Commit | Line | Data |
---|---|---|
f927c5ae | 1 | /* Fully extensible Emacs, running on Unix, intended for GNU. |
f8c25f1b | 2 | Copyright (C) 1985, 86, 87, 93, 94, 95 Free Software Foundation, Inc. |
f927c5ae JB |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
40be253a | 8 | the Free Software Foundation; either version 2, or (at your option) |
f927c5ae JB |
9 | any later version. |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
5a7670bf RS |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
19 | Boston, MA 02111-1307, USA. */ | |
f927c5ae JB |
20 | |
21 | ||
22 | #include <signal.h> | |
23 | #include <errno.h> | |
24 | ||
18160b98 | 25 | #include <config.h> |
f927c5ae JB |
26 | #include <stdio.h> |
27 | ||
28 | #include <sys/types.h> | |
29 | #include <sys/file.h> | |
30 | ||
31 | #ifdef VMS | |
32 | #include <ssdef.h> | |
33 | #endif | |
34 | ||
488b7cb3 | 35 | #ifdef BSD_SYSTEM |
f927c5ae JB |
36 | #include <sys/ioctl.h> |
37 | #endif | |
38 | ||
f927c5ae JB |
39 | #include "lisp.h" |
40 | #include "commands.h" | |
bef79ee4 | 41 | #include "intervals.h" |
f927c5ae | 42 | |
edc8ae07 | 43 | #include "systty.h" |
6c3a4e9d | 44 | #include "blockinput.h" |
8090eb09 | 45 | #include "syssignal.h" |
6c362a8b | 46 | #include "process.h" |
a41f8bed | 47 | |
53c58b5d RS |
48 | #ifdef HAVE_SETRLIMIT |
49 | #include <sys/time.h> | |
50 | #include <sys/resource.h> | |
51 | #endif | |
52 | ||
f927c5ae JB |
53 | #ifndef O_RDWR |
54 | #define O_RDWR 2 | |
55 | #endif | |
56 | ||
43165242 | 57 | extern void malloc_warning (); |
0269dedb | 58 | extern void set_time_zone_rule (); |
43165242 KH |
59 | extern char *index (); |
60 | extern char *strerror (); | |
61 | ||
f927c5ae JB |
62 | /* Command line args from shell, as list of strings */ |
63 | Lisp_Object Vcommand_line_args; | |
64 | ||
59653951 JB |
65 | /* The name under which Emacs was invoked, with any leading directory |
66 | names discarded. */ | |
67 | Lisp_Object Vinvocation_name; | |
68 | ||
ace40a69 RS |
69 | /* The directory name from which Emacs was invoked. */ |
70 | Lisp_Object Vinvocation_directory; | |
71 | ||
07f4d123 RS |
72 | /* The directory name in which to find subdirs such as lisp and etc. |
73 | nil means get them only from PATH_LOADSEARCH. */ | |
74 | Lisp_Object Vinstallation_directory; | |
75 | ||
e5d77022 JB |
76 | /* Hook run by `kill-emacs' before it does really anything. */ |
77 | Lisp_Object Vkill_emacs_hook; | |
78 | ||
f927c5ae JB |
79 | /* Set nonzero after Emacs has started up the first time. |
80 | Prevents reinitialization of the Lisp world and keymaps | |
81 | on subsequent starts. */ | |
82 | int initialized; | |
83 | ||
271c7b7c | 84 | /* Variable whose value is symbol giving operating system type. */ |
f927c5ae | 85 | Lisp_Object Vsystem_type; |
271c7b7c RS |
86 | |
87 | /* Variable whose value is string giving configuration built for. */ | |
88 | Lisp_Object Vsystem_configuration; | |
f0fc0b1a KH |
89 | |
90 | /* Variable whose value is string giving configuration options, | |
91 | for use when reporting bugs. */ | |
92 | Lisp_Object Vsystem_configuration_options; | |
93 | ||
f927c5ae JB |
94 | /* If non-zero, emacs should not attempt to use an window-specific code, |
95 | but instead should use the virtual terminal under which it was started */ | |
96 | int inhibit_window_system; | |
97 | ||
5aa7f46a JB |
98 | /* If nonzero, set Emacs to run at this priority. This is also used |
99 | in child_setup and sys_suspend to make sure subshells run at normal | |
100 | priority; Those functions have their own extern declaration. */ | |
3005da00 RS |
101 | int emacs_priority; |
102 | ||
7074fde6 FP |
103 | /* If non-zero a filter or a sentinel is running. Tested to save the match |
104 | data on the first attempt to change it inside asynchronous code. */ | |
105 | int running_asynch_code; | |
106 | ||
647cec74 | 107 | #ifdef BSD_PGRPS |
9ae8f997 JB |
108 | /* See sysdep.c. */ |
109 | extern int inherited_pgroup; | |
110 | #endif | |
111 | ||
f927c5ae JB |
112 | #ifdef HAVE_X_WINDOWS |
113 | /* If non-zero, -d was specified, meaning we're using some window system. */ | |
114 | int display_arg; | |
115 | #endif | |
116 | ||
117 | /* An address near the bottom of the stack. | |
118 | Tells GC how to save a copy of the stack. */ | |
119 | char *stack_bottom; | |
120 | ||
8ba50e1a | 121 | #ifdef HAVE_WINDOW_SYSTEM |
f927c5ae | 122 | extern Lisp_Object Vwindow_system; |
8ba50e1a | 123 | #endif /* HAVE_WINDOW_SYSTEM */ |
f927c5ae | 124 | |
1090a161 RS |
125 | extern Lisp_Object Vauto_save_list_file_name; |
126 | ||
f927c5ae JB |
127 | #ifdef USG_SHARED_LIBRARIES |
128 | /* If nonzero, this is the place to put the end of the writable segment | |
129 | at startup. */ | |
130 | ||
131 | unsigned int bss_end = 0; | |
132 | #endif | |
133 | ||
134 | /* Nonzero means running Emacs without interactive terminal. */ | |
135 | ||
136 | int noninteractive; | |
137 | ||
138 | /* Value of Lisp variable `noninteractive'. | |
139 | Normally same as C variable `noninteractive' | |
140 | but nothing terrible happens if user sets this one. */ | |
141 | ||
142 | int noninteractive1; | |
e29f86e4 RS |
143 | |
144 | /* Save argv and argc. */ | |
145 | char **initial_argv; | |
146 | int initial_argc; | |
081bef73 RS |
147 | |
148 | static void sort_args (); | |
f927c5ae JB |
149 | \f |
150 | /* Signal code for the fatal signal that was received */ | |
151 | int fatal_error_code; | |
152 | ||
153 | /* Nonzero if handling a fatal error already */ | |
154 | int fatal_error_in_progress; | |
155 | ||
156 | /* Handle bus errors, illegal instruction, etc. */ | |
2447c626 | 157 | SIGTYPE |
f927c5ae JB |
158 | fatal_error_signal (sig) |
159 | int sig; | |
160 | { | |
f927c5ae JB |
161 | fatal_error_code = sig; |
162 | signal (sig, SIG_DFL); | |
163 | ||
061b7f94 RS |
164 | TOTALLY_UNBLOCK_INPUT; |
165 | ||
f927c5ae | 166 | /* If fatal error occurs in code below, avoid infinite recursion. */ |
8090eb09 JB |
167 | if (! fatal_error_in_progress) |
168 | { | |
169 | fatal_error_in_progress = 1; | |
f927c5ae | 170 | |
f7ab4e3d | 171 | shut_down_emacs (sig, 0, Qnil); |
8090eb09 | 172 | } |
f927c5ae JB |
173 | |
174 | #ifdef VMS | |
f927c5ae JB |
175 | LIB$STOP (SS$_ABORT); |
176 | #else | |
8090eb09 JB |
177 | /* Signal the same code; this time it will really be fatal. |
178 | Remember that since we're in a signal handler, the signal we're | |
179 | going to send is probably blocked, so we have to unblock it if we | |
180 | want to really receive it. */ | |
29b89fe0 | 181 | #ifndef MSDOS |
a90538cb | 182 | sigunblock (sigmask (fatal_error_code)); |
29b89fe0 | 183 | #endif |
f927c5ae JB |
184 | kill (getpid (), fatal_error_code); |
185 | #endif /* not VMS */ | |
186 | } | |
271c7b7c RS |
187 | |
188 | #ifdef SIGDANGER | |
189 | ||
16c323ee | 190 | /* Handler for SIGDANGER. */ |
271c7b7c RS |
191 | SIGTYPE |
192 | memory_warning_signal (sig) | |
193 | int sig; | |
194 | { | |
195 | signal (sig, memory_warning_signal); | |
196 | ||
197 | malloc_warning ("Operating system warns that virtual memory is running low.\n"); | |
55796183 RS |
198 | |
199 | /* It might be unsafe to call do_auto_save now. */ | |
200 | force_auto_save_soon (); | |
271c7b7c RS |
201 | } |
