source: global.c @ cb124fc6

Last change on this file since cb124fc6 was cb124fc6, checked in by Anders Kaseorg <andersk@mit.edu>, 9 years ago
Replace deprecated GLib < 2.31.0 mutex APIs As of GLib 2.31.0, - GMutex and GCond can now be statically allocated without explicit initialisation. Dynamic allocation for these types is deprecated. Signed-off-by: Anders Kaseorg <andersk@mit.edu>
  • Property mode set to 100644
File size: 21.3 KB
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1#include "owl.h"
2#include <stdio.h>
3#include <sys/ioctl.h>
4
5static void _owl_global_init_windows(owl_global *g);
6
7void owl_global_init(owl_global *g) {
8  char *cd;
9  const char *homedir;
10
11  g_type_init();
12  g_thread_init(NULL);
13
14  owl_select_init();
15
16  g->lines=LINES;
17  g->cols=COLS;
18  /* We shouldn't need this if we initialize lines and cols before the first
19   * owl_window_get_screen, but to be safe, we synchronize. */
20  owl_window_resize(owl_window_get_screen(), g->lines, g->cols);
21
22  g->context_stack = NULL;
23  owl_global_push_context(g, OWL_CTX_STARTUP, NULL, NULL, NULL);
24
25  g->curmsg=0;
26  g->topmsg=0;
27  g->markedmsgid=-1;
28  g->startupargs=NULL;
29
30  owl_variable_dict_setup(&(g->vars));
31
32  g->rightshift=0;
33
34  g->pw = NULL;
35  g->vw = NULL;
36  g->tw = NULL;
37
38  owl_keyhandler_init(&g->kh);
39  owl_keys_setup_keymaps(&g->kh);
40
41  owl_dict_create(&(g->filters));
42  g->filterlist = NULL;
43  g->puntlist = g_ptr_array_new();
44  g->messagequeue = g_queue_new();
45  owl_dict_create(&(g->styledict));
46  g->curmsg_vert_offset=0;
47  g->resizepending=0;
48  g->direction=OWL_DIRECTION_DOWNWARDS;
49  owl_fmtext_init_colorpair_mgr(&(g->cpmgr));
50  g->debug=OWL_DEBUG;
51  owl_regex_init(&g->search_re);
52  g->starttime=time(NULL); /* assumes we call init only a start time */
53  g->lastinputtime=g->starttime;
54  g->newmsgproc_pid=0;
55 
56  owl_global_set_config_format(g, 0);
57  owl_global_set_no_have_config(g);
58  owl_history_init(&(g->msghist));
59  owl_history_init(&(g->cmdhist));
60  g->nextmsgid=0;
61
62  /* Fill in some variables which don't have constant defaults */
63
64  /* glib's g_get_home_dir prefers passwd entries to $HOME, so we
65   * explicitly check getenv first. */
66  homedir = getenv("HOME");
67  if (!homedir)
68    homedir = g_get_home_dir();
69  g->homedir = g_strdup(homedir);
70
71  g->confdir = NULL;
72  g->startupfile = NULL;
73  cd = g_build_filename(g->homedir, OWL_CONFIG_DIR, NULL);
74  owl_global_set_confdir(g, cd);
75  g_free(cd);
76
77  g->msglist = owl_messagelist_new();
78
79  _owl_global_init_windows(g);
80
81  g->aim_screenname=NULL;
82  g->aim_screenname_for_filters=NULL;
83  g->aim_loggedin=0;
84  owl_buddylist_init(&(g->buddylist));
85
86  g->havezephyr=0;
87  g->haveaim=0;
88  g->ignoreaimlogin=0;
89  owl_global_set_no_doaimevents(g);
90
91  owl_errqueue_init(&(g->errqueue));
92
93  owl_zbuddylist_create(&(g->zbuddies));
94
95  g->zaldlist = NULL;
96  g->pseudologin_notify = 0;
97
98  owl_message_init_fmtext_cache();
99  g->kill_buffer = NULL;
100
101  g->interrupt_count = 0;
102#if GLIB_CHECK_VERSION(2, 31, 0)
103  g_mutex_init(&g->interrupt_lock);
104#else
105  g->interrupt_lock = g_mutex_new();
106#endif
107}
108
109static void _owl_global_init_windows(owl_global *g)
110{
111  /* Create the main window */
112  owl_mainpanel_init(&(g->mainpanel));
113
114  /* Create the widgets */
