ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/init.C
Revision: 1.225
Committed: Tue Dec 11 11:39:06 2007 UTC (16 years, 5 months ago) by ayin
Content type: text/plain
Branch: MAIN
Changes since 1.224: +0 -2 lines
Log Message:
We require termios.h.

File Contents

# Content
1 /*----------------------------------------------------------------------*
2 * File: init.C
3 *----------------------------------------------------------------------*
4 *
5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
7 * - original version
8 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
9 * - extensive modifications
10 * Copyright (c) 1996 Chuck Blake <cblake@BBN.COM>
11 * Copyright (c) 1997 mj olesen <olesen@me.queensu.ca>
12 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
13 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
14 * - extensive modifications
15 * Copyright (c) 1999 D J Hawkey Jr <hawkeyd@visi.com>
16 * - QNX support
17 * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
18 *
19 * This program is free software; you can redistribute it and/or modify
20 * it under the terms of the GNU General Public License as published by
21 * the Free Software Foundation; either version 2 of the License, or
22 * (at your option) any later version.
23 *
24 * This program is distributed in the hope that it will be useful,
25 * but WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
27 * GNU General Public License for more details.
28 *
29 * You should have received a copy of the GNU General Public License
30 * along with this program; if not, write to the Free Software
31 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
32 *---------------------------------------------------------------------*/
33 /*
34 * Initialisation routines.
35 */
36
37 #include "../config.h" /* NECESSARY */
38 #include "rxvt.h" /* NECESSARY */
39 #include "rxvtutil.h"
40 #include "init.h"
41
42 #include <limits>
43
44 #include <csignal>
45
46 #ifdef HAVE_XSETLOCALE
47 # define X_LOCALE
48 # include <X11/Xlocale.h>
49 #else
50 # ifdef HAVE_SETLOCALE
51 # include <clocale>
52 # endif
53 #endif
54
55 #ifdef HAVE_NL_LANGINFO
56 # include <langinfo.h>
57 #endif
58
59 #ifdef DISPLAY_IS_IP
60 /* On Solaris link with -lsocket and -lnsl */
61 #include <sys/types.h>
62 #include <sys/socket.h>
63
64 /* these next two are probably only on Sun (not Solaris) */
65 #ifdef HAVE_SYS_SOCKIO_H
66 #include <sys/sockio.h>
67 #endif
68 #ifdef HAVE_SYS_BYTEORDER_H
69 #include <sys/byteorder.h>
70 #endif
71
72 #include <netinet/in.h>
73 #include <arpa/inet.h>
74 #include <net/if.h>
75 #include <net/if_arp.h>
76
77 static char *
78 rxvt_network_display (const char *display)
79 {
80 char buffer[1024], *rval = NULL;
81 struct ifconf ifc;
82 struct ifreq *ifr;
83 int i, skfd;
84
85 if (display[0] != ':' && strncmp (display, "unix:", 5))
86 return (char *) display; /* nothing to do */
87
88 ifc.ifc_len = sizeof (buffer); /* Get names of all ifaces */
89 ifc.ifc_buf = buffer;
90
91 if ((skfd = socket (AF_INET, SOCK_DGRAM, 0)) < 0)
92 {
93 perror ("socket");
94 return NULL;
95 }
96
97 if (ioctl (skfd, SIOCGIFCONF, &ifc) < 0)
98 {
99 perror ("SIOCGIFCONF");
100 close (skfd);
101 return NULL;
102 }
103
104 for (i = 0, ifr = ifc.ifc_req;
105 i < (ifc.ifc_len / sizeof (struct ifreq));
106 i++, ifr++)
107 {
108 struct ifreq ifr2;
109
110 strcpy (ifr2.ifr_name, ifr->ifr_name);
111
112 if (ioctl (skfd, SIOCGIFADDR, &ifr2) >= 0)
113 {
114 unsigned long addr;
115 struct sockaddr_in *p_addr;
116
117 p_addr = (struct sockaddr_in *) &ifr2.ifr_addr;
118 addr = htonl ((unsigned long)p_addr->sin_addr.s_addr);
119
120 /*
121 * not "0.0.0.0" or "127.0.0.1" - so format the address
122 */
123 if (addr && addr != 0x7F000001)
124 {
125 char *colon = strchr (display, ':');
126
127 if (colon == NULL)
128 colon = ":0.0";
129
130 rval = rxvt_malloc (strlen (colon) + 16);
131 sprintf (rval, "%d.%d.%d.%d%s",
132 (int) ((addr >> 030) & 0xFF),
133 (int) ((addr >> 020) & 0xFF),
134 (int) ((addr >> 010) & 0xFF),
135 (int) (addr & 0xFF), colon);
136 break;
137 }
138 }
139 }
140
141 close (skfd);
142
143 return rval;
144 }
145 #endif
146
147 const char *const def_colorName[] =
148 {
149 COLOR_FOREGROUND,
150 COLOR_BACKGROUND,
151 /* low-intensity colors */
152 "rgb:00/00/00", // 0: black (Black)
