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Revision: 1.220
Committed: Sun Oct 28 11:25:04 2007 UTC (16 years, 6 months ago) by ayin
Content type: text/plain
Branch: MAIN
Changes since 1.219: +1 -1 lines
Log Message:
Nuke rxvt_strdup.

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 i -= 8;
860 rs[Rs_color + idx] = rs[Rs_color + minBrightCOLOR + i];
861 return;
862 }
863
864 if (i >= 0 && i <= 7) /* normal colors */
865 rs[Rs_color + idx] = rs[Rs_color + minCOLOR + i];
866 }
867 }
868
869 /*----------------------------------------------------------------------*/
870 /*
871 * Probe the modifier keymap to get the Meta (Alt) and Num_Lock settings
872 * Use resource ``modifier'' to override the Meta modifier
873 */
874 void
875 rxvt_term::get_ourmods ()
876 {
877 int i, j, k;
878 int requestedmeta, realmeta, realalt;
879 const char *cm, *rsmod;
880 XModifierKeymap *map;
881 KeyCode *kc;
882 const unsigned int modmasks[] =
883 {
884 Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
885 };
886
887 requestedmeta = realmeta = realalt = 0;
888 rsmod = rs[Rs_modifier];
889
890 if (rsmod
891 && strcasecmp (rsmod, "mod1") >= 0 && strcasecmp (rsmod, "mod5") <= 0)
892 requestedmeta = rsmod[3] - '0';
893
894 map = XGetModifierMapping (dpy);
895 kc = map->modifiermap;
896
897 for (i = 1; i < 6; i++)
898 {
899 k = (i + 2) * map->max_keypermod; /* skip shift/lock/control */
900
901 for (j = map->max_keypermod; j--; k++)
902 {
903 if (kc[k] == 0)
904 break;
905
906 switch (XKeycodeToKeysym (dpy, kc[k], 0))
907 {
908 case XK_Num_Lock:
909 ModNumLockMask = modmasks[i - 1];
910 continue;
911
912 case XK_ISO_Level3_Shift:
913 ModLevel3Mask = modmasks[i - 1];
914 continue;
915
916 case XK_Meta_L:
917 case XK_Meta_R:
918 cm = "meta";
919 realmeta = i;
920 break;
921
922 case XK_Alt_L:
923 case XK_Alt_R:
924 cm = "alt";
925 realalt = i;
926 break;
927
928 case XK_Super_L:
929 case XK_Super_R:
930 cm = "super";
931 break;
932
933 case XK_Hyper_L:
934 case XK_Hyper_R:
935 cm = "hyper";
936 break;
937
938 default:
939 continue;
940 }
941
942 if (rsmod && strncasecmp (rsmod, cm, strlen (cm)) == 0)
943 requestedmeta = i;
944 }
945 }
946
947 XFreeModifiermap (map);
948
949 i = requestedmeta ? requestedmeta
950 : realmeta ? realmeta
951 : realalt ? realalt
952 : 0;
953
954 if (i)
955 ModMetaMask = modmasks[i - 1];
956 }
957
958 /*----------------------------------------------------------------------*/
959 /* rxvt_Create_Windows () - Open and map the window */
960 void
961 rxvt_term::create_windows (int argc, const char *const *argv)
962 {
963 XClassHint classHint;
964 XWMHints wmHint;
965 #if ENABLE_FRILLS
966 MWMHints mwmhints = { };
967 #endif
968 XGCValues gcvalue;
969 XSetWindowAttributes attributes;
970 Window top, parent;
971
972 dLocal (Display *, dpy);
973
974 /* grab colors before netscape does */
975 Get_Colours ();
976
977 if (!set_fonts ())
978 rxvt_fatal ("unable to load base fontset, please specify a valid one using -fn, aborting.\n");