115  g->mw = owl_mainwin_new(g->mainpanel.recwin);
116  owl_msgwin_init(&(g->msgwin), g->mainpanel.msgwin);
117  owl_sepbar_init(g->mainpanel.sepwin);
118
119  owl_window_set_default_cursor(g->mainpanel.sepwin);
120
121  /* set up a pad for input */
122  g->input_pad = newpad(1, 1);
123  nodelay(g->input_pad, 1);
124  keypad(g->input_pad, 1);
125  meta(g->input_pad, 1);
126}
127
128void owl_global_sepbar_dirty(owl_global *g)
129{
130  owl_window_dirty(g->mainpanel.sepwin);
131}
132
133/* Called once perl has been initialized */
134void owl_global_complete_setup(owl_global *g)
135{
136  owl_cmddict_setup(&(g->cmds));
137}
138
139owl_context *owl_global_get_context(const owl_global *g) {
140  if (!g->context_stack)
141    return NULL;
142  return g->context_stack->data;
143}
144
145static void owl_global_activate_context(owl_global *g, owl_context *c) {
146  if (!c)
147    return;
148
149  if (c->keymap) {
150    if (!owl_keyhandler_activate(owl_global_get_keyhandler(g), c->keymap)) {
151      owl_function_error("Unable to activate keymap '%s'", c->keymap);
152    }
153  }
154  owl_window_set_cursor(c->cursor);
155}
156
157void owl_global_push_context(owl_global *g, int mode, void *data, const char *keymap, owl_window *cursor) {
158  owl_context *c;
159  c = owl_context_new(mode, data, keymap, cursor);
160  owl_global_push_context_obj(g, c);
161}
162
163void owl_global_push_context_obj(owl_global *g, owl_context *c)
164{
165  g->context_stack = g_list_prepend(g->context_stack, c);
166  owl_global_activate_context(g, owl_global_get_context(g));
167}
168
169/* Pops the current context from the context stack and returns it. Caller is
170 * responsible for freeing. */
171CALLER_OWN owl_context *owl_global_pop_context_no_delete(owl_global *g)
172{
173  owl_context *c;
174  if (!g->context_stack)
175    return NULL;
176  c = owl_global_get_context(g);
177  owl_context_deactivate(c);
178  g->context_stack = g_list_delete_link(g->context_stack,
179                                        g->context_stack);
180  owl_global_activate_context(g, owl_global_get_context(g));
181  return c;
182}
183
184/* Pops the current context from the context stack and deletes it. */
185void owl_global_pop_context(owl_global *g) {
186  owl_context *c;
187  c = owl_global_pop_context_no_delete(g);
188  if (c)
189    owl_context_delete(c);
190}
191
192int owl_global_get_lines(const owl_global *g) {
193  return(g->lines);
194}
195
196int owl_global_get_cols(const owl_global *g) {
197  return(g->cols);
198}
199
200int owl_global_get_recwin_lines(const owl_global *g) {
201  return g->mainpanel.recwinlines;
202}
203
204/* curmsg */
205
206int owl_global_get_curmsg(const owl_global *g) {
207  return(g->curmsg);
208}
209
210void owl_global_set_curmsg(owl_global *g, int i) {
211  g->curmsg=i;
212  /* we will reset the vertical offset from here */
213  /* we might want to move this out to the functions later */
214  owl_global_set_curmsg_vert_offset(g, 0);
215}
216
217/* topmsg */
218
219int owl_global_get_topmsg(const owl_global *g) {
220  return(g->topmsg);
221}
222
223void owl_global_set_topmsg(owl_global *g, int i) {
224  g->topmsg=i;
225}
226
227/* markedmsgid */
228
229int owl_global_get_markedmsgid(const owl_global *g) {
230  return(g->markedmsgid);
231}
232
233void owl_global_set_markedmsgid(owl_global *g, int i) {
234  g->markedmsgid=i;
235  /* i; index of message in the current view.
