source: owl.c @ 252a5c2

barnowl_perlaimdebianowlrelease-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change on this file since 252a5c2 was 252a5c2, checked in by James M. Kretchmar <kretch@mit.edu>, 17 years ago
Print an admin message indicating when subscriptions can not be loaded on startup Fixed bug causing problems with invalid @ colors
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File size: 19.2 KB
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[5789230]1/*
[7d4fbcd]2 * Copyright 2001 Massachusetts Institute of Technology
3 *
4 * Permission to use, copy, modify, and distribute this software and
5 * its documentation for any purpose and without fee is hereby
6 * granted, provided that the above copyright notice and this
7 * permission notice appear in all copies and in supporting
8 * documentation.  No representation is made about the suitability of
9 * this software for any purpose.  It is provided "as is" without
10 * express or implied warranty.
11 */
12
13#include <stdio.h>
14#include <unistd.h>
15#include <stdlib.h>
16#include <string.h>
17#include <signal.h>
[5145235]18#include <time.h>
[7d4fbcd]19#include <sys/param.h>
[700c712]20#include <sys/types.h>
[38cf544c]21#include <sys/stat.h>
[7d4fbcd]22#include "owl.h"
23
[2a2bb60]24#if OWL_STDERR_REDIR
[e8b95f8]25#ifdef HAVE_SYS_IOCTL_H
[2a2bb60]26#include <sys/ioctl.h>
[e8b95f8]27#endif
28#ifdef HAVE_SYS_FILIO_H
29#include <sys/filio.h>
30#endif
[2a2bb60]31int stderr_replace(void);
32void stderr_redirect(int rfd);
33#endif
34
[1aee7d9]35static const char fileIdent[] = "$Id$";
36
[b2b0773]37owl_global g;
38
[7d4fbcd]39int main(int argc, char **argv, char **env) {
40  WINDOW *recwin, *sepwin, *typwin, *msgwin;
41  owl_editwin *tw;
42  owl_popwin *pw;
[ced25d1]43  int j, ret, initialsubs, debug, argcsave, followlast;
[d09e5a1]44  int newmsgs, zpendcount, nexttimediff;
[7d4fbcd]45  struct sigaction sigact;
[f1e629d]46  char *configfile, *tty, *perlout, *perlerr, **argvsave, buff[LINE], startupmsg[LINE];
[7d4fbcd]47  owl_filter *f;
[bd3f232]48  owl_style *s;
[a15a84f]49  time_t nexttime, now;
50  struct tm *today;
[38cf544c]51  char *dir;
[09489b89]52#ifdef HAVE_LIBZEPHYR
[be0a79f]53  ZNotice_t notice;
[09489b89]54#endif
[2a2bb60]55#if OWL_STDERR_REDIR
56  int newstderr;
57#endif
[7d4fbcd]58
59  argcsave=argc;
60  argvsave=argv;
61  configfile=NULL;
62  tty=NULL;
63  debug=0;
[bd3f232]64  initialsubs=1;
[7d4fbcd]65  if (argc>0) {
66    argv++;
67    argc--;
68  }
69  while (argc>0) {
70    if (!strcmp(argv[0], "-n")) {
71      initialsubs=0;
72      argv++;
73      argc--;
74    } else if (!strcmp(argv[0], "-c")) {
75      if (argc<2) {
76        fprintf(stderr, "Too few arguments to -c\n");
77        usage();
78        exit(1);
79      }
80      configfile=argv[1];
81      argv+=2;
82      argc-=2;
83    } else if (!strcmp(argv[0], "-t")) {
84      if (argc<2) {
85        fprintf(stderr, "Too few arguments to -t\n");
86        usage();
87        exit(1);
88      }
89      tty=argv[1];
90      argv+=2;
91      argc-=2;
92    } else if (!strcmp(argv[0], "-d")) {
93      debug=1;
94      argv++;
95      argc--;
96    } else if (!strcmp(argv[0], "-v")) {
97      printf("This is owl version %s\n", OWL_VERSION_STRING);
98      exit(0);
99    } else {
100      fprintf(stderr, "Uknown argument\n");
101      usage();       
102      exit(1);
103    }
104  }
105
[be0a79f]106#ifdef HAVE_LIBZEPHYR
[7d4fbcd]107  /* zephyr init */
[be0a79f]108  ret=owl_zephyr_initialize();
109  if (ret) {