979
980 parent = display->root;
981
982 attributes.override_redirect = !!option (Opt_override_redirect);
983
984 #if ENABLE_FRILLS
985 if (option (Opt_borderLess))
986 {
987 if (XInternAtom (dpy, "_MOTIF_WM_INFO", True) == None)
988 {
989 // rxvt_warn("Window Manager does not support MWM hints. Bypassing window manager control for borderless window.\n");
990 attributes.override_redirect = true;
991 }
992 else
993 {
994 mwmhints.flags = MWM_HINTS_DECORATIONS;
995 }
996 }
997 #endif
998
999 #if ENABLE_XEMBED
1000 if (rs[Rs_embed])
1001 {
1002 XWindowAttributes wattr;
1003
1004 parent = strtol (rs[Rs_embed], 0, 0);
1005
1006 if (!XGetWindowAttributes (dpy, parent, &wattr))
1007 rxvt_fatal ("invalid window-id specified with -embed, aborting.\n");
1008
1009 window_calc (wattr.width, wattr.height);
1010 }
1011 #endif
1012
1013 window_calc (0, 0);
1014
1015 /* sub-window placement & size in rxvt_resize_subwindows () */
1016 attributes.background_pixel = pix_colors_focused [Color_border];
1017 attributes.border_pixel = pix_colors_focused [Color_border];
1018 attributes.colormap = cmap;
1019
1020 top = XCreateWindow (dpy, parent,
1021 szHint.x, szHint.y,
1022 szHint.width, szHint.height,
1023 ext_bwidth,
1024 depth, InputOutput, visual,
1025 CWColormap | CWBackPixel | CWBorderPixel | CWOverrideRedirect,
1026 &attributes);
1027
1028 this->parent[0] = top;
1029
1030 old_width = szHint.width;
1031 old_height = szHint.height;
1032
1033 process_xterm_seq (XTerm_title, rs[Rs_title], CHAR_ST);
1034 process_xterm_seq (XTerm_iconName, rs[Rs_iconName], CHAR_ST);
1035
1036 classHint.res_name = (char *)rs[Rs_name];
1037 classHint.res_class = (char *)RESCLASS;
1038
1039 wmHint.flags = InputHint | StateHint | WindowGroupHint;
1040 wmHint.input = True;
1041 wmHint.initial_state = option (Opt_iconic) ? IconicState : NormalState;
1042 wmHint.window_group = top;
1043
1044 XmbSetWMProperties (dpy, top, NULL, NULL, (char **)argv, argc,
1045 &szHint, &wmHint, &classHint);
1046
1047 #if ENABLE_FRILLS
1048 if (mwmhints.flags)
1049 XChangeProperty (dpy, top, xa[XA_MOTIF_WM_HINTS], xa[XA_MOTIF_WM_HINTS], 32,
1050 PropModeReplace, (unsigned char *)&mwmhints, PROP_MWM_HINTS_ELEMENTS);
1051 #endif
1052
1053 Atom protocols[] = {
1054 xa[XA_WM_DELETE_WINDOW],
1055 #if ENABLE_EWMH
1056 xa[XA_NET_WM_PING],
1057 #endif
1058 };
1059
1060 XSetWMProtocols (dpy, top, protocols, sizeof (protocols) / sizeof (protocols[0]));
1061
1062 #if ENABLE_FRILLS
1063 if (rs[Rs_transient_for])
1064 XSetTransientForHint (dpy, top, (Window)strtol (rs[Rs_transient_for], 0, 0));
1065 #endif
1066
1067 #if ENABLE_EWMH
1068 long pid = getpid ();
1069
1070 XChangeProperty (dpy, top,
1071 xa[XA_NET_WM_PID], XA_CARDINAL, 32,
1072 PropModeReplace, (unsigned char *)&pid, 1);
1073
1074 // _NET_WM_WINDOW_TYPE is NORMAL, which is the default
1075 #endif
1076
1077 XSelectInput (dpy, top,
1078 KeyPressMask
1079 #if (MOUSE_WHEEL && MOUSE_SLIP_WHEELING) || ENABLE_FRILLS || ISO_14755
