348                 (PurpleSignalData *)g_hash_table_lookup(instance_data->signals, signal);
 349
 350         if (signal_data == NULL)
 351         {
 352                 purple_debug(PURPLE_DEBUG_ERROR, "signals",
 353                                    "Signal data for %s not found!\n", signal);
 354                 return;
 355         }
 356
 357         /* Find the handler data. */
 358         for (l = signal_data->handlers; l != NULL; l = l->next)
 359         {
 360                 handler_data = (PurpleSignalHandlerData *)l->data;
 361
 362                 if (handler_data->handle == handle && handler_data->cb == func)
 363                 {
 364                         g_free(handler_data);
 365
 366                         signal_data->handlers = g_list_delete_link(signal_data->handlers,
 367                                                                                                        l);
 368                         signal_data->handler_count--;
 369
 370                         found = TRUE;
 371
 372                         break;
 373                 }
 374         }
 375
 376         /* See note somewhere about this actually helping developers.. */
 377         g_return_if_fail(found);
 378 }
 379
 380 /*
 381  * TODO: Make this all more efficient by storing a list of handlers, keyed
 382  *       to a handle.
 383  */
 384 static void
 385 disconnect_handle_from_signals(const char *signal,
 386                                                            PurpleSignalData *signal_data, void *handle)
 387 {
 388         GList *l, *l_next;
 389         PurpleSignalHandlerData *handler_data;
 390
 391         for (l = signal_data->handlers; l != NULL; l = l_next)
 392         {
 393                 handler_data = (PurpleSignalHandlerData *)l->data;
 394                 l_next = l->next;
 395
 396                 if (handler_data->handle == handle)
 397                 {
 398                         g_free(handler_data);
 399
 400                         signal_data->handler_count--;
 401                         signal_data->handlers = g_list_delete_link(signal_data->handlers,
 402                                                                    l);
 403                 }
 404         }
 405 }
 406
 407 static void
 408 disconnect_handle_from_instance(void *instance,
 409                                                                 PurpleInstanceData *instance_data,
 410                                                                 void *handle)
 411 {
 412         g_hash_table_foreach(instance_data->signals,
 413                                                  (GHFunc)disconnect_handle_from_signals, handle);
 414 }
 415
 416 void
 417 purple_signals_disconnect_by_handle(void *handle)
 418 {
 419         g_return_if_fail(handle != NULL);
 420
 421         g_hash_table_foreach(instance_table,
 422                                                  (GHFunc)disconnect_handle_from_instance, handle);
 423 }
 424
 425 void
 426 purple_signal_emit(void *instance, const char *signal, ...)
 427 {
 428         va_list args;
 429
 430         g_return_if_fail(instance != NULL);
 431         g_return_if_fail(signal   != NULL);
 432
 433         va_start(args, signal);
 434         purple_signal_emit_vargs(instance, signal, args);
 435         va_end(args);
 436 }
 437
 438 void
 439 purple_signal_emit_vargs(void *instance, const char *signal, va_list args)
 440 {
 441         PurpleInstanceData *instance_data;
 442         PurpleSignalData *signal_data;
 443         PurpleSignalHandlerData *handler_data;
 444         GList *l, *l_next;
 445         va_list tmp;
 446
 447         g_return_if_fail(instance != NULL);
 448         g_return_if_fail(signal   != NULL);
 449
 450         instance_data =
 451                 (PurpleInstanceData *)g_hash_table_lookup(instance_table, instance);
 452
 453         g_return_if_fail(instance_data != NULL);
 454
 455         signal_data =
 456                 (PurpleSignalData *)g_hash_table_lookup(instance_data->signals, signal);
 457
 458         if (signal_data == NULL)
 459         {
 460                 purple_debug(PURPLE_DEBUG_ERROR, "signals",
 461                                    "Signal data for %s not found!\n", signal);
 462                 return;
 463         }
 464
 465         for (l = signal_data->handlers; l != NULL; l = l_next)
 466         {
 467                 l_next = l->next;
 468
 469                 handler_data = (PurpleSignalHandlerData *)l->data;
 470
 471                 /* This is necessary because a va_list may only be
 472                  * evaluated once */
 473                 G_VA_COPY(tmp, args);
 474
 475                 if (handler_data->use_vargs)
 476                 {
 477                         ((void (*)(va_list, void *))handler_data->cb)(tmp,
 478                                                                                                                   handler_data->data);
 479                 }
 480                 else
 481                 {
 482                         signal_data->marshal(handler_data->cb, tmp,
 483                                                                  handler_data->data, NULL);
 484                 }
 485
 486                 va_end(tmp);
 487         }
 488
 489 #ifdef HAVE_DBUS
 490         purple_dbus_signal_emit_purple(signal, signal_data->num_values,
 491                                    signal_data->values, args);
 492 #endif  /* HAVE_DBUS */
 493
 494 }
 495
 496 void *
 497 purple_signal_emit_return_1(void *instance, const char *signal, ...)