202 | #endif | |
f927c5ae JB |
203 | \f |
204 | /* Code for dealing with Lisp access to the Unix command line */ | |
205 | ||
206 | static | |
207 | init_cmdargs (argc, argv, skip_args) | |
208 | int argc; | |
209 | char **argv; | |
210 | int skip_args; | |
211 | { | |
212 | register int i; | |
07f4d123 | 213 | Lisp_Object name, dir; |
f927c5ae | 214 | |
e29f86e4 RS |
215 | initial_argv = argv; |
216 | initial_argc = argc; | |
217 | ||
cb421be8 | 218 | Vinvocation_name = Ffile_name_nondirectory (build_string (argv[0])); |
ace40a69 RS |
219 | Vinvocation_directory = Ffile_name_directory (build_string (argv[0])); |
220 | /* If we got no directory in argv[0], search PATH to find where | |
221 | Emacs actually came from. */ | |
222 | if (NILP (Vinvocation_directory)) | |
223 | { | |
224 | Lisp_Object found; | |
225 | int yes = openp (Vexec_path, Vinvocation_name, | |
6c362a8b | 226 | EXEC_SUFFIXES, &found, 1); |
e443f843 | 227 | if (yes == 1) |
ace40a69 RS |
228 | Vinvocation_directory = Ffile_name_directory (found); |
229 | } | |
59653951 | 230 | |
4133b300 RS |
231 | if (!NILP (Vinvocation_directory) |
232 | && NILP (Ffile_name_absolute_p (Vinvocation_directory))) | |
233 | /* Emacs was started with relative path, like ./emacs */ | |
234 | Vinvocation_directory = Fexpand_file_name (Vinvocation_directory, Qnil); | |
235 | ||
07f4d123 RS |
236 | Vinstallation_directory = Qnil; |
237 | ||
238 | if (!NILP (Vinvocation_directory)) | |
239 | { | |
240 | dir = Vinvocation_directory; | |
241 | name = Fexpand_file_name (Vinvocation_name, dir); | |
242 | while (1) | |
243 | { | |
f5ab9736 | 244 | Lisp_Object tem, lib_src_exists; |
07f4d123 RS |
245 | Lisp_Object etc_exists, info_exists; |
246 | ||
f5ab9736 RS |
247 | /* See if dir contains subdirs for use by Emacs. |
248 | Check for the ones that would exist in a build directory, | |
249 | not including lisp and info. */ | |
250 | tem = Fexpand_file_name (build_string ("lib-src"), dir); | |
251 | lib_src_exists = Ffile_exists_p (tem); | |
252 | if (!NILP (lib_src_exists)) | |
07f4d123 | 253 | { |
f5ab9736 RS |
254 | tem = Fexpand_file_name (build_string ("etc"), dir); |
255 | etc_exists = Ffile_exists_p (tem); | |
256 | if (!NILP (etc_exists)) | |
07f4d123 | 257 | { |
f5ab9736 RS |
258 | Vinstallation_directory |
259 | = Ffile_name_as_directory (dir); | |
260 | break; | |
07f4d123 RS |
261 | } |
262 | } | |
263 | ||
264 | /* See if dir's parent contains those subdirs. */ | |
f5ab9736 RS |
265 | tem = Fexpand_file_name (build_string ("../lib-src"), dir); |
266 | lib_src_exists = Ffile_exists_p (tem); | |
267 | if (!NILP (lib_src_exists)) | |
07f4d123 | 268 | { |
f5ab9736 RS |
269 | tem = Fexpand_file_name (build_string ("../etc"), dir); |
270 | etc_exists = Ffile_exists_p (tem); | |
271 | if (!NILP (etc_exists)) | |
07f4d123 | 272 | { |
f5ab9736 RS |
273 | tem = Fexpand_file_name (build_string (".."), dir); |
274 | Vinstallation_directory | |
275 | = Ffile_name_as_directory (tem); | |
276 | break; | |
07f4d123 RS |
277 | } |
278 | } | |
279 | ||
280 | /* If the Emacs executable is actually a link, | |
281 | next try the dir that the link points into. */ | |
282 | tem = Ffile_symlink_p (name); | |
283 | if (!NILP (tem)) | |
284 | { | |
260ec24d | 285 | name = Fexpand_file_name (tem, dir); |
07f4d123 RS |
286 | dir = Ffile_name_directory (name); |
287 | } | |
288 | else | |
289 | break; | |
290 | } | |
291 | } | |
292 | ||
f927c5ae JB |
293 | Vcommand_line_args = Qnil; |
294 | ||
295 | for (i = argc - 1; i >= 0; i--) | |
296 | { | |
297 | if (i == 0 || i > skip_args) | |
298 | Vcommand_line_args | |
299 | = Fcons (build_string (argv[i]), Vcommand_line_args); | |
300 | } | |
301 | } | |
59653951 JB |
302 | |
303 | DEFUN ("invocation-name", Finvocation_name, Sinvocation_name, 0, 0, 0, | |
304 | "Return the program name that was used to run Emacs.\n\ | |
305 | Any directory names are omitted.") | |
306 | () | |
307 | { | |
308 | return Fcopy_sequence (Vinvocation_name); | |
309 | } | |
310 | ||
ace40a69 RS |
311 | DEFUN ("invocation-directory", Finvocation_directory, Sinvocation_directory, |
312 | 0, 0, 0, | |
313 | "Return the directory name in which the Emacs executable was located") | |
314 | () | |
315 | { | |
316 | return Fcopy_sequence (Vinvocation_directory); | |
317 | } | |
318 | ||
f927c5ae JB |
319 | \f |
320 | #ifdef VMS | |
321 | #ifdef LINK_CRTL_SHARE | |
34035df3 | 322 | #ifdef SHARABLE_LIB_BUG |
f927c5ae | 323 | extern noshare char **environ; |
34035df3 | 324 | #endif /* SHARABLE_LIB_BUG */ |
f927c5ae JB |
325 | #endif /* LINK_CRTL_SHARE */ |
326 | #endif /* VMS */ | |
327 | ||
0269dedb RS |
328 | #ifdef HAVE_TZSET |
329 | /* A valid but unlikely value for the TZ environment value. | |
330 | It is OK (though a bit slower) if the user actually chooses this value. */ | |
331 | static char dump_tz[] = "UtC0"; | |
332 | #endif | |
333 | ||
a90538cb | 334 | #ifndef ORDINARY_LINK |
efd241cc RS |
335 | /* We don't include crtbegin.o and crtend.o in the link, |
336 | so these functions and variables might be missed. | |
337 | Provide dummy definitions to avoid error. | |
338 | (We don't have any real constructors or destructors.) */ | |
339 | #ifdef __GNUC__ | |
46e65b73 | 340 | #ifndef GCC_CTORS_IN_LIBC |
c83a7064 | 341 | __do_global_ctors () |
efd241cc | 342 | {} |
c83a7064 RS |
343 | __do_global_ctors_aux () |
344 | {} | |
33143604 RS |
345 | __do_global_dtors () |
346 | {} | |
64c1864a RS |
347 | /* Linux has a bug in its library; avoid an error. */ |
348 | #ifndef LINUX | |
c83a7064 | 349 | char * __CTOR_LIST__[2] = { (char *) (-1), 0 }; |
64c1864a | 350 | #endif |
c83a7064 | 351 | char * __DTOR_LIST__[2] = { (char *) (-1), 0 }; |
46e65b73 | 352 | #endif /* GCC_CTORS_IN_LIBC */ |
c83a7064 | 353 | __main () |
efd241cc | 354 | {} |
efd241cc | 355 | #endif /* __GNUC__ */ |
a90538cb | 356 | #endif /* ORDINARY_LINK */ |
efd241cc | 357 | |
e2925360 KH |
358 | /* Test whether the next argument in ARGV matches SSTR or a prefix of |
359 | LSTR (at least MINLEN characters). If so, then if VALPTR is non-null | |
360 | (the argument is supposed to have a value) store in *VALPTR either | |
361 | the next argument or the portion of this one after the equal sign. | |
362 | ARGV is read starting at position *SKIPPTR; this index is advanced | |
363 | by the number of arguments used. | |
364 | ||
365 | Too bad we can't just use getopt for all of this, but we don't have | |
366 | enough information to do it right. */ | |
081bef73 | 367 | |
e2925360 | 368 | static int |
df6530f8 | 369 | argmatch (argv, argc, sstr, lstr, minlen, valptr, skipptr) |
e2925360 | 370 | char **argv; |
df6530f8 | 371 | int argc; |
e2925360 KH |
372 | char *sstr; |
373 | char *lstr; | |
374 | int minlen; | |
375 | char **valptr; | |
376 | int *skipptr; | |
377 | { | |
378 | char *p; | |
379 | int arglen; | |
df6530f8 RS |
380 | char *arg; |
381 | ||
382 | /* Don't access argv[argc]; give up in advance. */ | |
383 | if (argc <= *skipptr + 1) | |
384 | return 0; | |
385 | ||
386 | arg = argv[*skipptr+1]; | |
e2925360 KH |
387 | if (arg == NULL) |
388 | return 0; | |
389 | if (strcmp (arg, sstr) == 0) | |
390 | { | |
391 | if (valptr != NULL) | |
392 | { | |
393 | *valptr = argv[*skipptr+2]; | |