153 "rgb:cd/00/00", // 1: red (Red3)
154 "rgb:00/cd/00", // 2: green (Green3)
155 "rgb:cd/cd/00", // 3: yellow (Yellow3)
156 "rgb:00/00/cd", // 4: blue (Blue3)
157 "rgb:cd/00/cd", // 5: magenta (Magenta3)
158 "rgb:00/cd/cd", // 6: cyan (Cyan3)
159 # ifdef XTERM_COLORS
160 "rgb:e5/e5/e5", // 7: white (Grey90)
161 # else
162 "rgb:fa/eb/d7", // 7: white (AntiqueWhite)
163 # endif
164 /* high-intensity colors */
165 # ifdef XTERM_COLORS
166 "rgb:4d/4d/4d", // 8: bright black (Grey30)
167 # else
168 "rgb:40/40/40", // 8: bright black (Grey25)
169 # endif
170 "rgb:ff/00/00", // 1/9: bright red (Reed)
171 "rgb:00/ff/00", // 2/10: bright green (Green)
172 "rgb:ff/ff/00", // 3/11: bright yellow (Yellow)
173 "rgb:00/00/ff", // 4/12: bright blue (Blue)
174 "rgb:ff/00/ff", // 5/13: bright magenta (Magenta)
175 "rgb:00/ff/ff", // 6/14: bright cyan (Cyan)
176 "rgb:ff/ff/ff", // 7/15: bright white (White)
177
178 // 88 xterm colours
179 "rgb:00/00/00",
180 "rgb:00/00/8b",
181 "rgb:00/00/cd",
182 "rgb:00/00/ff",
183 "rgb:00/8b/00",
184 "rgb:00/8b/8b",
185 "rgb:00/8b/cd",
186 "rgb:00/8b/ff",
187 "rgb:00/cd/00",
188 "rgb:00/cd/8b",
189 "rgb:00/cd/cd",
190 "rgb:00/cd/ff",
191 "rgb:00/ff/00",
192 "rgb:00/ff/8b",
193 "rgb:00/ff/cd",
194 "rgb:00/ff/ff",
195 "rgb:8b/00/00",
196 "rgb:8b/00/8b",
197 "rgb:8b/00/cd",
198 "rgb:8b/00/ff",
199 "rgb:8b/8b/00",
200 "rgb:8b/8b/8b",
201 "rgb:8b/8b/cd",
202 "rgb:8b/8b/ff",
203 "rgb:8b/cd/00",
204 "rgb:8b/cd/8b",
205 "rgb:8b/cd/cd",
206 "rgb:8b/cd/ff",
207 "rgb:8b/ff/00",
208 "rgb:8b/ff/8b",
209 "rgb:8b/ff/cd",
210 "rgb:8b/ff/ff",
211 "rgb:cd/00/00",
212 "rgb:cd/00/8b",
213 "rgb:cd/00/cd",
214 "rgb:cd/00/ff",
215 "rgb:cd/8b/00",
216 "rgb:cd/8b/8b",
217 "rgb:cd/8b/cd",
218 "rgb:cd/8b/ff",
219 "rgb:cd/cd/00",
220 "rgb:cd/cd/8b",
221 "rgb:cd/cd/cd",
222 "rgb:cd/cd/ff",
223 "rgb:cd/ff/00",
224 "rgb:cd/ff/8b",
225 "rgb:cd/ff/cd",
226 "rgb:cd/ff/ff",
227 "rgb:ff/00/00",
228 "rgb:ff/00/8b",
229 "rgb:ff/00/cd",
230 "rgb:ff/00/ff",
231 "rgb:ff/8b/00",
232 "rgb:ff/8b/8b",
233 "rgb:ff/8b/cd",
234 "rgb:ff/8b/ff",
235 "rgb:ff/cd/00",
236 "rgb:ff/cd/8b",
237 "rgb:ff/cd/cd",
238 "rgb:ff/cd/ff",
239 "rgb:ff/ff/00",
240 "rgb:ff/ff/8b",
241 "rgb:ff/ff/cd",
242 "rgb:ff/ff/ff",
243 "rgb:2e/2e/2e",
244 "rgb:5c/5c/5c",
245 "rgb:73/73/73",
246 "rgb:8b/8b/8b",
247 "rgb:a2/a2/a2",
248 "rgb:b9/b9/b9",
249 "rgb:d0/d0/d0",
250 "rgb:e7/e7/e7",
251
252 #ifndef NO_CURSORCOLOR
253 COLOR_CURSOR_BACKGROUND,
254 COLOR_CURSOR_FOREGROUND,
255 #endif /* ! NO_CURSORCOLOR */
256 NULL, /* Color_pointer_fg */
257 NULL, /* Color_pointer_bg */
258 NULL, /* Color_border */
259 #ifndef NO_BOLD_UNDERLINE_REVERSE
260 NULL, /* Color_BD */
261 NULL, /* Color_IT */
262 NULL, /* Color_UL */
263 NULL, /* Color_RV */
264 #endif /* ! NO_BOLD_UNDERLINE_REVERSE */
265 #if ENABLE_FRILLS
266 NULL, // Color_underline
267 #endif
268 #ifdef OPTION_HC
269 NULL,
270 #endif
271 #ifdef KEEP_SCROLLCOLOR
272 COLOR_SCROLLBAR,
273 COLOR_SCROLLTROUGH,
274 #endif /* KEEP_SCROLLCOLOR */
275 #if ENABLE_TRANSPARENCY
276 NULL,
277 #endif
278 #if OFF_FOCUS_FADING
279 "rgb:00/00/00",
280 #endif
281 };
282
283 bool
284 rxvt_term::init_vars ()
285 {
286 pix_colors = //
287 pix_colors_focused = new rxvt_color [TOTAL_COLORS];
288 #ifdef OFF_FOCUS_FADING
289 pix_colors_unfocused = new rxvt_color [TOTAL_COLORS];
290 #endif
291
292
293 MEvent.time = CurrentTime;
294 MEvent.button = AnyButton;
295 want_refresh = 1;
296 priv_modes = SavedModes = PrivMode_Default;
297 ncol = 80;
298 nrow = 24;
299 int_bwidth = INTERNALBORDERWIDTH;
300 ext_bwidth = EXTERNALBORDERWIDTH;
301 lineSpace = LINESPACE;
302 saveLines = SAVELINES;
303 numpix_colors = TOTAL_COLORS;
304
305 refresh_type = SLOW_REFRESH;
306
307 oldcursor.row = oldcursor.col = -1;
308 last_bot = last_state = -1;
309
310 set_option (Opt_scrollBar);
311 set_option (Opt_scrollTtyOutput);
312 set_option (Opt_jumpScroll);
313 set_option (Opt_skipScroll);
314 set_option (Opt_secondaryScreen);
315 set_option (Opt_secondaryScroll);
316 set_option (Opt_pastableTabs);
317 set_option (Opt_intensityStyles);
318 set_option (Opt_iso14755_52);
319
320 return true;
321 }
322
323 void
324 rxvt_term::init_secondary ()
325 {
326 int i;
327
328 /*
329 * Close all unused file descriptors
330 * We don't want them, we don't need them.