236  const owl_message *m;
237  owl_view *v;
238
239  v = owl_global_get_current_view(&g);
240  m = owl_view_get_element(v, i);
241  g->markedmsgid = m ? owl_message_get_id(m) : 0;
242  */
243}
244
245/* windows */
246
247owl_mainwin *owl_global_get_mainwin(owl_global *g)
248{
249  return g->mw;
250}
251
252owl_popwin *owl_global_get_popwin(owl_global *g) {
253  return g->pw;
254}
255
256void owl_global_set_popwin(owl_global *g, owl_popwin *pw) {
257  g->pw = pw;
258}
259
260/* msglist */
261
262owl_messagelist *owl_global_get_msglist(owl_global *g) {
263  return g->msglist;
264}
265
266/* keyhandler */
267
268owl_keyhandler *owl_global_get_keyhandler(owl_global *g) {
269  return(&(g->kh));
270}
271
272/* Gets the currently active typwin out of the current context. */
273owl_editwin *owl_global_current_typwin(const owl_global *g) {
274  owl_context *ctx = owl_global_get_context(g);
275  return owl_editcontext_get_editwin(ctx);
276}
277
278/* variable dictionary */
279
280owl_vardict *owl_global_get_vardict(owl_global *g) {
281  return &(g->vars);
282}
283
284/* command dictionary */
285
286owl_cmddict *owl_global_get_cmddict(owl_global *g) {
287  return &(g->cmds);
288}
289
290/* rightshift */
291
292void owl_global_set_rightshift(owl_global *g, int i) {
293  g->rightshift = i;
294  owl_mainwin_redisplay(owl_global_get_mainwin(g));
295}
296
297int owl_global_get_rightshift(const owl_global *g) {
298  return(g->rightshift);
299}
300
301/* typwin */
302
303owl_editwin *owl_global_set_typwin_active(owl_global *g, int style, owl_history *hist) {
304  int d;
305  d = owl_global_get_typewindelta(g);
306  if (d > 0 && style == OWL_EDITWIN_STYLE_MULTILINE)
307      owl_function_resize_typwin(owl_global_get_typwin_lines(g) + d);
308
309  if (g->typwin_erase_id) {
310    g_signal_handler_disconnect(g->mainpanel.typwin, g->typwin_erase_id);
311    g->typwin_erase_id = 0;
312  }
313
314  g->tw = owl_editwin_new(g->mainpanel.typwin,
315                          owl_global_get_typwin_lines(g),
316                          g->cols,
317                          style,
318                          hist);
319  return g->tw;
320}
321
322void owl_global_deactivate_editcontext(owl_context *ctx) {
323  owl_global *g = ctx->cbdata;
324  owl_global_set_typwin_inactive(g);
325}
326
327void owl_global_set_typwin_inactive(owl_global *g) {
328  int d = owl_global_get_typewindelta(g);
329  if (d > 0 && owl_editwin_get_style(g->tw) == OWL_EDITWIN_STYLE_MULTILINE)
330      owl_function_resize_typwin(owl_global_get_typwin_lines(g) - d);
331
332  if (!g->typwin_erase_id) {
333    g->typwin_erase_id =
334      g_signal_connect(g->mainpanel.typwin, "redraw", G_CALLBACK(owl_window_erase_cb), NULL);
335  }
336  owl_window_dirty(g->mainpanel.typwin);
337
338  owl_editwin_unref(g->tw);
339  g->tw = NULL;
340}
341
342/* resize */
343
344void owl_global_set_resize_pending(owl_global *g) {
345  g->resizepending = true;
346}
347
348const char *owl_global_get_homedir(const owl_global *g) {
349  if (g->homedir) return(g->homedir);
350  return("/");
351}
352
353const char *owl_global_get_confdir(const owl_global *g) {
354  if (g->confdir) return(g->confdir);
355  return("/");
356}
357
358/*
359 * Setting this also sets startupfile to confdir/startup
360 */
361void owl_global_set_confdir(owl_global *g, const char *cd) {
362  g_free(g->confdir);
363  g->confdir = g_strdup(cd);
364  g_free(g->startupfile);
365  g->startupfile = g_build_filename(cd, "startup", NULL);
366}
367
368const char *owl_global_get_startupfile(const owl_global *g) {
369  if(g->startupfile) return(g->startupfile);
370  return("/");
371}
372
373int owl_global_get_direction(const owl_global *g) {
374  return(g->direction);
375}
376
377void owl_global_set_direction_downwards(owl_global *g) {
378  g->direction=OWL_DIRECTION_DOWNWARDS;
379}
380
381void owl_global_set_direction_upwards(owl_global *g) {
382  g->direction=OWL_DIRECTION_UPWARDS;
383}
384
385/* perl stuff */
386
387void owl_global_set_perlinterp(owl_global *g, void *p) {
388  g->perl=p;
389}
390
391void *owl_global_get_perlinterp(const owl_global *g) {
392  return(g->perl);
393}
394
395int owl_global_is_config_format(const owl_global *g) {
396  if (g->config_format) return(1);
397  return(0);
398}
399
400void owl_global_set_config_format(owl_global *g, int state) {
401  if (state==1) {
402    g->config_format=1;
403  } else {
404    g->config_format=0;
405  }
406}
407
408void owl_global_set_have_config(owl_global *g) {
409  g->haveconfig=1;
410}
411
412void owl_global_set_no_have_config(owl_global *g) {
413  g->haveconfig=0;
414}
415
416int owl_global_have_config(owl_global *g) {
417  if (g->haveconfig) return(1);
418  return(0);
419}
420
421/*
422 * Compute the size of the terminal. Try a ioctl, fallback to other stuff on
423 * fail.
