Commit | Line | Data |
---|---|---|
f927c5ae | 1 | /* Fully extensible Emacs, running on Unix, intended for GNU. |
bd6bc222 | 2 | |
11ee65af GM |
3 | Copyright (C) 1985-1987, 1993-1995, 1997-1999, 2001-2014 |
4 | Free Software Foundation, Inc. | |
f927c5ae JB |
5 | |
6 | This file is part of GNU Emacs. | |
7 | ||
9ec0b715 | 8 | GNU Emacs is free software: you can redistribute it and/or modify |
f927c5ae | 9 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
10 | the Free Software Foundation, either version 3 of the License, or |
11 | (at your option) any later version. | |
f927c5ae JB |
12 | |
13 | GNU Emacs is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 19 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
f927c5ae | 20 | |
00382e8b | 21 | #define INLINE EXTERN_INLINE |
68c45bf0 | 22 | #include <config.h> |
00382e8b | 23 | |
f927c5ae | 24 | #include <errno.h> |
f927c5ae JB |
25 | #include <stdio.h> |
26 | ||
27 | #include <sys/types.h> | |
28 | #include <sys/file.h> | |
cda4a5fd | 29 | #include <unistd.h> |
db5388bb | 30 | #include <libguile.h> |
cda4a5fd | 31 | |
7ccfb720 | 32 | #include <close-stream.h> |
01108e3f | 33 | |
bb9937df | 34 | #define MAIN_PROGRAM |
0898ca10 JB |
35 | #include "lisp.h" |
36 | ||
edd3ff1d JR |
37 | #ifdef WINDOWSNT |
38 | #include <fcntl.h> | |
1d442672 | 39 | #include <sys/socket.h> |
94ae1542 | 40 | #include <mbstring.h> |
52c7f9ee | 41 | #include "w32.h" |
0fda9b75 DC |
42 | #include "w32heap.h" |
43 | #endif | |
44 | ||
a9e7a9d5 | 45 | #if defined WINDOWSNT || defined HAVE_NTGUI |
0fda9b75 DC |
46 | #include "w32select.h" |
47 | #include "w32font.h" | |
1cf1bbd5 | 48 | #include "w32common.h" |
0fda9b75 DC |
49 | #endif |
50 | ||
3fc5e44a | 51 | #if defined CYGWIN |
0fda9b75 | 52 | #include "cygw32.h" |
edd3ff1d JR |
53 | #endif |
54 | ||
b3317662 FP |
55 | #ifdef HAVE_WINDOW_SYSTEM |
56 | #include TERM_HEADER | |
57 | #endif /* HAVE_WINDOW_SYSTEM */ | |
58 | ||
edfda783 AR |
59 | #ifdef NS_IMPL_GNUSTEP |
60 | /* At least under Debian, GSConfig is in a subdirectory. --Stef */ | |
61 | #include <GNUstepBase/GSConfig.h> | |
62 | #endif | |
63 | ||
f927c5ae | 64 | #include "commands.h" |
bef79ee4 | 65 | #include "intervals.h" |
e5560ff7 | 66 | #include "character.h" |
a08a816a | 67 | #include "buffer.h" |
3f6abfd7 | 68 | #include "window.h" |
f927c5ae | 69 | |
edc8ae07 | 70 | #include "systty.h" |
4d7e6e51 | 71 | #include "atimer.h" |
6c3a4e9d | 72 | #include "blockinput.h" |
8090eb09 | 73 | #include "syssignal.h" |
6c362a8b | 74 | #include "process.h" |
428a555e | 75 | #include "frame.h" |
5bda49c6 | 76 | #include "termhooks.h" |
dfcf069d | 77 | #include "keyboard.h" |
e35f6ff7 | 78 | #include "keymap.h" |
00382e8b PE |
79 | #include "category.h" |
80 | #include "charset.h" | |
81 | #include "composite.h" | |
82 | #include "dispextern.h" | |
83 | #include "syntax.h" | |
86caa902 | 84 | #include "sysselect.h" |
00382e8b | 85 | #include "systime.h" |
a41f8bed | 86 | |
8af55556 TZ |
87 | #ifdef HAVE_GNUTLS |
88 | #include "gnutls.h" | |
89 | #endif | |
90 | ||
9e4bf381 PE |
91 | #if (defined PROFILING \ |
92 | && (defined __FreeBSD__ || defined GNU_LINUX || defined __MINGW32__)) | |
93 | # include <sys/gmon.h> | |
94 | extern void moncontrol (int mode); | |
95 | #endif | |
96 | ||
68c45bf0 PE |
97 | #ifdef HAVE_SETLOCALE |
98 | #include <locale.h> | |
99 | #endif | |
100 | ||
53c58b5d RS |
101 | #ifdef HAVE_SETRLIMIT |
102 | #include <sys/time.h> | |
103 | #include <sys/resource.h> | |
104 | #endif | |
105 | ||
dede2792 JD |
106 | #ifdef HAVE_PERSONALITY_LINUX32 |
107 | #include <sys/personality.h> | |
108 | #endif | |
109 | ||
d23d13c0 | 110 | Lisp_Object symbol_module; |
1d59fbe3 | 111 | Lisp_Object function_module; |
29418031 | 112 | Lisp_Object plist_module; |
d23d13c0 | 113 | |
7b207d6d | 114 | static const char emacs_version[] = PACKAGE_VERSION; |
78f83752 | 115 | static const char emacs_copyright[] = COPYRIGHT; |
7b207d6d | 116 | static const char emacs_bugreport[] = PACKAGE_BUGREPORT; |
8c5ff6dd | 117 | |
7e9fa161 JB |
