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Revision: 1.196
Committed: Wed Aug 1 17:39:28 2007 UTC (16 years, 10 months ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: rel-8_3
Changes since 1.195: +1 -1 lines
Log Message:
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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) 1998-2001 Geoff Wing <gcw@pobox.com>
11 * - extensive modifications
12 * Copyright (c) 1999 D J Hawkey Jr <hawkeyd@visi.com>
13 * - QNX support
14 * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
15 *
16 * This program is free software; you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License as published by
18 * the Free Software Foundation; either version 2 of the License, or
19 * (at your option) any later version.
20 *
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
25 *
26 * You should have received a copy of the GNU General Public License
27 * along with this program; if not, write to the Free Software
28 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
29 *---------------------------------------------------------------------*/
30 /*
31 * Initialisation routines.
32 */
33
34 #include "../config.h" /* NECESSARY */
35 #include "rxvt.h" /* NECESSARY */
36 #include "rxvtutil.h"
37 #include "init.h"
38
39 #include <limits>
40
41 #include <csignal>
42
43 const char *const def_colorName[] =
44 {
45 COLOR_FOREGROUND,
46 COLOR_BACKGROUND,
47 /* low-intensity colors */
48 "rgb:00/00/00", // 0: black (Black)
49 "rgb:cd/00/00", // 1: red (Red3)
50 "rgb:00/cd/00", // 2: green (Green3)
51 "rgb:cd/cd/00", // 3: yellow (Yellow3)
52 "rgb:00/00/cd", // 4: blue (Blue3)
53 "rgb:cd/00/cd", // 5: magenta (Magenta3)
54 "rgb:00/cd/cd", // 6: cyan (Cyan3)
55 # ifdef XTERM_COLORS
56 "rgb:e5/e5/e5", // 7: white (Grey90)
57 # else
58 "rgb:fa/eb/d7", // 7: white (AntiqueWhite)
59 # endif
60 /* high-intensity colors */
61 # ifdef XTERM_COLORS
62 "rgb:4d/4d/4d", // 8: bright black (Grey30)
63 # else
64 "rgb:40/40/40", // 8: bright black (Grey25)
65 # endif
66 "rgb:ff/00/00", // 1/9: bright red (Reed)
67 "rgb:00/ff/00", // 2/10: bright green (Green)
68 "rgb:ff/ff/00", // 3/11: bright yellow (Yellow)
69 "rgb:00/00/ff", // 4/12: bright blue (Blue)
70 "rgb:ff/00/ff", // 5/13: bright magenta (Magenta)
71 "rgb:00/ff/ff", // 6/14: bright cyan (Cyan)
72 "rgb:ff/ff/ff", // 7/15: bright white (White)
73
74 // 88 xterm colours
75 "rgb:00/00/00",
76 "rgb:00/00/8b",
77 "rgb:00/00/cd",
78 "rgb:00/00/ff",
79 "rgb:00/8b/00",
80 "rgb:00/8b/8b",
81 "rgb:00/8b/cd",
82 "rgb:00/8b/ff",
83 "rgb:00/cd/00",
84 "rgb:00/cd/8b",
85 "rgb:00/cd/cd",
86 "rgb:00/cd/ff",
87 "rgb:00/ff/00",
88 "rgb:00/ff/8b",
89 "rgb:00/ff/cd",
90 "rgb:00/ff/ff",
91 "rgb:8b/00/00",
92 "rgb:8b/00/8b",
93 "rgb:8b/00/cd",
94 "rgb:8b/00/ff",
95 "rgb:8b/8b/00",
96 "rgb:8b/8b/8b",
97 "rgb:8b/8b/cd",
98 "rgb:8b/8b/ff",
99 "rgb:8b/cd/00",
100 "rgb:8b/cd/8b",
101 "rgb:8b/cd/cd",
102 "rgb:8b/cd/ff",
103 "rgb:8b/ff/00",
104 "rgb:8b/ff/8b",
105 "rgb:8b/ff/cd",
106 "rgb:8b/ff/ff",
107 "rgb:cd/00/00",
108 "rgb:cd/00/8b",
109 "rgb:cd/00/cd",
110 "rgb:cd/00/ff",
111 "rgb:cd/8b/00",
112 "rgb:cd/8b/8b",
113 "rgb:cd/8b/cd",
114 "rgb:cd/8b/ff",
115 "rgb:cd/cd/00",
116 "rgb:cd/cd/8b",
117 "rgb:cd/cd/cd",
118 "rgb:cd/cd/ff",
119 "rgb:cd/ff/00",
120 "rgb:cd/ff/8b",
121 "rgb:cd/ff/cd",
122 "rgb:cd/ff/ff",
123 "rgb:ff/00/00",
124 "rgb:ff/00/8b",
125 "rgb:ff/00/cd",
126 "rgb:ff/00/ff",
127 "rgb:ff/8b/00",
128 "rgb:ff/8b/8b",
129 "rgb:ff/8b/cd",
130 "rgb:ff/8b/ff",
131 "rgb:ff/cd/00",
132 "rgb:ff/cd/8b",
133 "rgb:ff/cd/cd",
134 "rgb:ff/cd/ff",
135 "rgb:ff/ff/00",
136 "rgb:ff/ff/8b",
137 "rgb:ff/ff/cd",
138 "rgb:ff/ff/ff",
139 "rgb:2e/2e/2e",
140 "rgb:5c/5c/5c",
141 "rgb:73/73/73",
142 "rgb:8b/8b/8b",
143 "rgb:a2/a2/a2",
144 "rgb:b9/b9/b9",
145 "rgb:d0/d0/d0",
146 "rgb:e7/e7/e7",
147
148 #ifndef NO_CURSORCOLOR
149 COLOR_CURSOR_BACKGROUND,
150 COLOR_CURSOR_FOREGROUND,
151 #endif /* ! NO_CURSORCOLOR */
152 NULL, /* Color_pointer_fg */
153 NULL, /* Color_pointer_bg */
154 NULL, /* Color_border */
155 #ifndef NO_BOLD_UNDERLINE_REVERSE
156 NULL, /* Color_BD */
157 NULL, /* Color_IT */
158 NULL, /* Color_UL */
159 NULL, /* Color_RV */
160 #endif /* ! NO_BOLD_UNDERLINE_REVERSE */
161 #if ENABLE_FRILLS
162 NULL, // Color_underline
163 #endif
164 #ifdef OPTION_HC
165 NULL,
166 #endif