424 */
425void owl_global_get_terminal_size(int *lines, int *cols) {
426  struct winsize size;
427  /* get the new size */
428  ioctl(STDIN_FILENO, TIOCGWINSZ, &size);
429  if (size.ws_row) {
430    *lines = size.ws_row;
431  } else {
432    *lines = LINES;
433  }
434
435  if (size.ws_col) {
436    *cols = size.ws_col;
437  } else {
438    *cols = COLS;
439  }
440}
441
442void owl_global_check_resize(owl_global *g) {
443  /* resize the screen.  If lines or cols is 0 use the terminal size */
444  if (!g->resizepending) return;
445  g->resizepending = false;
446
447  owl_global_get_terminal_size(&g->lines, &g->cols);
448  owl_window_resize(owl_window_get_screen(), g->lines, g->cols);
449
450  owl_function_debugmsg("New size is %i lines, %i cols.", g->lines, g->cols);
451}
452
453/* debug */
454
455int owl_global_is_debug_fast(const owl_global *g) {
456  if (g->debug) return(1);
457  return(0);
458}
459
460/* starttime */
461
462time_t owl_global_get_starttime(const owl_global *g) {
463  return(g->starttime);
464}
465
466time_t owl_global_get_runtime(const owl_global *g) {
467  return(time(NULL)-g->starttime);
468}
469
470time_t owl_global_get_lastinputtime(const owl_global *g) {
471  return(g->lastinputtime);
472}
473
474void owl_global_set_lastinputtime(owl_global *g, time_t time) {
475  g->lastinputtime = time;
476}
477
478time_t owl_global_get_idletime(const owl_global *g) {
479  return(time(NULL)-g->lastinputtime);
480}
481
482/* viewwin */
483
484owl_viewwin *owl_global_get_viewwin(owl_global *g) {
485  return g->vw;
486}
487
488void owl_global_set_viewwin(owl_global *g, owl_viewwin *vw) {
489  g->vw = vw;
490}
491
492
493/* vert offset */
494
495int owl_global_get_curmsg_vert_offset(const owl_global *g) {
496  return(g->curmsg_vert_offset);
497}
498
499void owl_global_set_curmsg_vert_offset(owl_global *g, int i) {
500  g->curmsg_vert_offset = i;
501}
502
503/* startup args */
504
505void owl_global_set_startupargs(owl_global *g, int argc, char **argv) {
506  g_free(g->startupargs);
507  g->startupargs = g_strjoinv(" ", argv);
508}
509
510const char *owl_global_get_startupargs(const owl_global *g) {
511  if (g->startupargs) return(g->startupargs);
512  return("");
513}
514
515/* history */
516
517owl_history *owl_global_get_msg_history(owl_global *g) {
518  return(&(g->msghist));
519}
520
521owl_history *owl_global_get_cmd_history(owl_global *g) {
522  return(&(g->cmdhist));
523}
524
525/* filterlist */
526typedef struct _owl_global_filter_ent {         /* noproto */
527  owl_global *g;
528  owl_filter *f;
529} owl_global_filter_ent;
530
531owl_filter *owl_global_get_filter(const owl_global *g, const char *name) {
532  owl_global_filter_ent *e = owl_dict_find_element(&(g->filters), name);
533  if (e) return e->f;
534  return NULL;
535}
536
537static void owl_global_delete_filter_ent(void *data)
538{
539  owl_global_filter_ent *e = data;
540  e->g->filterlist = g_list_remove(e->g->filterlist, e->f);