[7d4fbcd]110    exit(1);
111  }
[be0a79f]112#endif
113 
[7d4fbcd]114  /* signal handler */
115  sigact.sa_handler=sig_handler;
116  sigemptyset(&sigact.sa_mask);
117  sigact.sa_flags=0;
118  sigaction(SIGWINCH, &sigact, NULL);
119  sigaction(SIGALRM, &sigact, NULL);
120
121  /* screen init */
122  sprintf(buff, "TERMINFO=%s", TERMINFO);
123  putenv(buff);
124  initscr();
125  start_color();
[ac70242]126#ifdef HAVE_USE_DEFAULT_COLORS
[7d4fbcd]127  use_default_colors();
[ac70242]128#endif
[7d4fbcd]129  raw();
130  noecho();
131
132  /* define simple color pairs */
133  if (has_colors() && COLOR_PAIRS>=8) {
134    init_pair(OWL_COLOR_BLACK,   COLOR_BLACK,   -1);
135    init_pair(OWL_COLOR_RED,     COLOR_RED,     -1);
136    init_pair(OWL_COLOR_GREEN,   COLOR_GREEN,   -1);
137    init_pair(OWL_COLOR_YELLOW,  COLOR_YELLOW,  -1);
138    init_pair(OWL_COLOR_BLUE,    COLOR_BLUE,    -1);
139    init_pair(OWL_COLOR_MAGENTA, COLOR_MAGENTA, -1);
140    init_pair(OWL_COLOR_CYAN,    COLOR_CYAN,    -1);
141    init_pair(OWL_COLOR_WHITE,   COLOR_WHITE,   -1);
142  }
[38cf544c]143
[bd3f232]144  /* owl global init */
[7d4fbcd]145  owl_global_init(&g);
146  if (debug) owl_global_set_debug_on(&g);
147  owl_global_set_startupargs(&g, argcsave, argvsave);
[09489b89]148#ifdef HAVE_LIBZEPHYR
149  owl_global_set_havezephyr(&g);
150#endif
151  owl_global_set_haveaim(&g);
[2a2bb60]152
153#if OWL_STDERR_REDIR
154  /* Do this only after we've started curses up... */ 
155  newstderr = stderr_replace();
156#endif   
157
[38cf544c]158  /* create the owl directory, in case it does not exist */
159  dir=owl_sprintf("%s/%s", owl_global_get_homedir(&g), OWL_CONFIG_DIR);
160  mkdir(dir, S_IRWXU);
161  owl_free(dir);
[5145235]162
[ced25d1]163  /* set the tty, either from the command line, or by figuring it out */
[61e79a9]164  if (tty) {
165    owl_global_set_tty(&g, tty);
166  } else {
167    owl_global_set_tty(&g, owl_util_get_default_tty());
168  }
[7d4fbcd]169
[bd3f232]170  /* setup the built-in styles */
171  s=owl_malloc(sizeof(owl_style));
[f1e629d]172  owl_style_create_internal(s, "default", &owl_stylefunc_default,
173                            "Default message formatting");
[bd3f232]174  owl_global_add_style(&g, s);
175
176  s=owl_malloc(sizeof(owl_style));
[f1e629d]177  owl_style_create_internal(s, "basic", &owl_stylefunc_basic,
178                            "Basic message formatting.");
[bd3f232]179  owl_global_add_style(&g, s);
[ec6ff52]180#if 0
181  s=owl_malloc(sizeof(owl_style));
182  owl_style_create_internal(s, "vt", &owl_stylefunc_vt,
183                            "VT message formatting.");
184  owl_global_add_style(&g, s);
185#endif
[8b32593]186  s=owl_malloc(sizeof(owl_style));
[f1e629d]187  owl_style_create_internal(s, "oneline", &owl_stylefunc_oneline,
188                            "Formats for one-line-per-message");
[8b32593]189  owl_global_add_style(&g, s);
190
[7d4fbcd]191  /* setup the default filters */
[3abf28b]192  /* the personal filter will need to change again when AIM chat's are
193   *  included.  Also, there should be an %aimme% */
[bd3f232]194  f=owl_malloc(sizeof(owl_filter));
[3abf28b]195  owl_filter_init_fromstring(f, "personal", "( type ^zephyr$ "
196                             "and class ^message$ and instance ^personal$ "
197                             "and ( recipient ^%me%$ or sender ^%me%$ ) ) "
[3723f31]198                             "or ( type ^aim$ and login ^none$ )");
[7d4fbcd]199  owl_list_append_element(owl_global_get_filterlist(&g), f);