167 #ifdef KEEP_SCROLLCOLOR
168 COLOR_SCROLLBAR,
169 COLOR_SCROLLTROUGH,
170 #endif /* KEEP_SCROLLCOLOR */
171 #if TINTING
172 NULL,
173 #endif
174 #if OFF_FOCUS_FADING
175 "rgb:00/00/00",
176 #endif
177 };
178
179 bool
180 rxvt_term::init_vars ()
181 {
182 pix_colors = //
183 pix_colors_focused = new rxvt_color [TOTAL_COLORS];
184 #ifdef OFF_FOCUS_FADING
185 pix_colors_unfocused = new rxvt_color [TOTAL_COLORS];
186 #endif
187
188 #if defined(XPM_BACKGROUND) || defined(ENABLE_TRANSPARENCY)
189 pixmap = None;
190 #endif
191
192 MEvent.time = CurrentTime;
193 MEvent.button = AnyButton;
194 want_refresh = 1;
195 priv_modes = SavedModes = PrivMode_Default;
196 ncol = 80;
197 nrow = 24;
198 int_bwidth = INTERNALBORDERWIDTH;
199 ext_bwidth = EXTERNALBORDERWIDTH;
200 lineSpace = LINESPACE;
201 saveLines = SAVELINES;
202 numpix_colors = TOTAL_COLORS;
203
204 refresh_type = SLOW_REFRESH;
205
206 oldcursor.row = oldcursor.col = -1;
207 #ifdef XPM_BACKGROUND
208 /* bgPixmap.w = bgPixmap.h = 0; */
209 bgPixmap.x = bgPixmap.y = 0;
210 bgPixmap.pixmap = None;
211 #endif
212
213 last_bot = last_state = -1;
214
215 set_option (Opt_scrollBar);
216 set_option (Opt_scrollTtyOutput);
217 set_option (Opt_jumpScroll);
218 set_option (Opt_skipScroll);
219 set_option (Opt_secondaryScreen);
220 set_option (Opt_secondaryScroll);
221 set_option (Opt_pastableTabs);
222 set_option (Opt_intensityStyles);
223 set_option (Opt_iso14755_52);
224
225 return true;
226 }
227
228 void
229 rxvt_term::init_secondary ()
230 {
231 int i;
232
233 /*
234 * Close all unused file descriptors
235 * We don't want them, we don't need them.
236 */
237 if ((i = open ("/dev/null", O_RDONLY)) < 0)
238 {
239 /* TODO: BOO HISS */
240 dup2 (STDERR_FILENO, STDIN_FILENO);
241 }
242 else if (i > STDIN_FILENO)
243 {
244 dup2 (i, STDIN_FILENO);
245 close (i);
246 }
247
248 dup2 (STDERR_FILENO, STDOUT_FILENO);
249
250 #if 0 // schmorp sayz closing filies is murder
251 for (i = STDERR_FILENO + 1; i < num_fds; i++)
252 {
253 #ifdef __sgi /* Alex Coventry says we need 4 & 7 too */
254 if (i == 4 || i == 7)
255 continue;
256 #endif
257 close (i);
258 }
259 #endif
260 }
261
262 /*----------------------------------------------------------------------*/
263 const char **
264 rxvt_term::init_resources (int argc, const char *const *argv)
265 {
266 int i, r_argc;
267 char *val;
268 const char **cmd_argv, **r_argv;
269
270 /*
271 * Look for -e option. Find => split and make cmd_argv[] of command args
272 */
273 for (r_argc = 0; r_argc < argc; r_argc++)
274 if (!strcmp (argv[r_argc], "-e"))
275 break;
276
277 r_argv = (const char **)rxvt_malloc (sizeof (char *) * (r_argc + 1));
278
279 for (i = 0; i < r_argc; i++)
280 r_argv[i] = (const char *)argv[i];
281
282 r_argv[i] = NULL;
283
284 if (r_argc == argc)
285 cmd_argv = NULL;
286 else
287 {
288 cmd_argv = (const char **)rxvt_malloc (sizeof (char *) * (argc - r_argc));
289
290 for (i = 0; i < argc - r_argc - 1; i++)
291 cmd_argv[i] = (const char *)argv[i + r_argc + 1];
292
293 cmd_argv[i] = NULL;
294 }
295
296 rs[Rs_name] = rxvt_r_basename (argv[0]);
297
298 /*
299 * Open display, get options/resources and create the window
300 */
301
302 if ((rs[Rs_display_name] = getenv ("DISPLAY")) == NULL)
303 rs[Rs_display_name] = ":0";
304
305 get_options (r_argc, r_argv);
306
307 if (!(display = displays.get (rs[Rs_display_name])))
308 rxvt_fatal ("can't open display %s, aborting.\n", rs[Rs_display_name]);
309
310 // using a local pointer decreases code size a lot
311 xa = display->xa;
312
313 set (display);
314 extract_resources ();
315
316 #if XFT
317 if (rs[Rs_depth])
318 select_visual (strtol (rs[Rs_depth], 0, 0));
319 #endif
320
321 #ifdef HAVE_AFTERIMAGE
322 asv = create_asvisual_for_id (dpy, display->screen, depth, XVisualIDFromVisual (visual), cmap, NULL);
323 #endif
324 free (r_argv);
325
326 for (int i = NUM_RESOURCES; i--; )
327 if (rs [i] == resval_undef)
328 rs [i] = 0;
329
330 #if ENABLE_PERL
331 if (!rs[Rs_perl_ext_1])
332 rs[Rs_perl_ext_1] = "default";
333
334 if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
335 || (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
336 || (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
337 {
338 rxvt_perl.init (this);
339 HOOK_INVOKE ((this, HOOK_INIT, DT_END));
340 }
341 #endif
342
343 /*
344 * set any defaults not already set
