ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/init.C
Revision: 1.232
Committed: Tue Dec 18 15:44:55 2007 UTC (16 years, 5 months ago) by sasha
Content type: text/plain
Branch: MAIN
Changes since 1.231: +2 -0 lines
Log Message:
restricted AfterImage output to only report errors and use proper name while doing that

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) 2003-2007 Marc Lehmann <pcg@goof.com>
16 *
17 * This program is free software; you can redistribute it and/or modify
18 * it under the terms of the GNU General Public License as published by
19 * the Free Software Foundation; either version 2 of the License, or
20 * (at your option) any later version.
21 *
22 * This program is distributed in the hope that it will be useful,
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 * GNU General Public License for more details.
26 *
27 * You should have received a copy of the GNU General Public License
28 * along with this program; if not, write to the Free Software
29 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30 *---------------------------------------------------------------------*/
31 /*
32 * Initialisation routines.
33 */
34
35 #include "../config.h" /* NECESSARY */
36 #include "rxvt.h" /* NECESSARY */
37 #include "rxvtutil.h"
38 #include "init.h"
39
40 #include <limits>
41
42 #include <csignal>
43
44 #include <fcntl.h>
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 void
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 MEvent.time = CurrentTime;
293 MEvent.button = AnyButton;
294 want_refresh = 1;
295 priv_modes = SavedModes = PrivMode_Default;
296 ncol = 80;
297 nrow = 24;
298 int_bwidth = INTERNALBORDERWIDTH;
299 ext_bwidth = EXTERNALBORDERWIDTH;
300 lineSpace = LINESPACE;
301 saveLines = SAVELINES;
302
303 refresh_type = SLOW_REFRESH;
304
305 oldcursor.row = oldcursor.col = -1;
306 last_bot = last_state = -1;
307
308 set_option (Opt_scrollBar);
309 set_option (Opt_scrollTtyOutput);
310 set_option (Opt_jumpScroll);
311 set_option (Opt_skipScroll);
312 set_option (Opt_secondaryScreen);
313 set_option (Opt_secondaryScroll);
314 set_option (Opt_pastableTabs);
315 set_option (Opt_intensityStyles);
316 set_option (Opt_iso14755_52);
317 }
318
319 void
320 rxvt_term::init_secondary ()
321 {
322 int i;
323
324 /*
325 * Close all unused file descriptors
326 * We don't want them, we don't need them.
327 */
328 if ((i = open ("/dev/null", O_RDONLY)) < 0)
329 {
330 /* TODO: BOO HISS */
331 dup2 (STDERR_FILENO, STDIN_FILENO);
332 }
333 else if (i != STDIN_FILENO)
334 {
335 dup2 (i, STDIN_FILENO);
336 close (i);
337 }
338
339 dup2 (STDERR_FILENO, STDOUT_FILENO);
340
341 #if 0 // schmorp sayz closing filies is murder
342 for (i = STDERR_FILENO + 1; i < num_fds; i++)
343 {
344 #ifdef __sgi /* Alex Coventry says we need 4 & 7 too */
345 if (i == 4 || i == 7)
346 continue;
347 #endif
348 close (i);
349 }
350 #endif
351 }
352
353 /*----------------------------------------------------------------------*/
354 const char **
355 rxvt_term::init_resources (int argc, const char *const *argv)
356 {
357 int i, r_argc;
358 const char **cmd_argv, **r_argv;
359
360 /*
361 * Look for -e option. Find => split and make cmd_argv[] of command args
362 */
363 for (r_argc = 0; r_argc < argc; r_argc++)
364 if (!strcmp (argv[r_argc], "-e"))
365 break;
366
367 if (r_argc == argc)
368 cmd_argv = NULL;
369 else if (!argv[r_argc + 1])
370 rxvt_fatal ("option '-e' requires an argument, aborting.\n");
371 else
372 {
373 cmd_argv = (const char **)rxvt_malloc (sizeof (char *) * (argc - r_argc));
374
375 for (i = 0; i < argc - r_argc - 1; i++)
376 cmd_argv[i] = (const char *)argv[i + r_argc + 1];
377
378 cmd_argv[i] = NULL;
379 }
380
381 r_argv = (const char **)rxvt_malloc (sizeof (char *) * (r_argc + 1));
382
383 for (i = 0; i < r_argc; i++)
384 r_argv[i] = (const char *)argv[i];
385
386 r_argv[i] = NULL;
387
388 rs[Rs_name] = rxvt_basename (argv[0]);
389
390 /*
391 * Open display, get options/resources and create the window
392 */
393
394 if ((rs[Rs_display_name] = getenv ("DISPLAY")) == NULL)
395 rs[Rs_display_name] = ":0";
396
397 get_options (r_argc, r_argv);
398
399 if (!(display = displays.get (rs[Rs_display_name])))
400 {
401 free (r_argv);
402 rxvt_fatal ("can't open display %s, aborting.\n", rs[Rs_display_name]);
403 }
404
405 // using a local pointer decreases code size a lot
406 xa = display->xa;
407
408 set (display);
409 extract_resources ();
410
411 #if XFT
412 if (rs[Rs_depth])
413 select_visual (strtol (rs[Rs_depth], 0, 0));
414 #endif
415
416 #ifdef HAVE_AFTERIMAGE
417 set_application_name ((char*)rs[Rs_name]);