331 */
332 if ((i = open ("/dev/null", O_RDONLY)) < 0)
333 {
334 /* TODO: BOO HISS */
335 dup2 (STDERR_FILENO, STDIN_FILENO);
336 }
337 else if (i != STDIN_FILENO)
338 {
339 dup2 (i, STDIN_FILENO);
340 close (i);
341 }
342
343 dup2 (STDERR_FILENO, STDOUT_FILENO);
344
345 #if 0 // schmorp sayz closing filies is murder
346 for (i = STDERR_FILENO + 1; i < num_fds; i++)
347 {
348 #ifdef __sgi /* Alex Coventry says we need 4 & 7 too */
349 if (i == 4 || i == 7)
350 continue;
351 #endif
352 close (i);
353 }
354 #endif
355 }
356
357 /*----------------------------------------------------------------------*/
358 const char **
359 rxvt_term::init_resources (int argc, const char *const *argv)
360 {
361 int i, r_argc;
362 const char **cmd_argv, **r_argv;
363
364 /*
365 * Look for -e option. Find => split and make cmd_argv[] of command args
366 */
367 for (r_argc = 0; r_argc < argc; r_argc++)
368 if (!strcmp (argv[r_argc], "-e"))
369 break;
370
371 if (r_argc == argc)
372 cmd_argv = NULL;
373 else if (!argv[r_argc + 1])
374 rxvt_fatal ("option '-e' requires an argument, aborting.\n");
375 else
376 {
377 cmd_argv = (const char **)rxvt_malloc (sizeof (char *) * (argc - r_argc));
378
379 for (i = 0; i < argc - r_argc - 1; i++)
380 cmd_argv[i] = (const char *)argv[i + r_argc + 1];
381
382 cmd_argv[i] = NULL;
383 }
384
385 r_argv = (const char **)rxvt_malloc (sizeof (char *) * (r_argc + 1));
386
387 for (i = 0; i < r_argc; i++)
388 r_argv[i] = (const char *)argv[i];
389
390 r_argv[i] = NULL;
391
392 rs[Rs_name] = rxvt_basename (argv[0]);
393
394 /*
395 * Open display, get options/resources and create the window
396 */
397
398 if ((rs[Rs_display_name] = getenv ("DISPLAY")) == NULL)
399 rs[Rs_display_name] = ":0";
400
401 get_options (r_argc, r_argv);
402
403 if (!(display = displays.get (rs[Rs_display_name])))
404 {
405 free (r_argv);
406 rxvt_fatal ("can't open display %s, aborting.\n", rs[Rs_display_name]);
407 }
408
409 // using a local pointer decreases code size a lot
410 xa = display->xa;
411
412 set (display);
413 extract_resources ();
414
415 #if XFT
416 if (rs[Rs_depth])
417 select_visual (strtol (rs[Rs_depth], 0, 0));
418 #endif
419
420 #ifdef HAVE_AFTERIMAGE
421 asv = create_asvisual_for_id (dpy, display->screen, depth, XVisualIDFromVisual (visual), cmap, NULL);
422 #endif
423 free (r_argv);
424
425 for (int i = NUM_RESOURCES; i--; )
426 if (rs [i] == resval_undef)
427 rs [i] = 0;
428
429 #if ENABLE_PERL
430 if (!rs[Rs_perl_ext_1])
431 rs[Rs_perl_ext_1] = "default";
432
433 if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
434 || (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
435 || (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
436 {
437 rxvt_perl.init (this);
438 HOOK_INVOKE ((this, HOOK_INIT, DT_END));
439 }
440 #endif
441
442 /*
443 * set any defaults not already set
444 */
445 if (cmd_argv && cmd_argv[0])
446 {
447 if (!rs[Rs_title])
448 rs[Rs_title] = rxvt_basename (cmd_argv[0]);
449 if (!rs[Rs_iconName])
450 rs[Rs_iconName] = rs[Rs_title];
451 }
452 else
453 {
454 if (!rs[Rs_title])
455 rs[Rs_title] = rs[Rs_name];
456 if (!rs[Rs_iconName])
457 rs[Rs_iconName] = rs[Rs_name];
458 }
459
460 if (rs[Rs_saveLines] && (i = atoi (rs[Rs_saveLines])) >= 0)
461 saveLines = min (i, MAX_SAVELINES);
462
463 #if ENABLE_FRILLS
464 if (rs[Rs_int_bwidth] && (i = atoi (rs[Rs_int_bwidth])) >= 0)
465 int_bwidth = min (i, std::numeric_limits<int16_t>::max ());
466
467 if (rs[Rs_ext_bwidth] && (i = atoi (rs[Rs_ext_bwidth])) >= 0)
468 ext_bwidth = min (i, std::numeric_limits<int16_t>::max ());
469
470 if (rs[Rs_lineSpace] && (i = atoi (rs[Rs_lineSpace])) >= 0)
471 lineSpace = min (i, std::numeric_limits<int16_t>::max ());
472 #endif
473
474 #ifdef POINTER_BLANK
475 if (rs[Rs_pointerBlankDelay] && (i = atoi (rs[Rs_pointerBlankDelay])) >= 0)
476 pointerBlankDelay = i;
477 else
478 pointerBlankDelay = 2;
479 #endif
480
481 /* no point having a scrollbar without having any scrollback! */
482 if (!saveLines)
483 set_option (Opt_scrollBar, 0);
484
485 #ifdef PRINTPIPE
486 if (!rs[Rs_print_pipe])
487 rs[Rs_print_pipe] = PRINTPIPE;
488 #endif
489
490 if (!rs[Rs_cutchars])
491 rs[Rs_cutchars] = CUTCHARS;
492
493 #ifndef NO_BACKSPACE_KEY
494 if (!rs[Rs_backspace_key])
495 # ifdef DEFAULT_BACKSPACE
496 rs[Rs_backspace_key] = DEFAULT_BACKSPACE;
497 # else
498 rs[Rs_backspace_key] = "DEC"; /* can toggle between \010 or \177 */
499 # endif
500 #endif
501
502 #ifndef NO_DELETE_KEY
503 if (!rs[Rs_delete_key])
504 # ifdef DEFAULT_DELETE
505 rs[Rs_delete_key] = DEFAULT_DELETE;
506 # else
507 rs[Rs_delete_key] = "\033[3~";
508 # endif
509 #endif
510
511 #ifdef HAVE_SCROLLBARS
512 setup_scrollbar (rs[Rs_scrollBar_align], rs[Rs_scrollstyle], rs[Rs_scrollBar_thickness]);
513 #endif
514
515 #ifdef XTERM_REVERSE_VIDEO
516 /* this is how xterm implements reverseVideo */
517 if (option (Opt_reverseVideo))
518 {
519 if (!rs[Rs_color + Color_fg])
520 rs[Rs_color + Color_fg] = def_colorName[Color_bg];
521
522 if (!rs[Rs_color + Color_bg])
523 rs[Rs_color + Color_bg] = def_colorName[Color_fg];
524 }
525 #endif
526
527 for (i = 0; i < NRS_COLORS; i++)
528 if (!rs[Rs_color + i])
529 rs[Rs_color + i] = def_colorName[i];
530
531 #ifndef XTERM_REVERSE_VIDEO
532 /* this is how we implement reverseVideo */
533 if (option (Opt_reverseVideo))
534 ::swap (rs[Rs_color + Color_fg], rs[Rs_color + Color_bg]);
535 #endif
536
537 /* convenient aliases for setting fg/bg to colors */
538 color_aliases (Color_fg);
539 color_aliases (Color_bg);
540 #ifndef NO_CURSORCOLOR
541 color_aliases (Color_cursor);
542 color_aliases (Color_cursor2);
543 #endif /* NO_CURSORCOLOR */
544 color_aliases (Color_pointer_fg);
545 color_aliases (Color_pointer_bg);
546 color_aliases (Color_border);
547 #ifndef NO_BOLD_UNDERLINE_REVERSE
548 color_aliases (Color_BD);
549 color_aliases (Color_UL);
550 color_aliases (Color_RV);
551 #endif /* ! NO_BOLD_UNDERLINE_REVERSE */
552
553 if (!rs[Rs_color + Color_border])
554 rs[Rs_color + Color_border] = rs[Rs_color + Color_bg];
555
556 return cmd_argv;
557 }
558
559 /*----------------------------------------------------------------------*/
560 void
561 rxvt_term::init_env ()
562 {
563 int i;
564 char *val;
565
566 #ifdef DISPLAY_IS_IP
567 /* Fixup display_name for export over pty to any interested terminal
568 * clients via "ESC[7n" (e.g. shells). Note we use the pure IP number
569 * (for the first non-loopback interface) that we get from
570 * rxvt_network_display (). This is more "name-resolution-portable", if you
571 * will, and probably allows for faster x-client startup if your name
572 * server is beyond a slow link or overloaded at client startup. Of
573 * course that only helps the shell's child processes, not us.