394 | *skipptr += 2; | |
395 | } | |
396 | else | |
397 | *skipptr += 1; | |
398 | return 1; | |
399 | } | |
400 | arglen = (valptr != NULL && (p = index (arg, '=')) != NULL | |
401 | ? p - arg : strlen (arg)); | |
c03e1113 | 402 | if (lstr == 0 || arglen < minlen || strncmp (arg, lstr, arglen) != 0) |
e2925360 KH |
403 | return 0; |
404 | else if (valptr == NULL) | |
405 | { | |
406 | *skipptr += 1; | |
407 | return 1; | |
408 | } | |
409 | else if (p != NULL) | |
410 | { | |
411 | *valptr = p+1; | |
412 | *skipptr += 1; | |
413 | return 1; | |
414 | } | |
415 | else if (argv[*skipptr+2] != NULL) | |
416 | { | |
417 | *valptr = argv[*skipptr+2]; | |
418 | *skipptr += 2; | |
419 | return 1; | |
420 | } | |
421 | else | |
422 | { | |
423 | return 0; | |
424 | } | |
425 | } | |
426 | ||
f927c5ae JB |
427 | /* ARGSUSED */ |
428 | main (argc, argv, envp) | |
429 | int argc; | |
430 | char **argv; | |
431 | char **envp; | |
432 | { | |
433 | char stack_bottom_variable; | |
434 | int skip_args = 0; | |
435 | extern int errno; | |
436 | extern sys_nerr; | |
53c58b5d RS |
437 | #ifdef HAVE_SETRLIMIT |
438 | struct rlimit rlim; | |
439 | #endif | |
f927c5ae | 440 | |
6000fe37 RS |
441 | #ifdef LINUX_SBRK_BUG |
442 | __sbrk (1); | |
443 | #endif | |
444 | ||
081bef73 RS |
445 | sort_args (argc, argv); |
446 | ||
1702afef RS |
447 | if (argmatch (argv, argc, "-version", "--version", 3, NULL, &skip_args)) |
448 | { | |
449 | Lisp_Object tem; | |
450 | tem = Fsymbol_value (intern ("emacs-version")); | |
451 | if (!STRINGP (tem)) | |
452 | { | |
453 | fprintf (stderr, "Invalid value of `emacs-version'\n"); | |
454 | exit (1); | |
455 | } | |
456 | else | |
457 | { | |
30ce1583 | 458 | printf ("GNU Emacs %s\n", XSTRING (tem)->data); |
1702afef RS |
459 | exit (0); |
460 | } | |
461 | } | |
462 | ||
f927c5ae JB |
463 | /* Map in shared memory, if we are using that. */ |
464 | #ifdef HAVE_SHM | |
df6530f8 | 465 | if (argmatch (argv, argc, "-nl", "--no-shared-memory", 6, NULL, &skip_args)) |
f927c5ae JB |
466 | { |
467 | map_in_data (0); | |
468 | /* The shared memory was just restored, which clobbered this. */ | |
469 | skip_args = 1; | |
470 | } | |
471 | else | |
472 | { | |
473 | map_in_data (1); | |
474 | /* The shared memory was just restored, which clobbered this. */ | |
475 | skip_args = 0; | |
476 | } | |
477 | #endif | |
478 | ||
19a36ec6 | 479 | #ifdef NeXT |
b9df9faa KH |
480 | { |
481 | extern int malloc_cookie; | |
482 | /* This helps out unexnext.c. */ | |
483 | if (initialized) | |
484 | if (malloc_jumpstart (malloc_cookie) != 0) | |
485 | printf ("malloc jumpstart failed!\n"); | |
486 | } | |
19a36ec6 RS |
487 | #endif /* NeXT */ |
488 | ||
f927c5ae JB |
489 | #ifdef VMS |
490 | /* If -map specified, map the data file in */ | |
e2925360 KH |
491 | { |
492 | char *file; | |
df6530f8 | 493 | if (argmatch (argv, argc, "-map", "--map-data", 3, &mapin_file, &skip_args)) |
e2925360 KH |
494 | mapin_data (file); |
495 | } | |
f927c5ae JB |
496 | |
497 | #ifdef LINK_CRTL_SHARE | |
34035df3 | 498 | #ifdef SHARABLE_LIB_BUG |
f927c5ae JB |
499 | /* Bletcherous shared libraries! */ |
500 | if (!stdin) | |
501 | stdin = fdopen (0, "r"); | |
502 | if (!stdout) | |
503 | stdout = fdopen (1, "w"); | |
504 | if (!stderr) | |
505 | stderr = fdopen (2, "w"); | |
506 | if (!environ) | |
507 | environ = envp; | |
34035df3 | 508 | #endif /* SHARABLE_LIB_BUG */ |
f927c5ae JB |
509 | #endif /* LINK_CRTL_SHARE */ |
510 | #endif /* VMS */ | |
511 | ||
53c58b5d RS |
512 | #ifdef HAVE_SETRLIMIT |
513 | /* Extend the stack space available. */ | |
514 | if (!getrlimit (RLIMIT_STACK, &rlim)) | |
515 | { | |
516 | rlim.rlim_cur = rlim.rlim_max; | |
517 | setrlimit (RLIMIT_STACK, &rlim); | |
518 | } | |
519 | #endif | |
520 | ||
f927c5ae JB |
521 | /* Record (approximately) where the stack begins. */ |
522 | stack_bottom = &stack_bottom_variable; | |
523 | ||
524 | #ifdef RUN_TIME_REMAP | |
525 | if (initialized) | |
526 | run_time_remap (argv[0]); | |
527 | #endif | |
528 | ||
529 | #ifdef USG_SHARED_LIBRARIES | |
530 | if (bss_end) | |
1d233b80 | 531 | brk ((void *)bss_end); |
f927c5ae JB |
532 | #endif |
533 | ||
534 | clearerr (stdin); | |
9ae8f997 | 535 | |
f927c5ae JB |
536 | #ifndef SYSTEM_MALLOC |
537 | if (! initialized) | |
9ac0d9e0 JB |
538 | { |
539 | /* Arrange to get warning messages as memory fills up. */ | |
540 | memory_warnings (0, malloc_warning); | |
541 | ||
542 | /* Arrange to disable interrupt input while malloc and friends are | |
543 | running. */ | |
544 | uninterrupt_malloc (); | |
545 | } | |
f927c5ae JB |
546 | #endif /* not SYSTEM_MALLOC */ |
547 | ||
29b89fe0 RS |
548 | #ifdef MSDOS |
549 | /* We do all file input/output as binary files. When we need to translate | |
550 | newlines, we do that manually. */ | |
551 | _fmode = O_BINARY; | |
18198bb2 RS |
552 | |
553 | #if __DJGPP__ >= 2 | |
554 | if (!isatty (fileno (stdin))) | |
555 | setmode (fileno (stdin), O_BINARY); | |
556 | if (!isatty (fileno (stdout))) | |
557 | { | |
558 | fflush (stdout); | |
559 | setmode (fileno (stdout), O_BINARY); | |
560 | } | |
561 | #else /* not __DJGPP__ >= 2 */ | |
29b89fe0 RS |
562 | (stdin)->_flag &= ~_IOTEXT; |
563 | (stdout)->_flag &= ~_IOTEXT; | |
564 | (stderr)->_flag &= ~_IOTEXT; | |
18198bb2 | 565 | #endif /* not __DJGPP__ >= 2 */ |
29b89fe0 RS |
566 | #endif /* MSDOS */ |
567 | ||
a422068f | 568 | #ifdef SET_EMACS_PRIORITY |
3005da00 | 569 | if (emacs_priority) |
5aa7f46a | 570 | nice (emacs_priority); |
f927c5ae | 571 | setuid (getuid ()); |
a422068f | 572 | #endif /* SET_EMACS_PRIORITY */ |
f927c5ae | 573 | |
d8b3a65d | 574 | #ifdef EXTRA_INITIALIZE |
a9260219 | 575 | EXTRA_INITIALIZE; |
d8b3a65d RS |
576 | #endif |
577 | ||
f927c5ae JB |
578 | inhibit_window_system = 0; |
579 | ||
4fc0b45b | 580 | /* Handle the -t switch, which specifies filename to use as terminal */ |
e2925360 KH |
581 | { |
582 | char *term; | |
df6530f8 | 583 | if (argmatch (argv, argc, "-t", "--terminal", 4, &term, &skip_args)) |
e2925360 KH |
584 | { |
585 | int result; | |
586 | close (0); | |
587 | close (1); | |
588 | result = open (term, O_RDWR, 2 ); | |
589 | if (result < 0) | |
590 | { | |
591 | char *errstring = strerror (errno); | |
592 | fprintf (stderr, "emacs: %s: %s\n", term, errstring); | |
593 | exit (1); | |
594 | } | |
595 | dup (0); | |
596 | if (! isatty (0)) | |
597 | { | |
598 | fprintf (stderr, "emacs: %s: not a tty\n", term); | |
599 | exit (1); | |
600 | } | |
601 | fprintf (stderr, "Using %s\n", term); | |
8ba50e1a | 602 | #ifdef HAVE_WINDOW_SYSTEM |
e2925360 | 603 | inhibit_window_system = 1; /* -t => -nw */ |
f927c5ae | 604 | #endif |
e2925360 KH |
605 | } |
606 | } | |
df6530f8 | 607 | if (argmatch (argv, argc, "-nw", "--no-windows", 6, NULL, &skip_args)) |
e2925360 | 608 | inhibit_window_system = 1; |
f927c5ae | 609 | |
e2925360 | 610 | /* Handle the -batch switch, which means don't do interactive display. */ |
f927c5ae | 611 | noninteractive = 0; |
df6530f8 | 612 | if (argmatch (argv, argc, "-batch", "--batch", 5, NULL, &skip_args)) |
e2925360 KH |
613 | noninteractive = 1; |
614 | ||
615 | /* Handle the --help option, which gives a usage message.. */ | |
df6530f8 | 616 | if (argmatch (argv, argc, "-help", "--help", 3, NULL, &skip_args)) |