541  owl_filter_delete(e->f);
542  g_free(e);
543}
544
545void owl_global_add_filter(owl_global *g, owl_filter *f) {
546  owl_global_filter_ent *e = g_new(owl_global_filter_ent, 1);
547  e->g = g;
548  e->f = f;
549
550  owl_dict_insert_element(&(g->filters), owl_filter_get_name(f),
551                          e, owl_global_delete_filter_ent);
552  g->filterlist = g_list_append(g->filterlist, f);
553}
554
555void owl_global_remove_filter(owl_global *g, const char *name) {
556  owl_global_filter_ent *e = owl_dict_remove_element(&(g->filters), name);
557  if (e)
558    owl_global_delete_filter_ent(e);
559}
560
561/* nextmsgid */
562
563int owl_global_get_nextmsgid(owl_global *g) {
564  return(g->nextmsgid++);
565}
566
567/* current view */
568
569owl_view *owl_global_get_current_view(owl_global *g) {
570  return(&(g->current_view));
571}
572
573owl_colorpair_mgr *owl_global_get_colorpair_mgr(owl_global *g) {
574  return(&(g->cpmgr));
575}
576
577/* puntlist */
578
579GPtrArray *owl_global_get_puntlist(owl_global *g) {
580  return g->puntlist;
581}
582
583int owl_global_message_is_puntable(owl_global *g, const owl_message *m) {
584  const GPtrArray *pl;
585  int i;
586
587  pl = owl_global_get_puntlist(g);
588  for (i = 0; i < pl->len; i++) {
589    if (owl_filter_message_match(pl->pdata[i], m)) return 1;
590  }
591  return 0;
592}
593
594int owl_global_should_followlast(owl_global *g) {
595  const owl_view *v;
596 
597  if (!owl_global_is__followlast(g)) return(0);
598 
599  v=owl_global_get_current_view(g);
600 
601  if (owl_global_get_curmsg(g)==owl_view_get_size(v)-1) return(1);
602  return(0);
603}
604
605int owl_global_is_search_active(const owl_global *g) {
606  if (owl_regex_is_set(&g->search_re)) return(1);
607  return(0);
608}
609
610void owl_global_set_search_re(owl_global *g, const owl_regex *re) {
611  if (owl_regex_is_set(&g->search_re)) {
612    owl_regex_cleanup(&g->search_re);
613    owl_regex_init(&g->search_re);
614  }
615  if (re != NULL)
616    owl_regex_copy(re, &g->search_re);
617  /* TODO: Emit a signal so we don't depend on the viewwin and mainwin */
618  if (owl_global_get_viewwin(g))
619    owl_viewwin_dirty(owl_global_get_viewwin(g));
620  owl_mainwin_redisplay(owl_global_get_mainwin(g));
621}
622
623const owl_regex *owl_global_get_search_re(const owl_global *g) {
624  return &g->search_re;
625}
626
627void owl_global_set_newmsgproc_pid(owl_global *g, pid_t i) {
628  g->newmsgproc_pid=i;
629}
630
631pid_t owl_global_get_newmsgproc_pid(const owl_global *g) {
632  return(g->newmsgproc_pid);
633}
634
635/* AIM stuff */
636
637int owl_global_is_aimloggedin(const owl_global *g)
638{
639  if (g->aim_loggedin) return(1);
640  return(0);
641}
642
643const char *owl_global_get_aim_screenname(const owl_global *g)
644{
645  if (owl_global_is_aimloggedin(g)) {
646    return (g->aim_screenname);
647  }
648  return("");
649}
650
651const char *owl_global_get_aim_screenname_for_filters(const owl_global *g)