418 set_output_threshold (OUTPUT_LEVEL_WARNING);
419 asv = create_asvisual_for_id (dpy, display->screen, depth, XVisualIDFromVisual (visual), cmap, NULL);
420 #endif
421 free (r_argv);
422
423 for (int i = NUM_RESOURCES; i--; )
424 if (rs [i] == resval_undef)
425 rs [i] = 0;
426
427 #if ENABLE_PERL
428 if (!rs[Rs_perl_ext_1])
429 rs[Rs_perl_ext_1] = "default";
430
431 if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
432 || (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
433 || (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
434 {
435 rxvt_perl.init (this);
436 HOOK_INVOKE ((this, HOOK_INIT, DT_END));
437 }
438 #endif
439
440 /*
441 * set any defaults not already set
442 */
443 if (cmd_argv && cmd_argv[0])
444 {
445 if (!rs[Rs_title])
446 rs[Rs_title] = rxvt_basename (cmd_argv[0]);
447 if (!rs[Rs_iconName])
448 rs[Rs_iconName] = rs[Rs_title];
449 }
450 else
451 {
452 if (!rs[Rs_title])
453 rs[Rs_title] = rs[Rs_name];
454 if (!rs[Rs_iconName])
455 rs[Rs_iconName] = rs[Rs_name];
456 }
457
458 if (rs[Rs_saveLines] && (i = atoi (rs[Rs_saveLines])) >= 0)
459 saveLines = min (i, MAX_SAVELINES);
460
461 #if ENABLE_FRILLS
462 if (rs[Rs_int_bwidth] && (i = atoi (rs[Rs_int_bwidth])) >= 0)
463 int_bwidth = min (i, std::numeric_limits<int16_t>::max ());
464
465 if (rs[Rs_ext_bwidth] && (i = atoi (rs[Rs_ext_bwidth])) >= 0)
466 ext_bwidth = min (i, std::numeric_limits<int16_t>::max ());
467
468 if (rs[Rs_lineSpace] && (i = atoi (rs[Rs_lineSpace])) >= 0)
469 lineSpace = min (i, std::numeric_limits<int16_t>::max ());
470 #endif
471
472 #ifdef POINTER_BLANK
473 if (rs[Rs_pointerBlankDelay] && (i = atoi (rs[Rs_pointerBlankDelay])) >= 0)
474 pointerBlankDelay = i;
475 else
476 pointerBlankDelay = 2;
477 #endif
478
479 /* no point having a scrollbar without having any scrollback! */
480 if (!saveLines)
481 set_option (Opt_scrollBar, 0);
482
483 #ifdef PRINTPIPE
484 if (!rs[Rs_print_pipe])
485 rs[Rs_print_pipe] = PRINTPIPE;
486 #endif
487
488 if (!rs[Rs_cutchars])
489 rs[Rs_cutchars] = CUTCHARS;
490
491 #ifndef NO_BACKSPACE_KEY
492 if (!rs[Rs_backspace_key])
493 # ifdef DEFAULT_BACKSPACE
494 rs[Rs_backspace_key] = DEFAULT_BACKSPACE;
495 # else
496 rs[Rs_backspace_key] = "DEC"; /* can toggle between \010 or \177 */
497 # endif
498 #endif
499
500 #ifndef NO_DELETE_KEY
501 if (!rs[Rs_delete_key])
502 # ifdef DEFAULT_DELETE
503 rs[Rs_delete_key] = DEFAULT_DELETE;
504 # else
505 rs[Rs_delete_key] = "\033[3~";
506 # endif
507 #endif
508
509 #ifdef HAVE_SCROLLBARS
510 setup_scrollbar (rs[Rs_scrollBar_align], rs[Rs_scrollstyle], rs[Rs_scrollBar_thickness]);
511 #endif
512
513 #ifdef XTERM_REVERSE_VIDEO
514 /* this is how xterm implements reverseVideo */
515 if (option (Opt_reverseVideo))
516 {
517 if (!rs[Rs_color + Color_fg])
518 rs[Rs_color + Color_fg] = def_colorName[Color_bg];
519
520 if (!rs[Rs_color + Color_bg])
521 rs[Rs_color + Color_bg] = def_colorName[Color_fg];
522 }
523 #endif
524
525 for (i = 0; i < NRS_COLORS; i++)
526 if (!rs[Rs_color + i])
527 rs[Rs_color + i] = def_colorName[i];
528
529 #ifndef XTERM_REVERSE_VIDEO
530 /* this is how we implement reverseVideo */
531 if (option (Opt_reverseVideo))
532 ::swap (rs[Rs_color + Color_fg], rs[Rs_color + Color_bg]);
533 #endif
534
535 /* convenient aliases for setting fg/bg to colors */
536 color_aliases (Color_fg);
537 color_aliases (Color_bg);
538 #ifndef NO_CURSORCOLOR
539 color_aliases (Color_cursor);
540 color_aliases (Color_cursor2);
541 #endif /* NO_CURSORCOLOR */
542 color_aliases (Color_pointer_fg);
543 color_aliases (Color_pointer_bg);
544 color_aliases (Color_border);
545 #ifndef NO_BOLD_UNDERLINE_REVERSE
546 color_aliases (Color_BD);
547 color_aliases (Color_UL);
548 color_aliases (Color_RV);
549 #endif /* ! NO_BOLD_UNDERLINE_REVERSE */
550
551 if (!rs[Rs_color + Color_border])
552 rs[Rs_color + Color_border] = rs[Rs_color + Color_bg];
553
554 return cmd_argv;
555 }
556
557 /*----------------------------------------------------------------------*/
558 void
559 rxvt_term::init_env ()
560 {
561 int i;
562 char *val;
563
564 #ifdef DISPLAY_IS_IP
565 /* Fixup display_name for export over pty to any interested terminal
566 * clients via "ESC[7n" (e.g. shells). Note we use the pure IP number
567 * (for the first non-loopback interface) that we get from
568 * rxvt_network_display (). This is more "name-resolution-portable", if you
569 * will, and probably allows for faster x-client startup if your name
570 * server is beyond a slow link or overloaded at client startup. Of
571 * course that only helps the shell's child processes, not us.