1080 | KeyReleaseMask
1081 #endif
1082 | FocusChangeMask | VisibilityChangeMask
1083 | ExposureMask | StructureNotifyMask);
1084
1085 termwin_ev.start (display, top);
1086
1087 /* vt cursor: Black-on-White is standard, but this is more popular */
1088 TermWin_cursor = XCreateFontCursor (dpy, XC_xterm);
1089
1090 #ifdef HAVE_SCROLLBARS
1091 /* cursor scrollBar: Black-on-White */
1092 leftptr_cursor = XCreateFontCursor (dpy, XC_left_ptr);
1093 #endif
1094
1095 /* the vt window */
1096 vt = XCreateSimpleWindow (dpy, top,
1097 window_vt_x, window_vt_y,
1098 width, height,
1099 0,
1100 pix_colors_focused[Color_fg],
1101 pix_colors_focused[Color_bg]);
1102
1103 attributes.bit_gravity = NorthWestGravity;
1104 XChangeWindowAttributes (dpy, vt, CWBitGravity, &attributes);
1105
1106 vt_emask = ExposureMask | ButtonPressMask | ButtonReleaseMask | PropertyChangeMask;
1107
1108 if (option (Opt_pointerBlank))
1109 vt_emask |= PointerMotionMask;
1110 else
1111 vt_emask |= Button1MotionMask | Button3MotionMask;
1112
1113 vt_select_input ();
1114
1115 vt_ev.start (display, vt);
1116
1117 /* graphics context for the vt window */
1118 gcvalue.foreground = pix_colors[Color_fg];
1119 gcvalue.background = pix_colors[Color_bg];
1120 gcvalue.graphics_exposures = 0;
1121
1122 gc = XCreateGC (dpy, vt,
1123 GCForeground | GCBackground | GCGraphicsExposures,
1124 &gcvalue);
1125
1126 drawable = new rxvt_drawable (this, vt);
1127
1128 #ifdef RXVT_SCROLLBAR
1129 gcvalue.foreground = pix_colors[Color_topShadow];
1130 topShadowGC = XCreateGC (dpy, vt, GCForeground, &gcvalue);
1131 gcvalue.foreground = pix_colors[Color_bottomShadow];
1132 botShadowGC = XCreateGC (dpy, vt, GCForeground, &gcvalue);
1133 gcvalue.foreground = pix_colors[ (depth <= 2 ? Color_fg : Color_scroll)];
1134 scrollbarGC = XCreateGC (dpy, vt, GCForeground, &gcvalue);
1135 #endif
1136
1137 #ifdef OFF_FOCUS_FADING
1138 // initially we are in unfocused state
1139 if (rs[Rs_fade])
1140 pix_colors = pix_colors_unfocused;
1141 #endif
1142
1143 pointer_unblank ();
1144 scr_recolour ();
1145 }
1146
1147 /* ------------------------------------------------------------------------- *
1148 * GET TTY CURRENT STATE *
1149 * ------------------------------------------------------------------------- */
1150 void
1151 rxvt_get_ttymode (ttymode_t *tio, int erase)
1152 {
1153 /*
1154 * standard System V termios interface
1155 */
1156 if (GET_TERMIOS (STDIN_FILENO, tio) < 0)
1157 {
1158 // return error - use system defaults,
1159 // where possible, and zero elsewhere
1160 memset (tio, 0, sizeof (ttymode_t));
1161
1162 tio->c_cc[VINTR] = CINTR;
1163 tio->c_cc[VQUIT] = CQUIT;
1164 tio->c_cc[VERASE] = CERASE;
1165 #ifdef VERASE2
1166 tio->c_cc[VERASE2] = CERASE2;
1167 #endif
1168 tio->c_cc[VKILL] = CKILL;
1169 tio->c_cc[VSTART] = CSTART;
1170 tio->c_cc[VSTOP] = CSTOP;
1171 tio->c_cc[VSUSP] = CSUSP;
1172 # ifdef VDSUSP
1173 tio->c_cc[VDSUSP] = CDSUSP;
1174 # endif