 498 {
 499         void *ret_val;
 500         va_list args;
 501
 502         g_return_val_if_fail(instance != NULL, NULL);
 503         g_return_val_if_fail(signal   != NULL, NULL);
 504
 505         va_start(args, signal);
 506         ret_val = purple_signal_emit_vargs_return_1(instance, signal, args);
 507         va_end(args);
 508
 509         return ret_val;
 510 }
 511
 512 void *
 513 purple_signal_emit_vargs_return_1(void *instance, const char *signal,
 514                                                                 va_list args)
 515 {
 516         PurpleInstanceData *instance_data;
 517         PurpleSignalData *signal_data;
 518         PurpleSignalHandlerData *handler_data;
 519         GList *l, *l_next;
 520         va_list tmp;
 521
 522         g_return_val_if_fail(instance != NULL, NULL);
 523         g_return_val_if_fail(signal   != NULL, NULL);
 524
 525         instance_data =
 526                 (PurpleInstanceData *)g_hash_table_lookup(instance_table, instance);
 527
 528         g_return_val_if_fail(instance_data != NULL, NULL);
 529
 530         signal_data =
 531                 (PurpleSignalData *)g_hash_table_lookup(instance_data->signals, signal);
 532
 533         if (signal_data == NULL)
 534         {
 535                 purple_debug(PURPLE_DEBUG_ERROR, "signals",
 536                                    "Signal data for %s not found!\n", signal);
 537                 return 0;
 538         }
 539
 540 #ifdef HAVE_DBUS
 541         G_VA_COPY(tmp, args);
 542         purple_dbus_signal_emit_purple(signal, signal_data->num_values,
 543                                    signal_data->values, tmp);
 544         va_end(tmp);
 545 #endif  /* HAVE_DBUS */
 546
 547         for (l = signal_data->handlers; l != NULL; l = l_next)
 548         {
 549                 void *ret_val = NULL;
 550
 551                 l_next = l->next;
 552
 553                 handler_data = (PurpleSignalHandlerData *)l->data;
 554
 555                 G_VA_COPY(tmp, args);
 556                 if (handler_data->use_vargs)
 557                 {
 558                         ret_val = ((void *(*)(va_list, void *))handler_data->cb)(
 559                                 tmp, handler_data->data);
 560                 }
 561                 else
 562                 {
 563                         signal_data->marshal(handler_data->cb, tmp,
 564                                                                  handler_data->data, &ret_val);
 565                 }
 566                 va_end(tmp);
 567
 568                 if (ret_val != NULL)
 569                         return ret_val;
 570         }
 571
 572         return NULL;
 573 }
 574
 575 void
 576 purple_signals_init()
 577 {
 578         g_return_if_fail(instance_table == NULL);
 579
 580         instance_table =
 581                 g_hash_table_new_full(g_direct_hash, g_direct_equal,
 582                                                           NULL, (GDestroyNotify)destroy_instance_data);
 583 }
 584
 585 void
 586 purple_signals_uninit()
 587 {
 588         g_return_if_fail(instance_table != NULL);
 589
 590         g_hash_table_destroy(instance_table);
 591         instance_table = NULL;
 592 }
 593
 594 /**************************************************************************
 595  * Marshallers
 596  **************************************************************************/
 597 void
 598 purple_marshal_VOID(PurpleCallback cb, va_list args, void *data,
 599                                   void **return_val)
 600 {
 601         ((void (*)(void *))cb)(data);
 602 }
 603
 604 void
 605 purple_marshal_VOID__INT(PurpleCallback cb, va_list args, void *data,
 606                                            void **return_val)
 607 {
 608         gint arg1 = va_arg(args, gint);
 609
 610         ((void (*)(gint, void *))cb)(arg1, data);
 611 }
 612
 613 void
 614 purple_marshal_VOID__INT_INT(PurpleCallback cb, va_list args, void *data,
 615                                                    void **return_val)
 616 {
 617         gint arg1 = va_arg(args, gint);
 618         gint arg2 = va_arg(args, gint);
 619
 620         ((void (*)(gint, gint, void *))cb)(arg1, arg2, data);