345 */
346 if (cmd_argv && cmd_argv[0])
347 {
348 if (!rs[Rs_title])
349 rs[Rs_title] = rxvt_r_basename (cmd_argv[0]);
350 if (!rs[Rs_iconName])
351 rs[Rs_iconName] = rs[Rs_title];
352 }
353 else
354 {
355 if (!rs[Rs_title])
356 rs[Rs_title] = rs[Rs_name];
357 if (!rs[Rs_iconName])
358 rs[Rs_iconName] = rs[Rs_name];
359 }
360
361 if (rs[Rs_saveLines] && (i = atoi (rs[Rs_saveLines])) >= 0)
362 saveLines = min (i, MAX_SAVELINES);
363
364 #if ENABLE_FRILLS
365 if (rs[Rs_int_bwidth] && (i = atoi (rs[Rs_int_bwidth])) >= 0)
366 int_bwidth = min (i, std::numeric_limits<int16_t>::max ());
367
368 if (rs[Rs_ext_bwidth] && (i = atoi (rs[Rs_ext_bwidth])) >= 0)
369 ext_bwidth = min (i, std::numeric_limits<int16_t>::max ());
370
371 if (rs[Rs_lineSpace] && (i = atoi (rs[Rs_lineSpace])) >= 0)
372 lineSpace = min (i, std::numeric_limits<int16_t>::max ());
373 #endif
374
375 #ifdef POINTER_BLANK
376 if (rs[Rs_pointerBlankDelay] && (i = atoi (rs[Rs_pointerBlankDelay])) >= 0)
377 pointerBlankDelay = i;
378 else
379 pointerBlankDelay = 2;
380 #endif
381
382 /* no point having a scrollbar without having any scrollback! */
383 if (!saveLines)
384 set_option (Opt_scrollBar, 0);
385
386 #ifdef PRINTPIPE
387 if (!rs[Rs_print_pipe])
388 rs[Rs_print_pipe] = PRINTPIPE;
389 #endif
390
391 if (!rs[Rs_cutchars])
392 rs[Rs_cutchars] = CUTCHARS;
393
394 #ifndef NO_BACKSPACE_KEY
395 if (!rs[Rs_backspace_key])
396 # ifdef DEFAULT_BACKSPACE
397 key_backspace = DEFAULT_BACKSPACE;
398 # else
399 key_backspace = "DEC"; /* can toggle between \010 or \177 */
400 # endif
401 else
402 {
403 val = strdup (rs[Rs_backspace_key]);
404 rxvt_Str_trim (val);
405 rxvt_Str_escaped (val);
406 key_backspace = val;
407 }
408 #endif
409
410 #ifndef NO_DELETE_KEY
411 if (!rs[Rs_delete_key])
412 # ifdef DEFAULT_DELETE
413 key_delete = DEFAULT_DELETE;
414 # else
415 key_delete = "\033[3~";
416 # endif
417 else
418 {
419 val = strdup (rs[Rs_delete_key]);
420 rxvt_Str_trim (val);
421 rxvt_Str_escaped (val);
422 key_delete = val;
423 }
424 #endif
425 if (rs[Rs_answerbackstring])
426 {
427 rxvt_Str_trim ((char *)rs[Rs_answerbackstring]);
428 rxvt_Str_escaped ((char *)rs[Rs_answerbackstring]);
429 }
430
431 #ifdef HAVE_SCROLLBARS
432 setup_scrollbar (rs[Rs_scrollBar_align], rs[Rs_scrollstyle], rs[Rs_scrollBar_thickness]);
433 #endif
434
435 #ifdef XTERM_REVERSE_VIDEO
436 /* this is how xterm implements reverseVideo */
437 if (option (Opt_reverseVideo))
438 {
439 if (!rs[Rs_color + Color_fg])
440 rs[Rs_color + Color_fg] = def_colorName[Color_bg];
441
442 if (!rs[Rs_color + Color_bg])
443 rs[Rs_color + Color_bg] = def_colorName[Color_fg];
444 }
445 #endif
446
447 for (i = 0; i < NRS_COLORS; i++)
448 if (!rs[Rs_color + i])
449 rs[Rs_color + i] = def_colorName[i];
450
451 #ifndef XTERM_REVERSE_VIDEO
452 /* this is how we implement reverseVideo */
453 if (option (Opt_reverseVideo))
454 ::swap (rs[Rs_color + Color_fg], rs[Rs_color + Color_bg]);
455 #endif
456
457 /* convenient aliases for setting fg/bg to colors */
458 color_aliases (Color_fg);
459 color_aliases (Color_bg);
460 #ifndef NO_CURSORCOLOR
461 color_aliases (Color_cursor);
462 color_aliases (Color_cursor2);
463 #endif /* NO_CURSORCOLOR */
464 color_aliases (Color_pointer_fg);
465 color_aliases (Color_pointer_bg);
466 color_aliases (Color_border);
467 #ifndef NO_BOLD_UNDERLINE_REVERSE
468 color_aliases (Color_BD);
469 color_aliases (Color_UL);
470 color_aliases (Color_RV);
471 #endif /* ! NO_BOLD_UNDERLINE_REVERSE */
472
473 if (!rs[Rs_color + Color_border])
474 rs[Rs_color + Color_border] = rs[Rs_color + Color_bg];
475
476 return cmd_argv;
477 }
478
479 /*----------------------------------------------------------------------*/
480 void
481 rxvt_term::init_env ()
482 {
483 int i;
484 unsigned int u;
485 char *val;
486
487 #ifdef DISPLAY_IS_IP
488 /* Fixup display_name for export over pty to any interested terminal
489 * clients via "ESC[7n" (e.g. shells). Note we use the pure IP number
490 * (for the first non-loopback interface) that we get from
491 * rxvt_network_display (). This is more "name-resolution-portable", if you
492 * will, and probably allows for faster x-client startup if your name
493 * server is beyond a slow link or overloaded at client startup. Of
494 * course that only helps the shell's child processes, not us.