118 | /* Empty lisp strings. To avoid having to build any others. */ |
119 | Lisp_Object empty_unibyte_string, empty_multibyte_string; | |
f9a6326d | 120 | |
aa15c6bb JB |
121 | #ifdef WINDOWSNT |
122 | /* Cache for externally loaded libraries. */ | |
123 | Lisp_Object Vlibrary_cache; | |
124 | #endif | |
125 | ||
1882aa38 PE |
126 | /* Set after Emacs has started up the first time. |
127 | Prevents reinitialization of the Lisp world and keymaps | |
128 | on subsequent starts. */ | |
129 | bool initialized; | |
f927c5ae | 130 | |
f58269c4 DC |
131 | /* Set to true if this instance of Emacs might dump. */ |
132 | bool might_dump; | |
133 | ||
4393663b JD |
134 | #ifdef DARWIN_OS |
135 | extern void unexec_init_emacs_zone (void); | |
136 | #endif | |
137 | ||
15aaf1b5 RS |
138 | #ifdef DOUG_LEA_MALLOC |
139 | /* Preserves a pointer to the memory allocated that copies that | |
140 | static data inside glibc's malloc. */ | |
35f08c38 | 141 | static void *malloc_state_ptr; |
15aaf1b5 | 142 | /* From glibc, a routine that returns a copy of the malloc internal state. */ |
dd4c5104 | 143 | extern void *malloc_get_state (void); |
15aaf1b5 | 144 | /* From glibc, a routine that overwrites the malloc internal state. */ |
faa52174 | 145 | extern int malloc_set_state (void *); |
1882aa38 | 146 | /* True if the MALLOC_CHECK_ environment variable was set while |
7c9cd446 | 147 | dumping. Used to work around a bug in glibc's malloc. */ |
1882aa38 | 148 | static bool malloc_using_checking; |
8f43ce49 PE |
149 | #elif defined HAVE_PTHREAD && !defined SYSTEM_MALLOC |
150 | extern void malloc_enable_thread (void); | |
15aaf1b5 RS |
151 | #endif |
152 | ||
213d0b1f RS |
153 | Lisp_Object Qfile_name_handler_alist; |
154 | ||
9dc3366b GM |
155 | Lisp_Object Qrisky_local_variable; |
156 | ||
593a5f2e PE |
157 | Lisp_Object Qkill_emacs; |
158 | static Lisp_Object Qkill_emacs_hook; | |
6c07aac2 | 159 | |
1882aa38 | 160 | /* If true, Emacs should not attempt to use a window-specific code, |
7db35a48 | 161 | but instead should use the virtual terminal under which it was started. */ |
1882aa38 | 162 | bool inhibit_window_system; |
f927c5ae | 163 | |
1882aa38 | 164 | /* If true, a filter or a sentinel is running. Tested to save the match |
7db35a48 | 165 | data on the first attempt to change it inside asynchronous code. */ |
1882aa38 | 166 | bool running_asynch_code; |
7074fde6 | 167 | |
5e617bc2 | 168 | #if defined (HAVE_X_WINDOWS) || defined (HAVE_NS) |
1882aa38 PE |
169 | /* If true, -d was specified, meaning we're using some window system. */ |
170 | bool display_arg; | |
f927c5ae JB |
171 | #endif |
172 | ||
2949f33b | 173 | #if defined (DOUG_LEA_MALLOC) || defined (GNU_LINUX) |
dede2792 JD |
174 | /* The address where the heap starts (from the first sbrk (0) call). */ |
175 | static void *my_heap_start; | |
2949f33b | 176 | #endif |
dede2792 | 177 | |
b312a492 | 178 | #ifdef GNU_LINUX |
dede2792 | 179 | /* The gap between BSS end and heap start as far as we can tell. */ |
b312a492 PE |
180 | static uprintmax_t heap_bss_diff; |
181 | #endif | |
dede2792 | 182 | |
ce9f00e4 DC |
183 | /* To run as a daemon under Cocoa or Windows, we must do a fork+exec, |
184 | not a simple fork. | |
185 | ||
186 | On Cocoa, CoreFoundation lib fails in forked process: | |
187 | http://developer.apple.com/ReleaseNotes/ | |
188 | CoreFoundation/CoreFoundation.html) | |
189 | ||
190 | On Windows, a Cygwin fork child cannot access the USER subsystem. | |
191 | ||
192 | We mark being in the exec'd process by a daemon name argument of | |
193 | form "--daemon=\nFD0,FD1\nNAME" where FD are the pipe file descriptors, | |
194 | NAME is the original daemon name, if any. */ | |
a9e7a9d5 | 195 | #if defined NS_IMPL_COCOA || (defined HAVE_NTGUI && defined CYGWIN) |
ce9f00e4 DC |
196 | # define DAEMON_MUST_EXEC |
197 | #endif | |
198 | ||
1882aa38 PE |
199 | /* True means running Emacs without interactive terminal. */ |
200 | bool noninteractive; | |
f927c5ae | 201 | |
1882aa38 PE |
202 | /* True means remove site-lisp directories from load-path. */ |