f927c5ae | 617 | { |
e2925360 KH |
618 | printf ("\ |
619 | Usage: %s [-t term] [--terminal term] [-nw] [--no-windows] [--batch]\n\ | |
620 | [-q] [--no-init-file] [-u user] [--user user] [--debug-init]\n\ | |
afaa660f | 621 | [--version] [--no-site-file]\n\ |
e2925360 | 622 | [-f func] [--funcall func] [-l file] [--load file] [--insert file]\n\ |
f822bec6 RS |
623 | [+linenum] file-to-visit [--kill]\n\ |
624 | Report bugs to bug-gnu-emacs@prep.ai.mit.edu. First, please see\n\ | |
625 | the Bugs section of the Emacs manual or the file BUGS.", argv[0]); | |
e2925360 | 626 | exit (0); |
f927c5ae JB |
627 | } |
628 | ||
081bef73 RS |
629 | #ifdef HAVE_X_WINDOWS |
630 | /* Stupid kludge to catch command-line display spec. We can't | |
631 | handle this argument entirely in window system dependent code | |
632 | because we don't even know which window system dependent code | |
633 | to run until we've recognized this argument. */ | |
634 | { | |
98ea0308 | 635 | char *displayname = 0; |
081bef73 RS |
636 | int i; |
637 | int count_before = skip_args; | |
638 | ||
df6530f8 | 639 | if (argmatch (argv, argc, "-d", "--display", 3, &displayname, &skip_args)) |
081bef73 | 640 | display_arg = 1; |
df6530f8 | 641 | else if (argmatch (argv, argc, "-display", 0, 3, &displayname, &skip_args)) |
081bef73 RS |
642 | display_arg = 1; |
643 | ||
644 | /* If we have the form --display=NAME, | |
645 | convert it into -d name. | |
646 | This requires inserting a new element into argv. */ | |
647 | if (displayname != 0 && skip_args - count_before == 1) | |
648 | { | |
649 | char **new = (char **) xmalloc (sizeof (char *) * (argc + 2)); | |
650 | int j; | |
651 | ||
652 | for (j = 0; j < count_before + 1; j++) | |
653 | new[j] = argv[j]; | |
654 | new[count_before + 1] = "-d"; | |
655 | new[count_before + 2] = displayname; | |
656 | for (j = count_before + 2; j <argc; j++) | |
657 | new[j + 1] = argv[j]; | |
658 | argv = new; | |
659 | argc++; | |
660 | } | |
1702afef RS |
661 | /* Change --display to -d, when its arg is separate. */ |
662 | else if (displayname != 0 && skip_args > count_before | |
663 | && argv[count_before + 1][1] == '-') | |
813f79d5 | 664 | argv[count_before + 1] = "-d"; |
081bef73 RS |
665 | |
666 | /* Don't actually discard this arg. */ | |
667 | skip_args = count_before; | |
668 | } | |
669 | #endif | |
670 | ||
edb85f59 RS |
671 | if (! noninteractive) |
672 | { | |
673 | #ifdef BSD_PGRPS | |
674 | if (initialized) | |
675 | { | |
676 | inherited_pgroup = EMACS_GETPGRP (0); | |
677 | setpgrp (0, getpid ()); | |
678 | } | |
679 | #else | |
680 | #if defined (USG5) && defined (INTERRUPT_INPUT) | |
681 | setpgrp (); | |
682 | #endif | |
683 | #endif | |
684 | } | |
685 | ||
fb8e9847 JB |
686 | #ifdef POSIX_SIGNALS |
687 | init_signals (); | |
688 | #endif | |
689 | ||
1efa2983 KH |
690 | /* Don't catch SIGHUP if dumping. */ |
691 | if (1 | |
692 | #ifndef CANNOT_DUMP | |
693 | && initialized | |
694 | #endif | |
695 | ) | |
696 | { | |
57e3d22a | 697 | sigblock (sigmask (SIGHUP)); |
1efa2983 KH |
698 | /* In --batch mode, don't catch SIGHUP if already ignored. |
699 | That makes nohup work. */ | |
700 | if (! noninteractive | |
701 | || signal (SIGHUP, SIG_IGN) != SIG_IGN) | |
702 | signal (SIGHUP, fatal_error_signal); | |
57e3d22a | 703 | sigunblock (sigmask (SIGHUP)); |
1efa2983 KH |
704 | } |
705 | ||
f927c5ae JB |
706 | if ( |
707 | #ifndef CANNOT_DUMP | |
708 | ! noninteractive || initialized | |
709 | #else | |
710 | 1 | |
711 | #endif | |
712 | ) | |
713 | { | |
1efa2983 | 714 | /* Don't catch these signals in batch mode if dumping. |
f927c5ae JB |
715 | On some machines, this sets static data that would make |
716 | signal fail to work right when the dumped Emacs is run. */ | |
f927c5ae JB |
717 | signal (SIGQUIT, fatal_error_signal); |
718 | signal (SIGILL, fatal_error_signal); | |
719 | signal (SIGTRAP, fatal_error_signal); | |
99e372cd RS |
720 | #ifdef SIGABRT |
721 | signal (SIGABRT, fatal_error_signal); | |
722 | #endif | |
723 | #ifdef SIGHWE | |
724 | signal (SIGHWE, fatal_error_signal); | |
725 | #endif | |
726 | #ifdef SIGPRE | |
727 | signal (SIGPRE, fatal_error_signal); | |
728 | #endif | |
729 | #ifdef SIGORE | |
730 | signal (SIGORE, fatal_error_signal); | |
731 | #endif | |
732 | #ifdef SIGUME | |
733 | signal (SIGUME, fatal_error_signal); | |
734 | #endif | |
735 | #ifdef SIGDLK | |
736 | signal (SIGDLK, fatal_error_signal); | |
737 | #endif | |
738 | #ifdef SIGCPULIM | |
739 | signal (SIGCPULIM, fatal_error_signal); | |
740 | #endif | |
a90538cb JB |
741 | #ifdef SIGIOT |
742 | /* This is missing on some systems - OS/2, for example. */ | |
f927c5ae | 743 | signal (SIGIOT, fatal_error_signal); |
a90538cb | 744 | #endif |
f927c5ae JB |
745 | #ifdef SIGEMT |
746 | signal (SIGEMT, fatal_error_signal); | |
747 | #endif | |
748 | signal (SIGFPE, fatal_error_signal); | |
00eaaa32 | 749 | #ifdef SIGBUS |
f927c5ae | 750 | signal (SIGBUS, fatal_error_signal); |
00eaaa32 | 751 | #endif |
f927c5ae | 752 | signal (SIGSEGV, fatal_error_signal); |
00eaaa32 | 753 | #ifdef SIGSYS |
f927c5ae | 754 | signal (SIGSYS, fatal_error_signal); |
00eaaa32 | 755 | #endif |
f927c5ae JB |
756 | signal (SIGTERM, fatal_error_signal); |
757 | #ifdef SIGXCPU | |
758 | signal (SIGXCPU, fatal_error_signal); | |
759 | #endif | |
760 | #ifdef SIGXFSZ | |
761 | signal (SIGXFSZ, fatal_error_signal); | |
762 | #endif /* SIGXFSZ */ | |
763 | ||
271c7b7c RS |
764 | #ifdef SIGDANGER |
765 | /* This just means available memory is getting low. */ | |
766 | signal (SIGDANGER, memory_warning_signal); | |
767 | #endif | |
768 | ||
f927c5ae | 769 | #ifdef AIX |
56e034fa RS |
770 | /* 20 is SIGCHLD, 21 is SIGTTIN, 22 is SIGTTOU. */ |
771 | signal (SIGXCPU, fatal_error_signal); | |
0aef8561 | 772 | #ifndef _I386 |
f927c5ae | 773 | signal (SIGIOINT, fatal_error_signal); |
0aef8561 | 774 | #endif |
f927c5ae JB |
775 | signal (SIGGRANT, fatal_error_signal); |
776 | signal (SIGRETRACT, fatal_error_signal); | |
777 | signal (SIGSOUND, fatal_error_signal); | |
778 | signal (SIGMSG, fatal_error_signal); | |
779 | #endif /* AIX */ | |
780 | } | |
781 | ||
782 | noninteractive1 = noninteractive; | |
783 | ||
784 | /* Perform basic initializations (not merely interning symbols) */ | |
785 | ||
786 | if (!initialized) | |
787 | { | |
788 | init_alloc_once (); | |
789 | init_obarray (); | |
790 | init_eval_once (); | |
791 | init_syntax_once (); /* Create standard syntax table. */ | |
792 | /* Must be done before init_buffer */ | |
793 | init_casetab_once (); | |
794 | init_buffer_once (); /* Create buffer table and some buffers */ | |
795 | init_minibuf_once (); /* Create list of minibuffers */ | |
796 | /* Must precede init_window_once */ | |
797 | init_window_once (); /* Init the window system */ | |
798 | } | |
799 | ||
800 | init_alloc (); | |
f927c5ae JB |
801 | init_eval (); |
802 | init_data (); | |
7074fde6 | 803 | running_asynch_code = 0; |
0e956009 | 804 | |
29b89fe0 RS |
805 | #ifdef MSDOS |
806 | /* Call early 'cause init_environment needs it. */ | |
807 | init_dosfns (); | |
808 | /* Set defaults for several environment variables. */ | |
18198bb2 RS |
809 | if (initialized) |