1175 # ifdef VREPRINT
1176 tio->c_cc[VREPRINT] = CRPRNT;
1177 # endif
1178 # ifdef VDISCRD
1179 tio->c_cc[VDISCRD] = CFLUSH;
1180 # endif
1181 # ifdef VWERSE
1182 tio->c_cc[VWERSE] = CWERASE;
1183 # endif
1184 # ifdef VLNEXT
1185 tio->c_cc[VLNEXT] = CLNEXT;
1186 # endif
1187 }
1188
1189 tio->c_cc[VEOF] = CEOF;
1190 tio->c_cc[VEOL] = VDISABLE;
1191 # ifdef VEOL2
1192 tio->c_cc[VEOL2] = VDISABLE;
1193 # endif
1194 # ifdef VSWTC
1195 tio->c_cc[VSWTC] = VDISABLE;
1196 # endif
1197 # ifdef VSWTCH
1198 tio->c_cc[VSWTCH] = VDISABLE;
1199 # endif
1200 # if VMIN != VEOF
1201 tio->c_cc[VMIN] = 1;
1202 # endif
1203 # if VTIME != VEOL
1204 tio->c_cc[VTIME] = 0;
1205 # endif
1206
1207 if (erase != -1)
1208 tio->c_cc[VERASE] = (char)erase;
1209
1210 /* input modes */
1211 tio->c_iflag = (BRKINT | IGNPAR | ICRNL
1212 # ifdef IMAXBEL
1213 | IMAXBEL
1214 # endif
1215 | IXON);
1216
1217 /* output modes */
1218 tio->c_oflag = (OPOST | ONLCR);
1219
1220 /* control modes */
1221 tio->c_cflag = (CS8 | CREAD);
1222
1223 /* line discipline modes */
1224 tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
1225 # if defined (ECHOCTL) && defined (ECHOKE)
1226 | ECHOCTL | ECHOKE
1227 # endif
1228 | ECHOE | ECHOK);
1229
1230 /*
1231 * Debugging
1232 */
1233 #ifdef DEBUG_TTYMODE
1234 #ifdef HAVE_TERMIOS_H
1235 /* c_iflag bits */
1236 fprintf (stderr, "Input flags\n");
1237
1238 /* cpp token stringize doesn't work on all machines <sigh> */
1239 # define FOO(flag,name) \
1240 if ((tio->c_iflag) & flag) \
1241 fprintf (stderr, "%s ", name)
1242
1243 /* c_iflag bits */
1244 FOO (IGNBRK, "IGNBRK");
1245 FOO (BRKINT, "BRKINT");
1246 FOO (IGNPAR, "IGNPAR");
1247 FOO (PARMRK, "PARMRK");
1248 FOO (INPCK, "INPCK");
1249 FOO (ISTRIP, "ISTRIP");
1250 FOO (INLCR, "INLCR");
1251 FOO (IGNCR, "IGNCR");
1252 FOO (ICRNL, "ICRNL");
1253 FOO (IXON, "IXON");
1254 FOO (IXOFF, "IXOFF");
1255 # ifdef IUCLC
1256 FOO (IUCLC, "IUCLC");
1257 # endif
1258 # ifdef IXANY
1259 FOO (IXANY, "IXANY");
1260 # endif
1261 # ifdef IMAXBEL
1262 FOO (IMAXBEL, "IMAXBEL");
1263 # endif
1264
1265 fprintf (stderr, "\n");
1266
1267 # undef FOO
1268 # define FOO(entry, name) \
1269 fprintf (stderr, "%-8s = %#04o\n", name, tio->c_cc [entry])
1270
1271 FOO (VINTR, "VINTR");
1272 FOO (VQUIT, "VQUIT");
1273 FOO (VERASE, "VERASE");
1274 FOO (VKILL, "VKILL");
1275 FOO (VEOF, "VEOF");
1276 FOO (VEOL, "VEOL");
1277 # ifdef VEOL2
1278 FOO (VEOL2, "VEOL2");
1279 # endif
1280 # ifdef VSWTC
1281 FOO (VSWTC, "VSWTC");
1282 # endif
1283 # ifdef VSWTCH
1284 FOO (VSWTCH, "VSWTCH");
1285 # endif
1286 FOO (VSTART, "VSTART");
1287 FOO (VSTOP, "VSTOP");
1288 FOO (VSUSP, "VSUSP");
1289 # ifdef VDSUSP
1290 FOO (VDSUSP, "VDSUSP");
1291 # endif
1292 # ifdef VREPRINT
1293 FOO (VREPRINT, "VREPRINT");
1294 # endif
1295 # ifdef VDISCRD
1296 FOO (VDISCRD, "VDISCRD");
1297 # endif
1298 # ifdef VWERSE
1299 FOO (VWERSE, "VWERSE");
1300 # endif
1301 # ifdef VLNEXT
1302 FOO (VLNEXT, "VLNEXT");
1303 # endif
1304