203 | bool no_site_lisp; | |
66b7b0fe | 204 | |
4ff029f6 DN |
205 | /* Name for the server started by the daemon.*/ |
206 | static char *daemon_name; | |
eab2ee89 | 207 | |
5790ef40 DN |
208 | /* Pipe used to send exit notification to the daemon parent at |
209 | startup. */ | |
ff808935 | 210 | int daemon_pipe[2]; |
fc012771 | 211 | |
e29f86e4 RS |
212 | /* Save argv and argc. */ |
213 | char **initial_argv; | |
214 | int initial_argc; | |
081bef73 | 215 | |
dd4c5104 | 216 | static void sort_args (int argc, char **argv); |
35f08c38 | 217 | static void syms_of_emacs (void); |
bd4590ba | 218 | |
8208d2bf | 219 | /* C99 needs each string to be at most 4095 characters, and the usage |
6b61353c | 220 | strings below are split to not overflow this limit. */ |
29abe551 PE |
221 | static char const *const usage_message[] = |
222 | { "\ | |
bd4590ba GM |
223 | \n\ |
224 | Run Emacs, the extensible, customizable, self-documenting real-time\n\ | |
225 | display editor. The recommended way to start Emacs for normal editing\n\ | |
226 | is with no options at all.\n\ | |
227 | \n\ | |
49ca717b | 228 | Run M-x info RET m emacs RET m emacs invocation RET inside Emacs to\n\ |
bd4590ba GM |
229 | read the main documentation for these command-line arguments.\n\ |
230 | \n\ | |
231 | Initialization options:\n\ | |
232 | \n\ | |
29abe551 PE |
233 | ", |
234 | "\ | |
6b61353c | 235 | --batch do not do interactive display; implies -q\n\ |
f63d0028 | 236 | --chdir DIR change to directory DIR\n\ |
598898a7 | 237 | --daemon start a server in the background\n\ |
6b61353c KH |
238 | --debug-init enable Emacs Lisp debugger for init file\n\ |
239 | --display, -d DISPLAY use X server DISPLAY\n\ | |
29abe551 PE |
240 | ", |
241 | "\ | |
6b61353c KH |
242 | --no-desktop do not load a saved desktop\n\ |
243 | --no-init-file, -q load neither ~/.emacs nor default.el\n\ | |
244 | --no-shared-memory, -nl do not use shared memory\n\ | |
245 | --no-site-file do not load site-start.el\n\ | |
66b7b0fe | 246 | --no-site-lisp, -nsl do not add site-lisp directories to load-path\n\ |
6b61353c | 247 | --no-splash do not display a splash screen on startup\n\ |
2ff86b4e | 248 | --no-window-system, -nw do not communicate with X, ignoring $DISPLAY\n\ |
29abe551 PE |
249 | ", |
250 | "\ | |
66b7b0fe GM |
251 | --quick, -Q equivalent to:\n\ |
252 | -q --no-site-file --no-site-lisp --no-splash\n\ | |
6b61353c KH |
253 | --script FILE run FILE as an Emacs Lisp script\n\ |
254 | --terminal, -t DEVICE use DEVICE for terminal I/O\n\ | |
6b61353c | 255 | --user, -u USER load ~USER/.emacs instead of your own\n\ |
29abe551 PE |
256 | \n\ |
257 | ", | |
258 | "\ | |
bd4590ba GM |
259 | Action options:\n\ |
260 | \n\ | |
6b61353c | 261 | FILE visit FILE using find-file\n\ |
9020b223 GM |
262 | +LINE go to line LINE in next FILE\n\ |
263 | +LINE:COLUMN go to line LINE, column COLUMN, in next FILE\n\ | |
6dc6d301 | 264 | --directory, -L DIR prepend DIR to load-path (with :DIR, append DIR)\n\ |
6b61353c KH |
265 | --eval EXPR evaluate Emacs Lisp expression EXPR\n\ |
266 | --execute EXPR evaluate Emacs Lisp expression EXPR\n\ | |
29abe551 PE |
267 | ", |
268 | "\ | |
6b61353c KH |
269 | --file FILE visit FILE using find-file\n\ |
270 | --find-file FILE visit FILE using find-file\n\ | |
271 | --funcall, -f FUNC call Emacs Lisp function FUNC with no arguments\n\ | |
272 | --insert FILE insert contents of FILE into current buffer\n\ | |
273 | --kill exit without asking for confirmation\n\ | |
274 | --load, -l FILE load Emacs Lisp FILE using the load function\n\ | |
275 | --visit FILE visit FILE using find-file\n\ | |
29abe551 PE |
276 | \n\ |
277 | ", | |
278 | "\ | |
5b2ca26b | 279 | Display options:\n\ |
bd4590ba | 280 | \n\ |
6b61353c | 281 | --background-color, -bg COLOR window background color\n\ |
2ff86b4e NR |
282 | --basic-display, -D disable many display features;\n\ |
283 | used for debugging Emacs\n\ | |
6b61353c KH |
284 | --border-color, -bd COLOR main border color\n\ |