810 | init_environment (argc, argv, skip_args); | |
811 | else | |
d1fc6752 | 812 | tzset (); |
18198bb2 | 813 | #endif /* MSDOS */ |
29b89fe0 | 814 | |
8ba50e1a GV |
815 | #ifdef WINDOWSNT |
816 | /* Initialize environment from registry settings. */ | |
817 | init_environment (); | |
41f339d4 | 818 | init_ntproc (); /* must precede init_editfns */ |
8ba50e1a GV |
819 | #endif |
820 | ||
0e956009 JB |
821 | /* egetenv is a pretty low-level facility, which may get called in |
822 | many circumstances; it seems flimsy to put off initializing it | |
823 | until calling init_callproc. */ | |
824 | set_process_environment (); | |
93aed04d RS |
825 | /* AIX crashes are reported in system versions 3.2.3 and 3.2.4 |
826 | if this is not done. Do it after set_process_environment so that we | |
827 | don't pollute Vprocess_environment. */ | |
828 | #ifdef AIX | |
829 | putenv ("LANG=C"); | |
830 | #endif | |
0e956009 | 831 | |
ace40a69 RS |
832 | init_buffer (); /* Init default directory of main buffer */ |
833 | ||
7928f0b5 | 834 | init_callproc_1 (); /* Must precede init_cmdargs and init_sys_modes. */ |
ace40a69 | 835 | init_cmdargs (argc, argv, skip_args); /* Must precede init_lread. */ |
7928f0b5 | 836 | init_callproc (); /* Must follow init_cmdargs but not init_sys_modes. */ |
fb8e9847 | 837 | init_lread (); |
f927c5ae | 838 | |
f927c5ae JB |
839 | if (!noninteractive) |
840 | { | |
841 | #ifdef VMS | |
1cbd5d9d | 842 | init_vms_input ();/* init_display calls get_frame_size, that needs this */ |
f927c5ae JB |
843 | #endif /* VMS */ |
844 | init_display (); /* Determine terminal type. init_sys_modes uses results */ | |
845 | } | |
846 | init_keyboard (); /* This too must precede init_sys_modes */ | |
f927c5ae JB |
847 | #ifdef VMS |
848 | init_vmsproc (); /* And this too. */ | |
849 | #endif /* VMS */ | |
850 | init_sys_modes (); /* Init system terminal modes (RAW or CBREAK, etc.) */ | |
851 | init_xdisp (); | |
852 | init_macros (); | |
853 | init_editfns (); | |
854 | #ifdef LISP_FLOAT_TYPE | |
855 | init_floatfns (); | |
856 | #endif | |
857 | #ifdef VMS | |
858 | init_vmsfns (); | |
859 | #endif /* VMS */ | |
f927c5ae | 860 | init_process (); |
32676c08 JB |
861 | #ifdef CLASH_DETECTION |
862 | init_filelock (); | |
863 | #endif /* CLASH_DETECTION */ | |
f927c5ae JB |
864 | |
865 | /* Intern the names of all standard functions and variables; define standard keys */ | |
866 | ||
867 | if (!initialized) | |
868 | { | |
869 | /* The basic levels of Lisp must come first */ | |
870 | /* And data must come first of all | |
871 | for the sake of symbols like error-message */ | |
872 | syms_of_data (); | |
873 | syms_of_alloc (); | |
fb8e9847 | 874 | syms_of_lread (); |
f927c5ae JB |
875 | syms_of_print (); |
876 | syms_of_eval (); | |
877 | syms_of_fns (); | |
f927c5ae | 878 | syms_of_floatfns (); |
f927c5ae JB |
879 | |
880 | syms_of_abbrev (); | |
881 | syms_of_buffer (); | |
882 | syms_of_bytecode (); | |
883 | syms_of_callint (); | |
884 | syms_of_casefiddle (); | |
885 | syms_of_casetab (); | |
886 | syms_of_callproc (); | |
887 | syms_of_cmds (); | |
888 | #ifndef NO_DIR_LIBRARY | |
889 | syms_of_dired (); | |
890 | #endif /* not NO_DIR_LIBRARY */ | |
891 | syms_of_display (); | |
892 | syms_of_doc (); | |
893 | syms_of_editfns (); | |
894 | syms_of_emacs (); | |
895 | syms_of_fileio (); | |
896 | #ifdef CLASH_DETECTION | |
897 | syms_of_filelock (); | |
898 | #endif /* CLASH_DETECTION */ | |
899 | syms_of_indent (); | |
900 | syms_of_keyboard (); | |
901 | syms_of_keymap (); | |
902 | syms_of_macros (); | |
903 | syms_of_marker (); | |
904 | syms_of_minibuf (); | |
905 | syms_of_mocklisp (); | |
f927c5ae | 906 | syms_of_process (); |
f927c5ae | 907 | syms_of_search (); |
1cbd5d9d | 908 | syms_of_frame (); |
f927c5ae | 909 | syms_of_syntax (); |
0d934e7b | 910 | syms_of_term (); |
f927c5ae | 911 | syms_of_undo (); |
bef79ee4 JA |
912 | |
913 | /* Only defined if Emacs is compiled with USE_TEXT_PROPERTIES */ | |
914 | syms_of_textprop (); | |
f927c5ae JB |
915 | #ifdef VMS |
916 | syms_of_vmsproc (); | |
917 | #endif /* VMS */ | |
05687c54 RS |
918 | #ifdef WINDOWSNT |
919 | syms_of_ntproc (); | |
920 | #endif /* WINDOWSNT */ | |
f927c5ae JB |
921 | syms_of_window (); |
922 | syms_of_xdisp (); | |
923 | #ifdef HAVE_X_WINDOWS | |
72412588 | 924 | syms_of_xterm (); |
f927c5ae | 925 | syms_of_xfns (); |
9c3f23b7 | 926 | syms_of_xfaces (); |
72412588 JB |
927 | #ifdef HAVE_X11 |
928 | syms_of_xselect (); | |
929 | #endif | |
f927c5ae JB |
930 | #endif /* HAVE_X_WINDOWS */ |
931 | ||
87485d6f MW |
932 | #if defined (MSDOS) && !defined (HAVE_X_WINDOWS) |
933 | syms_of_xfaces (); | |
87485d6f MW |
934 | #endif |
935 | ||
1e9c210b | 936 | #ifndef HAVE_NTGUI |
6c850f3c | 937 | syms_of_xmenu (); |
1e9c210b | 938 | #endif |
6c850f3c | 939 | |
8ba50e1a GV |
940 | #ifdef HAVE_NTGUI |
941 | syms_of_win32term (); | |
942 | syms_of_win32fns (); | |
943 | syms_of_win32faces (); | |
944 | syms_of_win32select (); | |
945 | syms_of_win32menu (); | |
946 | #endif /* HAVE_NTGUI */ | |
947 | ||
f927c5ae JB |
948 | #ifdef SYMS_SYSTEM |
949 | SYMS_SYSTEM; | |
950 | #endif | |
951 | ||
952 | #ifdef SYMS_MACHINE | |
953 | SYMS_MACHINE; | |
954 | #endif | |
955 | ||
956 | keys_of_casefiddle (); | |
957 | keys_of_cmds (); | |
958 | keys_of_buffer (); | |
959 | keys_of_keyboard (); | |
960 | keys_of_keymap (); | |
961 | keys_of_macros (); | |
962 | keys_of_minibuf (); | |
963 | keys_of_window (); | |
5e67fbc2 | 964 | keys_of_frame (); |
f927c5ae JB |
965 | } |
966 | ||
967 | if (!initialized) | |
968 | { | |
e2925360 | 969 | char *file; |
f927c5ae | 970 | /* Handle -l loadup-and-dump, args passed by Makefile. */ |
df6530f8 | 971 | if (argmatch (argv, argc, "-l", "--load", 3, &file, &skip_args)) |
f927c5ae | 972 | Vtop_level = Fcons (intern ("load"), |
e2925360 | 973 | Fcons (build_string (file), Qnil)); |
f927c5ae JB |
974 | #ifdef CANNOT_DUMP |
975 | /* Unless next switch is -nl, load "loadup.el" first thing. */ | |
df6530f8 | 976 | if (!argmatch (argv, argc, "-nl", "--no-loadup", 6, NULL, &skip_args)) |
f927c5ae JB |
977 | Vtop_level = Fcons (intern ("load"), |
978 | Fcons (build_string ("loadup.el"), Qnil)); | |
979 | #endif /* CANNOT_DUMP */ | |
980 | } | |
981 | ||
93572b43 KH |
982 | if (initialized) |
983 | { | |
984 | /* Erase any pre-dump messages in the message log, to avoid confusion */ | |
985 | Lisp_Object old_log_max; | |
986 | old_log_max = Vmessage_log_max; | |
987 | XSETFASTINT (Vmessage_log_max, 0); | |
988 | message_dolog ("", 0, 1); | |
989 | Vmessage_log_max = old_log_max; | |
0269dedb RS |
990 | |
991 | #ifdef HAVE_TZSET | |
992 | { | |
993 | /* If the execution TZ happens to be the same as the dump TZ, | |
994 | change it to some other value and then change it back, | |
995 | to force the underlying implementation to reload the TZ info. | |
996 | This is needed on implementations that load TZ info from files, | |
997 | since the TZ file contents may differ between dump and execution. */ | |
998 | char *tz = getenv ("TZ"); | |
999 | if (tz && !strcmp (tz, dump_tz)) | |
1000 | { | |
1001 | ++*tz; | |
1002 | tzset (); | |
1003 | --*tz; | |
1004 | } | |
1005 | } | |
1006 | #endif | |
93572b43 KH |
1007 | } |
1008 | ||