572 *
573 * Giving out the display_name also affords a potential security hole
574 */
575 val = rxvt_network_display (rs[Rs_display_name]);
576 rs[Rs_display_name] = (const char *)val;
577
578 if (val == NULL)
579 #endif /* DISPLAY_IS_IP */
580 val = XDisplayString (dpy);
581
582 if (rs[Rs_display_name] == NULL)
583 rs[Rs_display_name] = val; /* use broken `:0' value */
584
585 i = strlen (val);
586 env_display = (char *)rxvt_malloc (i + 9);
587
588 sprintf (env_display, "DISPLAY=%s", val);
589
590 sprintf (env_windowid, "WINDOWID=%lu", (unsigned long)parent[0]);
591
592 /* add entries to the environment:
593 * @ DISPLAY: in case we started with -display
594 * @ WINDOWID: X window id number of the window
595 * @ COLORTERM: terminal sub-name and also indicates its color
596 * @ TERM: terminal name
597 * @ TERMINFO: path to terminfo directory
598 * @ COLORFGBG: fg;bg color codes
599 */
600 putenv (env_display);
601 putenv (env_windowid);
602
603 if (env_colorfgbg)
604 putenv (env_colorfgbg);
605
606 #ifdef RXVT_TERMINFO
607 putenv ("TERMINFO=" RXVT_TERMINFO);
608 #endif
609
610 if (depth <= 2)
611 putenv ("COLORTERM=" COLORTERMENV "-mono");
612 else
613 putenv ("COLORTERM=" COLORTERMENVFULL);
614
615 if (rs[Rs_term_name] != NULL)
616 {
617 env_term = (char *)rxvt_malloc (strlen (rs[Rs_term_name]) + 6);
618 sprintf (env_term, "TERM=%s", rs[Rs_term_name]);
619 putenv (env_term);
620 }
621 else
622 putenv ("TERM=" TERMENV);
623
624 #ifdef HAVE_UNSETENV
625 /* avoid passing old settings and confusing term size */
626 unsetenv ("LINES");
627 unsetenv ("COLUMNS");
628 unsetenv ("TERMCAP"); /* terminfo should be okay */
629 #endif /* HAVE_UNSETENV */
630 }
631
632 /*----------------------------------------------------------------------*/
633 /*
634 * This is more or less stolen straight from XFree86 xterm.
635 * This should support all European type languages.
636 */
637 void
638 rxvt_term::set_locale (const char *locale)
639 {
640 set_environ (envv);
641
642 #if HAVE_XSETLOCALE || HAVE_SETLOCALE
643 free (this->locale);
644 this->locale = setlocale (LC_CTYPE, locale);
645
646 if (!this->locale)
647 {
648 if (*locale)
649 {
650 rxvt_warn ("unable to set locale \"%s\", using C locale instead.\n", locale);
651 setlocale (LC_CTYPE, "C");
652 }
653 else
654 rxvt_warn ("default locale unavailable, check LC_* and LANG variables. Continuing.\n");
655
656 this->locale = "C";
657 }
658
659
660 this->locale = strdup (this->locale);
661 SET_LOCALE (this->locale);
662 mbstate.reset ();
663 #endif
664
665 #if HAVE_NL_LANGINFO
666 char *codeset = strdup (nl_langinfo (CODESET));
667 // /^UTF.?8/i
668 enc_utf8 = (codeset[0] == 'U' || codeset[0] == 'u')
669 && (codeset[1] == 'T' || codeset[1] == 't')
670 && (codeset[2] == 'F' || codeset[2] == 'f')
671 && (codeset[3] == '8' || codeset[4] == '8');
672 free (codeset);
673 #else
674 enc_utf8 = 0;
675 #endif
676 }
677
678 void
679 rxvt_term::init_xlocale ()
680 {
681 set_environ (envv);
682
683 #ifdef USE_XIM
684 if (!locale)
685 rxvt_warn ("setting locale failed, working without locale support.\n");
686 else
687 {
688 set_string_property (xa[XA_WM_LOCALE_NAME], locale);
689
690 if (!XSupportsLocale ())
691 {
692 rxvt_warn ("the locale is not supported by Xlib, working without locale support.\n");
693 return;
694 }
695
696 im_ev.start (display);
697
698 /* see if we can connect already */
699 im_cb ();
700 }
701 #endif
702 }
703
704 /*----------------------------------------------------------------------*/
705 void
706 rxvt_term::init_command (const char *const *argv)
707 {
708 /*
709 * Initialize the command connection.
710 * This should be called after the X server connection is established.