 621 }
 622
 623 void
 624 purple_marshal_VOID__POINTER(PurpleCallback cb, va_list args, void *data,
 625                                                    void **return_val)
 626 {
 627         void *arg1 = va_arg(args, void *);
 628
 629         ((void (*)(void *, void *))cb)(arg1, data);
 630 }
 631
 632 void
 633 purple_marshal_VOID__POINTER_UINT(PurpleCallback cb, va_list args,
 634                                                                                 void *data, void **return_val)
 635 {
 636         void *arg1 = va_arg(args, void *);
 637         guint arg2 = va_arg(args, guint);
 638
 639         ((void (*)(void *, guint, void *))cb)(arg1, arg2, data);
 640 }
 641
 642 void purple_marshal_VOID__POINTER_INT_INT(PurpleCallback cb, va_list args,
 643                                         void *data, void **return_val)
 644 {
 645         void *arg1 = va_arg(args, void *);
 646         gint arg2 = va_arg(args, gint);
 647         gint arg3 = va_arg(args, gint);
 648
 649         ((void (*)(void *, gint, gint, void *))cb)(arg1, arg2, arg3, data);
 650 }
 651
 652 void purple_marshal_VOID__POINTER_INT_POINTER(PurpleCallback cb, va_list args,
 653                                               void *data, void **return_val)
 654 {
 655         void *arg1 = va_arg(args, void *);
 656         gint arg2 = va_arg(args, gint);
 657         void *arg3 = va_arg(args, void *);
 658
 659         ((void (*)(void *, gint, void *, void *))cb)(arg1, arg2, arg3, data);
 660 }
 661
 662 void
 663 purple_marshal_VOID__POINTER_POINTER(PurpleCallback cb, va_list args,
 664                                                                    void *data, void **return_val)
 665 {
 666         void *arg1 = va_arg(args, void *);
 667         void *arg2 = va_arg(args, void *);
 668
 669         ((void (*)(void *, void *, void *))cb)(arg1, arg2, data);
 670 }
 671
 672 void
 673 purple_marshal_VOID__POINTER_POINTER_UINT(PurpleCallback cb, va_list args,
 674                                                                                 void *data, void **return_val)
 675 {
 676         void *arg1 = va_arg(args, void *);
 677         void *arg2 = va_arg(args, void *);
 678         guint arg3 = va_arg(args, guint);
 679
 680         ((void (*)(void *, void *, guint, void *))cb)(arg1, arg2, arg3, data);
 681 }
 682
 683 void
 684 purple_marshal_VOID__POINTER_POINTER_UINT_UINT(PurpleCallback cb, va_list args,
 685                                                                                      void *data, void **return_val)
 686 {
 687         void *arg1 = va_arg(args, void *);
 688         void *arg2 = va_arg(args, void *);
 689         guint arg3 = va_arg(args, guint);
 690         guint arg4 = va_arg(args, guint);
 691
 692         ((void (*)(void *, void *, guint, guint, void *))cb)(arg1, arg2, arg3, arg4, data);
 693 }
 694
 695 void
 696 purple_marshal_VOID__POINTER_POINTER_POINTER(PurpleCallback cb, va_list args,
 697                                                                                    void *data, void **return_val)
 698 {
 699         void *arg1 = va_arg(args, void *);
 700         void *arg2 = va_arg(args, void *);
 701         void *arg3 = va_arg(args, void *);
 702
 703         ((void (*)(void *, void *, void *, void *))cb)(arg1, arg2, arg3, data);
 704 }
 705
 706 void
 707 purple_marshal_VOID__POINTER_POINTER_POINTER_POINTER(PurpleCallback cb,
 708                                                                                                    va_list args,
 709                                                                                                    void *data,
 710                                                                                                    void **return_val)
 711 {
 712         void *arg1 = va_arg(args, void *);
 713         void *arg2 = va_arg(args, void *);
 714         void *arg3 = va_arg(args, void *);
 715         void *arg4 = va_arg(args, void *);
 716
 717         ((void (*)(void *, void *, void *, void *, void *))cb)(arg1, arg2, arg3, arg4, data);
 718 }
 719
 720 void
 721 purple_marshal_VOID__POINTER_POINTER_POINTER_POINTER_POINTER(PurpleCallback cb,