652{
653  if (owl_global_is_aimloggedin(g)) {
654    return (g->aim_screenname_for_filters);
655  }
656  return("");
657}
658
659void owl_global_set_aimloggedin(owl_global *g, const char *screenname)
660{
661  char *sn_escaped;
662  g->aim_loggedin=1;
663  if (g->aim_screenname) g_free(g->aim_screenname);
664  if (g->aim_screenname_for_filters) g_free(g->aim_screenname_for_filters);
665  g->aim_screenname=g_strdup(screenname);
666  sn_escaped = owl_text_quote(screenname, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
667  g->aim_screenname_for_filters = owl_arg_quote(sn_escaped);
668  g_free(sn_escaped);
669}
670
671void owl_global_set_aimnologgedin(owl_global *g)
672{
673  g->aim_loggedin=0;
674}
675
676bool owl_global_is_doaimevents(const owl_global *g)
677{
678  return g->aim_event_source != NULL;
679}
680
681void owl_global_set_doaimevents(owl_global *g)
682{
683  if (g->aim_event_source)
684    return;
685  g->aim_event_source = owl_aim_event_source_new(owl_global_get_aimsess(g));
686  g_source_attach(g->aim_event_source, NULL);
687}
688
689void owl_global_set_no_doaimevents(owl_global *g)
690{
691  if (!g->aim_event_source)
692    return;
693  g_source_destroy(g->aim_event_source);
694  g_source_unref(g->aim_event_source);
695  g->aim_event_source = NULL;
696}
697
698aim_session_t *owl_global_get_aimsess(owl_global *g)
699{
700  return(&(g->aimsess));
701}
702
703aim_conn_t *owl_global_get_bosconn(owl_global *g)
704{
705  return(&(g->bosconn));
706}
707
708void owl_global_set_bossconn(owl_global *g, aim_conn_t *conn)
709{
710  g->bosconn=*conn;
711}
712
713/* message queue */
714
715void owl_global_messagequeue_addmsg(owl_global *g, owl_message *m)
716{
717  g_queue_push_tail(g->messagequeue, m);
718}
719
720/* pop off the first message and return it.  Return NULL if the queue
721 * is empty.  The caller should free the message after using it, if
722 * necessary.
723 */
724CALLER_OWN owl_message *owl_global_messagequeue_popmsg(owl_global *g)
725{
726  owl_message *out;
727
728  if (g_queue_is_empty(g->messagequeue))
729    return NULL;
730  out = g_queue_pop_head(g->messagequeue);
731  return out;
732}
733
734int owl_global_messagequeue_pending(owl_global *g)
735{
736  return !g_queue_is_empty(g->messagequeue);
737}
738
739owl_buddylist *owl_global_get_buddylist(owl_global *g)
740{
741  return(&(g->buddylist));
742}
743 
744/* style */
745
746/* Return the style with name 'name'.  If it does not exist return
747 * NULL */
748const owl_style *owl_global_get_style_by_name(const owl_global *g, const char *name)
749{
750  return owl_dict_find_element(&(g->styledict), name);
751}
752
753CALLER_OWN GPtrArray *owl_global_get_style_names(const owl_global *g)
754{
755  return owl_dict_get_keys(&g->styledict);
756}
757
758void owl_global_add_style(owl_global *g, owl_style *s)
759{
760  /*
761   * If we're redefining the current style, make sure to update
762   * pointers to it.