711 */
712
713 #ifdef META8_OPTION
714 meta_char = option (Opt_meta8) ? 0x80 : C0_ESC;
715 #endif
716
717 get_ourmods ();
718
719 if (!option (Opt_scrollTtyOutput))
720 priv_modes |= PrivMode_TtyOutputInh;
721 if (option (Opt_scrollTtyKeypress))
722 priv_modes |= PrivMode_Keypress;
723 if (!option (Opt_jumpScroll))
724 priv_modes |= PrivMode_smoothScroll;
725
726 #ifndef NO_BACKSPACE_KEY
727 if (strcmp (rs[Rs_backspace_key], "DEC") == 0)
728 priv_modes |= PrivMode_HaveBackSpace;
729 #endif
730
731 /* add value for scrollBar */
732 if (scrollBar.state)
733 {
734 priv_modes |= PrivMode_scrollBar;
735 SavedModes |= PrivMode_scrollBar;
736 }
737
738 run_command (argv);
739 }
740
741 /*----------------------------------------------------------------------*/
742 void
743 rxvt_term::Get_Colours ()
744 {
745 int i;
746
747 #ifdef OFF_FOCUS_FADING
748 pix_colors = pix_colors_focused;
749 #endif
750
751 for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++)
752 {
753 const char *name = rs[Rs_color + i];
754
755 if (!name)
756 continue;
757
758 rxvt_color xcol;
759
760 if (!set_color (xcol, name))
761 {
762 #ifndef XTERM_REVERSE_VIDEO
763 if (i < 2 && option (Opt_reverseVideo))
764 name = def_colorName [1 - i];
765 else
766 #endif
767 name = def_colorName [i];
768
769 if (!name)
770 continue;
771
772 if (!set_color (xcol, name))
773 {
774 switch (i)
775 {
776 case Color_fg:
777 case Color_bg:
778 rxvt_warn ("unable to get foreground/background colour, continuing.\n");
779 name = "";
780 break;
781 #ifndef NO_CURSORCOLOR
782 case Color_cursor2:
783 #endif
784 case Color_pointer_fg:
785 name = rs[Rs_color + Color_fg];
786 xcol.set (this, name);
787 break;
788 default:
789 name = rs[Rs_color + Color_bg];
790 xcol.set (this, name);
791 break;
792 }
793 }
794 }
795
796 pix_colors[i] = xcol;
797 rs[Rs_color + i] = name;
798 }
799
800 if (depth <= 2)
801 {
802 if (!rs[Rs_color + Color_pointer_fg]) alias_color (Color_pointer_fg, Color_fg);
803 if (!rs[Rs_color + Color_pointer_bg]) alias_color (Color_pointer_bg, Color_bg);
804 if (!rs[Rs_color + Color_border] ) alias_color (Color_border, Color_fg);
805 }
806
807 /*
808 * get scrollBar shadow colors
809 *
810 * The calculations of topShadow/bottomShadow values are adapted
811 * from the fvwm window manager.
812 */
813 #ifdef KEEP_SCROLLCOLOR
814 if (depth <= 2)
815 {
816 /* Monochrome */
817 alias_color (Color_scroll, Color_fg);
818 alias_color (Color_topShadow, Color_bg);
819 alias_color (Color_bottomShadow, Color_bg);
820 }
821 else
822 {
823 pix_colors [Color_scroll].fade (this, 50, pix_colors [Color_bottomShadow]);
824
825 rgba cscroll;
826 pix_colors [Color_scroll].get (cscroll);
827
828 /* topShadowColor */
829 if (!pix_colors[Color_topShadow].set (this,
830 rgba (
831 min ((int)rgba::MAX_CC, max (cscroll.r / 5, cscroll.r) * 7 / 5),
832 min ((int)rgba::MAX_CC, max (cscroll.g / 5, cscroll.g) * 7 / 5),
833 min ((int)rgba::MAX_CC, max (cscroll.b / 5, cscroll.b) * 7 / 5),
834 cscroll.a)
835 ))
836 alias_color (Color_topShadow, Color_White);
837 }
838 #endif /* KEEP_SCROLLCOLOR */
839
840 #ifdef OFF_FOCUS_FADING
841 for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++)
842 update_fade_color (i);
843 #endif
844 }
845
846 /*----------------------------------------------------------------------*/
847 /* color aliases, fg/bg bright-bold */
848 void
849 rxvt_term::color_aliases (int idx)
850 {
851 if (rs[Rs_color + idx] && isdigit (* (rs[Rs_color + idx])))
852 {
853 int i = atoi (rs[Rs_color + idx]);
854
855 if (i >= 8 && i <= 15)
856 /* bright colors */
857 rs[Rs_color + idx] = rs[Rs_color + minBrightCOLOR + i - 8];
858 else if (i >= 0 && i <= 7)
859 /* normal colors */
860 rs[Rs_color + idx] = rs[Rs_color + minCOLOR + i];
861 }
862 }
863
864 /*----------------------------------------------------------------------*/
865 /*