 722                                                                                                                    va_list args,
 723                                                                                                                    void *data,
 724                                                                                                                    void **return_val)
 725 {
 726         void *arg1 = va_arg(args, void *);
 727         void *arg2 = va_arg(args, void *);
 728         void *arg3 = va_arg(args, void *);
 729         void *arg4 = va_arg(args, void *);
 730         void *arg5 = va_arg(args, void *);
 731
 732         ((void (*)(void *, void *, void *, void *, void *, void *))cb)(arg1, arg2, arg3, arg4, arg5, data);
 733 }
 734
 735 void
 736 purple_marshal_VOID__POINTER_POINTER_POINTER_UINT(PurpleCallback cb,
 737                                                                                                    va_list args,
 738                                                                                                    void *data,
 739                                                                                                    void **return_val)
 740 {
 741         void *arg1 = va_arg(args, void *);
 742         void *arg2 = va_arg(args, void *);
 743         void *arg3 = va_arg(args, void *);
 744         guint arg4 = va_arg(args, guint);
 745
 746         ((void (*)(void *, void *, void *, guint, void *))cb)(arg1, arg2, arg3, arg4, data);
 747 }
 748
 749 void
 750 purple_marshal_VOID__POINTER_POINTER_POINTER_POINTER_UINT(PurpleCallback cb,
 751                                                                                                             va_list args,
 752                                                                                                             void *data,
 753                                                                                                             void **return_val)
 754 {
 755         void *arg1 = va_arg(args, void *);
 756         void *arg2 = va_arg(args, void *);
 757         void *arg3 = va_arg(args, void *);
 758         void *arg4 = va_arg(args, void *);
 759         guint arg5 = va_arg(args, guint);
 760
 761         ((void (*)(void *, void *, void *, void *, guint, void *))cb)(arg1, arg2, arg3, arg4, arg5, data);
 762 }
 763
 764 void
 765 purple_marshal_VOID__POINTER_POINTER_POINTER_UINT_UINT(PurpleCallback cb,
 766                                                                                                          va_list args,
 767                                                                                                          void *data,
 768                                                                                                          void **return_val)
 769 {
 770         void *arg1 = va_arg(args, void *);
 771         void *arg2 = va_arg(args, void *);
 772         void *arg3 = va_arg(args, void *);
 773         guint arg4 = va_arg(args, guint);
 774         guint arg5 = va_arg(args, guint);
 775
 776         ((void (*)(void *, void *, void *, guint, guint, void *))cb)(
 777                         arg1, arg2, arg3, arg4, arg5, data);
 778 }
 779
 780 void
 781 purple_marshal_INT__INT(PurpleCallback cb, va_list args, void *data,
 782                                           void **return_val)
 783 {
 784         gint ret_val;
 785         gint arg1 = va_arg(args, gint);
 786
 787         ret_val = ((gint (*)(gint, void *))cb)(arg1, data);
 788
 789         if (return_val != NULL)
 790                 *return_val = GINT_TO_POINTER(ret_val);
 791 }
 792
 793 void
 794 purple_marshal_INT__INT_INT(PurpleCallback cb, va_list args, void *data,
 795                                                   void **return_val)
 796 {
 797         gint ret_val;
 798         gint arg1 = va_arg(args, gint);
 799         gint arg2 = va_arg(args, gint);
 800
 801         ret_val = ((gint (*)(gint, gint, void *))cb)(arg1, arg2, data);
 802
 803         if (return_val != NULL)
 804                 *return_val = GINT_TO_POINTER(ret_val);
 805 }
 806
 807 void
 808 purple_marshal_INT__POINTER_POINTER(PurpleCallback cb, va_list args, void *data,