285 | --border-width, -bw WIDTH width of main border\n\ | |
29abe551 PE |
286 | ", |
287 | "\ | |
ced74849 | 288 | --color, --color=MODE override color mode for character terminals;\n\ |
62973b41 JB |
289 | MODE defaults to `auto', and\n\ |
290 | can also be `never', `always',\n\ | |
6b61353c KH |
291 | or a mode name like `ansi8'\n\ |
292 | --cursor-color, -cr COLOR color of the Emacs cursor indicating point\n\ | |
293 | --font, -fn FONT default font; must be fixed-width\n\ | |
294 | --foreground-color, -fg COLOR window foreground color\n\ | |
29abe551 PE |
295 | ", |
296 | "\ | |
6b61353c | 297 | --fullheight, -fh make the first frame high as the screen\n\ |
62973b41 | 298 | --fullscreen, -fs make the first frame fullscreen\n\ |
6b61353c | 299 | --fullwidth, -fw make the first frame wide as the screen\n\ |
3f1c6666 | 300 | --maximized, -mm make the first frame maximized\n\ |
6b61353c | 301 | --geometry, -g GEOMETRY window geometry\n\ |
29abe551 PE |
302 | ", |
303 | "\ | |
f9e36a6d | 304 | --no-bitmap-icon, -nbi do not use picture of gnu for Emacs icon\n\ |
6b61353c KH |
305 | --iconic start Emacs in iconified state\n\ |
306 | --internal-border, -ib WIDTH width between text and main border\n\ | |
307 | --line-spacing, -lsp PIXELS additional space to put between lines\n\ | |
308 | --mouse-color, -ms COLOR mouse cursor color in Emacs window\n\ | |
309 | --name NAME title for initial Emacs frame\n\ | |
29abe551 PE |
310 | ", |
311 | "\ | |
49ca717b | 312 | --no-blinking-cursor, -nbc disable blinking cursor\n\ |
6b61353c KH |
313 | --reverse-video, -r, -rv switch foreground and background\n\ |
314 | --title, -T TITLE title for initial Emacs frame\n\ | |
315 | --vertical-scroll-bars, -vb enable vertical scroll bars\n\ | |
316 | --xrm XRESOURCES set additional X resources\n\ | |
1540a61a | 317 | --parent-id XID set parent window\n\ |
6b61353c KH |
318 | --help display this help and exit\n\ |
319 | --version output version information and exit\n\ | |
29abe551 PE |
320 | \n\ |
321 | ", | |
322 | "\ | |
bd4590ba GM |
323 | You can generally also specify long option names with a single -; for\n\ |
324 | example, -batch as well as --batch. You can use any unambiguous\n\ | |
325 | abbreviation for a --option.\n\ | |
326 | \n\ | |
327 | Various environment variables and window system resources also affect\n\ | |
5ec0337a | 328 | the operation of Emacs. See the main documentation.\n\ |
07beadff | 329 | \n\ |
7b207d6d | 330 | Report bugs to " PACKAGE_BUGREPORT ". First, please see the Bugs\n\ |
bd4590ba | 331 | section of the Emacs manual or the file BUGS.\n" |
29abe551 | 332 | }; |
bd4590ba | 333 | |
f927c5ae | 334 | \f |
1882aa38 PE |
335 | /* True if handling a fatal error already. */ |
336 | bool fatal_error_in_progress; | |
f927c5ae | 337 | |
204ee57f JD |
338 | #ifdef HAVE_NS |
339 | /* NS autrelease pool, for memory management. */ | |
340 | static void *ns_pool; | |
9e4bf381 PE |
341 | #endif |
342 | ||
84575e67 PE |
343 | #if !HAVE_SETLOCALE |
344 | static char * | |
345 | setlocale (int cat, char const *locale) | |
346 | { | |
347 | return 0; | |
348 | } | |
349 | #endif | |
204ee57f | 350 | |
4fab758d | 351 | |
cf29dd84 PE |
352 | /* Report a fatal error due to signal SIG, output a backtrace of at |
353 | most BACKTRACE_LIMIT lines, and exit. */ | |
354 | _Noreturn void | |
4d7e6e51 | 355 | terminate_due_to_signal (int sig, int backtrace_limit) |
cf29dd84 | 356 | { |
62a1d661 | 357 | signal (sig, SIG_DFL); |
4d7e6e51 | 358 | totally_unblock_input (); |
061b7f94 | 359 | |
f927c5ae | 360 | /* If fatal error occurs in code below, avoid infinite recursion. */ |
8090eb09 JB |
361 | if (! fatal_error_in_progress) |
362 | { | |
363 | fatal_error_in_progress = 1; | |
f927c5ae | 364 | |
9c524fcb | 365 | if (sig == SIGTERM || sig == SIGHUP || sig == SIGINT) |
f63d0028 JD |
366 | Fkill_emacs (make_number (sig)); |
367 | ||
1882aa38 | 368 | shut_down_emacs (sig, Qnil); |
cf29dd84 | 369 | emacs_backtrace (backtrace_limit); |
8090eb09 | 370 | } |
f927c5ae | 371 | |
8090eb09 | 372 | /* Signal the same code; this time it will really be fatal. |