495 *
496 * Giving out the display_name also affords a potential security hole
497 */
498 val = rxvt_network_display (rs[Rs_display_name]);
499 rs[Rs_display_name] = (const char *)val;
500
501 if (val == NULL)
502 #endif /* DISPLAY_IS_IP */
503 val = XDisplayString (dpy);
504
505 if (rs[Rs_display_name] == NULL)
506 rs[Rs_display_name] = val; /* use broken `:0' value */
507
508 i = strlen (val);
509 env_display = (char *)rxvt_malloc ((i + 9) * sizeof (char));
510
511 sprintf (env_display, "DISPLAY=%s", val);
512
513 sprintf (env_windowid, "WINDOWID=%lu", (unsigned long)parent[0]);
514
515 /* add entries to the environment:
516 * @ DISPLAY: in case we started with -display
517 * @ WINDOWID: X window id number of the window
518 * @ COLORTERM: terminal sub-name and also indicates its color
519 * @ TERM: terminal name
520 * @ TERMINFO: path to terminfo directory
521 * @ COLORFGBG: fg;bg color codes
522 */
523 putenv (env_display);
524 putenv (env_windowid);
525
526 if (env_colorfgbg)
527 putenv (env_colorfgbg);
528
529 #ifdef RXVT_TERMINFO
530 putenv ("TERMINFO=" RXVT_TERMINFO);
531 #endif
532
533 if (depth <= 2)
534 putenv ("COLORTERM=" COLORTERMENV "-mono");
535 else
536 putenv ("COLORTERM=" COLORTERMENVFULL);
537
538 if (rs[Rs_term_name] != NULL)
539 {
540 env_term = (char *)rxvt_malloc ((strlen (rs[Rs_term_name]) + 6) * sizeof (char));
541 sprintf (env_term, "TERM=%s", rs[Rs_term_name]);
542 putenv (env_term);
543 }
544 else
545 putenv ("TERM=" TERMENV);
546
547 #ifdef HAVE_UNSETENV
548 /* avoid passing old settings and confusing term size */
549 unsetenv ("LINES");
550 unsetenv ("COLUMNS");
551 unsetenv ("TERMCAP"); /* terminfo should be okay */
552 #endif /* HAVE_UNSETENV */
553 }
554
555 /*----------------------------------------------------------------------*/
556 /*
557 * This is more or less stolen straight from XFree86 xterm.
558 * This should support all European type languages.
559 */
560 void
561 rxvt_term::set_locale (const char *locale)
562 {
563 set_environ (envv);
564
565 #if HAVE_XSETLOCALE || HAVE_SETLOCALE
566 free (this->locale);
567 this->locale = setlocale (LC_CTYPE, locale);
568
569 if (!this->locale)
570 {
571 if (*locale)
572 {
573 rxvt_warn ("unable to set locale \"%s\", using C locale instead.\n", locale);
574 setlocale (LC_CTYPE, "C");
575 }
576 else
577 rxvt_warn ("default locale unavailable, check LC_* and LANG variables. Continuing.\n");
578
579 this->locale = "C";
580 }
581
582
583 this->locale = rxvt_strdup (this->locale);
584 SET_LOCALE (this->locale);
585 mbstate.reset ();
586 #endif
587
588 #if HAVE_NL_LANGINFO
589 char *codeset = strdup (nl_langinfo (CODESET));
590 // /^UTF.?8/i
591 enc_utf8 = (codeset[0] == 'U' || codeset[0] == 'u')
592 && (codeset[1] == 'T' || codeset[1] == 't')
593 && (codeset[2] == 'F' || codeset[2] == 'f')
594 && (codeset[3] == '8' || codeset[4] == '8');
595 free (codeset);
596 #else
597 enc_utf8 = 0;
598 #endif
599 }
600
601 void
602 rxvt_term::init_xlocale ()
603 {
604 set_environ (envv);
605
606 #ifdef USE_XIM
607 if (!locale)
608 rxvt_warn ("setting locale failed, working without locale support.\n");
609 else
610 {
611 set_string_property (xa[XA_WM_LOCALE_NAME], locale);
612
613 if (!XSupportsLocale ())
614 {
615 rxvt_warn ("the locale is not supported by Xlib, working without locale support.\n");
616 return;
617 }
618
619 im_ev.start (display);
620
621 /* see if we can connect already */
622 im_cb ();
623 }
624 #endif
625 }
626
627 /*----------------------------------------------------------------------*/
628 void
629 rxvt_term::init_command (const char *const *argv)
630 {
631 /*
632 * Initialize the command connection.
633 * This should be called after the X server connection is established.
634 */
635
636 #ifdef META8_OPTION
637 meta_char = option (Opt_meta8) ? 0x80 : C0_ESC;
638 #endif
639
640 get_ourmods ();
641
642 if (!option (Opt_scrollTtyOutput))
643 priv_modes |= PrivMode_TtyOutputInh;
644 if (option (Opt_scrollTtyKeypress))
645 priv_modes |= PrivMode_Keypress;
646 if (!option (Opt_jumpScroll))
647 priv_modes |= PrivMode_smoothScroll;
648
649 #ifndef NO_BACKSPACE_KEY
650 if (strcmp (key_backspace, "DEC") == 0)
651 priv_modes |= PrivMode_HaveBackSpace;
652 #endif
653
654 /* add value for scrollBar */
655 if (scrollBar.state)
656 {
657 priv_modes |= PrivMode_scrollBar;
658 SavedModes |= PrivMode_scrollBar;
659 }
660
661 run_command (argv);
662 }
663
664 /*----------------------------------------------------------------------*/
665 void
666 rxvt_term::Get_Colours ()
667 {
668 int i;
669
670 #ifdef OFF_FOCUS_FADING
671 pix_colors = pix_colors_focused;
672 #endif
673
674 for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++)
675 {
676 const char *name = rs[Rs_color + i];
677
678 if (!name)
679 continue;
680
681 rxvt_color xcol;
682
683 if (!set_color (xcol, name))
684 {
685 #ifndef XTERM_REVERSE_VIDEO
686 if (i < 2 && option (Opt_reverseVideo))
687 name = def_colorName [1 - i];
688 else
689 #endif
690 name = def_colorName [i];
691
692 if (!name)
693 continue;
694
695 if (!set_color (xcol, name))
696 {
697 switch (i)
698 {
699 case Color_fg:
700 case Color_bg:
701 rxvt_warn ("unable to get foreground/background colour, continuing.\n");
702 name = "";
703 break;
704 #ifndef NO_CURSORCOLOR
705 case Color_cursor2:
706 #endif
707 case Color_pointer_fg:
708 name = rs[Rs_color + Color_fg];
709 xcol.set (this, name);
710 break;
711 default:
712 name = rs[Rs_color + Color_bg];
713 xcol.set (this, name);
714 break;
715 }
716 }
717 }
718
719 pix_colors[i] = xcol;
720 rs[Rs_color + i] = name;
721 }
722
723 if (depth <= 2)
724 {
725 if (!rs[Rs_color + Color_pointer_fg]) alias_color (Color_pointer_fg, Color_fg);
726 if (!rs[Rs_color + Color_pointer_bg]) alias_color (Color_pointer_bg, Color_bg);
727 if (!rs[Rs_color + Color_border] ) alias_color (Color_border, Color_fg);
728 }
729
730 /*
731 * get scrollBar shadow colors
732 *
733 * The calculations of topShadow/bottomShadow values are adapted
734 * from the fvwm window manager.