 809                                       void **return_val)
 810 {
 811         gint ret_val;
 812         void *arg1 = va_arg(args, void *);
 813         void *arg2 = va_arg(args, void *);
 814
 815         ret_val = ((gint (*)(void *, void *, void *))cb)(arg1, arg2, data);
 816
 817         if (return_val != NULL)
 818                 *return_val = GINT_TO_POINTER(ret_val);
 819 }
 820
 821         void
 822 purple_marshal_INT__POINTER_POINTER_POINTER(
 823                 PurpleCallback cb, va_list args, void *data, void **return_val)
 824 {
 825         gint ret_val;
 826         void *arg1 = va_arg(args, void *);
 827         void *arg2 = va_arg(args, void *);
 828         void *arg3 = va_arg(args, void *);
 829
 830         ret_val = ((gint (*)(void *, void *, void *, void *))cb)(arg1, arg2, arg3, data);
 831
 832         if (return_val != NULL)
 833                 *return_val = GINT_TO_POINTER(ret_val);
 834 }
 835
 836 void
 837 purple_marshal_INT__POINTER_POINTER_POINTER_POINTER_POINTER(
 838                 PurpleCallback cb, va_list args, void *data, void **return_val)
 839 {
 840         gint ret_val;
 841         void *arg1 = va_arg(args, void *);
 842         void *arg2 = va_arg(args, void *);
 843         void *arg3 = va_arg(args, void *);
 844         void *arg4 = va_arg(args, void *);
 845         void *arg5 = va_arg(args, void *);
 846
 847         ret_val =
 848                 ((gint (*)(void *, void *, void *, void *, void *, void *))cb)(
 849                         arg1, arg2, arg3, arg4, arg5, data);
 850
 851         if (return_val != NULL)
 852                 *return_val = GINT_TO_POINTER(ret_val);
 853 }
 854
 855 void
 856 purple_marshal_BOOLEAN__POINTER(PurpleCallback cb, va_list args, void *data,
 857                                                           void **return_val)
 858 {
 859         gboolean ret_val;
 860         void *arg1 = va_arg(args, void *);
 861
 862         ret_val = ((gboolean (*)(void *, void *))cb)(arg1, data);
 863
 864         if (return_val != NULL)
 865                 *return_val = GINT_TO_POINTER(ret_val);
 866 }
 867
 868 void
 869 purple_marshal_BOOLEAN__POINTER_POINTER(PurpleCallback cb, va_list args,
 870                                                                           void *data, void **return_val)
 871 {
 872         gboolean ret_val;
 873         void *arg1 = va_arg(args, void *);
 874         void *arg2 = va_arg(args, void *);
 875
 876         ret_val = ((gboolean (*)(void *, void *, void *))cb)(arg1, arg2, data);
 877
 878         if (return_val != NULL)
 879                 *return_val = GINT_TO_POINTER(ret_val);
 880 }
 881
 882 void
 883 purple_marshal_BOOLEAN__POINTER_BOOLEAN(PurpleCallback cb, va_list args,
 884                                                                           void *data, void **return_val)
 885 {
 886         gboolean ret_val;
 887         void *arg1 = va_arg(args, void *);
 888         gboolean arg2 = va_arg(args, gboolean);
 889
 890         ret_val = ((gboolean (*)(void *, gboolean, void *))cb)(arg1, arg2, data);
 891
 892         if (return_val != NULL)
 893                 *return_val = GINT_TO_POINTER(ret_val);
 894 }
 895
 896 void
 897 purple_marshal_BOOLEAN__POINTER_POINTER_POINTER(PurpleCallback cb, va_list args,
 898                                                                                           void *data, void **return_val)
 899 {
 900         gboolean ret_val;
 901         void *arg1 = va_arg(args, void *);
 902         void *arg2 = va_arg(args, void *);
 903         void *arg3 = va_arg(args, void *);
 904
 905         ret_val = ((gboolean (*)(void *, void *, void *, void *))cb)(arg1, arg2,
 906                                                                                                                                  arg3, data);
 907
 908         if (return_val != NULL)
 909                 *return_val = GINT_TO_POINTER(ret_val);
 910 }
 911
 912 void
 913 purple_marshal_BOOLEAN__POINTER_POINTER_UINT(PurpleCallback cb,
 914                                                                                                    va_list args,
 915                                                                                                    void *data,