574 *
575 * Giving out the display_name also affords a potential security hole
576 */
577 val = rxvt_network_display (rs[Rs_display_name]);
578 rs[Rs_display_name] = (const char *)val;
579
580 if (val == NULL)
581 #endif /* DISPLAY_IS_IP */
582 val = XDisplayString (dpy);
583
584 if (rs[Rs_display_name] == NULL)
585 rs[Rs_display_name] = val; /* use broken `:0' value */
586
587 i = strlen (val);
588 env_display = (char *)rxvt_malloc (i + 9);
589
590 sprintf (env_display, "DISPLAY=%s", val);
591
592 sprintf (env_windowid, "WINDOWID=%lu", (unsigned long)parent[0]);
593
594 /* add entries to the environment:
595 * @ DISPLAY: in case we started with -display
596 * @ WINDOWID: X window id number of the window
597 * @ COLORTERM: terminal sub-name and also indicates its color
598 * @ TERM: terminal name
599 * @ TERMINFO: path to terminfo directory
600 * @ COLORFGBG: fg;bg color codes
601 */
602 putenv (env_display);
603 putenv (env_windowid);
604
605 if (env_colorfgbg)
606 putenv (env_colorfgbg);
607
608 #ifdef RXVT_TERMINFO
609 putenv ("TERMINFO=" RXVT_TERMINFO);
610 #endif
611
612 if (depth <= 2)
613 putenv ("COLORTERM=" COLORTERMENV "-mono");
614 else
615 putenv ("COLORTERM=" COLORTERMENVFULL);
616
617 if (rs[Rs_term_name] != NULL)
618 {
619 env_term = (char *)rxvt_malloc (strlen (rs[Rs_term_name]) + 6);
620 sprintf (env_term, "TERM=%s", rs[Rs_term_name]);
621 putenv (env_term);
622 }
623 else
624 putenv ("TERM=" TERMENV);
625
626 #ifdef HAVE_UNSETENV
627 /* avoid passing old settings and confusing term size */
628 unsetenv ("LINES");
629 unsetenv ("COLUMNS");
630 unsetenv ("TERMCAP"); /* terminfo should be okay */
631 #endif /* HAVE_UNSETENV */
632 }
633
634 /*----------------------------------------------------------------------*/
635 /*
636 * This is more or less stolen straight from XFree86 xterm.
637 * This should support all European type languages.
638 */
639 void
640 rxvt_term::set_locale (const char *locale)
641 {
642 set_environ (envv);
643
644 #if HAVE_XSETLOCALE || HAVE_SETLOCALE
645 free (this->locale);
646 this->locale = setlocale (LC_CTYPE, locale);
647
648 if (!this->locale)
649 {
650 if (*locale)
651 {
652 rxvt_warn ("unable to set locale \"%s\", using C locale instead.\n", locale);
653 setlocale (LC_CTYPE, "C");
654 }
655 else
656 rxvt_warn ("default locale unavailable, check LC_* and LANG variables. Continuing.\n");
657
658 this->locale = "C";
659 }
660
661
662 this->locale = strdup (this->locale);
663 SET_LOCALE (this->locale);
664 mbstate.reset ();
665 #endif
666
667 #if HAVE_NL_LANGINFO
668 char *codeset = strdup (nl_langinfo (CODESET));
669 // /^UTF.?8/i
670 enc_utf8 = (codeset[0] == 'U' || codeset[0] == 'u')
671 && (codeset[1] == 'T' || codeset[1] == 't')
672 && (codeset[2] == 'F' || codeset[2] == 'f')
673 && (codeset[3] == '8' || codeset[4] == '8');
674 free (codeset);
675 #else
676 enc_utf8 = 0;
677 #endif
678 }
679
680 void
681 rxvt_term::init_xlocale ()
682 {
683 set_environ (envv);
684
685 #ifdef USE_XIM
686 if (!locale)
687 rxvt_warn ("setting locale failed, working without locale support.\n");
688 else
689 {
690 set_string_property (xa[XA_WM_LOCALE_NAME], locale);
691
692 if (!XSupportsLocale ())
693 {
694 rxvt_warn ("the locale is not supported by Xlib, working without locale support.\n");
695 return;
696 }
697
698 im_ev.start (display);
699
700 /* see if we can connect already */
701 im_cb ();
702 }
703 #endif
704 }
705
706 /*----------------------------------------------------------------------*/
707 void
708 rxvt_term::init_command (const char *const *argv)
709 {
710 /*
711 * Initialize the command connection.
712 * This should be called after the X server connection is established.