735 */
736 #ifdef KEEP_SCROLLCOLOR
737 if (depth <= 2)
738 {
739 /* Monochrome */
740 alias_color (Color_scroll, Color_fg);
741 alias_color (Color_topShadow, Color_bg);
742 alias_color (Color_bottomShadow, Color_bg);
743 }
744 else
745 {
746 pix_colors [Color_scroll].fade (this, 50, pix_colors [Color_bottomShadow]);
747
748 rgba cscroll;
749 pix_colors [Color_scroll].get (cscroll);
750
751 /* topShadowColor */
752 if (!pix_colors[Color_topShadow].set (this,
753 rgba (
754 min ((int)rgba::MAX_CC, max (cscroll.r / 5, cscroll.r) * 7 / 5),
755 min ((int)rgba::MAX_CC, max (cscroll.g / 5, cscroll.g) * 7 / 5),
756 min ((int)rgba::MAX_CC, max (cscroll.b / 5, cscroll.b) * 7 / 5),
757 cscroll.a)
758 ))
759 alias_color (Color_topShadow, Color_White);
760 }
761 #endif /* KEEP_SCROLLCOLOR */
762
763 #ifdef OFF_FOCUS_FADING
764 for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++)
765 update_fade_color (i);
766 #endif
767 }
768
769 /*----------------------------------------------------------------------*/
770 /* color aliases, fg/bg bright-bold */
771 void
772 rxvt_term::color_aliases (int idx)
773 {
774 if (rs[Rs_color + idx] && isdigit (* (rs[Rs_color + idx])))
775 {
776 int i = atoi (rs[Rs_color + idx]);
777
778 if (i >= 8 && i <= 15)
779 { /* bright colors */
780 i -= 8;
781 rs[Rs_color + idx] = rs[Rs_color + minBrightCOLOR + i];
782 return;
783 }
784
785 if (i >= 0 && i <= 7) /* normal colors */
786 rs[Rs_color + idx] = rs[Rs_color + minCOLOR + i];
787 }
788 }
789
790 /*----------------------------------------------------------------------*/
791 /*
792 * Probe the modifier keymap to get the Meta (Alt) and Num_Lock settings
793 * Use resource ``modifier'' to override the Meta modifier
794 */
795 void
796 rxvt_term::get_ourmods ()
797 {
798 int i, j, k;
799 int requestedmeta, realmeta, realalt;
800 const char *cm, *rsmod;
801 XModifierKeymap *map;
802 KeyCode *kc;
803 const unsigned int modmasks[] =
804 {
805 Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
806 };
807
808 requestedmeta = realmeta = realalt = 0;
809 rsmod = rs[Rs_modifier];
810
811 if (rsmod
812 && strcasecmp (rsmod, "mod1") >= 0 && strcasecmp (rsmod, "mod5") <= 0)
813 requestedmeta = rsmod[3] - '0';
814
815 map = XGetModifierMapping (dpy);
816 kc = map->modifiermap;
817
818 for (i = 1; i < 6; i++)
819 {
820 k = (i + 2) * map->max_keypermod; /* skip shift/lock/control */
821
822 for (j = map->max_keypermod; j--; k++)
823 {
824 if (kc[k] == 0)
825 break;
826
827 switch (XKeycodeToKeysym (dpy, kc[k], 0))
828 {
829 case XK_Num_Lock:
830 ModNumLockMask = modmasks[i - 1];
831 continue;
832
833 case XK_ISO_Level3_Shift:
834 ModLevel3Mask = modmasks[i - 1];
835 continue;
836
837 case XK_Meta_L:
838 case XK_Meta_R:
839 cm = "meta";
840 realmeta = i;
841 break;
842
843 case XK_Alt_L:
844 case XK_Alt_R:
845 cm = "alt";
846 realalt = i;
847 break;
848
849 case XK_Super_L:
850 case XK_Super_R:
851 cm = "super";
852 break;
853
854 case XK_Hyper_L:
855 case XK_Hyper_R:
856 cm = "hyper";
857 break;
858
859 default:
860 continue;
861 }
862
863 if (rsmod && strncasecmp (rsmod, cm, strlen (cm)) == 0)
864 requestedmeta = i;
865 }
866 }
867
868 XFreeModifiermap (map);
869
870 i = requestedmeta ? requestedmeta
871 : realmeta ? realmeta
872 : realalt ? realalt
873 : 0;
874
875 if (i)
876 ModMetaMask = modmasks[i - 1];
877 }
878
879 /*----------------------------------------------------------------------*/
880 /* rxvt_Create_Windows () - Open and map the window */
881 void
882 rxvt_term::create_windows (int argc, const char *const *argv)
883 {
884 XClassHint classHint;
885 XWMHints wmHint;
886 #if ENABLE_FRILLS
887 MWMHints mwmhints = { };
888 #endif
889 XGCValues gcvalue;
890 XSetWindowAttributes attributes;
891 Window top, parent;
892
893 dLocal (Display *, dpy);
894
895 /* grab colors before netscape does */
896 Get_Colours ();
897
898 if (!set_fonts ())
899 rxvt_fatal ("unable to load base fontset, please specify a valid one using -fn, aborting.\n");
900
901 parent = display->root;
902
903 attributes.override_redirect = !!option (Opt_override_redirect);
904
905 #if ENABLE_FRILLS
906 if (option (Opt_borderLess))
907 {
908 if (XInternAtom (dpy, "_MOTIF_WM_INFO", True) == None)
909 {
910 /* print_warning("Window Manager does not support MWM hints. Bypassing window manager control for borderless window.\n");*/
911 attributes.override_redirect = true;
912 mwmhints.flags = 0;
913 }
914 else
915 {
916 mwmhints.flags = MWM_HINTS_DECORATIONS;
917 mwmhints.decorations = 0;
918 }
919 }
920 else
921 mwmhints.flags = 0;