f927c5ae JB |
1009 | initialized = 1; |
1010 | ||
e7536cff RS |
1011 | #ifdef LOCALTIME_CACHE |
1012 | /* Some versions of localtime have a bug. They cache the value of the time | |
279cc2b8 JB |
1013 | zone rather than looking it up every time. Since localtime() is |
1014 | called to bolt the undumping time into the undumped emacs, this | |
afe9fae9 RS |
1015 | results in localtime ignoring the TZ environment variable. |
1016 | This flushes the new TZ value into localtime. */ | |
1017 | tzset (); | |
e7536cff | 1018 | #endif /* defined (LOCALTIME_CACHE) */ |
279cc2b8 | 1019 | |
f927c5ae JB |
1020 | /* Enter editor command loop. This never returns. */ |
1021 | Frecursive_edit (); | |
1022 | /* NOTREACHED */ | |
1023 | } | |
1024 | \f | |
081bef73 RS |
1025 | /* Sort the args so we can find the most important ones |
1026 | at the beginning of argv. */ | |
1027 | ||
1028 | /* First, here's a table of all the standard options. */ | |
1029 | ||
1030 | struct standard_args | |
1031 | { | |
1032 | char *name; | |
1033 | char *longname; | |
1034 | int priority; | |
1035 | int nargs; | |
1036 | }; | |
1037 | ||
1038 | struct standard_args standard_args[] = | |
1039 | { | |
221cbd7d RS |
1040 | { "-version", "--version", 110, 0 }, |
1041 | { "-help", "--help", 110, 0 }, | |
081bef73 | 1042 | { "-nl", "--no-shared-memory", 100, 0 }, |
2725719a | 1043 | #ifdef VMS |
081bef73 | 1044 | { "-map", "--map-data", 100, 0 }, |
2725719a | 1045 | #endif |
081bef73 RS |
1046 | { "-t", "--terminal", 90, 1 }, |
1047 | { "-d", "--display", 80, 1 }, | |
1048 | { "-display", 0, 80, 1 }, | |
1049 | { "-nw", "--no-windows", 70, 0 }, | |
1050 | { "-batch", "--batch", 60, 0 }, | |
1051 | { "-q", "--no-init-file", 50, 0 }, | |
1052 | { "-no-init-file", 0, 50, 0 }, | |
1053 | { "-no-site-file", "--no-site-file", 40, 0 }, | |
1054 | { "-u", "--user", 30, 1 }, | |
1055 | { "-user", 0, 30, 1 }, | |
1056 | { "-debug-init", "--debug-init", 20, 0 }, | |
adab4483 KH |
1057 | { "-i", "--icon-type", 15, 0 }, |
1058 | { "-itype", 0, 15, 0 }, | |
f2bc3538 | 1059 | { "-iconic", "--iconic", 15, 0 }, |
081bef73 RS |
1060 | { "-bg", "--background-color", 10, 1 }, |
1061 | { "-background", 0, 10, 1 }, | |
1062 | { "-fg", "--foreground-color", 10, 1 }, | |
1063 | { "-foreground", 0, 10, 1 }, | |
1064 | { "-bd", "--border-color", 10, 1 }, | |
1065 | { "-bw", "--border-width", 10, 1 }, | |
1066 | { "-ib", "--internal-border", 10, 1 }, | |
1067 | { "-ms", "--mouse-color", 10, 1 }, | |
1068 | { "-cr", "--cursor-color", 10, 1 }, | |
1069 | { "-fn", "--font", 10, 1 }, | |
1070 | { "-font", 0, 10, 1 }, | |
1071 | { "-g", "--geometry", 10, 1 }, | |
1072 | { "-geometry", 0, 10, 1 }, | |
1073 | { "-T", "--title", 10, 1 }, | |
ae63ae52 | 1074 | { "-title", 0, 10, 1 }, |
081bef73 RS |
1075 | { "-name", "--name", 10, 1 }, |
1076 | { "-xrm", "--xrm", 10, 1 }, | |
fcdeb5d9 RS |
1077 | { "-r", "--reverse-video", 5, 0 }, |
1078 | { "-rv", 0, 5, 0 }, | |
1079 | { "-reverse", 0, 5, 0 }, | |
ae63ae52 | 1080 | { "-hb", "--horizontal-scroll-bars", 5, 0 }, |
fcdeb5d9 | 1081 | { "-vb", "--vertical-scroll-bars", 5, 0 }, |
fcdeb5d9 RS |
1082 | /* These have the same priority as ordinary file name args, |
1083 | so they are not reordered with respect to those. */ | |
4af9e0b3 RS |
1084 | { "-L", "--directory", 0, 1 }, |
1085 | { "-directory", 0, 0, 1 }, | |
fcdeb5d9 RS |
1086 | { "-l", "--load", 0, 1 }, |
1087 | { "-load", 0, 0, 1 }, | |
1088 | { "-f", "--funcall", 0, 1 }, | |
1089 | { "-funcall", 0, 0, 1 }, | |
575985b1 | 1090 | { "-eval", "--eval", 0, 1 }, |
fcdeb5d9 | 1091 | { "-insert", "--insert", 0, 1 }, |
f2bc3538 | 1092 | /* This should be processed after ordinary file name args and the like. */ |
fcdeb5d9 | 1093 | { "-kill", "--kill", -10, 0 }, |
081bef73 RS |
1094 | }; |
1095 | ||
1096 | /* Reorder the elements of ARGV (assumed to have ARGC elements) | |
1097 | so that the highest priority ones come first. | |
1098 | Do not change the order of elements of equal priority. | |
1099 | If an option takes an argument, keep it and its argument together. */ | |
1100 | ||
1101 | static void | |
1102 | sort_args (argc, argv) | |
1103 | int argc; | |
1104 | char **argv; | |
1105 | { | |
1106 | char **new = (char **) xmalloc (sizeof (char *) * argc); | |
1107 | /* For each element of argv, | |
1108 | the corresponding element of options is: | |
1109 | 0 for an option that takes no arguments, | |
1110 | 1 for an option that takes one argument, etc. | |
1111 | -1 for an ordinary non-option argument. */ | |
6dad9359 | 1112 | int *options = (int *) xmalloc (sizeof (int) * argc); |
081bef73 RS |
1113 | int *priority = (int *) xmalloc (sizeof (int) * argc); |
1114 | int to = 1; | |
1115 | int from; | |
1116 | int i; | |
c96f26f4 | 1117 | int end_of_options = argc; |
081bef73 RS |
1118 | |
1119 | /* Categorize all the options, | |
1120 | and figure out which argv elts are option arguments. */ | |
1121 | for (from = 1; from < argc; from++) | |
1122 | { | |
1123 | options[from] = -1; | |
fcdeb5d9 | 1124 | priority[from] = 0; |
081bef73 RS |
1125 | if (argv[from][0] == '-') |
1126 | { | |
1127 | int match, thislen; | |
1128 | char *equals; | |
1129 | ||
c96f26f4 RS |
1130 | /* If we have found "--", don't consider |
1131 | any more arguments as options. */ | |
1132 | if (argv[from][1] == '-') | |
1133 | { | |
1134 | /* Leave the "--", and everything following it, at the end. */ | |
1135 | for (; from < argc; from++) | |
1136 | { | |
1137 | priority[from] = -100; | |
1138 | options[from] = -1; | |
1139 | } | |
1140 | break; | |
1141 | } | |
1142 | ||
081bef73 RS |
1143 | /* Look for a match with a known old-fashioned option. */ |
1144 | for (i = 0; i < sizeof (standard_args) / sizeof (standard_args[0]); i++) | |
1145 | if (!strcmp (argv[from], standard_args[i].name)) | |
1146 | { | |
1147 | options[from] = standard_args[i].nargs; | |
1148 | priority[from] = standard_args[i].priority; | |
fd76ec52 RS |
1149 | if (from + standard_args[i].nargs >= argc) |
1150 | fatal ("Option `%s' requires an argument\n", argv[from]); | |
081bef73 RS |
1151 | from += standard_args[i].nargs; |
1152 | goto done; | |
1153 | } | |
1154 | ||
1155 | /* Look for a match with a known long option. | |
1156 | MATCH is -1 if no match so far, -2 if two or more matches so far, | |
1157 | >= 0 (the table index of the match) if just one match so far. */ | |
1158 | if (argv[from][1] == '-') | |
1159 | { | |
1160 | match = -1; | |
1161 | thislen = strlen (argv[from]); | |
1162 | equals = index (argv[from], '='); | |
1163 | if (equals != 0) | |
1164 | thislen = equals - argv[from]; | |
1165 | ||
f609ef57 KH |
1166 | for (i = 0; |
1167 | i < sizeof (standard_args) / sizeof (standard_args[0]); i++) | |
1168 | if (standard_args[i].longname | |
1169 | && !strncmp (argv[from], standard_args[i].longname, | |
1170 | thislen)) | |
081bef73 RS |
1171 | { |
1172 | if (match == -1) | |
1173 | match = i; | |
1174 | else | |
1175 | match = -2; | |
1176 | } | |
1177 | ||
1178 | /* If we found exactly one match, use that. */ | |
1179 | if (match >= 0) | |
1180 | { | |
1181 | options[from] = standard_args[match].nargs; | |
1182 | priority[from] = standard_args[match].priority; | |
1183 | /* If --OPTION=VALUE syntax is used, | |