 916                                                                                                    void **return_val)
 917 {
 918         gboolean ret_val;
 919         void *arg1 = va_arg(args, void *);
 920         void *arg2 = va_arg(args, void *);
 921         guint arg3 = va_arg(args, guint);
 922
 923         ret_val = ((gboolean (*)(void *, void *, guint, void *))cb)(
 924                         arg1, arg2, arg3, data);
 925
 926         if (return_val != NULL)
 927                 *return_val = GINT_TO_POINTER(ret_val);
 928 }
 929
 930 void
 931 purple_marshal_BOOLEAN__POINTER_POINTER_POINTER_UINT(PurpleCallback cb,
 932                                                                                                    va_list args,
 933                                                                                                    void *data,
 934                                                                                                    void **return_val)
 935 {
 936         gboolean ret_val;
 937         void *arg1 = va_arg(args, void *);
 938         void *arg2 = va_arg(args, void *);
 939         void *arg3 = va_arg(args, void *);
 940         guint arg4 = va_arg(args, guint);
 941
 942         ret_val = ((gboolean (*)(void *, void *, void *, guint, void *))cb)(
 943                         arg1, arg2, arg3, arg4, data);
 944
 945         if (return_val != NULL)
 946                 *return_val = GINT_TO_POINTER(ret_val);
 947 }
 948
 949 void
 950 purple_marshal_BOOLEAN__POINTER_POINTER_POINTER_POINTER(PurpleCallback cb,
 951                                                                                                           va_list args,
 952                                                                                                           void *data,
 953                                                                                                           void **return_val)
 954 {
 955         gboolean ret_val;
 956         void *arg1 = va_arg(args, void *);
 957         void *arg2 = va_arg(args, void *);
 958         void *arg3 = va_arg(args, void *);
 959         void *arg4 = va_arg(args, void *);
 960
 961         ret_val = ((gboolean (*)(void *, void *, void *, void *, void *))cb)(
 962                         arg1, arg2, arg3, arg4, data);
 963
 964         if (return_val != NULL)
 965                 *return_val = GINT_TO_POINTER(ret_val);
 966 }
 967
 968 void
 969 purple_marshal_BOOLEAN__POINTER_POINTER_POINTER_POINTER_POINTER(
 970                 PurpleCallback cb, va_list args, void *data, void **return_val)
 971 {
 972         gboolean ret_val;
 973         void *arg1 = va_arg(args, void *);
 974         void *arg2 = va_arg(args, void *);
 975         void *arg3 = va_arg(args, void *);
 976         void *arg4 = va_arg(args, void *);
 977         void *arg5 = va_arg(args, void *);
 978
 979         ret_val =
 980                 ((gboolean (*)(void *, void *, void *, void *, void *, void *))cb)(
 981                         arg1, arg2, arg3, arg4, arg5, data);
 982
 983         if (return_val != NULL)
 984                 *return_val = GINT_TO_POINTER(ret_val);
 985 }
 986
 987 void
 988 purple_marshal_BOOLEAN__POINTER_POINTER_POINTER_POINTER_UINT(
 989                 PurpleCallback cb, va_list args, void *data, void **return_val)
 990 {
 991         gboolean ret_val;
 992         void *arg1 = va_arg(args, void *);
 993         void *arg2 = va_arg(args, void *);
 994         void *arg3 = va_arg(args, void *);
 995         void *arg4 = va_arg(args, void *);
 996         guint arg5 = va_arg(args, guint);
 997
 998         ret_val =
 999                 ((gboolean (*)(void *, void *, void *, void *, guint, void *))cb)(
1000                         arg1, arg2, arg3, arg4, arg5, data);
1001
1002         if (return_val != NULL)
1003                 *return_val = GINT_TO_POINTER(ret_val);
1004 }
1005
1006 void
1007 purple_marshal_BOOLEAN__POINTER_POINTER_POINTER_POINTER_POINTER_POINTER(
1008                 PurpleCallback cb, va_list args, void *data, void **return_val)
1009 {
1010         gboolean ret_val;
1011         void *arg1 = va_arg(args, void *);