1305 fprintf (stderr, "\n");
1306 # undef FOO
1307 # endif /* HAVE_TERMIOS_H */
1308 #endif /* DEBUG_TTYMODE */
1309 }
1310
1311 /*----------------------------------------------------------------------*/
1312 /*
1313 * Run the command in a subprocess and return a file descriptor for the
1314 * master end of the pseudo-teletype pair with the command talking to
1315 * the slave.
1316 */
1317 void
1318 rxvt_term::run_command (const char *const *argv)
1319 {
1320 #if ENABLE_FRILLS
1321 if (rs[Rs_pty_fd])
1322 {
1323 pty->pty = atoi (rs[Rs_pty_fd]);
1324
1325 if (pty->pty >= 0)
1326 {
1327 if (getfd_hook)
1328 pty->pty = (*getfd_hook) (pty->pty);
1329
1330 if (pty->pty < 0 || fcntl (pty->pty, F_SETFL, O_NONBLOCK))
1331 rxvt_fatal ("unusable pty-fd filehandle, aborting.\n");
1332 }
1333 }
1334 else
1335 #endif
1336 if (!pty->get ())
1337 rxvt_fatal ("can't initialize pseudo-tty, aborting.\n");
1338
1339 int er;
1340
1341 #ifndef NO_BACKSPACE_KEY
1342 if (rs[Rs_backspace_key][0] && !rs[Rs_backspace_key][1])
1343 er = rs[Rs_backspace_key][0];
1344 else if (strcmp (rs[Rs_backspace_key], "DEC") == 0)
1345 er = '\177'; /* the initial state anyway */
1346 else
1347 #endif
1348 er = -1;
1349
1350 rxvt_get_ttymode (&tio, er);
1351 SET_TERMIOS (pty->tty, &tio); /* init terminal attributes */
1352 pty->set_utf8_mode (enc_utf8);
1353
1354 /* set initial window size */
1355 tt_winch ();
1356
1357 #if ENABLE_FRILLS
1358 if (rs[Rs_pty_fd])
1359 return;
1360 #endif
1361
1362 /* spin off the command interpreter */
1363 switch (cmd_pid = fork ())
1364 {
1365 case -1:
1366 {
1367 cmd_pid = 0;
1368 rxvt_fatal ("can't fork, aborting.\n");
1369 }
1370 case 0:
1371 init_env ();
1372
1373 if (!pty->make_controlling_tty ())
1374 fprintf (stderr, "%s: could not obtain control of tty.", RESNAME);
1375 else
1376 {
1377 /* Reopen stdin, stdout and stderr over the tty file descriptor */
1378 dup2 (pty->tty, STDIN_FILENO);
1379 dup2 (pty->tty, STDOUT_FILENO);
1380 dup2 (pty->tty, STDERR_FILENO);
1381
1382 // close all our file handles that we do no longer need
1383 for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
1384 {
1385 if ((*t)->pty->pty > 2) close ((*t)->pty->pty);
1386 if ((*t)->pty->tty > 2) close ((*t)->pty->tty);
1387 }
1388
1389 run_child (argv);
1390 fprintf (stderr, "%s: unable to exec child.", RESNAME);
1391 }
1392
1393 _exit (EXIT_FAILURE);
1394
1395 default:
1396 if (!option (Opt_utmpInhibit))
1397 pty->login (cmd_pid, option (Opt_loginShell), rs[Rs_display_name]);
1398
1399 pty->close_tty ();
1400
1401 child_ev.start (cmd_pid);
1402
1403 HOOK_INVOKE ((this, HOOK_CHILD_START, DT_INT, cmd_pid, DT_END));
1404 break;
1405 }
1406 }
1407
1408 /* ------------------------------------------------------------------------- *
1409 * CHILD PROCESS OPERATIONS *
1410 * ------------------------------------------------------------------------- */
1411 /*
1412 * The only open file descriptor is the slave tty - so no error messages.