866 * Probe the modifier keymap to get the Meta (Alt) and Num_Lock settings
867 * Use resource ``modifier'' to override the Meta modifier
868 */
869 void
870 rxvt_term::get_ourmods ()
871 {
872 int i, j, k;
873 int requestedmeta, realmeta, realalt;
874 const char *cm, *rsmod;
875 XModifierKeymap *map;
876 KeyCode *kc;
877 const unsigned int modmasks[] =
878 {
879 Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
880 };
881
882 requestedmeta = realmeta = realalt = 0;
883 rsmod = rs[Rs_modifier];
884
885 if (rsmod
886 && strcasecmp (rsmod, "mod1") >= 0 && strcasecmp (rsmod, "mod5") <= 0)
887 requestedmeta = rsmod[3] - '0';
888
889 map = XGetModifierMapping (dpy);
890 kc = map->modifiermap;
891
892 for (i = 1; i < 6; i++)
893 {
894 k = (i + 2) * map->max_keypermod; /* skip shift/lock/control */
895
896 for (j = map->max_keypermod; j--; k++)
897 {
898 if (kc[k] == 0)
899 break;
900
901 switch (XKeycodeToKeysym (dpy, kc[k], 0))
902 {
903 case XK_Num_Lock:
904 ModNumLockMask = modmasks[i - 1];
905 continue;
906
907 case XK_ISO_Level3_Shift:
908 ModLevel3Mask = modmasks[i - 1];
909 continue;
910
911 case XK_Meta_L:
912 case XK_Meta_R:
913 cm = "meta";
914 realmeta = i;
915 break;
916
917 case XK_Alt_L:
918 case XK_Alt_R:
919 cm = "alt";
920 realalt = i;
921 break;
922
923 case XK_Super_L:
924 case XK_Super_R:
925 cm = "super";
926 break;
927
928 case XK_Hyper_L:
929 case XK_Hyper_R:
930 cm = "hyper";
931 break;
932
933 default:
934 continue;
935 }
936
937 if (rsmod && strncasecmp (rsmod, cm, strlen (cm)) == 0)
938 requestedmeta = i;
939 }
940 }
941
942 XFreeModifiermap (map);
943
944 i = requestedmeta ? requestedmeta
945 : realmeta ? realmeta
946 : realalt ? realalt
947 : 0;
948
949 if (i)
950 ModMetaMask = modmasks[i - 1];
951 }
952
953 /*----------------------------------------------------------------------*/
954 /* rxvt_Create_Windows () - Open and map the window */
955 void
956 rxvt_term::create_windows (int argc, const char *const *argv)
957 {
958 XClassHint classHint;
959 XWMHints wmHint;
960 #if ENABLE_FRILLS
961 MWMHints mwmhints = { };
962 #endif
963 XGCValues gcvalue;
964 XSetWindowAttributes attributes;
965 Window top, parent;
966
967 dLocal (Display *, dpy);
968
969 /* grab colors before netscape does */
970 Get_Colours ();
971
972 if (!set_fonts ())
973 rxvt_fatal ("unable to load base fontset, please specify a valid one using -fn, aborting.\n");
974
975 parent = display->root;
976
977 attributes.override_redirect = !!option (Opt_override_redirect);
978
979 #if ENABLE_FRILLS
980 if (option (Opt_borderLess))
981 {
982 if (XInternAtom (dpy, "_MOTIF_WM_INFO", True) == None)
983 {
984 // rxvt_warn("Window Manager does not support MWM hints. Bypassing window manager control for borderless window.\n");
985 attributes.override_redirect = true;
986 }
987 else
988 {
989 mwmhints.flags = MWM_HINTS_DECORATIONS;
990 }
991 }
992 #endif
993
994 #if ENABLE_XEMBED
995 if (rs[Rs_embed])
996 {
997 XWindowAttributes wattr;
998
999 parent = strtol (rs[Rs_embed], 0, 0);
1000
1001 if (!XGetWindowAttributes (dpy, parent, &wattr))
1002 rxvt_fatal ("invalid window-id specified with -embed, aborting.\n");
1003
1004 window_calc (wattr.width, wattr.height);
1005 }
1006 #endif
1007
1008 window_calc (0, 0);
1009
1010 /* sub-window placement & size in rxvt_resize_subwindows () */
1011 attributes.background_pixel = pix_colors_focused [Color_border];
1012 attributes.border_pixel = pix_colors_focused [Color_border];
1013 attributes.colormap = cmap;
1014
1015 top = XCreateWindow (dpy, parent,
1016 szHint.x, szHint.y,
1017 szHint.width, szHint.height,
1018 ext_bwidth,
1019 depth, InputOutput, visual,
1020 CWColormap | CWBackPixel | CWBorderPixel | CWOverrideRedirect,
1021 &attributes);
1022
1023 this->parent[0] = top;
1024
1025 old_width = szHint.width;
1026 old_height = szHint.height;
1027