1184 | this option uses just one argv element. */ | |
1185 | if (equals != 0) | |
1186 | options[from] = 0; | |
fd76ec52 RS |
1187 | if (from + options[from] >= argc) |
1188 | fatal ("Option `%s' requires an argument\n", argv[from]); | |
081bef73 RS |
1189 | from += options[from]; |
1190 | } | |
1191 | } | |
1192 | done: ; | |
1193 | } | |
1194 | } | |
1195 | ||
1196 | /* Copy the arguments, in order of decreasing priority, to NEW. */ | |
1197 | new[0] = argv[0]; | |
1198 | while (to < argc) | |
1199 | { | |
1200 | int best = -1; | |
2c70c992 | 1201 | int best_priority = -9999; |
081bef73 RS |
1202 | |
1203 | /* Find the highest priority remaining option. | |
1204 | If several have equal priority, take the first of them. */ | |
1205 | for (from = 1; from < argc; from++) | |
1206 | { | |
1207 | if (argv[from] != 0 && priority[from] > best_priority) | |
1208 | { | |
1209 | best_priority = priority[from]; | |
1210 | best = from; | |
1211 | } | |
1212 | /* Skip option arguments--they are tied to the options. */ | |
1213 | if (options[from] > 0) | |
1214 | from += options[from]; | |
1215 | } | |
1216 | ||
1217 | if (best < 0) | |
1218 | abort (); | |
1219 | ||
1220 | /* Copy the highest priority remaining option, with its args, to NEW. */ | |
1221 | new[to++] = argv[best]; | |
1222 | for (i = 0; i < options[best]; i++) | |
1223 | new[to++] = argv[best + i + 1]; | |
1224 | ||
1225 | /* Clear out this option in ARGV. */ | |
1226 | argv[best] = 0; | |
1227 | for (i = 0; i < options[best]; i++) | |
1228 | argv[best + i + 1] = 0; | |
1229 | } | |
1230 | ||
6dad9359 | 1231 | bcopy (new, argv, sizeof (char *) * argc); |
081bef73 RS |
1232 | } |
1233 | \f | |
f927c5ae | 1234 | DEFUN ("kill-emacs", Fkill_emacs, Skill_emacs, 0, 1, "P", |
edc8ae07 | 1235 | "Exit the Emacs job and kill it.\n\ |
f927c5ae JB |
1236 | If ARG is an integer, return ARG as the exit program code.\n\ |
1237 | If ARG is a string, stuff it as keyboard input.\n\n\ | |
1238 | The value of `kill-emacs-hook', if not void,\n\ | |
1239 | is a list of functions (of no args),\n\ | |
1240 | all of which are called before Emacs is actually killed.") | |
1241 | (arg) | |
1242 | Lisp_Object arg; | |
1243 | { | |
1244 | Lisp_Object hook, hook1; | |
1245 | int i; | |
1246 | struct gcpro gcpro1; | |
1247 | ||
1248 | GCPRO1 (arg); | |
1249 | ||
1250 | if (feof (stdin)) | |
1251 | arg = Qt; | |
1252 | ||
2447c626 | 1253 | if (!NILP (Vrun_hooks) && !noninteractive) |
f927c5ae JB |
1254 | call1 (Vrun_hooks, intern ("kill-emacs-hook")); |
1255 | ||
f927c5ae JB |
1256 | UNGCPRO; |
1257 | ||
1258 | /* Is it really necessary to do this deassign | |
1259 | when we are going to exit anyway? */ | |
1260 | /* #ifdef VMS | |
1261 | stop_vms_input (); | |
1262 | #endif */ | |
40be253a | 1263 | |
d0068e25 | 1264 | shut_down_emacs (0, 0, STRINGP (arg) ? arg : Qnil); |
40be253a | 1265 | |
58545838 KH |
1266 | /* If we have an auto-save list file, |
1267 | kill it because we are exiting Emacs deliberately (not crashing). | |
1268 | Do it after shut_down_emacs, which does an auto-save. */ | |
1269 | if (STRINGP (Vauto_save_list_file_name)) | |
1270 | unlink (XSTRING (Vauto_save_list_file_name)->data); | |
1271 | ||
55ccc0b3 | 1272 | exit (INTEGERP (arg) ? XINT (arg) |
f927c5ae JB |
1273 | #ifdef VMS |
1274 | : 1 | |
1275 | #else | |
1276 | : 0 | |
1277 | #endif | |
1278 | ); | |
1279 | /* NOTREACHED */ | |
1280 | } | |
40be253a JB |
1281 | |
1282 | ||
1283 | /* Perform an orderly shutdown of Emacs. Autosave any modified | |
1284 | buffers, kill any child processes, clean up the terminal modes (if | |
1285 | we're in the foreground), and other stuff like that. Don't perform | |
1286 | any redisplay; this may be called when Emacs is shutting down in | |
1287 | the background, or after its X connection has died. | |
1288 | ||
1289 | If SIG is a signal number, print a message for it. | |
1290 | ||
1291 | This is called by fatal signal handlers, X protocol error handlers, | |
1292 | and Fkill_emacs. */ | |
f7ab4e3d | 1293 | |
40be253a | 1294 | void |
f7ab4e3d | 1295 | shut_down_emacs (sig, no_x, stuff) |
41423a80 | 1296 | int sig, no_x; |
f7ab4e3d | 1297 | Lisp_Object stuff; |
40be253a | 1298 | { |
829d872b RS |
1299 | /* Prevent running of hooks from now on. */ |
1300 | Vrun_hooks = Qnil; | |
1301 | ||
40be253a JB |
1302 | /* If we are controlling the terminal, reset terminal modes */ |
1303 | #ifdef EMACS_HAVE_TTY_PGRP | |
1304 | { | |
d04d81d2 RS |
1305 | int pgrp = EMACS_GETPGRP (0); |
1306 | ||
40be253a JB |
1307 | int tpgrp; |
1308 | if (EMACS_GET_TTY_PGRP (0, &tpgrp) != -1 | |
5a570e37 | 1309 | && tpgrp == pgrp) |
40be253a JB |
1310 | { |
1311 | fflush (stdout); | |
1312 | reset_sys_modes (); | |
1313 | if (sig && sig != SIGTERM) | |
1314 | fprintf (stderr, "Fatal error (%d).", sig); | |
1315 | } | |
1316 | } | |
1317 | #else | |
1318 | fflush (stdout); | |
1319 | reset_sys_modes (); | |
1320 | #endif | |
1321 | ||
f7ab4e3d RS |
1322 | stuff_buffered_input (stuff); |
1323 | ||
40be253a JB |
1324 | kill_buffer_processes (Qnil); |
1325 | Fdo_auto_save (Qt, Qnil); | |
1326 | ||
1327 | #ifdef CLASH_DETECTION | |
1328 | unlock_all_files (); | |
1329 | #endif | |
1330 | ||
1331 | #ifdef VMS | |
1332 | kill_vms_processes (); | |
1333 | #endif | |
1334 | ||
5e7f8733 | 1335 | #if 0 /* This triggers a bug in XCloseDisplay and is not needed. */ |
41423a80 | 1336 | #ifdef HAVE_X_WINDOWS |
f7511647 RS |
1337 | /* It's not safe to call intern here. Maybe we are crashing. */ |
1338 | if (!noninteractive && SYMBOLP (Vwindow_system) | |
1339 | && XSYMBOL (Vwindow_system)->name->size == 1 | |
1340 | && XSYMBOL (Vwindow_system)->name->data[0] == 'x' | |
1341 | && ! no_x) | |
41423a80 RS |
1342 | Fx_close_current_connection (); |
1343 | #endif /* HAVE_X_WINDOWS */ | |
5e7f8733 | 1344 | #endif |
41423a80 | 1345 | |
40be253a JB |
1346 | #ifdef SIGIO |
1347 | /* There is a tendency for a SIGIO signal to arrive within exit, | |
1348 | and cause a SIGHUP because the input descriptor is already closed. */ | |
1349 | unrequest_sigio (); | |
1350 | signal (SIGIO, SIG_IGN); | |
1351 | #endif | |
41f339d4 RS |
1352 | |
1353 | #ifdef WINDOWSNT | |
1354 | term_ntproc (); | |
1355 | #endif | |
40be253a JB |
1356 | } |
1357 | ||
1358 | ||
f927c5ae JB |
1359 | \f |
1360 | #ifndef CANNOT_DUMP | |
f927c5ae JB |
1361 | |
1362 | #ifdef HAVE_SHM | |
1363 | ||
1364 | DEFUN ("dump-emacs-data", Fdump_emacs_data, Sdump_emacs_data, 1, 1, 0, | |
1365 | "Dump current state of Emacs into data file FILENAME.\n\ | |
1366 | This function exists on systems that use HAVE_SHM.") | |
c9aae259 EN |
1367 | (filename) |
1368 | Lisp_Object filename; | |
f927c5ae | 1369 | { |
55697f5b | 1370 | extern char my_edata[]; |
f927c5ae | 1371 | Lisp_Object tem; |
f927c5ae | 1372 | |
c9aae259 EN |
1373 | CHECK_STRING (filename, 0); |
1374 | filename = Fexpand_file_name (filename, Qnil); | |
f927c5ae JB |
1375 | |
1376 | tem = Vpurify_flag; | |
1377 | Vpurify_flag = Qnil; | |
1378 | ||
1379 | fflush (stdout); | |
1380 | /* Tell malloc where start of impure now is */ | |
1381 | /* Also arrange for warnings when nearly out of space. */ | |
1382 | #ifndef SYSTEM_MALLOC | |
1090a161 | 1383 | memory_warnings (my_edata, malloc_warning); |