4d7e6e51 PE |
373 | Since we're in a signal handler, the signal is blocked, so we |
374 | have to unblock it if we want to really receive it. */ | |
29b89fe0 | 375 | #ifndef MSDOS |
2fe28299 PE |
376 | { |
377 | sigset_t unblocked; | |
378 | sigemptyset (&unblocked); | |
4d7e6e51 | 379 | sigaddset (&unblocked, sig); |
2fe28299 PE |
380 | pthread_sigmask (SIG_UNBLOCK, &unblocked, 0); |
381 | } | |
29b89fe0 | 382 | #endif |
4fab758d | 383 | |
4d7e6e51 | 384 | emacs_raise (sig); |
cf29dd84 PE |
385 | |
386 | /* This shouldn't be executed, but it prevents a warning. */ | |
387 | exit (1); | |
f927c5ae JB |
388 | } |
389 | \f | |
7db35a48 | 390 | /* Code for dealing with Lisp access to the Unix command line. */ |
f927c5ae | 391 | |
dfcf069d | 392 | static void |
a90e5a33 | 393 | init_cmdargs (int argc, char **argv, int skip_args, char *original_pwd) |
f927c5ae JB |
394 | { |
395 | register int i; | |
74f10ca7 | 396 | Lisp_Object name, dir, handler; |
2bfa3d3e | 397 | dynwind_begin (); |
213d0b1f | 398 | Lisp_Object raw_name; |
f927c5ae | 399 | |
e29f86e4 RS |
400 | initial_argv = argv; |
401 | initial_argc = argc; | |
402 | ||
080fd649 EZ |
403 | #ifdef WINDOWSNT |
404 | /* Must use argv[0] converted to UTF-8, as it begets many standard | |
405 | file and directory names. */ | |
406 | { | |
407 | char argv0[MAX_UTF8_PATH]; | |
408 | ||
409 | if (filename_from_ansi (argv[0], argv0) == 0) | |
410 | raw_name = build_unibyte_string (argv0); | |
411 | else | |
412 | raw_name = build_unibyte_string (argv[0]); | |
413 | } | |
414 | #else | |
d0065ff1 | 415 | raw_name = build_unibyte_string (argv[0]); |
080fd649 | 416 | #endif |
213d0b1f RS |
417 | |
418 | /* Add /: to the front of the name | |
419 | if it would otherwise be treated as magic. */ | |
74f10ca7 PE |
420 | handler = Ffind_file_name_handler (raw_name, Qt); |
421 | if (! NILP (handler)) | |
213d0b1f RS |
422 | raw_name = concat2 (build_string ("/:"), raw_name); |
423 | ||
424 | Vinvocation_name = Ffile_name_nondirectory (raw_name); | |
425 | Vinvocation_directory = Ffile_name_directory (raw_name); | |
426 | ||
ace40a69 RS |
427 | /* If we got no directory in argv[0], search PATH to find where |
428 | Emacs actually came from. */ | |
429 | if (NILP (Vinvocation_directory)) | |
430 | { | |
431 | Lisp_Object found; | |
432 | int yes = openp (Vexec_path, Vinvocation_name, | |
518c40a2 | 433 | Vexec_suffixes, &found, make_number (X_OK), false); |
e443f843 | 434 | if (yes == 1) |
213d0b1f RS |
435 | { |
436 | /* Add /: to the front of the name | |
437 | if it would otherwise be treated as magic. */ | |
74f10ca7 PE |
438 | handler = Ffind_file_name_handler (found, Qt); |
439 | if (! NILP (handler)) | |
213d0b1f RS |
440 | found = concat2 (build_string ("/:"), found); |
441 | Vinvocation_directory = Ffile_name_directory (found); | |
442 | } | |
ace40a69 | 443 | } |
59653951 | 444 | |
4133b300 RS |
445 | if (!NILP (Vinvocation_directory) |
446 | && NILP (Ffile_name_absolute_p (Vinvocation_directory))) | |
213d0b1f RS |
447 | /* Emacs was started with relative path, like ./emacs. |
448 | Make it absolute. */ | |
8fd07417 | 449 | { |
d0065ff1 EZ |
450 | Lisp_Object odir = |
451 | original_pwd ? build_unibyte_string (original_pwd) : Qnil; | |
452 | ||
8fd07417 GM |
453 | Vinvocation_directory = Fexpand_file_name (Vinvocation_directory, odir); |
454 | } | |
4133b300 | 455 | |
07f4d123 RS |
456 | Vinstallation_directory = Qnil; |
457 | ||
458 | if (!NILP (Vinvocation_directory)) | |
459 | { | |
460 | dir = Vinvocation_directory; | |
76151e2c EZ |
461 | #ifdef WINDOWSNT |
462 | /* If we are running from the build directory, set DIR to the | |
463 | src subdirectory of the Emacs tree, like on Posix | |
464 | platforms. */ | |
465 | if (SBYTES (dir) > sizeof ("/i386/") - 1 | |
466 | && 0 == strcmp (SSDATA (dir) + SBYTES (dir) - sizeof ("/i386/") + 1, | |
467 | "/i386/")) | |
468 | dir = Fexpand_file_name (build_string ("../.."), dir); | |
469 | #else /* !WINDOWSNT */ | |
470 | #endif | |
07f4d123 RS |