713 */
714
715 #ifdef META8_OPTION
716 meta_char = option (Opt_meta8) ? 0x80 : C0_ESC;
717 #endif
718
719 get_ourmods ();
720
721 if (!option (Opt_scrollTtyOutput))
722 priv_modes |= PrivMode_TtyOutputInh;
723 if (option (Opt_scrollTtyKeypress))
724 priv_modes |= PrivMode_Keypress;
725 if (!option (Opt_jumpScroll))
726 priv_modes |= PrivMode_smoothScroll;
727
728 #ifndef NO_BACKSPACE_KEY
729 if (strcmp (rs[Rs_backspace_key], "DEC") == 0)
730 priv_modes |= PrivMode_HaveBackSpace;
731 #endif
732
733 /* add value for scrollBar */
734 if (scrollBar.state)
735 {
736 priv_modes |= PrivMode_scrollBar;
737 SavedModes |= PrivMode_scrollBar;
738 }
739
740 run_command (argv);
741 }
742
743 /*----------------------------------------------------------------------*/
744 void
745 rxvt_term::Get_Colours ()
746 {
747 int i;
748
749 #ifdef OFF_FOCUS_FADING
750 pix_colors = pix_colors_focused;
751 #endif
752
753 for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++)
754 {
755 const char *name = rs[Rs_color + i];
756
757 if (!name)
758 continue;
759
760 rxvt_color xcol;
761
762 if (!set_color (xcol, name))
763 {
764 #ifndef XTERM_REVERSE_VIDEO
765 if (i < 2 && option (Opt_reverseVideo))
766 name = def_colorName [1 - i];
767 else
768 #endif
769 name = def_colorName [i];
770
771 if (!name)
772 continue;
773
774 if (!set_color (xcol, name))
775 {
776 switch (i)
777 {
778 case Color_fg:
779 case Color_bg:
780 rxvt_warn ("unable to get foreground/background colour, continuing.\n");
781 name = "";
782 break;
783 #ifndef NO_CURSORCOLOR
784 case Color_cursor2:
785 #endif
786 case Color_pointer_fg:
787 name = rs[Rs_color + Color_fg];
788 xcol.set (this, name);
789 break;
790 default:
791 name = rs[Rs_color + Color_bg];
792 xcol.set (this, name);
793 break;
794 }
795 }
796 }
797
798 pix_colors[i] = xcol;
799 rs[Rs_color + i] = name;
800 }
801
802 if (depth <= 2)
803 {
804 if (!rs[Rs_color + Color_pointer_fg]) alias_color (Color_pointer_fg, Color_fg);
805 if (!rs[Rs_color + Color_pointer_bg]) alias_color (Color_pointer_bg, Color_bg);
806 if (!rs[Rs_color + Color_border] ) alias_color (Color_border, Color_fg);
807 }
808
809 /*
810 * get scrollBar shadow colors
811 *
812 * The calculations of topShadow/bottomShadow values are adapted
813 * from the fvwm window manager.
814 */
815 #ifdef KEEP_SCROLLCOLOR
816 if (depth <= 2)
817 {
818 /* Monochrome */
819 alias_color (Color_scroll, Color_fg);
820 alias_color (Color_topShadow, Color_bg);
821 alias_color (Color_bottomShadow, Color_bg);
822 }
823 else
824 {
825 pix_colors [Color_scroll].fade (this, 50, pix_colors [Color_bottomShadow]);
826
827 rgba cscroll;
828 pix_colors [Color_scroll].get (cscroll);
829
830 /* topShadowColor */
831 if (!pix_colors[Color_topShadow].set (this,
832 rgba (
833 min ((int)rgba::MAX_CC, max (cscroll.r / 5, cscroll.r) * 7 / 5),
834 min ((int)rgba::MAX_CC, max (cscroll.g / 5, cscroll.g) * 7 / 5),
835 min ((int)rgba::MAX_CC, max (cscroll.b / 5, cscroll.b) * 7 / 5),
836 cscroll.a)
837 ))
838 alias_color (Color_topShadow, Color_White);
839 }
840 #endif /* KEEP_SCROLLCOLOR */
841
842 #ifdef OFF_FOCUS_FADING
843 for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++)
844 update_fade_color (i);
845 #endif
846 }
847
848 /*----------------------------------------------------------------------*/
849 /* color aliases, fg/bg bright-bold */
850 void
851 rxvt_term::color_aliases (int idx)
852 {
853 if (rs[Rs_color + idx] && isdigit (* (rs[Rs_color + idx])))
854 {
855 int i = atoi (rs[Rs_color + idx]);
856
857 if (i >= 8 && i <= 15)
858 /* bright colors */
859 rs[Rs_color + idx] = rs[Rs_color + minBrightCOLOR + i - 8];
860 else if (i >= 0 && i <= 7)
861 /* normal colors */
862 rs[Rs_color + idx] = rs[Rs_color + minCOLOR + i];
863 }
864 }
865
866 /*----------------------------------------------------------------------*/
867 /*
868 * Probe the modifier keymap to get the Meta (Alt) and Num_Lock settings
869 * Use resource ``modifier'' to override the Meta modifier
870 */
871 void
872 rxvt_term::get_ourmods ()
873 {
874 int i, j, k;
875 int requestedmeta, realmeta, realalt;
876 const char *cm, *rsmod;
877 XModifierKeymap *map;
878 KeyCode *kc;
879 const unsigned int modmasks[] =
880 {
881 Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
882 };
883
884 requestedmeta = realmeta = realalt = 0;
885 rsmod = rs[Rs_modifier];
886
887 if (rsmod
888 && strcasecmp (rsmod, "mod1") >= 0 && strcasecmp (rsmod, "mod5") <= 0)
889 requestedmeta = rsmod[3] - '0';
890
891 map = XGetModifierMapping (dpy);
892 kc = map->modifiermap;
893
894 for (i = 1; i < 6; i++)
895 {
896 k = (i + 2) * map->max_keypermod; /* skip shift/lock/control */
897
898 for (j = map->max_keypermod; j--; k++)
899 {
900 if (kc[k] == 0)
901 break;
902
903 switch (XKeycodeToKeysym (dpy, kc[k], 0))
904 {
905 case XK_Num_Lock:
906 ModNumLockMask = modmasks[i - 1];
907 continue;
908
909 case XK_ISO_Level3_Shift:
910 ModLevel3Mask = modmasks[i - 1];
911 continue;
912
913 case XK_Meta_L:
914 case XK_Meta_R:
915 cm = "meta";
916 realmeta = i;
917 break;
918
919 case XK_Alt_L:
920 case XK_Alt_R:
921 cm = "alt";
922 realalt = i;
923 break;
924
925 case XK_Super_L:
926 case XK_Super_R:
927 cm = "super";
928 break;
929
930 case XK_Hyper_L:
931 case XK_Hyper_R:
932 cm = "hyper";
933 break;
934
935 default:
936 continue;
937 }
938
939 if (rsmod && strncasecmp (rsmod, cm, strlen (cm)) == 0)
940 requestedmeta = i;
941 }
942 }
943
944 XFreeModifiermap (map);
945
946 i = requestedmeta ? requestedmeta
947 : realmeta ? realmeta
948 : realalt ? realalt
949 : 0;
950
951 if (i)
952 ModMetaMask = modmasks[i - 1];
953 }
954
955 /*----------------------------------------------------------------------*/
956 /* rxvt_Create_Windows () - Open and map the window */
957 void
958 rxvt_term::create_windows (int argc, const char *const *argv)
959 {
960 XClassHint classHint;
961 XWMHints wmHint;
962 #if ENABLE_FRILLS
963 MWMHints mwmhints = { };
964 #endif
965 XGCValues gcvalue;
966 XSetWindowAttributes attributes;
967 Window top, parent;
968
969 dLocal (Display *, dpy);
970
971 /* grab colors before netscape does */
972 Get_Colours ();
973
974 if (!set_fonts ())
975 rxvt_fatal ("unable to load base fontset, please specify a valid one using -fn, aborting.\n");
976
977 parent = display->root;
978
979 attributes.override_redirect = !!option (Opt_override_redirect);
980
981 #if ENABLE_FRILLS
982 if (option (Opt_borderLess))
983 {
984 if (XInternAtom (dpy, "_MOTIF_WM_INFO", True) == None)
985 {
986 // rxvt_warn("Window Manager does not support MWM hints. Bypassing window manager control for borderless window.\n");
987 attributes.override_redirect = true;
988 }
989 else
990 {
991 mwmhints.flags = MWM_HINTS_DECORATIONS;
992 }
993 }
994 #endif
995
996 #if ENABLE_XEMBED
997 if (rs[Rs_embed])
998 {
999 XWindowAttributes wattr;
1000
1001 parent = strtol (rs[Rs_embed], 0, 0);
1002
1003 if (!XGetWindowAttributes (dpy, parent, &wattr))
1004 rxvt_fatal ("invalid window-id specified with -embed, aborting.\n");
1005
1006 window_calc (wattr.width, wattr.height);
1007 }
1008 #endif
1009
1010 window_calc (0, 0);
1011
1012 /* sub-window placement & size in rxvt_resize_subwindows () */
1013 attributes.background_pixel = pix_colors_focused [Color_border];
1014 attributes.border_pixel = pix_colors_focused [Color_border];
1015 attributes.colormap = cmap;
1016
1017 top = XCreateWindow (dpy, parent,
1018 szHint.x, szHint.y,
1019 szHint.width, szHint.height,
1020 ext_bwidth,
1021 depth, InputOutput, visual,
1022 CWColormap | CWBackPixel | CWBorderPixel | CWOverrideRedirect,
1023 &attributes);
1024
1025 this->parent[0] = top;
1026
1027 old_width = szHint.width;
1028 old_height = szHint.height;
1029
1030 process_xterm_seq (XTerm_title, rs[Rs_title], CHAR_ST);
1031 process_xterm_seq (XTerm_iconName, rs[Rs_iconName], CHAR_ST);
1032
1033 classHint.res_name = (char *)rs[Rs_name];
1034 classHint.res_class = (char *)RESCLASS;
1035
1036 wmHint.flags = InputHint | StateHint | WindowGroupHint;
1037 wmHint.input = True;
1038 wmHint.initial_state = option (Opt_iconic) ? IconicState : NormalState;
1039 wmHint.window_group = top;
1040
1041 XmbSetWMProperties (dpy, top, NULL, NULL, (char **)argv, argc,
1042 &szHint, &wmHint, &classHint);
1043
1044 #if ENABLE_FRILLS
1045 if (mwmhints.flags)
1046 XChangeProperty (dpy, top, xa[XA_MOTIF_WM_HINTS], xa[XA_MOTIF_WM_HINTS], 32,
1047 PropModeReplace, (unsigned char *)&mwmhints, PROP_MWM_HINTS_ELEMENTS);
1048 #endif
1049
1050 Atom protocols[] = {
1051 xa[XA_WM_DELETE_WINDOW],
1052 #if ENABLE_EWMH
1053 xa[XA_NET_WM_PING],
1054 #endif
1055 };
1056
1057 XSetWMProtocols (dpy, top, protocols, sizeof (protocols) / sizeof (protocols[0]));
1058
1059 #if ENABLE_FRILLS
1060 if (rs[Rs_transient_for])
1061 XSetTransientForHint (dpy, top, (Window)strtol (rs[Rs_transient_for], 0, 0));
1062 #endif
1063
1064 #if ENABLE_EWMH
1065 long pid = getpid ();
1066
1067 XChangeProperty (dpy, top,
1068 xa[XA_NET_WM_PID], XA_CARDINAL, 32,
1069 PropModeReplace, (unsigned char *)&pid, 1);
1070
1071 // _NET_WM_WINDOW_TYPE is NORMAL, which is the default
1072 #endif
1073
1074 XSelectInput (dpy, top,
1075 KeyPressMask
1076 #if (MOUSE_WHEEL && MOUSE_SLIP_WHEELING) || ENABLE_FRILLS || ISO_14755
1077 | KeyReleaseMask
1078 #endif
1079 | FocusChangeMask | VisibilityChangeMask
1080 | ExposureMask | StructureNotifyMask);
1081
1082 termwin_ev.start (display, top);
1083
1084 /* vt cursor: Black-on-White is standard, but this is more popular */
1085 TermWin_cursor = XCreateFontCursor (dpy, XC_xterm);
1086
1087 #ifdef HAVE_SCROLLBARS
1088 /* cursor scrollBar: Black-on-White */
1089 leftptr_cursor = XCreateFontCursor (dpy, XC_left_ptr);
1090 #endif
1091
1092 /* the vt window */
1093 vt = XCreateSimpleWindow (dpy, top,
1094 window_vt_x, window_vt_y,
1095 width, height,
1096 0,
1097 pix_colors_focused[Color_fg],
1098 pix_colors_focused[Color_bg]);
1099
1100 attributes.bit_gravity = NorthWestGravity;
1101 XChangeWindowAttributes (dpy, vt, CWBitGravity, &attributes);
1102
1103 vt_emask = ExposureMask | ButtonPressMask | ButtonReleaseMask | PropertyChangeMask;
1104
1105 if (option (Opt_pointerBlank))
1106 vt_emask |= PointerMotionMask;
1107 else
1108 vt_emask |= Button1MotionMask | Button3MotionMask;
1109
1110 vt_select_input ();
1111
1112 vt_ev.start (display, vt);