1028 process_xterm_seq (XTerm_title, rs[Rs_title], CHAR_ST);
1029 process_xterm_seq (XTerm_iconName, rs[Rs_iconName], CHAR_ST);
1030
1031 classHint.res_name = (char *)rs[Rs_name];
1032 classHint.res_class = (char *)RESCLASS;
1033
1034 wmHint.flags = InputHint | StateHint | WindowGroupHint;
1035 wmHint.input = True;
1036 wmHint.initial_state = option (Opt_iconic) ? IconicState : NormalState;
1037 wmHint.window_group = top;
1038
1039 XmbSetWMProperties (dpy, top, NULL, NULL, (char **)argv, argc,
1040 &szHint, &wmHint, &classHint);
1041
1042 #if ENABLE_FRILLS
1043 if (mwmhints.flags)
1044 XChangeProperty (dpy, top, xa[XA_MOTIF_WM_HINTS], xa[XA_MOTIF_WM_HINTS], 32,
1045 PropModeReplace, (unsigned char *)&mwmhints, PROP_MWM_HINTS_ELEMENTS);
1046 #endif
1047
1048 Atom protocols[] = {
1049 xa[XA_WM_DELETE_WINDOW],
1050 #if ENABLE_EWMH
1051 xa[XA_NET_WM_PING],
1052 #endif
1053 };
1054
1055 XSetWMProtocols (dpy, top, protocols, sizeof (protocols) / sizeof (protocols[0]));
1056
1057 #if ENABLE_FRILLS
1058 if (rs[Rs_transient_for])
1059 XSetTransientForHint (dpy, top, (Window)strtol (rs[Rs_transient_for], 0, 0));
1060 #endif
1061
1062 #if ENABLE_EWMH
1063 long pid = getpid ();
1064
1065 XChangeProperty (dpy, top,
1066 xa[XA_NET_WM_PID], XA_CARDINAL, 32,
1067 PropModeReplace, (unsigned char *)&pid, 1);
1068
1069 // _NET_WM_WINDOW_TYPE is NORMAL, which is the default
1070 #endif
1071
1072 XSelectInput (dpy, top,
1073 KeyPressMask
1074 #if (MOUSE_WHEEL && MOUSE_SLIP_WHEELING) || ENABLE_FRILLS || ISO_14755
1075 | KeyReleaseMask
1076 #endif
1077 | FocusChangeMask | VisibilityChangeMask
1078 | ExposureMask | StructureNotifyMask);
1079
1080 termwin_ev.start (display, top);
1081
1082 /* vt cursor: Black-on-White is standard, but this is more popular */
1083 TermWin_cursor = XCreateFontCursor (dpy, XC_xterm);
1084
1085 #ifdef HAVE_SCROLLBARS
1086 /* cursor scrollBar: Black-on-White */
1087 leftptr_cursor = XCreateFontCursor (dpy, XC_left_ptr);
1088 #endif
1089
1090 /* the vt window */
1091 vt = XCreateSimpleWindow (dpy, top,
1092 window_vt_x, window_vt_y,
1093 width, height,
1094 0,
1095 pix_colors_focused[Color_fg],
1096 pix_colors_focused[Color_bg]);
1097
1098 attributes.bit_gravity = NorthWestGravity;
1099 XChangeWindowAttributes (dpy, vt, CWBitGravity, &attributes);
1100
1101 vt_emask = ExposureMask | ButtonPressMask | ButtonReleaseMask | PropertyChangeMask;
1102
1103 if (option (Opt_pointerBlank))
1104 vt_emask |= PointerMotionMask;
1105 else
1106 vt_emask |= Button1MotionMask | Button3MotionMask;
1107
1108 vt_select_input ();
1109
1110 vt_ev.start (display, vt);
1111
1112 /* graphics context for the vt window */
1113 gcvalue.foreground = pix_colors[Color_fg];
1114 gcvalue.background = pix_colors[Color_bg];
1115 gcvalue.graphics_exposures = 0;
1116
1117 gc = XCreateGC (dpy, vt,
1118 GCForeground | GCBackground | GCGraphicsExposures,
1119 &gcvalue);
1120
1121 drawable = new rxvt_drawable (this, vt);
1122
1123 #ifdef RXVT_SCROLLBAR
1124 gcvalue.foreground = pix_colors[Color_topShadow];
1125 topShadowGC = XCreateGC (dpy, vt, GCForeground, &gcvalue);
1126 gcvalue.foreground = pix_colors[Color_bottomShadow];
1127 botShadowGC = XCreateGC (dpy, vt, GCForeground, &gcvalue);
1128 gcvalue.foreground = pix_colors[ (depth <= 2 ? Color_fg : Color_scroll)];
1129 scrollbarGC = XCreateGC (dpy, vt, GCForeground, &gcvalue);
1130 #endif
1131
1132 #ifdef OFF_FOCUS_FADING
1133 // initially we are in unfocused state
1134 if (rs[Rs_fade])
1135 pix_colors = pix_colors_unfocused;
1136 #endif
1137
1138 pointer_unblank ();
1139 scr_recolour ();
1140 }
1141
1142 /* ------------------------------------------------------------------------- *
1143 * GET TTY CURRENT STATE *
1144 * ------------------------------------------------------------------------- */
1145 void
1146 rxvt_get_ttymode (ttymode_t *tio, int erase)
1147 {
1148 /*
1149 * standard System V termios interface