471 | name = Fexpand_file_name (Vinvocation_name, dir); |
472 | while (1) | |
473 | { | |
f5ab9736 | 474 | Lisp_Object tem, lib_src_exists; |
07f4d123 RS |
475 | Lisp_Object etc_exists, info_exists; |
476 | ||
f5ab9736 RS |
477 | /* See if dir contains subdirs for use by Emacs. |
478 | Check for the ones that would exist in a build directory, | |
479 | not including lisp and info. */ | |
480 | tem = Fexpand_file_name (build_string ("lib-src"), dir); | |
481 | lib_src_exists = Ffile_exists_p (tem); | |
de004cc6 | 482 | |
70344b34 | 483 | #ifdef MSDOS |
de004cc6 RS |
484 | /* MSDOS installations frequently remove lib-src, but we still |
485 | must set installation-directory, or else info won't find | |
486 | its files (it uses the value of installation-directory). */ | |
487 | tem = Fexpand_file_name (build_string ("info"), dir); | |
488 | info_exists = Ffile_exists_p (tem); | |
70344b34 EZ |
489 | #else |
490 | info_exists = Qnil; | |
491 | #endif | |
de004cc6 RS |
492 | |
493 | if (!NILP (lib_src_exists) || !NILP (info_exists)) | |
07f4d123 | 494 | { |
f5ab9736 RS |
495 | tem = Fexpand_file_name (build_string ("etc"), dir); |
496 | etc_exists = Ffile_exists_p (tem); | |
497 | if (!NILP (etc_exists)) | |
07f4d123 | 498 | { |
f5ab9736 RS |
499 | Vinstallation_directory |
500 | = Ffile_name_as_directory (dir); | |
501 | break; | |
07f4d123 RS |
502 | } |
503 | } | |
504 | ||
505 | /* See if dir's parent contains those subdirs. */ | |
f5ab9736 RS |
506 | tem = Fexpand_file_name (build_string ("../lib-src"), dir); |
507 | lib_src_exists = Ffile_exists_p (tem); | |
de004cc6 | 508 | |
70344b34 EZ |
509 | |
510 | #ifdef MSDOS | |
511 | /* See the MSDOS commentary above. */ | |
de004cc6 RS |
512 | tem = Fexpand_file_name (build_string ("../info"), dir); |
513 | info_exists = Ffile_exists_p (tem); | |
70344b34 EZ |
514 | #else |
515 | info_exists = Qnil; | |
516 | #endif | |
de004cc6 RS |
517 | |
518 | if (!NILP (lib_src_exists) || !NILP (info_exists)) | |
07f4d123 | 519 | { |
f5ab9736 RS |
520 | tem = Fexpand_file_name (build_string ("../etc"), dir); |
521 | etc_exists = Ffile_exists_p (tem); | |
522 | if (!NILP (etc_exists)) | |
07f4d123 | 523 | { |
f5ab9736 RS |
524 | tem = Fexpand_file_name (build_string (".."), dir); |
525 | Vinstallation_directory | |
526 | = Ffile_name_as_directory (tem); | |
527 | break; | |
07f4d123 RS |
528 | } |
529 | } | |
530 | ||
531 | /* If the Emacs executable is actually a link, | |
532 | next try the dir that the link points into. */ | |
533 | tem = Ffile_symlink_p (name); | |
534 | if (!NILP (tem)) | |
535 | { | |
260ec24d | 536 | name = Fexpand_file_name (tem, dir); |
07f4d123 RS |
537 | dir = Ffile_name_directory (name); |
538 | } | |
539 | else | |
540 | break; | |
541 | } | |
542 | } | |
543 | ||
f927c5ae JB |
544 | Vcommand_line_args = Qnil; |
545 | ||
546 | for (i = argc - 1; i >= 0; i--) | |
547 | { | |
548 | if (i == 0 || i > skip_args) | |
a520393d KH |
549 | /* For the moment, we keep arguments as is in unibyte strings. |
550 | They are decoded in the function command-line after we know | |
551 | locale-coding-system. */ | |
f927c5ae | 552 | Vcommand_line_args |
309f24d1 | 553 | = Fcons (build_unibyte_string (argv[i]), Vcommand_line_args); |
f927c5ae | 554 | } |
213d0b1f | 555 | |
2bfa3d3e | 556 | dynwind_end (); |
f927c5ae | 557 | } |
59653951 JB |
558 | |
559 | DEFUN ("invocation-name", Finvocation_name, Sinvocation_name, 0, 0, 0, | |
7db35a48 PJ |
560 | doc: /* Return the program name that was used to run Emacs. |
561 | Any directory names are omitted. */) | |
5842a27b | 562 | (void) |
59653951 JB |
563 | { |
564 | return Fcopy_sequence (Vinvocation_name); | |
565 | } | |
566 | ||
ace40a69 | 567 | DEFUN ("invocation-directory", Finvocation_directory, Sinvocation_directory, |
7db35a48 PJ |
568 | 0, 0, 0, |
569 | doc: /* Return the directory name in which the Emacs executable was located. */) | |
5842a27b | 570 | (void) |
ace40a69 RS |
571 | { |
572 | return Fcopy_sequence (Vinvocation_directory); | |
573 | } | |
574 | ||