922 #endif
923
924 #if ENABLE_XEMBED
925 if (rs[Rs_embed])
926 {
927 XWindowAttributes wattr;
928
929 parent = strtol (rs[Rs_embed], 0, 0);
930
931 if (!XGetWindowAttributes (dpy, parent, &wattr))
932 rxvt_fatal ("invalid window-id specified with -embed, aborting.\n");
933
934 window_calc (wattr.width, wattr.height);
935 }
936 #endif
937
938 window_calc (0, 0);
939
940 /* sub-window placement & size in rxvt_resize_subwindows () */
941 attributes.background_pixel = pix_colors_focused [Color_border];
942 attributes.border_pixel = pix_colors_focused [Color_border];
943 attributes.colormap = cmap;
944
945 top = XCreateWindow (dpy, parent,
946 szHint.x, szHint.y,
947 szHint.width, szHint.height,
948 ext_bwidth,
949 depth, InputOutput, visual,
950 CWColormap | CWBackPixel | CWBorderPixel | CWOverrideRedirect,
951 &attributes);
952
953 this->parent[0] = top;
954
955 old_width = szHint.width;
956 old_height = szHint.height;
957
958 process_xterm_seq (XTerm_title, rs[Rs_title], CHAR_ST);
959 process_xterm_seq (XTerm_iconName, rs[Rs_iconName], CHAR_ST);
960
961 classHint.res_name = (char *)rs[Rs_name];
962 classHint.res_class = (char *)RESCLASS;
963
964 wmHint.flags = InputHint | StateHint | WindowGroupHint;
965 wmHint.input = True;
966 wmHint.initial_state = option (Opt_iconic) ? IconicState : NormalState;
967 wmHint.window_group = top;
968
969 XmbSetWMProperties (dpy, top, NULL, NULL, (char **)argv, argc,
970 &szHint, &wmHint, &classHint);
971
972 #if ENABLE_FRILLS
973 if (mwmhints.flags)
974 XChangeProperty (dpy, top, xa[XA_MOTIF_WM_HINTS], xa[XA_MOTIF_WM_HINTS], 32,
975 PropModeReplace, (unsigned char *)&mwmhints, PROP_MWM_HINTS_ELEMENTS);
976 #endif
977
978 Atom protocols[] = {
979 xa[XA_WM_DELETE_WINDOW],
980 #if ENABLE_EWMH
981 xa[XA_NET_WM_PING],
982 #endif
983 };
984
985 XSetWMProtocols (dpy, top, protocols, sizeof (protocols) / sizeof (protocols[0]));
986
987 #if ENABLE_FRILLS
988 if (rs[Rs_transient_for])
989 XSetTransientForHint (dpy, top, (Window)strtol (rs[Rs_transient_for], 0, 0));
990 #endif
991
992 #if ENABLE_EWMH
993 long pid = getpid ();
994
995 XChangeProperty (dpy, top,
996 xa[XA_NET_WM_PID], XA_CARDINAL, 32,
997 PropModeReplace, (unsigned char *)&pid, 1);
998
999 // _NET_WM_WINDOW_TYPE is NORMAL, which is the default
1000 #endif
1001
1002 XSelectInput (dpy, top,
1003 KeyPressMask
1004 #if (MOUSE_WHEEL && MOUSE_SLIP_WHEELING) || ENABLE_FRILLS || ISO_14755
1005 | KeyReleaseMask
1006 #endif
1007 | FocusChangeMask | VisibilityChangeMask
1008 | ExposureMask | StructureNotifyMask);
1009
1010 termwin_ev.start (display, top);
1011
1012 /* vt cursor: Black-on-White is standard, but this is more popular */
1013 TermWin_cursor = XCreateFontCursor (dpy, XC_xterm);
1014
1015 #ifdef HAVE_SCROLLBARS
1016 /* cursor scrollBar: Black-on-White */
1017 leftptr_cursor = XCreateFontCursor (dpy, XC_left_ptr);
1018 #endif
1019
1020 /* the vt window */
1021 vt = XCreateSimpleWindow (dpy, top,
1022 window_vt_x, window_vt_y,
1023 width, height,
1024 0,
1025 pix_colors_focused[Color_fg],
1026 pix_colors_focused[Color_bg]);
1027
1028 attributes.bit_gravity = NorthWestGravity;
1029 XChangeWindowAttributes (dpy, vt, CWBitGravity, &attributes);
1030
1031 vt_emask = ExposureMask | ButtonPressMask | ButtonReleaseMask | PropertyChangeMask;
1032
1033 if (option (Opt_pointerBlank))
1034 vt_emask |= PointerMotionMask;
1035 else
1036 vt_emask |= Button1MotionMask | Button3MotionMask;
1037
1038 vt_select_input ();
1039
1040 vt_ev.start (display, vt);
1041
1042 #ifdef XPM_BACKGROUND
1043 if (rs[Rs_backgroundPixmap] != NULL
1044 #ifndef HAVE_AFTERIMAGE
1045 && !option (Opt_transparent)
1046 #endif
1047 )
1048 {
1049 const char *p = rs[Rs_backgroundPixmap];
1050
1051 if ((p = strchr (p, ';')) != NULL)
1052 {
1053 p++;
1054 scale_pixmap (p);
1055 }
1056
1057 set_bgPixmap (rs[Rs_backgroundPixmap]);
1058 scr_touch (true);
1059 }
1060 #endif
1061
1062 /* graphics context for the vt window */
1063 gcvalue.foreground = pix_colors[Color_fg];
1064 gcvalue.background = pix_colors[Color_bg];
1065 gcvalue.graphics_exposures = 0;
1066
1067 gc = XCreateGC (dpy, vt,
1068 GCForeground | GCBackground | GCGraphicsExposures,
1069 &gcvalue);
1070
1071 drawable = new rxvt_drawable (this, vt);
1072
1073 #ifdef RXVT_SCROLLBAR
1074 gcvalue.foreground = pix_colors[Color_topShadow];
1075 topShadowGC = XCreateGC (dpy, vt, GCForeground, &gcvalue);
1076 gcvalue.foreground = pix_colors[Color_bottomShadow];
1077 botShadowGC = XCreateGC (dpy, vt, GCForeground, &gcvalue);
1078 gcvalue.foreground = pix_colors[ (depth <= 2 ? Color_fg : Color_scroll)];