1150 */
1151 if (GET_TERMIOS (STDIN_FILENO, tio) < 0)
1152 {
1153 // return error - use system defaults,
1154 // where possible, and zero elsewhere
1155 memset (tio, 0, sizeof (ttymode_t));
1156
1157 tio->c_cc[VINTR] = CINTR;
1158 tio->c_cc[VQUIT] = CQUIT;
1159 tio->c_cc[VERASE] = CERASE;
1160 #ifdef VERASE2
1161 tio->c_cc[VERASE2] = CERASE2;
1162 #endif
1163 tio->c_cc[VKILL] = CKILL;
1164 tio->c_cc[VSTART] = CSTART;
1165 tio->c_cc[VSTOP] = CSTOP;
1166 tio->c_cc[VSUSP] = CSUSP;
1167 # ifdef VDSUSP
1168 tio->c_cc[VDSUSP] = CDSUSP;
1169 # endif
1170 # ifdef VREPRINT
1171 tio->c_cc[VREPRINT] = CRPRNT;
1172 # endif
1173 # ifdef VDISCRD
1174 tio->c_cc[VDISCRD] = CFLUSH;
1175 # endif
1176 # ifdef VWERSE
1177 tio->c_cc[VWERSE] = CWERASE;
1178 # endif
1179 # ifdef VLNEXT
1180 tio->c_cc[VLNEXT] = CLNEXT;
1181 # endif
1182 }
1183
1184 tio->c_cc[VEOF] = CEOF;
1185 tio->c_cc[VEOL] = VDISABLE;
1186 # ifdef VEOL2
1187 tio->c_cc[VEOL2] = VDISABLE;
1188 # endif
1189 # ifdef VSWTC
1190 tio->c_cc[VSWTC] = VDISABLE;
1191 # endif
1192 # ifdef VSWTCH
1193 tio->c_cc[VSWTCH] = VDISABLE;
1194 # endif
1195 # if VMIN != VEOF
1196 tio->c_cc[VMIN] = 1;
1197 # endif
1198 # if VTIME != VEOL
1199 tio->c_cc[VTIME] = 0;
1200 # endif
1201
1202 if (erase != -1)
1203 tio->c_cc[VERASE] = (char)erase;
1204
1205 /* input modes */
1206 tio->c_iflag = (BRKINT | IGNPAR | ICRNL
1207 # ifdef IMAXBEL
1208 | IMAXBEL
1209 # endif
1210 | IXON);
1211
1212 /* output modes */
1213 tio->c_oflag = (OPOST | ONLCR);
1214
1215 /* control modes */
1216 tio->c_cflag = (CS8 | CREAD);
1217
1218 /* line discipline modes */
1219 tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
1220 # if defined (ECHOCTL) && defined (ECHOKE)
1221 | ECHOCTL | ECHOKE
1222 # endif
1223 | ECHOE | ECHOK);
1224
1225 /*
1226 * Debugging
1227 */
1228 #ifdef DEBUG_TTYMODE
1229 /* c_iflag bits */
1230 fprintf (stderr, "Input flags\n");
1231
1232 /* cpp token stringize doesn't work on all machines <sigh> */
1233 # define FOO(flag,name) \
1234 if ((tio->c_iflag) & flag) \
1235 fprintf (stderr, "%s ", name)
1236
1237 /* c_iflag bits */
1238 FOO (IGNBRK, "IGNBRK");
1239 FOO (BRKINT, "BRKINT");
1240 FOO (IGNPAR, "IGNPAR");
1241 FOO (PARMRK, "PARMRK");
1242 FOO (INPCK, "INPCK");
1243 FOO (ISTRIP, "ISTRIP");
1244 FOO (INLCR, "INLCR");
1245 FOO (IGNCR, "IGNCR");
1246 FOO (ICRNL, "ICRNL");
1247 FOO (IXON, "IXON");
1248 FOO (IXOFF, "IXOFF");
1249 # ifdef IUCLC
1250 FOO (IUCLC, "IUCLC");
1251 # endif
1252 # ifdef IXANY
1253 FOO (IXANY, "IXANY");
1254 # endif
1255 # ifdef IMAXBEL
1256 FOO (IMAXBEL, "IMAXBEL");
1257 # endif
1258
1259 fprintf (stderr, "\n");
1260
1261 # undef FOO
1262 # define FOO(entry, name) \
1263 fprintf (stderr, "%-8s = %#04o\n", name, tio->c_cc [entry])
1264
1265 FOO (VINTR, "VINTR");
1266 FOO (VQUIT, "VQUIT");
1267 FOO (VERASE, "VERASE");
1268 FOO (VKILL, "VKILL");
1269 FOO (VEOF, "VEOF");
1270 FOO (VEOL, "VEOL");
1271 # ifdef VEOL2
1272 FOO (VEOL2, "VEOL2");
1273 # endif
1274 # ifdef VSWTC
1275 FOO (VSWTC, "VSWTC");
1276 # endif
1277 # ifdef VSWTCH
1278 FOO (VSWTCH, "VSWTCH");
1279 # endif
1280 FOO (VSTART, "VSTART");
1281 FOO (VSTOP, "VSTOP");
1282 FOO (VSUSP, "VSUSP");
1283 # ifdef VDSUSP
1284 FOO (VDSUSP, "VDSUSP");
1285 # endif
1286 # ifdef VREPRINT
1287 FOO (VREPRINT, "VREPRINT");
1288 # endif
1289 # ifdef VDISCRD
1290 FOO (VDISCRD, "VDISCRD");
1291 # endif
1292 # ifdef VWERSE
1293 FOO (VWERSE, "VWERSE");
1294 # endif
1295 # ifdef VLNEXT
1296 FOO (VLNEXT, "VLNEXT");
1297 # endif
1298
1299 fprintf (stderr, "\n");
1300 # undef FOO
1301 #endif /* DEBUG_TTYMODE */
1302 }
1303
1304 /*----------------------------------------------------------------------*/
1305 /*
1306 * Run the command in a subprocess and return a file descriptor for the
1307 * master end of the pseudo-teletype pair with the command talking to
1308 * the slave.