1113
1114 /* graphics context for the vt window */
1115 gcvalue.foreground = pix_colors[Color_fg];
1116 gcvalue.background = pix_colors[Color_bg];
1117 gcvalue.graphics_exposures = 0;
1118
1119 gc = XCreateGC (dpy, vt,
1120 GCForeground | GCBackground | GCGraphicsExposures,
1121 &gcvalue);
1122
1123 drawable = new rxvt_drawable (this, vt);
1124
1125 #ifdef RXVT_SCROLLBAR
1126 gcvalue.foreground = pix_colors[Color_topShadow];
1127 topShadowGC = XCreateGC (dpy, vt, GCForeground, &gcvalue);
1128 gcvalue.foreground = pix_colors[Color_bottomShadow];
1129 botShadowGC = XCreateGC (dpy, vt, GCForeground, &gcvalue);
1130 gcvalue.foreground = pix_colors[ (depth <= 2 ? Color_fg : Color_scroll)];
1131 scrollbarGC = XCreateGC (dpy, vt, GCForeground, &gcvalue);
1132 #endif
1133
1134 #ifdef OFF_FOCUS_FADING
1135 // initially we are in unfocused state
1136 if (rs[Rs_fade])
1137 pix_colors = pix_colors_unfocused;
1138 #endif
1139
1140 pointer_unblank ();
1141 scr_recolour ();
1142 }
1143
1144 /* ------------------------------------------------------------------------- *
1145 * GET TTY CURRENT STATE *
1146 * ------------------------------------------------------------------------- */
1147 void
1148 rxvt_get_ttymode (ttymode_t *tio, int erase)
1149 {
1150 /*
1151 * standard System V termios interface
1152 */
1153 if (GET_TERMIOS (STDIN_FILENO, tio) < 0)
1154 {
1155 // return error - use system defaults,
1156 // where possible, and zero elsewhere
1157 memset (tio, 0, sizeof (ttymode_t));
1158
1159 tio->c_cc[VINTR] = CINTR;
1160 tio->c_cc[VQUIT] = CQUIT;
1161 tio->c_cc[VERASE] = CERASE;
1162 #ifdef VERASE2
1163 tio->c_cc[VERASE2] = CERASE2;
1164 #endif
1165 tio->c_cc[VKILL] = CKILL;
1166 tio->c_cc[VSTART] = CSTART;
1167 tio->c_cc[VSTOP] = CSTOP;
1168 tio->c_cc[VSUSP] = CSUSP;
1169 # ifdef VDSUSP
1170 tio->c_cc[VDSUSP] = CDSUSP;
1171 # endif
1172 # ifdef VREPRINT
1173 tio->c_cc[VREPRINT] = CRPRNT;
1174 # endif
1175 # ifdef VDISCRD
1176 tio->c_cc[VDISCRD] = CFLUSH;
1177 # endif
1178 # ifdef VWERSE
1179 tio->c_cc[VWERSE] = CWERASE;
1180 # endif
1181 # ifdef VLNEXT
1182 tio->c_cc[VLNEXT] = CLNEXT;
1183 # endif
1184 }
1185
1186 tio->c_cc[VEOF] = CEOF;
1187 tio->c_cc[VEOL] = VDISABLE;
1188 # ifdef VEOL2
1189 tio->c_cc[VEOL2] = VDISABLE;
1190 # endif
1191 # ifdef VSWTC
1192 tio->c_cc[VSWTC] = VDISABLE;
1193 # endif
1194 # ifdef VSWTCH
1195 tio->c_cc[VSWTCH] = VDISABLE;
1196 # endif
1197 # if VMIN != VEOF
1198 tio->c_cc[VMIN] = 1;
1199 # endif
1200 # if VTIME != VEOL
1201 tio->c_cc[VTIME] = 0;
1202 # endif
1203
1204 if (erase != -1)
1205 tio->c_cc[VERASE] = (char)erase;
1206
1207 /* input modes */
1208 tio->c_iflag = (BRKINT | IGNPAR | ICRNL
1209 # ifdef IMAXBEL
1210 | IMAXBEL
1211 # endif
1212 | IXON);
1213
1214 /* output modes */
1215 tio->c_oflag = (OPOST | ONLCR);
1216
1217 /* control modes */
1218 tio->c_cflag = (CS8 | CREAD);
1219
1220 /* line discipline modes */
1221 tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
1222 # if defined (ECHOCTL) && defined (ECHOKE)
1223 | ECHOCTL | ECHOKE
1224 # endif
1225 | ECHOE | ECHOK);
1226
1227 /*
1228 * Debugging
1229 */
1230 #ifdef DEBUG_TTYMODE
1231 /* c_iflag bits */
1232 fprintf (stderr, "Input flags\n");
1233
1234 /* cpp token stringize doesn't work on all machines <sigh> */
1235 # define FOO(flag,name) \
1236 if ((tio->c_iflag) & flag) \
1237 fprintf (stderr, "%s ", name)
1238
1239 /* c_iflag bits */
1240 FOO (IGNBRK, "IGNBRK");
1241 FOO (BRKINT, "BRKINT");
1242 FOO (IGNPAR, "IGNPAR");
1243 FOO (PARMRK, "PARMRK");
1244 FOO (INPCK, "INPCK");
1245 FOO (ISTRIP, "ISTRIP");
1246 FOO (INLCR, "INLCR");
1247 FOO (IGNCR, "IGNCR");
1248 FOO (ICRNL, "ICRNL");
1249 FOO (IXON, "IXON");
1250 FOO (IXOFF, "IXOFF");
1251 # ifdef IUCLC
1252 FOO (IUCLC, "IUCLC");
1253 # endif
1254 # ifdef IXANY
1255 FOO (IXANY, "IXANY");
1256 # endif
1257 # ifdef IMAXBEL
1258 FOO (IMAXBEL, "IMAXBEL");
1259 # endif
1260
1261 fprintf (stderr, "\n");
1262
1263 # undef FOO
1264 # define FOO(entry, name) \
1265 fprintf (stderr, "%-8s = %#04o\n", name, tio->c_cc [entry])
1266
1267 FOO (VINTR, "VINTR");
1268 FOO (VQUIT, "VQUIT");
1269 FOO (VERASE, "VERASE");
1270 FOO (VKILL, "VKILL");
1271 FOO (VEOF, "VEOF");
1272 FOO (VEOL, "VEOL");
1273 # ifdef VEOL2
1274 FOO (VEOL2, "VEOL2");
1275 # endif
1276 # ifdef VSWTC
1277 FOO (VSWTC, "VSWTC");
1278 # endif
1279 # ifdef VSWTCH
1280 FOO (VSWTCH, "VSWTCH");
1281 # endif
1282 FOO (VSTART, "VSTART");
1283 FOO (VSTOP, "VSTOP");
1284 FOO (VSUSP, "VSUSP");
1285 # ifdef VDSUSP
1286 FOO (VDSUSP, "VDSUSP");
1287 # endif
1288 # ifdef VREPRINT
1289 FOO (VREPRINT, "VREPRINT");
1290 # endif
1291 # ifdef VDISCRD
1292 FOO (VDISCRD, "VDISCRD");
1293 # endif
1294 # ifdef VWERSE
1295 FOO (VWERSE, "VWERSE");
1296 # endif
1297 # ifdef VLNEXT
1298 FOO (VLNEXT, "VLNEXT");
1299 # endif
1300
1301 fprintf (stderr, "\n");
1302 # undef FOO
1303 #endif /* DEBUG_TTYMODE */
1304 }
1305
1306 /*----------------------------------------------------------------------*/
1307 /*
1308 * Run the command in a subprocess and return a file descriptor for the
1309 * master end of the pseudo-teletype pair with the command talking to
1310 * the slave.