1079 scrollbarGC = XCreateGC (dpy, vt, GCForeground, &gcvalue);
1080 #endif
1081
1082 #ifdef OFF_FOCUS_FADING
1083 // initially we are in unfocused state
1084 if (rs[Rs_fade])
1085 pix_colors = pix_colors_unfocused;
1086 #endif
1087
1088 pointer_unblank ();
1089 scr_recolour ();
1090 }
1091
1092 /* ------------------------------------------------------------------------- *
1093 * GET TTY CURRENT STATE *
1094 * ------------------------------------------------------------------------- */
1095 void
1096 rxvt_get_ttymode (ttymode_t *tio, int erase)
1097 {
1098 /*
1099 * standard System V termios interface
1100 */
1101 if (GET_TERMIOS (STDIN_FILENO, tio) < 0)
1102 {
1103 // return error - use system defaults,
1104 // where possible, and zero elsewhere
1105 memset (tio, 0, sizeof (ttymode_t));
1106
1107 tio->c_cc[VINTR] = CINTR;
1108 tio->c_cc[VQUIT] = CQUIT;
1109 tio->c_cc[VERASE] = CERASE;
1110 #ifdef VERASE2
1111 tio->c_cc[VERASE2] = CERASE2;
1112 #endif
1113 tio->c_cc[VKILL] = CKILL;
1114 tio->c_cc[VSTART] = CSTART;
1115 tio->c_cc[VSTOP] = CSTOP;
1116 tio->c_cc[VSUSP] = CSUSP;
1117 # ifdef VDSUSP
1118 tio->c_cc[VDSUSP] = CDSUSP;
1119 # endif
1120 # ifdef VREPRINT
1121 tio->c_cc[VREPRINT] = CRPRNT;
1122 # endif
1123 # ifdef VDISCRD
1124 tio->c_cc[VDISCRD] = CFLUSH;
1125 # endif
1126 # ifdef VWERSE
1127 tio->c_cc[VWERSE] = CWERASE;
1128 # endif
1129 # ifdef VLNEXT
1130 tio->c_cc[VLNEXT] = CLNEXT;
1131 # endif
1132 }
1133
1134 tio->c_cc[VEOF] = CEOF;
1135 tio->c_cc[VEOL] = VDISABLE;
1136 # ifdef VEOL2
1137 tio->c_cc[VEOL2] = VDISABLE;
1138 # endif
1139 # ifdef VSWTC
1140 tio->c_cc[VSWTC] = VDISABLE;
1141 # endif
1142 # ifdef VSWTCH
1143 tio->c_cc[VSWTCH] = VDISABLE;
1144 # endif
1145 # if VMIN != VEOF
1146 tio->c_cc[VMIN] = 1;
1147 # endif
1148 # if VTIME != VEOL
1149 tio->c_cc[VTIME] = 0;
1150 # endif
1151
1152 if (erase != -1)
1153 tio->c_cc[VERASE] = (char)erase;
1154
1155 /* input modes */
1156 tio->c_iflag = (BRKINT | IGNPAR | ICRNL
1157 # ifdef IMAXBEL
1158 | IMAXBEL
1159 # endif
1160 | IXON);
1161
1162 /* output modes */
1163 tio->c_oflag = (OPOST | ONLCR);
1164
1165 /* control modes */
1166 tio->c_cflag = (CS8 | CREAD);
1167
1168 /* line discipline modes */
1169 tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
1170 # if defined (ECHOCTL) && defined (ECHOKE)
1171 | ECHOCTL | ECHOKE
1172 # endif
1173 | ECHOE | ECHOK);
1174
1175 /*
1176 * Debugging
1177 */
1178 #ifdef DEBUG_TTYMODE
1179 #ifdef HAVE_TERMIOS_H
1180 /* c_iflag bits */
1181 fprintf (stderr, "Input flags\n");
1182
1183 /* cpp token stringize doesn't work on all machines <sigh> */
1184 # define FOO(flag,name) \
1185 if ((tio->c_iflag) & flag) \
1186 fprintf (stderr, "%s ", name)
1187
1188 /* c_iflag bits */
1189 FOO (IGNBRK, "IGNBRK");
1190 FOO (BRKINT, "BRKINT");
1191 FOO (IGNPAR, "IGNPAR");
1192 FOO (PARMRK, "PARMRK");
1193 FOO (INPCK, "INPCK");
1194 FOO (ISTRIP, "ISTRIP");
1195 FOO (INLCR, "INLCR");
1196 FOO (IGNCR, "IGNCR");
1197 FOO (ICRNL, "ICRNL");
1198 FOO (IXON, "IXON");
1199 FOO (IXOFF, "IXOFF");
1200 # ifdef IUCLC
1201 FOO (IUCLC, "IUCLC");
1202 # endif
1203 # ifdef IXANY
1204 FOO (IXANY, "IXANY");
1205 # endif
1206 # ifdef IMAXBEL
1207 FOO (IMAXBEL, "IMAXBEL");
1208 # endif
1209
1210 fprintf (stderr, "\n");
1211
1212 # undef FOO
1213 # define FOO(entry, name) \
1214 fprintf (stderr, "%-8s = %#04o\n", name, tio->c_cc [entry])
1215
1216 FOO (VINTR, "VINTR");
1217 FOO (VQUIT, "VQUIT");
1218 FOO (VERASE, "VERASE");
1219 FOO (VKILL, "VKILL");
1220 FOO (VEOF, "VEOF");
1221 FOO (VEOL, "VEOL");
1222 # ifdef VEOL2
1223 FOO (VEOL2, "VEOL2");
1224 # endif
1225 # ifdef VSWTC
1226 FOO (VSWTC, "VSWTC");
1227 # endif
1228 # ifdef VSWTCH
1229 FOO (VSWTCH, "VSWTCH");
1230 # endif
1231 FOO (VSTART, "VSTART");
1232 FOO (VSTOP, "VSTOP");
1233 FOO (VSUSP, "VSUSP");
1234 # ifdef VDSUSP
1235 FOO (VDSUSP, "VDSUSP");
1236 # endif
1237 # ifdef VREPRINT
1238 FOO (VREPRINT, "VREPRINT");
1239 # endif
1240 # ifdef VDISCRD
1241 FOO (VDISCRD, "VDISCRD");
1242 # endif
1243 # ifdef VWERSE
1244 FOO (VWERSE, "VWERSE");
1245 # endif
1246 # ifdef VLNEXT
1247 FOO (VLNEXT, "VLNEXT");
1248 # endif
1249
1250 fprintf (stderr, "\n");
1251 # undef FOO
1252 # endif /* HAVE_TERMIOS_H */
1253 #endif /* DEBUG_TTYMODE */
1254 }
1255
1256 /*----------------------------------------------------------------------*/
1257 /*
1258 * Run the command in a subprocess and return a file descriptor for the
1259 * master end of the pseudo-teletype pair with the command talking to
1260 * the slave.