1309 */
1310 void
1311 rxvt_term::run_command (const char *const *argv)
1312 {
1313 #if ENABLE_FRILLS
1314 if (rs[Rs_pty_fd])
1315 {
1316 pty->pty = atoi (rs[Rs_pty_fd]);
1317
1318 if (pty->pty >= 0)
1319 {
1320 if (getfd_hook)
1321 pty->pty = (*getfd_hook) (pty->pty);
1322
1323 if (pty->pty < 0 || fcntl (pty->pty, F_SETFL, O_NONBLOCK))
1324 rxvt_fatal ("unusable pty-fd filehandle, aborting.\n");
1325 }
1326 }
1327 else
1328 #endif
1329 if (!pty->get ())
1330 rxvt_fatal ("can't initialize pseudo-tty, aborting.\n");
1331
1332 int er;
1333
1334 #ifndef NO_BACKSPACE_KEY
1335 if (rs[Rs_backspace_key][0] && !rs[Rs_backspace_key][1])
1336 er = rs[Rs_backspace_key][0];
1337 else if (strcmp (rs[Rs_backspace_key], "DEC") == 0)
1338 er = '\177'; /* the initial state anyway */
1339 else
1340 #endif
1341 er = -1;
1342
1343 rxvt_get_ttymode (&tio, er);
1344 SET_TERMIOS (pty->tty, &tio); /* init terminal attributes */
1345 pty->set_utf8_mode (enc_utf8);
1346
1347 /* set initial window size */
1348 tt_winch ();
1349
1350 #if ENABLE_FRILLS
1351 if (rs[Rs_pty_fd])
1352 return;
1353 #endif
1354
1355 /* spin off the command interpreter */
1356 switch (cmd_pid = fork ())
1357 {
1358 case -1:
1359 {
1360 cmd_pid = 0;
1361 rxvt_fatal ("can't fork, aborting.\n");
1362 }
1363 case 0:
1364 init_env ();
1365
1366 if (!pty->make_controlling_tty ())
1367 fprintf (stderr, "%s: could not obtain control of tty.", RESNAME);
1368 else
1369 {
1370 /* Reopen stdin, stdout and stderr over the tty file descriptor */
1371 dup2 (pty->tty, STDIN_FILENO);
1372 dup2 (pty->tty, STDOUT_FILENO);
1373 dup2 (pty->tty, STDERR_FILENO);
1374
1375 // close all our file handles that we do no longer need
1376 for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
1377 {
1378 if ((*t)->pty->pty > 2) close ((*t)->pty->pty);
1379 if ((*t)->pty->tty > 2) close ((*t)->pty->tty);
1380 }
1381
1382 run_child (argv);
1383 fprintf (stderr, "%s: unable to exec child.", RESNAME);
1384 }
1385
1386 _exit (EXIT_FAILURE);
1387
1388 default:
1389 if (!option (Opt_utmpInhibit))
1390 pty->login (cmd_pid, option (Opt_loginShell), rs[Rs_display_name]);
1391
1392 pty->close_tty ();
1393
1394 child_ev.start (cmd_pid);
1395
1396 HOOK_INVOKE ((this, HOOK_CHILD_START, DT_INT, cmd_pid, DT_END));
1397 break;
1398 }
1399 }
1400
1401 /* ------------------------------------------------------------------------- *
1402 * CHILD PROCESS OPERATIONS *
1403 * ------------------------------------------------------------------------- */
1404 /*
1405 * The only open file descriptor is the slave tty - so no error messages.
1406 * returns are fatal
1407 */
1408 int
1409 rxvt_term::run_child (const char *const *argv)
1410 {
1411 char *login;
1412
1413 if (option (Opt_console))
1414 {
1415 /* be virtual console, fail silently */
1416 #ifdef TIOCCONS
1417 unsigned int on = 1;
1418
1419 ioctl (STDIN_FILENO, TIOCCONS, &on);
1420 #elif defined (SRIOCSREDIR)
1421 int fd;
1422
1423 fd = open (CONSOLE, O_WRONLY, 0);
1424 if (fd >= 0)
1425 if (ioctl (fd, SRIOCSREDIR, NULL) < 0)
1426 close (fd);
1427 #endif /* SRIOCSREDIR */
1428 }
1429
1430 /* reset signals and spin off the command interpreter */
1431 signal (SIGINT, SIG_DFL);
1432 signal (SIGQUIT, SIG_DFL);
1433 signal (SIGCHLD, SIG_DFL);
1434 signal (SIGHUP, SIG_DFL);
1435 signal (SIGPIPE, SIG_DFL);
1436 /*
1437 * mimick login's behavior by disabling the job control signals
1438 * a shell that wants them can turn them back on
1439 */
1440 #ifdef SIGTSTP
1441 signal (SIGTSTP, SIG_IGN);
1442 signal (SIGTTIN, SIG_IGN);
1443 signal (SIGTTOU, SIG_IGN);
1444 #endif /* SIGTSTP */
1445
1446 // unblock signals (signals are blocked by iom.C
1447 sigset_t ss;
1448 sigemptyset (&ss);
1449 sigprocmask (SIG_SETMASK, &ss, 0);
1450
1451 /* command interpreter path */
1452 if (argv)
1453 {
1454 # ifdef DEBUG_CMD
1455 int i;
1456
1457 for (i = 0; argv[i]; i++)
1458 fprintf (stderr, "argv [%d] = \"%s\"\n", i, argv[i]);
1459 # endif
1460
1461 execvp (argv[0], (char *const *)argv);
1462 /* no error message: STDERR is closed! */
1463 }
1464 else
1465 {
1466 const char *argv0, *shell;
1467
1468 if ((shell = getenv ("SHELL")) == NULL || *shell == '\0')
1469 shell = "/bin/sh";
1470
1471 argv0 = (const char *)rxvt_basename (shell);
1472
1473 if (option (Opt_loginShell))
1474 {
1475 login = (char *)rxvt_malloc (strlen (argv0) + 2);
1476
1477 login[0] = '-';
1478 strcpy (&login[1], argv0);
1479 argv0 = login;
1480 }
1481
1482 execlp (shell, argv0, (char *)0);
1483 /* no error message: STDERR is closed! */
1484 }
1485
1486 return -1;
1487 }
1488
1489 /*----------------------- end-of-file (C source) -----------------------*/