200
[bd3f232]201  f=owl_malloc(sizeof(owl_filter));
[0c502e9]202  owl_filter_init_fromstring(f, "trash", "class ^mail$ or opcode ^ping$ or type ^admin$ or ( not login ^none$ )");
[7d4fbcd]203  owl_list_append_element(owl_global_get_filterlist(&g), f);
204
[bd3f232]205  f=owl_malloc(sizeof(owl_filter));
[0236842]206  owl_filter_init_fromstring(f, "ping", "opcode ^ping$");
207  owl_list_append_element(owl_global_get_filterlist(&g), f);
208
[bd3f232]209  f=owl_malloc(sizeof(owl_filter));
[0236842]210  owl_filter_init_fromstring(f, "auto", "opcode ^auto$");
211  owl_list_append_element(owl_global_get_filterlist(&g), f);
212
[bd3f232]213  f=owl_malloc(sizeof(owl_filter));
[0c502e9]214  owl_filter_init_fromstring(f, "login", "not login ^none$");
[0236842]215  owl_list_append_element(owl_global_get_filterlist(&g), f);
216
[bd3f232]217  f=owl_malloc(sizeof(owl_filter));
[7d4fbcd]218  owl_filter_init_fromstring(f, "reply-lockout", "class ^noc or class ^mail$");
219  owl_list_append_element(owl_global_get_filterlist(&g), f);
220
[bd3f232]221  f=owl_malloc(sizeof(owl_filter));
[5a6e6b9]222  owl_filter_init_fromstring(f, "out", "direction ^out$");
223  owl_list_append_element(owl_global_get_filterlist(&g), f);
224
[bd3f232]225  f=owl_malloc(sizeof(owl_filter));
[31e48a3]226  owl_filter_init_fromstring(f, "aim", "type ^aim$");
227  owl_list_append_element(owl_global_get_filterlist(&g), f);
228
[bd3f232]229  f=owl_malloc(sizeof(owl_filter));
[31e48a3]230  owl_filter_init_fromstring(f, "zephyr", "type ^zephyr$");
231  owl_list_append_element(owl_global_get_filterlist(&g), f);
232
[bd3f232]233  f=owl_malloc(sizeof(owl_filter));
[89426ab]234  owl_filter_init_fromstring(f, "none", "false");
235  owl_list_append_element(owl_global_get_filterlist(&g), f);
236
[bd3f232]237  f=owl_malloc(sizeof(owl_filter));
[89426ab]238  owl_filter_init_fromstring(f, "all", "true");
[7d4fbcd]239  owl_list_append_element(owl_global_get_filterlist(&g), f);
240
241  /* set the current view */
[c3ab155]242  owl_view_create(owl_global_get_current_view(&g), "main", f, owl_global_get_style_by_name(&g, "default"));
[7d4fbcd]243
[96f8e5b]244  /* AIM init */
245  owl_aim_init();
246
[38cf544c]247  /* process the startup file */
[2404c3a]248  owl_function_source(NULL);
[38cf544c]249
[7d4fbcd]250  /* read the config file */
[38cf544c]251  owl_context_set_readconfig(owl_global_get_context(&g));
[f1e629d]252  perlerr=owl_perlconfig_readconfig(configfile);
253  if (perlerr) {
[7d4fbcd]254    endwin();
[f1e629d]255    fprintf(stderr, "\nError parsing configfile: %s\n", perlerr);
[7d4fbcd]256    exit(1);
257  }
[ced25d1]258
[e075479]259  /* if the config defines a formatting function, add 'perl' as a style */
[bd3f232]260  if (owl_global_is_config_format(&g)) {
261    owl_function_debugmsg("Found perl formatting");
262    s=owl_malloc(sizeof(owl_style));
[f1e629d]263    owl_style_create_perl(s, "perl", "owl::_format_msg_legacy_wrap",
264                          "User-defined perl style that calls owl::format_msg"
265                          "with legacy global variable support");
[bd3f232]266    owl_global_add_style(&g, s);
[e075479]267    owl_global_set_default_style(&g, "perl");
[bd3f232]268  }
269
[ced25d1]270  /* execute the startup function in the configfile */
[f1e629d]271  perlout = owl_perlconfig_execute("owl::startup();");
[7d4fbcd]272  if (perlout) owl_free(perlout);
273  owl_function_debugmsg("-- Owl Startup --");
274 
275  /* hold on to the window names for convenience */