1261 */
1262 void
1263 rxvt_term::run_command (const char *const *argv)
1264 {
1265 #if ENABLE_FRILLS
1266 if (rs[Rs_pty_fd])
1267 {
1268 pty->pty = atoi (rs[Rs_pty_fd]);
1269
1270 if (pty->pty >= 0)
1271 {
1272 if (getfd_hook)
1273 pty->pty = (*getfd_hook) (pty->pty);
1274
1275 if (pty->pty < 0 || fcntl (pty->pty, F_SETFL, O_NONBLOCK))
1276 rxvt_fatal ("unusable pty-fd filehandle, aborting.\n");
1277 }
1278 }
1279 else
1280 #endif
1281 if (!pty->get ())
1282 rxvt_fatal ("can't initialize pseudo-tty, aborting.\n");
1283
1284 int er;
1285
1286 #ifndef NO_BACKSPACE_KEY
1287 if (key_backspace[0] && !key_backspace[1])
1288 er = key_backspace[0];
1289 else if (strcmp (key_backspace, "DEC") == 0)
1290 er = '\177'; /* the initial state anyway */
1291 else
1292 #endif
1293 er = -1;
1294
1295 rxvt_get_ttymode (&tio, er);
1296 SET_TERMIOS (pty->tty, &tio); /* init terminal attributes */
1297 pty->set_utf8_mode (enc_utf8);
1298
1299 /* set initial window size */
1300 tt_winch ();
1301
1302 #if ENABLE_FRILLS
1303 if (rs[Rs_pty_fd])
1304 return;
1305 #endif
1306
1307 /* spin off the command interpreter */
1308 switch (cmd_pid = fork ())
1309 {
1310 case -1:
1311 {
1312 cmd_pid = 0;
1313 rxvt_fatal ("can't fork, aborting.\n");
1314 }
1315 case 0:
1316 init_env ();
1317
1318 if (!pty->make_controlling_tty ())
1319 fprintf (stderr, "%s: could not obtain control of tty.", RESNAME);
1320 else
1321 {
1322 /* Reopen stdin, stdout and stderr over the tty file descriptor */
1323 dup2 (pty->tty, STDIN_FILENO);
1324 dup2 (pty->tty, STDOUT_FILENO);
1325 dup2 (pty->tty, STDERR_FILENO);
1326
1327 // close all our file handles that we do no longer need
1328 for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
1329 {
1330 if ((*t)->pty->pty > 2) close ((*t)->pty->pty);
1331 if ((*t)->pty->tty > 2) close ((*t)->pty->tty);
1332 }
1333
1334 run_child (argv);
1335 fprintf (stderr, "%s: unable to exec child.", RESNAME);
1336 }
1337
1338 _exit (EXIT_FAILURE);
1339
1340 default:
1341 if (!option (Opt_utmpInhibit))
1342 pty->login (cmd_pid, option (Opt_loginShell), rs[Rs_display_name]);
1343
1344 pty->close_tty ();
1345
1346 child_ev.start (cmd_pid);
1347
1348 HOOK_INVOKE ((this, HOOK_CHILD_START, DT_INT, cmd_pid, DT_END));
1349 break;
1350 }
1351 }
1352
1353 /* ------------------------------------------------------------------------- *
1354 * CHILD PROCESS OPERATIONS *
1355 * ------------------------------------------------------------------------- */
1356 /*
1357 * The only open file descriptor is the slave tty - so no error messages.
1358 * returns are fatal
1359 */
1360 int
1361 rxvt_term::run_child (const char *const *argv)
1362 {
1363 char *login;
1364
1365 if (option (Opt_console))
1366 { /* be virtual console, fail silently */
1367 #ifdef TIOCCONS
1368 unsigned int on = 1;
1369
1370 ioctl (STDIN_FILENO, TIOCCONS, &on);
1371 #elif defined (SRIOCSREDIR)
1372 int fd;
1373
1374 fd = open (CONSOLE, O_WRONLY, 0);
1375 if (fd >= 0)
1376 if (ioctl (fd, SRIOCSREDIR, NULL) < 0)
1377 close (fd);
1378 #endif /* SRIOCSREDIR */
1379 }
1380
1381 /* reset signals and spin off the command interpreter */
1382 signal (SIGINT, SIG_DFL);
1383 signal (SIGQUIT, SIG_DFL);
1384 signal (SIGCHLD, SIG_DFL);
1385 signal (SIGHUP, SIG_DFL);
1386 signal (SIGPIPE, SIG_DFL);
1387 /*
1388 * mimick login's behavior by disabling the job control signals
1389 * a shell that wants them can turn them back on
1390 */
1391 #ifdef SIGTSTP
1392 signal (SIGTSTP, SIG_IGN);
1393 signal (SIGTTIN, SIG_IGN);
1394 signal (SIGTTOU, SIG_IGN);
1395 #endif /* SIGTSTP */
1396
1397 // unblock signals (signals are blocked by iom.C
1398 sigset_t ss;
1399 sigemptyset (&ss);
1400 sigprocmask (SIG_SETMASK, &ss, 0);
1401
1402 /* command interpreter path */
1403 if (argv != NULL)
1404 {
1405 # ifdef DEBUG_CMD
1406 int i;
1407
1408 for (i = 0; argv[i]; i++)
1409 fprintf (stderr, "argv [%d] = \"%s\"\n", i, argv[i]);
1410 # endif
1411
1412 execvp (argv[0], (char *const *)argv);
1413 /* no error message: STDERR is closed! */
1414 }
1415 else
1416 {
1417 const char *argv0, *shell;
1418
1419 if ((shell = getenv ("SHELL")) == NULL || *shell == '\0')
1420 shell = "/bin/sh";
1421
1422 argv0 = (const char *)rxvt_r_basename (shell);
1423
1424 if (option (Opt_loginShell))
1425 {
1426 login = (char *)rxvt_malloc ((strlen (argv0) + 2) * sizeof (char));
1427
1428 login[0] = '-';
1429 strcpy (&login[1], argv0);
1430 argv0 = login;
1431 }
1432
1433 execlp (shell, argv0, NULL);
1434 /* no error message: STDERR is closed! */
1435 }
1436
1437 return -1;
1438 }
1439
1440 /*----------------------- end-of-file (C source) -----------------------*/