763   */
764  if(g->current_view.style
765     && !strcmp(owl_style_get_name(g->current_view.style),
766                owl_style_get_name(s)))
767    g->current_view.style = s;
768  owl_dict_insert_element(&(g->styledict), owl_style_get_name(s),
769                          s, (void (*)(void *))owl_style_delete);
770}
771
772void owl_global_set_haveaim(owl_global *g)
773{
774  g->haveaim=1;
775}
776
777int owl_global_is_haveaim(const owl_global *g)
778{
779  if (g->haveaim) return(1);
780  return(0);
781}
782
783void owl_global_set_ignore_aimlogin(owl_global *g)
784{
785    g->ignoreaimlogin = 1;
786}
787
788void owl_global_unset_ignore_aimlogin(owl_global *g)
789{
790    g->ignoreaimlogin = 0;
791}
792
793int owl_global_is_ignore_aimlogin(const owl_global *g)
794{
795    return g->ignoreaimlogin;
796}
797
798void owl_global_set_havezephyr(owl_global *g)
799{
800  g->havezephyr=1;
801}
802
803int owl_global_is_havezephyr(const owl_global *g)
804{
805  if (g->havezephyr) return(1);
806  return(0);
807}
808
809owl_errqueue *owl_global_get_errqueue(owl_global *g)
810{
811  return(&(g->errqueue));
812}
813
814owl_zbuddylist *owl_global_get_zephyr_buddylist(owl_global *g)
815{
816  return(&(g->zbuddies));
817}
818
819GList **owl_global_get_zaldlist(owl_global *g)
820{
821  return &(g->zaldlist);
822}
823
824int owl_global_get_pseudologin_notify(owl_global *g)
825{
826  return g->pseudologin_notify;
827}
828
829void owl_global_set_pseudologin_notify(owl_global *g, int notify)
830{
831  g->pseudologin_notify = notify;
832}
833
834struct termios *owl_global_get_startup_tio(owl_global *g)
835{
836  return(&(g->startup_tio));
837}
838
839void owl_global_setup_default_filters(owl_global *g)
840{
841  int i;
842  static const struct {
843    const char *name;
844    const char *desc;
845  } filters[] = {
846    { "personal",
847      "isprivate ^true$ and ( not type ^zephyr$ or ( class ^message  ) )" },
848    { "trash",
849      "class ^mail$ or opcode ^ping$ or type ^admin$ or ( not login ^none$ )" },
850    { "wordwrap", "not ( type ^admin$ or type ^zephyr$ )" },
851    { "ping", "opcode ^ping$" },
852    { "auto", "opcode ^auto$" },
853    { "login", "not login ^none$" },
854    { "reply-lockout", "class ^mail$" },
855    { "out", "direction ^out$" },
856    { "aim", "type ^aim$" },
857    { "zephyr", "type ^zephyr$" },
858    { "none", "false" },
859    { "all", "true" },
860    { NULL, NULL }
861  };
862
863  owl_function_debugmsg("startup: creating default filters");
864
865  for (i = 0; filters[i].name != NULL; i++)
866    owl_global_add_filter(g, owl_filter_new_fromstring(filters[i].name,
867                                                       filters[i].desc));
868}
869
870FILE *owl_global_get_debug_file_handle(owl_global *g) {
871  static char *open_file = NULL;
872  const char *filename = owl_global_get_debug_file(g);
873  if (g->debug_file == NULL ||
874      (open_file && strcmp(filename, open_file) != 0)) {
875    char *path;
876    int fd;
877
878    if (g->debug_file)
879      fclose(g->debug_file);
880
881    g->debug_file = NULL;
882
883    path = g_strdup_printf("%s.%d", filename, getpid());
884    fd = open(path, O_CREAT|O_WRONLY|O_EXCL, 0600);
885    g_free(path);
886
887    if (fd >= 0)
888      g->debug_file = fdopen(fd, "a");
889
890    g_free(open_file);
891    open_file = g_strdup(filename);
892  }
893  return g->debug_file;
894}
895
896const char *owl_global_get_kill_buffer(owl_global *g) {
897  return g->kill_buffer;
898}
899
900void owl_global_set_kill_buffer(owl_global *g, const char *kill, int len) {
901  g_free(g->kill_buffer);
902  g->kill_buffer = g_strndup(kill, len);
903}
904
905static GMutex *owl_global_get_interrupt_lock(owl_global *g)
906{
907#if GLIB_CHECK_VERSION(2, 31, 0)
908  return &g->interrupt_lock;
909#else
910  return g->interrupt_lock;
911#endif
912}
913
914void owl_global_add_interrupt(owl_global *g) {
915  /* TODO: This can almost certainly be done with atomic
916   * operations. Whatever. */
917  g_mutex_lock(owl_global_get_interrupt_lock(g));
918  g->interrupt_count++;
919  g_mutex_unlock(owl_global_get_interrupt_lock(g));
920}
921
922bool owl_global_take_interrupt(owl_global *g) {
923  bool ans = false;
924  g_mutex_lock(owl_global_get_interrupt_lock(g));
925  if (g->interrupt_count > 0) {
926    ans = true;
927    g->interrupt_count--;
928  }
929  g_mutex_unlock(owl_global_get_interrupt_lock(g));
930  return ans;
931}
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