276  msgwin=owl_global_get_curs_msgwin(&g);
277  recwin=owl_global_get_curs_recwin(&g);
278  sepwin=owl_global_get_curs_sepwin(&g);
279  typwin=owl_global_get_curs_typwin(&g);
280  tw=owl_global_get_typwin(&g);
281
[252a5c2]282  /* welcome message */
283  strcpy(startupmsg, "-------------------------------------------------------------------------\n");
284  sprintf(buff,      "Welcome to Owl version %s.  Press 'h' for on-line help. \n", OWL_VERSION_STRING);
285  strcat(startupmsg, buff);
286  strcat(startupmsg, "                                                                         \n");
287  strcat(startupmsg, "If you would like to receive release announcements about owl you can join \n");
288  strcat(startupmsg, "the owl-users@mit.edu mailing list.  MIT users can add themselves,       \n");
289  strcat(startupmsg, "otherwise send a request to owner-owl-users@mit.edu.               ^ ^   \n");
290  strcat(startupmsg, "                                                                   OvO   \n");
291  strcat(startupmsg, "Please report any bugs or suggestions to bug-owl@mit.edu          (   )  \n");
292  strcat(startupmsg, "-------------------------------------------------------------------m-m---\n");
293  owl_function_adminmsg("", startupmsg);
294  sepbar(NULL);
295
[7d4fbcd]296  wrefresh(sepwin);
297
298  /* load zephyr subs */
[bd3f232]299  if (initialsubs) {
300    /* load normal subscriptions */
301    ret=owl_zephyr_loadsubs(NULL);
[252a5c2]302    if (ret==-1) {
303      owl_function_adminmsg("", "Error loading subscriptions, file inaccessable");
304    } else if (ret!=0) {
305      owl_function_adminmsg("", "Error loading subscriptions");
306    }
307   
[bd3f232]308    if (ret!=-1) {
309      owl_global_add_userclue(&g, OWL_USERCLUE_CLASSES);
310    }
[7d4fbcd]311
[bd3f232]312    /* load login subscriptions */
313    if (owl_global_is_loginsubs(&g)) {
314      owl_function_loadloginsubs(NULL);
315    }
[7d4fbcd]316  }
317
[f933403]318  /* set the startup and default style, based on userclue and presence of a
319   * formatting function */
[27c3a93]320  if (0 != strcmp(owl_global_get_default_style(&g), "__unspecified__")) {
321    /* the style was set by the user: leave it alone */
322  } else if (owl_global_is_config_format(&g)) {
[f933403]323    owl_global_set_default_style(&g, "perl");
324  } else if (owl_global_is_userclue(&g, OWL_USERCLUE_CLASSES)) {
325    owl_global_set_default_style(&g, "default");
326  } else {
327    owl_global_set_default_style(&g, "basic");
328  }
329
[7d4fbcd]330  /* zlog in if we need to */
331  if (owl_global_is_startuplogin(&g)) {
[31e48a3]332    owl_zephyr_zlog_in();
[7d4fbcd]333  }
334
[f1e629d]335  owl_view_set_style(owl_global_get_current_view(&g), 
336                     owl_global_get_style_by_name(&g, owl_global_get_default_style(&g)));   
[7d4fbcd]337 
338  owl_context_set_interactive(owl_global_get_context(&g));
339
[a15a84f]340  nexttimediff=10;
[4b464a4]341  nexttime=time(NULL);
342
[7d4fbcd]343  /* main loop */
344  while (1) {
345
346    /* if a resize has been scheduled, deal with it */
347    owl_global_resize(&g, 0, 0);
348
349    /* these are here in case a resize changes the windows */
350    msgwin=owl_global_get_curs_msgwin(&g);
351    recwin=owl_global_get_curs_recwin(&g);
352    sepwin=owl_global_get_curs_sepwin(&g);
353    typwin=owl_global_get_curs_typwin(&g);
354
355    followlast=owl_global_should_followlast(&g);
[5789230]356   
[a352335c]357    /* Do AIM stuff */