1413 * returns are fatal
1414 */
1415 int
1416 rxvt_term::run_child (const char *const *argv)
1417 {
1418 char *login;
1419
1420 if (option (Opt_console))
1421 { /* be virtual console, fail silently */
1422 #ifdef TIOCCONS
1423 unsigned int on = 1;
1424
1425 ioctl (STDIN_FILENO, TIOCCONS, &on);
1426 #elif defined (SRIOCSREDIR)
1427 int fd;
1428
1429 fd = open (CONSOLE, O_WRONLY, 0);
1430 if (fd >= 0)
1431 if (ioctl (fd, SRIOCSREDIR, NULL) < 0)
1432 close (fd);
1433 #endif /* SRIOCSREDIR */
1434 }
1435
1436 /* reset signals and spin off the command interpreter */
1437 signal (SIGINT, SIG_DFL);
1438 signal (SIGQUIT, SIG_DFL);
1439 signal (SIGCHLD, SIG_DFL);
1440 signal (SIGHUP, SIG_DFL);
1441 signal (SIGPIPE, SIG_DFL);
1442 /*
1443 * mimick login's behavior by disabling the job control signals
1444 * a shell that wants them can turn them back on
1445 */
1446 #ifdef SIGTSTP
1447 signal (SIGTSTP, SIG_IGN);
1448 signal (SIGTTIN, SIG_IGN);
1449 signal (SIGTTOU, SIG_IGN);
1450 #endif /* SIGTSTP */
1451
1452 // unblock signals (signals are blocked by iom.C
1453 sigset_t ss;
1454 sigemptyset (&ss);
1455 sigprocmask (SIG_SETMASK, &ss, 0);
1456
1457 /* command interpreter path */
1458 if (argv)
1459 {
1460 # ifdef DEBUG_CMD
1461 int i;
1462
1463 for (i = 0; argv[i]; i++)
1464 fprintf (stderr, "argv [%d] = \"%s\"\n", i, argv[i]);
1465 # endif
1466
1467 execvp (argv[0], (char *const *)argv);
1468 /* no error message: STDERR is closed! */
1469 }
1470 else
1471 {
1472 const char *argv0, *shell;
1473
1474 if ((shell = getenv ("SHELL")) == NULL || *shell == '\0')
1475 shell = "/bin/sh";
1476
1477 argv0 = (const char *)rxvt_basename (shell);
1478
1479 if (option (Opt_loginShell))
1480 {
1481 login = (char *)rxvt_malloc (strlen (argv0) + 2);
1482
1483 login[0] = '-';
1484 strcpy (&login[1], argv0);
1485 argv0 = login;
1486 }
1487
1488 execlp (shell, argv0, (char *)0);
1489 /* no error message: STDERR is closed! */
1490 }
1491
1492 return -1;
1493 }
1494
1495 /*----------------------- end-of-file (C source) -----------------------*/