1311 */
1312 void
1313 rxvt_term::run_command (const char *const *argv)
1314 {
1315 #if ENABLE_FRILLS
1316 if (rs[Rs_pty_fd])
1317 {
1318 pty->pty = atoi (rs[Rs_pty_fd]);
1319
1320 if (pty->pty >= 0)
1321 {
1322 if (getfd_hook)
1323 pty->pty = (*getfd_hook) (pty->pty);
1324
1325 if (pty->pty < 0 || fcntl (pty->pty, F_SETFL, O_NONBLOCK))
1326 rxvt_fatal ("unusable pty-fd filehandle, aborting.\n");
1327 }
1328 }
1329 else
1330 #endif
1331 if (!pty->get ())
1332 rxvt_fatal ("can't initialize pseudo-tty, aborting.\n");
1333
1334 int er;
1335
1336 #ifndef NO_BACKSPACE_KEY
1337 if (rs[Rs_backspace_key][0] && !rs[Rs_backspace_key][1])
1338 er = rs[Rs_backspace_key][0];
1339 else if (strcmp (rs[Rs_backspace_key], "DEC") == 0)
1340 er = '\177'; /* the initial state anyway */
1341 else
1342 #endif
1343 er = -1;
1344
1345 rxvt_get_ttymode (&tio, er);
1346 SET_TERMIOS (pty->tty, &tio); /* init terminal attributes */
1347 pty->set_utf8_mode (enc_utf8);
1348
1349 /* set initial window size */
1350 tt_winch ();
1351
1352 #if ENABLE_FRILLS
1353 if (rs[Rs_pty_fd])
1354 return;
1355 #endif
1356
1357 /* spin off the command interpreter */
1358 switch (cmd_pid = fork ())
1359 {
1360 case -1:
1361 {
1362 cmd_pid = 0;
1363 rxvt_fatal ("can't fork, aborting.\n");
1364 }
1365 case 0:
1366 init_env ();
1367
1368 if (!pty->make_controlling_tty ())
1369 fprintf (stderr, "%s: could not obtain control of tty.", RESNAME);
1370 else
1371 {
1372 /* Reopen stdin, stdout and stderr over the tty file descriptor */
1373 dup2 (pty->tty, STDIN_FILENO);
1374 dup2 (pty->tty, STDOUT_FILENO);
1375 dup2 (pty->tty, STDERR_FILENO);
1376
1377 // close all our file handles that we do no longer need
1378 for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
1379 {
1380 if ((*t)->pty->pty > 2) close ((*t)->pty->pty);
1381 if ((*t)->pty->tty > 2) close ((*t)->pty->tty);
1382 }
1383
1384 run_child (argv);
1385 fprintf (stderr, "%s: unable to exec child.", RESNAME);
1386 }
1387
1388 _exit (EXIT_FAILURE);
1389
1390 default:
1391 if (!option (Opt_utmpInhibit))
1392 pty->login (cmd_pid, option (Opt_loginShell), rs[Rs_display_name]);
1393
1394 pty->close_tty ();
1395
1396 child_ev.start (cmd_pid);
1397
1398 HOOK_INVOKE ((this, HOOK_CHILD_START, DT_INT, cmd_pid, DT_END));
1399 break;
1400 }
1401 }
1402
1403 /* ------------------------------------------------------------------------- *
1404 * CHILD PROCESS OPERATIONS *
1405 * ------------------------------------------------------------------------- */
1406 /*
1407 * The only open file descriptor is the slave tty - so no error messages.
1408 * returns are fatal
1409 */
1410 int
1411 rxvt_term::run_child (const char *const *argv)
1412 {
1413 char *login;
1414
1415 if (option (Opt_console))
1416 {
1417 /* be virtual console, fail silently */
1418 #ifdef TIOCCONS
1419 unsigned int on = 1;
1420
1421 ioctl (STDIN_FILENO, TIOCCONS, &on);
1422 #elif defined (SRIOCSREDIR)
1423 int fd;
1424
1425 fd = open (CONSOLE, O_WRONLY, 0);
1426 if (fd >= 0)
1427 if (ioctl (fd, SRIOCSREDIR, NULL) < 0)
1428 close (fd);
1429 #endif /* SRIOCSREDIR */
1430 }
1431
1432 /* reset signals and spin off the command interpreter */
1433 signal (SIGINT, SIG_DFL);
1434 signal (SIGQUIT, SIG_DFL);
1435 signal (SIGCHLD, SIG_DFL);
1436 signal (SIGHUP, SIG_DFL);
1437 signal (SIGPIPE, SIG_DFL);
1438 /*
1439 * mimick login's behavior by disabling the job control signals
1440 * a shell that wants them can turn them back on
1441 */
1442 #ifdef SIGTSTP
1443 signal (SIGTSTP, SIG_IGN);
1444 signal (SIGTTIN, SIG_IGN);
1445 signal (SIGTTOU, SIG_IGN);
1446 #endif /* SIGTSTP */
1447
1448 // unblock signals (signals are blocked by iom.C
1449 sigset_t ss;
1450 sigemptyset (&ss);
1451 sigprocmask (SIG_SETMASK, &ss, 0);
1452
1453 /* command interpreter path */
1454 if (argv)
1455 {
1456 # ifdef DEBUG_CMD
1457 int i;
1458
1459 for (i = 0; argv[i]; i++)
1460 fprintf (stderr, "argv [%d] = \"%s\"\n", i, argv[i]);
1461 # endif
1462
1463 execvp (argv[0], (char *const *)argv);
1464 /* no error message: STDERR is closed! */
1465 }
1466 else
1467 {
1468 const char *argv0, *shell;
1469
1470 if ((shell = getenv ("SHELL")) == NULL || *shell == '\0')
1471 shell = "/bin/sh";
1472
1473 argv0 = (const char *)rxvt_basename (shell);
1474
1475 if (option (Opt_loginShell))
1476 {
1477 login = (char *)rxvt_malloc (strlen (argv0) + 2);
1478
1479 login[0] = '-';
1480 strcpy (&login[1], argv0);
1481 argv0 = login;
1482 }
1483
1484 execlp (shell, argv0, (char *)0);
1485 /* no error message: STDERR is closed! */
1486 }
1487
1488 return -1;
1489 }
1490
1491 /*----------------------- end-of-file (C source) -----------------------*/