f927c5ae | 1384 | #endif |
c9aae259 | 1385 | map_out_data (XSTRING (filename)->data); |
f927c5ae JB |
1386 | |
1387 | Vpurify_flag = tem; | |
1388 | ||
1389 | return Qnil; | |
1390 | } | |
1391 | ||
1392 | #else /* not HAVE_SHM */ | |
1393 | ||
1394 | DEFUN ("dump-emacs", Fdump_emacs, Sdump_emacs, 2, 2, 0, | |
1395 | "Dump current state of Emacs into executable file FILENAME.\n\ | |
1396 | Take symbols from SYMFILE (presumably the file you executed to run Emacs).\n\ | |
1397 | This is used in the file `loadup.el' when building Emacs.\n\ | |
1398 | \n\ | |
1399 | Bind `command-line-processed' to nil before dumping,\n\ | |
1400 | if you want the dumped Emacs to process its command line\n\ | |
1401 | and announce itself normally when it is run.") | |
c9aae259 EN |
1402 | (filename, symfile) |
1403 | Lisp_Object filename, symfile; | |
f927c5ae | 1404 | { |
55697f5b | 1405 | extern char my_edata[]; |
f927c5ae | 1406 | Lisp_Object tem; |
f927c5ae | 1407 | |
c9aae259 EN |
1408 | CHECK_STRING (filename, 0); |
1409 | filename = Fexpand_file_name (filename, Qnil); | |
1410 | if (!NILP (symfile)) | |
f927c5ae | 1411 | { |
c9aae259 EN |
1412 | CHECK_STRING (symfile, 0); |
1413 | if (XSTRING (symfile)->size) | |
1414 | symfile = Fexpand_file_name (symfile, Qnil); | |
f927c5ae JB |
1415 | } |
1416 | ||
1417 | tem = Vpurify_flag; | |
1418 | Vpurify_flag = Qnil; | |
1419 | ||
0269dedb RS |
1420 | #ifdef HAVE_TZSET |
1421 | set_time_zone_rule (dump_tz); | |
1422 | #ifndef LOCALTIME_CACHE | |
1423 | /* Force a tz reload, since set_time_zone_rule doesn't. */ | |
1424 | tzset (); | |
1425 | #endif | |
1426 | #endif | |
1427 | ||
f927c5ae JB |
1428 | fflush (stdout); |
1429 | #ifdef VMS | |
c9aae259 | 1430 | mapout_data (XSTRING (filename)->data); |
f927c5ae JB |
1431 | #else |
1432 | /* Tell malloc where start of impure now is */ | |
1433 | /* Also arrange for warnings when nearly out of space. */ | |
1434 | #ifndef SYSTEM_MALLOC | |
cc5f52cb RS |
1435 | #ifndef WINDOWSNT |
1436 | /* On Windows, this was done before dumping, and that once suffices. | |
1437 | Meanwhile, my_edata is not valid on Windows. */ | |
cb37cf78 | 1438 | memory_warnings (my_edata, malloc_warning); |
cc5f52cb | 1439 | #endif /* not WINDOWSNT */ |
f927c5ae | 1440 | #endif |
c9aae259 EN |
1441 | unexec (XSTRING (filename)->data, |
1442 | !NILP (symfile) ? XSTRING (symfile)->data : 0, my_edata, 0, 0); | |
f927c5ae JB |
1443 | #endif /* not VMS */ |
1444 | ||
1445 | Vpurify_flag = tem; | |
1446 | ||
1447 | return Qnil; | |
1448 | } | |
1449 | ||
1450 | #endif /* not HAVE_SHM */ | |
1451 | ||
1452 | #endif /* not CANNOT_DUMP */ | |
1453 | \f | |
4b163808 | 1454 | #ifndef SEPCHAR |
f927c5ae JB |
1455 | #define SEPCHAR ':' |
1456 | #endif | |
1457 | ||
1458 | Lisp_Object | |
1459 | decode_env_path (evarname, defalt) | |
1460 | char *evarname, *defalt; | |
1461 | { | |
1462 | register char *path, *p; | |
f927c5ae JB |
1463 | |
1464 | Lisp_Object lpath; | |
1465 | ||
2447c626 JB |
1466 | /* It's okay to use getenv here, because this function is only used |
1467 | to initialize variables when Emacs starts up, and isn't called | |
1468 | after that. */ | |
e065a56e JB |
1469 | if (evarname != 0) |
1470 | path = (char *) getenv (evarname); | |
1471 | else | |
1472 | path = 0; | |
f927c5ae JB |
1473 | if (!path) |
1474 | path = defalt; | |
1475 | lpath = Qnil; | |
1476 | while (1) | |
1477 | { | |
1478 | p = index (path, SEPCHAR); | |
1479 | if (!p) p = path + strlen (path); | |
d70fbcca RS |
1480 | lpath = Fcons (p - path ? make_string (path, p - path) |
1481 | : build_string ("."), | |
f927c5ae JB |
1482 | lpath); |
1483 | if (*p) | |
1484 | path = p + 1; | |
1485 | else | |
1486 | break; | |
1487 | } | |
1488 | return Fnreverse (lpath); | |
1489 | } | |
1490 | ||
1491 | syms_of_emacs () | |
1492 | { | |
83591e66 | 1493 | #ifndef CANNOT_DUMP |
f927c5ae JB |
1494 | #ifdef HAVE_SHM |
1495 | defsubr (&Sdump_emacs_data); | |
1496 | #else | |
1497 | defsubr (&Sdump_emacs); | |
83591e66 | 1498 | #endif |
f927c5ae JB |
1499 | #endif |
1500 | ||
1501 | defsubr (&Skill_emacs); | |
1502 | ||
59653951 | 1503 | defsubr (&Sinvocation_name); |
ace40a69 | 1504 | defsubr (&Sinvocation_directory); |
59653951 | 1505 | |
f927c5ae JB |
1506 | DEFVAR_LISP ("command-line-args", &Vcommand_line_args, |
1507 | "Args passed by shell to Emacs, as a list of strings."); | |
1508 | ||
1509 | DEFVAR_LISP ("system-type", &Vsystem_type, | |
1510 | "Value is symbol indicating type of operating system you are using."); | |
1511 | Vsystem_type = intern (SYSTEM_TYPE); | |
1512 | ||
271c7b7c RS |
1513 | DEFVAR_LISP ("system-configuration", &Vsystem_configuration, |
1514 | "Value is string indicating configuration Emacs was built for."); | |
f7511647 | 1515 | Vsystem_configuration = build_string (EMACS_CONFIGURATION); |
271c7b7c | 1516 | |
f0fc0b1a KH |
1517 | DEFVAR_LISP ("system-configuration-options", &Vsystem_configuration_options, |
1518 | "String containing the configuration options Emacs was built with."); | |
1519 | Vsystem_configuration_options = build_string (EMACS_CONFIG_OPTIONS); | |
1520 | ||
f927c5ae JB |
1521 | DEFVAR_BOOL ("noninteractive", &noninteractive1, |
1522 | "Non-nil means Emacs is running without interactive terminal."); | |
e5d77022 | 1523 | |
e5d77022 | 1524 | DEFVAR_LISP ("kill-emacs-hook", &Vkill_emacs_hook, |
edc8ae07 JB |
1525 | "Hook to be run whenever kill-emacs is called.\n\ |
1526 | Since kill-emacs may be invoked when the terminal is disconnected (or\n\ | |
1527 | in other similar situations), functions placed on this hook should not\n\ | |
9f232a5d RS |
1528 | expect to be able to interact with the user. To ask for confirmation,\n\ |
1529 | see `kill-emacs-query-functions' instead."); | |
edc8ae07 | 1530 | Vkill_emacs_hook = Qnil; |
3005da00 RS |
1531 | |
1532 | DEFVAR_INT ("emacs-priority", &emacs_priority, | |
1533 | "Priority for Emacs to run at.\n\ | |
1534 | This value is effective only if set before Emacs is dumped,\n\ | |
1535 | and only if the Emacs executable is installed with setuid to permit\n\ | |
621ecf99 | 1536 | it to change priority. (Emacs sets its uid back to the real uid.)\n\ |
a422068f | 1537 | Currently, you need to define SET_EMACS_PRIORITY in `config.h'\n\ |
ce305b11 | 1538 | before you compile Emacs, to enable the code for this feature."); |
3005da00 | 1539 | emacs_priority = 0; |
59653951 | 1540 | |
f67de86f RS |
1541 | DEFVAR_LISP ("invocation-name", &Vinvocation_name, |
1542 | "The program name that was used to run Emacs.\n\ | |
1543 | Any directory names are omitted."); | |
1544 | ||
1545 | DEFVAR_LISP ("invocation-directory", &Vinvocation_directory, | |
1546 | "The directory in which the Emacs executable was found, to run it.\n\ | |
1547 | The value is nil if that directory's name is not known."); | |
1548 | ||
1549 | DEFVAR_LISP ("installation-directory", &Vinstallation_directory, | |
1550 | "A directory within which to look for the `lib-src' and `etc' directories.\n\ | |
1551 | This is non-nil when we can't find those directories in their standard\n\ | |
1552 | installed locations, but we can find them\n\ | |
1553 | near where the Emacs executable was found."); | |
07f4d123 | 1554 | Vinstallation_directory = Qnil; |
f927c5ae | 1555 | } |