f927c5ae | 575 | \f |
0269dedb RS |
576 | #ifdef HAVE_TZSET |
577 | /* A valid but unlikely value for the TZ environment value. | |
578 | It is OK (though a bit slower) if the user actually chooses this value. */ | |
5745a7df | 579 | static char const dump_tz[] = "UtC0"; |
0269dedb RS |
580 | #endif |
581 | ||
e2925360 KH |
582 | /* Test whether the next argument in ARGV matches SSTR or a prefix of |
583 | LSTR (at least MINLEN characters). If so, then if VALPTR is non-null | |
584 | (the argument is supposed to have a value) store in *VALPTR either | |
585 | the next argument or the portion of this one after the equal sign. | |
586 | ARGV is read starting at position *SKIPPTR; this index is advanced | |
587 | by the number of arguments used. | |
588 | ||
589 | Too bad we can't just use getopt for all of this, but we don't have | |
590 | enough information to do it right. */ | |
081bef73 | 591 | |
1882aa38 | 592 | static bool |
62973b41 JB |
593 | argmatch (char **argv, int argc, const char *sstr, const char *lstr, |
594 | int minlen, char **valptr, int *skipptr) | |
e2925360 | 595 | { |
6bbd7a29 | 596 | char *p = NULL; |
0b963a93 | 597 | ptrdiff_t arglen; |
df6530f8 RS |
598 | char *arg; |
599 | ||
600 | /* Don't access argv[argc]; give up in advance. */ | |
601 | if (argc <= *skipptr + 1) | |
602 | return 0; | |
603 | ||
604 | arg = argv[*skipptr+1]; | |
e2925360 KH |
605 | if (arg == NULL) |
606 | return 0; | |
607 | if (strcmp (arg, sstr) == 0) | |
608 | { | |
609 | if (valptr != NULL) | |
610 | { | |
611 | *valptr = argv[*skipptr+2]; | |
612 | *skipptr += 2; | |
613 | } | |
614 | else | |
615 | *skipptr += 1; | |
616 | return 1; | |
617 | } | |
8966b757 | 618 | arglen = (valptr != NULL && (p = strchr (arg, '=')) != NULL |
e2925360 | 619 | ? p - arg : strlen (arg)); |
c03e1113 | 620 | if (lstr == 0 || arglen < minlen || strncmp (arg, lstr, arglen) != 0) |
e2925360 KH |
621 | return 0; |
622 | else if (valptr == NULL) | |
623 | { | |
624 | *skipptr += 1; | |
625 | return 1; | |
626 | } | |
627 | else if (p != NULL) | |
628 | { | |
629 | *valptr = p+1; | |
630 | *skipptr += 1; | |
631 | return 1; | |
632 | } | |
633 | else if (argv[*skipptr+2] != NULL) | |
634 | { | |
635 | *valptr = argv[*skipptr+2]; | |
636 | *skipptr += 2; | |
637 | return 1; | |
638 | } | |
639 | else | |
640 | { | |
641 | return 0; | |
642 | } | |
643 | } | |
644 | ||
b6779252 | 645 | #ifdef DOUG_LEA_MALLOC |
f927c5ae | 646 | |
b6779252 KH |
647 | /* malloc can be invoked even before main (e.g. by the dynamic |
648 | linker), so the dumped malloc state must be restored as early as | |
649 | possible using this special hook. */ | |
650 | ||
651 | static void | |
dd4c5104 | 652 | malloc_initialize_hook (void) |
b6779252 | 653 | { |
15aaf1b5 RS |
654 | if (initialized) |
655 | { | |
7c9cd446 AS |
656 | if (!malloc_using_checking) |
657 | /* Work around a bug in glibc's malloc. MALLOC_CHECK_ must be | |
658 | ignored if the heap to be restored was constructed without | |
d942e12a AS |
659 | malloc checking. Can't use unsetenv, since that calls malloc. */ |
660 | { | |
661 | char **p; | |
662 | ||
a57c4026 | 663 | for (p = environ; p && *p; p++) |
d942e12a AS |
664 | if (strncmp (*p, "MALLOC_CHECK_=", 14) == 0) |
665 | { | |
666 | do | |
667 | *p = p[1]; | |
668 | while (*++p); | |
669 | break; | |
670 | } | |
671 | } | |
b6779252 | 672 | |
15aaf1b5 RS |
673 | malloc_set_state (malloc_state_ptr); |
674 | free (malloc_state_ptr); | |
675 | } | |
7c9cd446 | 676 | else |
dede2792 JD |
677 | { |
678 | if (my_heap_start == 0) | |
679 | my_heap_start = sbrk (0); | |
680 | malloc_using_checking = getenv ("MALLOC_CHECK_") != NULL; | |
681 | } | |
b6779252 KH |
682 | } |
683 | ||
698d32e2 | 684 | void (*__malloc_initialize_hook) (void) EXTERNALLY_VISIBLE = malloc_initialize_hook; |
b6779252 KH |
685 | |
686 | #endif /* DOUG_LEA_MALLOC */ | |
687 | ||
7ccfb720 PE |
688 | /* Close standard output and standard error, reporting any write |
689 | errors as best we can. This is intended for use with atexit. */ | |