358    if (owl_global_is_doaimevents(&g)) {
[5789230]359      owl_aim_process_events();
[de03334]360
[a352335c]361      if (owl_global_is_aimloggedin(&g)) {
362        if (owl_timer_is_expired(owl_global_get_aim_buddyinfo_timer(&g))) {
[f4d0975]363          /* owl_buddylist_request_idletimes(owl_global_get_buddylist(&g)); */
[a352335c]364          owl_timer_reset(owl_global_get_aim_buddyinfo_timer(&g));
365        }
[de03334]366      }
[5789230]367    }
368
[4b464a4]369    /* little hack */
[a15a84f]370    now=time(NULL);
371    today=localtime(&now);
372    if (today->tm_mon==9 && today->tm_mday==31 && owl_global_get_runtime(&g)<600) {
[4b464a4]373      if (time(NULL)>nexttime) {
374        if (nexttimediff==1) {
[a15a84f]375          nexttimediff=10;
[4b464a4]376        } else {
377          nexttimediff=1;
378        }
379        nexttime+=nexttimediff;
380        owl_hack_animate();
381      }
382    }
383
[aac889a]384    /* Grab incoming messages. */
[d09e5a1]385    newmsgs=0;
[ced25d1]386    zpendcount=0;
[be0a79f]387    while(owl_zephyr_zpending() || owl_global_messagequeue_pending(&g)) {
[09489b89]388#ifdef HAVE_LIBZEPHYR
[7d4fbcd]389      struct sockaddr_in from;
[09489b89]390#endif
[e6449bc]391      owl_message *m=NULL;
[ecd5dc5]392      owl_filter *f;
[09489b89]393
[bd3f232]394      /* grab the new message, stick it in 'm' */
[be0a79f]395      if (owl_zephyr_zpending()) {
[09489b89]396#ifdef HAVE_LIBZEPHYR
[d09e5a1]397        /* grab a zephyr notice, but if we've done 20 without stopping,
398           take a break to process keystrokes etc. */
399        if (zpendcount>20) break;
400        ZReceiveNotice(&notice, &from);
401        zpendcount++;
402       
403        /* is this an ack from a zephyr we sent? */
404        if (owl_zephyr_notice_is_ack(&notice)) {
405          owl_zephyr_handle_ack(&notice);
406          continue;
407        }
408       
409        /* if it's a ping and we're not viewing pings then skip it */
410        if (!owl_global_is_rxping(&g) && !strcasecmp(notice.z_opcode, "ping")) {
411          continue;
412        }
[7d4fbcd]413
[d09e5a1]414        /* create the new message */
415        m=owl_malloc(sizeof(owl_message));
416        owl_message_create_from_znotice(m, &notice);
[09489b89]417#endif
[d09e5a1]418      } else if (owl_global_messagequeue_pending(&g)) {
419        m=owl_global_messageuque_popmsg(&g);
[7d4fbcd]420      }
421     
[bd3f232]422      /* if this message it on the puntlist, nuke it and continue */
[7d4fbcd]423      if (owl_global_message_is_puntable(&g, m)) {
424        owl_message_free(m);
425        continue;
426      }
427
428      /* otherwise add it to the global list */
429      owl_messagelist_append_element(owl_global_get_msglist(&g), m);
[d09e5a1]430      newmsgs=1;
[7d4fbcd]431
432      /* let the config know the new message has been received */
[f1e629d]433      owl_perlconfig_getmsg(m, 0, NULL);
[7d4fbcd]434
435      /* add it to any necessary views; right now there's only the current view */
436      owl_view_consider_message(owl_global_get_current_view(&g), m);
437
438      /* do we need to autoreply? */
[1077753b]439      if (owl_global_is_zaway(&g)) {
440        if (owl_message_is_type_zephyr(m)) {
441          owl_zephyr_zaway(m);
442        } else if (owl_message_is_type_aim(m)) {
443          /* can't do this, there's no mechanism not to start a loop */
444          /* owl_aim_send_im(owl_message_get_sender(m), owl_global_get_zaway_msg(&g)); */
445        }
[7d4fbcd]446      }