1012         void *arg2 = va_arg(args, void *);
1013         void *arg3 = va_arg(args, void *);
1014         void *arg4 = va_arg(args, void *);
1015         void *arg5 = va_arg(args, void *);
1016         void *arg6 = va_arg(args, void *);
1017
1018         ret_val =
1019                 ((gboolean (*)(void *, void *, void *, void *, void *, void *, void *))cb)(
1020                         arg1, arg2, arg3, arg4, arg5, arg6, data);
1021
1022         if (return_val != NULL)
1023                 *return_val = GINT_TO_POINTER(ret_val);
1024 }
1025
1026 void
1027 purple_marshal_BOOLEAN__INT_POINTER(PurpleCallback cb, va_list args, void *data,
1028                                   void **return_val)
1029 {
1030         gboolean ret_val;
1031         gint arg1 = va_arg(args, gint);
1032         void *arg2 = va_arg(args, void *);
1033
1034         ret_val = ((gboolean (*)(gint, void *, void *))cb)(arg1, arg2, data);
1035
1036         if (return_val != NULL)
1037                 *return_val = GINT_TO_POINTER(ret_val);
1038 }
1039
1040 void
1041 purple_marshal_POINTER__POINTER(
1042                                     PurpleCallback cb, va_list args, void *data,
1043                                     void **return_val)
1044 {
1045         gpointer ret_val;
1046         void *arg1 = va_arg(args, void *);
1047
1048         ret_val = ((gpointer(*)(void *, void *))cb)(arg1, data);
1049
1050         if (return_val != NULL)
1051                 *return_val = ret_val;
1052 }
1053
1054
1055 void
1056 purple_marshal_POINTER__POINTER_INT(
1057                                     PurpleCallback cb, va_list args, void *data,
1058                                     void **return_val)
1059 {
1060         gpointer ret_val;
1061         void *arg1 = va_arg(args, void *);
1062         gint arg2 = va_arg(args, gint);
1063
1064         ret_val = ((gpointer(*)(void *, gint, void *))cb)(arg1, arg2, data);
1065
1066         if (return_val != NULL)
1067                 *return_val = ret_val;
1068 }
1069
1070 void
1071 purple_marshal_POINTER__POINTER_INT64(
1072                                     PurpleCallback cb, va_list args, void *data,
1073                                     void **return_val)
1074 {
1075         gpointer ret_val;
1076         void *arg1 = va_arg(args, void *);
1077         gint64 arg2 = va_arg(args, gint64);
1078
1079         ret_val = ((gpointer(*)(void *, gint64, void *))cb)(arg1, arg2, data);
1080
1081         if (return_val != NULL)
1082                 *return_val = ret_val;
1083 }
1084
1085 void
1086 purple_marshal_POINTER__POINTER_INT_BOOLEAN(
1087                                     PurpleCallback cb, va_list args, void *data,
1088                                     void **return_val)
1089 {
1090         gpointer ret_val;
1091         void *arg1 = va_arg(args, void *);
1092         gint arg2 = va_arg(args, gint);
1093         gboolean arg3 = va_arg(args, gboolean);
1094
1095         ret_val = ((gpointer(*)(void *, gint, gboolean, void *))cb)(arg1, arg2, arg3, data);
1096
1097         if (return_val != NULL)
1098                 *return_val = ret_val;
1099 }
1100
1101 void
1102 purple_marshal_POINTER__POINTER_INT64_BOOLEAN(
1103                                     PurpleCallback cb, va_list args, void *data,
1104                                     void **return_val)
1105 {
1106         gpointer ret_val;
1107         void *arg1 = va_arg(args, void *);
1108         gint64 arg2 = va_arg(args, gint64);
1109         gboolean arg3 = va_arg(args, gboolean);
1110
1111         ret_val = ((gpointer(*)(void *, gint64, gboolean, void *))cb)(arg1, arg2, arg3, data);
1112
1113         if (return_val != NULL)
1114                 *return_val = ret_val;
1115 }
1116
1117 void
1118 purple_marshal_POINTER__POINTER_POINTER(PurpleCallback cb, va_list args, void *data,
1119                                       void **return_val)
1120 {
1121         gpointer ret_val;
1122         void *arg1 = va_arg(args, void *);
1123         void *arg2 = va_arg(args, void *);
1124
1125         ret_val = ((gpointer (*)(void *, void *, void *))cb)(arg1, arg2, data);
1126
1127         if (return_val != NULL)
1128                 *return_val = ret_val;
1129 }