447
448      /* ring the bell if it's a personal */
[3abf28b]449      if (owl_global_is_personalbell(&g) &&
[5789230]450          !owl_message_is_loginout(m) &&
[dafd919]451          !owl_message_is_mail(m) &&
[5789230]452          owl_message_is_private(m)) {
[7d4fbcd]453        owl_function_beep();
454      }
455
[ecd5dc5]456      /* if it matches the alert filter, do the alert action */
457      f=owl_global_get_filter(&g, owl_global_get_alert_filter(&g));
458      if (f && owl_filter_message_match(f, m)) {
459        owl_function_command(owl_global_get_alert_action(&g));
460      }
461
[7d4fbcd]462      /* check for burning ears message */
463      /* this is an unsupported feature */
464      if (owl_global_is_burningears(&g) && owl_message_is_burningears(m)) {
[1c6c4d3]465        char *buff;
466        buff = owl_sprintf("@i(Burning ears message on class %s)", owl_message_get_class(m));
[7d4fbcd]467        owl_function_adminmsg(buff, "");
[1c6c4d3]468        owl_free(buff);
[7d4fbcd]469        owl_function_beep();
470      }
471
[d09e5a1]472      /* log the message if we need to */
[7d4fbcd]473      if (owl_global_is_logging(&g) || owl_global_is_classlogging(&g)) {
474        owl_log_incoming(m);
475      }
476    }
477
478    /* follow the last message if we're supposed to */
[d09e5a1]479    if (newmsgs && followlast) {
[7d4fbcd]480      owl_function_lastmsg_noredisplay();
481    }
[700c712]482
[ced25d1]483    /* do the newmsgproc thing */
[d09e5a1]484    if (newmsgs) {
[8f44c6b]485      owl_function_do_newmsgproc();
[700c712]486    }
[7d4fbcd]487   
488    /* redisplay if necessary */
[d09e5a1]489    /* this should be optimized to not run if the new messages won't be displayed */
490    if (newmsgs) {
[7d4fbcd]491      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
492      sepbar(NULL);
493      if (owl_popwin_is_active(owl_global_get_popwin(&g))) {
494        owl_popwin_refresh(owl_global_get_popwin(&g));
495        /* TODO: this is a broken kludge */
496        if (owl_global_get_viewwin(&g)) {
497          owl_viewwin_redisplay(owl_global_get_viewwin(&g), 0);
498        }
499      }
500      owl_global_set_needrefresh(&g);
501    }
502
503    /* if a popwin just came up, refresh it */
504    pw=owl_global_get_popwin(&g);
505    if (owl_popwin_is_active(pw) && owl_popwin_needs_first_refresh(pw)) {
506      owl_popwin_refresh(pw);
507      owl_popwin_no_needs_first_refresh(pw);
508      owl_global_set_needrefresh(&g);
509      /* TODO: this is a broken kludge */
510      if (owl_global_get_viewwin(&g)) {
511        owl_viewwin_redisplay(owl_global_get_viewwin(&g), 0);
512      }
513    }
514
515    /* update the terminal if we need to */
516    if (owl_global_is_needrefresh(&g)) {
517      /* leave the cursor in the appropriate window */
518      if (owl_global_is_typwin_active(&g)) {
519        owl_function_set_cursor(typwin);
520      } else {
521        owl_function_set_cursor(sepwin);
522      }
523      doupdate();
524      owl_global_set_noneedrefresh(&g);
525    }
526
[bd3f232]527    /* Handle all keypresses.  If no key has been pressed, sleep for a
528     * little bit, but otherwise do not.  This lets input be grabbed
529     * as quickly as possbile */
[7d4fbcd]530    j=wgetch(typwin);
531    if (j==ERR) {
532      usleep(10);
533      continue;
534    }
535    /* find and activate the current keymap.
536     * TODO: this should really get fixed by activating
537     * keymaps as we switch between windows...
538     */
539    if (pw && owl_popwin_is_active(pw) && owl_global_get_viewwin(&g)) {
540      owl_context_set_popless(owl_global_get_context(&g), 
541                              owl_global_get_viewwin(&g));
542      owl_function_activate_keymap("popless");
543    } else if (owl_global_is_typwin_active(&g) 
544               && owl_editwin_get_style(tw)==OWL_EDITWIN_STYLE_ONELINE) {
[cf83b7a]545      /*
[7d4fbcd]546      owl_context_set_editline(owl_global_get_context(&g), tw);
547      owl_function_activate_keymap("editline");
[cf83b7a]548      */
[7d4fbcd]549    } else if (owl_global_is_typwin_active(&g) 
550               && owl_editwin_get_style(tw)==OWL_EDITWIN_STYLE_MULTILINE) {
551      owl_context_set_editmulti(owl_global_get_context(&g), tw);
552      owl_function_activate_keymap("editmulti");
553    } else {
554      owl_context_set_recv(owl_global_get_context(&g));
555      owl_function_activate_keymap("recv");
556    }
557    /* now actually handle the keypress */
558    ret = owl_keyhandler_process(owl_global_get_keyhandler(&g), j);
559    if (ret!=0 && ret!=1) {
560      owl_function_makemsg("Unable to handle keypress");
561    }
[2a2bb60]562
563#if OWL_STDERR_REDIR
564    stderr_redirect(newstderr);
565#endif   
566
[7d4fbcd]567  }
568}
569
570void sig_handler(int sig) {
571  if (sig==SIGWINCH) {
[bd3f232]572    /* we can't inturrupt a malloc here, so it just sets a flag
573     * schedulding a resize for later
574     */
[7d4fbcd]575    owl_function_resize();
576  }
577}
578
579void usage() {
[e7cc1c3]580  fprintf(stderr, "Owl version %s\n", OWL_VERSION_STRING);
581  fprintf(stderr, "Usage: owl [-n] [-d] [-v] [-h] [-c <configfile>] [-t <ttyname>]\n");
582  fprintf(stderr, "  -n      don't load zephyr subscriptions\n");
583  fprintf(stderr, "  -d      enable debugging\n");
584  fprintf(stderr, "  -v      print the Owl version number and exit\n");
585  fprintf(stderr, "  -h      print this help message\n");
586  fprintf(stderr, "  -c      specify an alternate config file\n");
587  fprintf(stderr, "  -t      set the tty name\n");
[7d4fbcd]588}
[2a2bb60]589
590
591
592#if OWL_STDERR_REDIR
593
594/* Replaces stderr with a pipe so that we can read from it.
595 * Returns the fd of the pipe from which stderr can be read. */
596int stderr_replace(void) {
597  int pipefds[2];
598  if (0 != pipe(pipefds)) {
599    perror("pipe");
600    owl_function_debugmsg("stderr_replace: pipe FAILED\n");
601    return -1;
602  }
603    owl_function_debugmsg("stderr_replace: pipe: %d,%d\n", pipefds[0], pipefds[1]);
604  if (-1 == dup2(pipefds[1], 2 /*stderr*/)) {
605    owl_function_debugmsg("stderr_replace: dup2 FAILED (%s)\n", strerror(errno));
606    perror("dup2");
607    return -1;
608  }
609  return pipefds[0];
610}
611
612/* Sends stderr (read from rfd) messages to a file */
613void stderr_redirect(int rfd) {
614  int navail, bread;
615  char *buf;
616  /*owl_function_debugmsg("stderr_redirect: called with rfd=%d\n", rfd);*/
617  if (rfd<0) return;
618  if (-1 == ioctl(rfd, FIONREAD, (void*)&navail)) {
619    return;
620  }
621  /*owl_function_debugmsg("stderr_redirect: navail = %d\n", navail);*/
622  if (navail<=0) return;
623  if (navail>256) { navail = 256; }
624  buf = owl_malloc(navail+1);
625  bread = read(rfd, buf, navail);
626  if (buf[navail-1] != '\0') {
627    buf[navail] = '\0';
628  }
629  owl_function_error("Err: %s", buf);
630  owl_free(buf);
631}
632
633#endif /* OWL_STDERR_REDIR */
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