690 | static void | |
691 | close_output_streams (void) | |
692 | { | |
693 | if (close_stream (stdout) != 0) | |
694 | { | |
4ebbdd67 | 695 | emacs_perror ("Write error to standard output"); |
7ccfb720 PE |
696 | _exit (EXIT_FAILURE); |
697 | } | |
698 | ||
699 | if (close_stream (stderr) != 0) | |
700 | _exit (EXIT_FAILURE); | |
701 | } | |
d883731c | 702 | |
d1c3da7b BT |
703 | static Lisp_Object |
704 | string_from_scheme (Lisp_Object scheme_string) | |
705 | { | |
706 | size_t nbytes; | |
707 | char *c_string = scm_to_utf8_stringn (scheme_string, &nbytes); | |
708 | return make_string_from_bytes (c_string, | |
709 | scm_c_string_length (scheme_string), | |
710 | nbytes); | |
711 | } | |
712 | ||
33c8e7f9 BT |
713 | static int main2 (void *, int, char **); |
714 | ||
b6779252 | 715 | int |
7c2fb837 | 716 | main (int argc, char **argv) |
33c8e7f9 BT |
717 | { |
718 | /* Override Guile's libgc configuration. */ | |
719 | xputenv ("GC_ALL_INTERIOR_POINTERS=1"); | |
720 | scm_boot_guile (argc, argv, main2, NULL); | |
721 | } | |
722 | ||
723 | /* ARGSUSED */ | |
724 | static int | |
725 | main2 (void *ignore, int argc, char **argv) | |
b6779252 | 726 | { |
1882aa38 | 727 | bool do_initial_setlocale; |
4d7e6e51 | 728 | bool dumping; |
b6779252 | 729 | int skip_args = 0; |
b6779252 KH |
730 | #ifdef HAVE_SETRLIMIT |
731 | struct rlimit rlim; | |
732 | #endif | |
1882aa38 | 733 | bool no_loadup = 0; |
6e910e07 | 734 | char *junk = 0; |
4ff029f6 | 735 | char *dname_arg = 0; |
ce9f00e4 | 736 | #ifdef DAEMON_MUST_EXEC |
b3243e6f | 737 | char dname_arg2[80]; |
a9e7a9d5 | 738 | #endif |
f63d0028 | 739 | char *ch_to_dir; |
b6779252 | 740 | |
a90e5a33 PE |
741 | /* If we use --chdir, this records the original directory. */ |
742 | char *original_pwd = 0; | |
743 | ||
4ffea447 | 744 | #ifdef G_SLICE_ALWAYS_MALLOC |
0fe73012 KB |
745 | /* This is used by the Cygwin build. It's not needed starting with |
746 | cygwin-1.7.24, but it doesn't do any harm. */ | |
5745a7df | 747 | xputenv ("G_SLICE=always-malloc"); |
a4ef73c8 CY |
748 | #endif |
749 | ||
50e4eb2d DC |
750 | #ifndef CANNOT_DUMP |
751 | might_dump = !initialized; | |
752 | #endif | |
753 | ||
b312a492 | 754 | #ifdef GNU_LINUX |
dede2792 JD |
755 | if (!initialized) |
756 | { | |
757 | extern char my_endbss[]; | |
758 | extern char *my_endbss_static; | |
759 | ||
760 | if (my_heap_start == 0) | |
761 | my_heap_start = sbrk (0); | |
762 | ||
763 | heap_bss_diff = (char *)my_heap_start - max (my_endbss, my_endbss_static); | |
764 | } | |
b312a492 | 765 | #endif |
dede2792 | 766 | |
1cf1bbd5 DC |
767 | #if defined WINDOWSNT || defined HAVE_NTGUI |
768 | /* Set global variables used to detect Windows version. Do this as | |
769 | early as possible. (unexw32.c calls this function as well, but | |
770 | the additional call here is harmless.) */ | |
771 | cache_system_info (); | |
5197f0c2 EZ |
772 | #ifdef WINDOWSNT |
773 | /* On Windows 9X, we have to load UNICOWS.DLL as early as possible, | |
774 | to have non-stub implementations of APIs we need to convert file | |
775 | names between UTF-8 and the system's ANSI codepage. */ | |
776 | maybe_load_unicows_dll (); | |
777 | #endif | |
1cf1bbd5 DC |
778 | #endif |
779 | ||
d785cf9e RS |
780 | #ifdef RUN_TIME_REMAP |
781 | if (initialized) | |
782 | run_time_remap (argv[0]); | |
783 | #endif | |
784 | ||
14145fa3 AR |
785 | /* If using unexmacosx.c (set by s/darwin.h), we must do this. */ |
786 | #ifdef DARWIN_OS | |
e0f712ba AC |
787 | if (!initialized) |
788 | unexec_init_emacs_zone (); | |
789 | #endif | |
790 | ||
76abf5e5 PE |
791 | atexit (close_output_streams); |
792 | ||
081bef73 | 793 | sort_args (argc, argv); |
956e3c7e RS |
794 | argc = 0; |
795 | while (argv[argc]) argc++; | |
081bef73 | 796 | |
8c5ff6dd | 797 | if (argmatch (argv, argc, "-version", "--version", 3, NULL, &skip_args)) |
1702afef | 798 | { |
8c5ff6dd KR |
799 | const char *version, *copyright; |
800 | if (initialized) | |
5cf9ca93 | 801 | { |
8c5ff6dd KR |
802 | Lisp_Object tem, tem2; |
803 | tem = Fsymbol_value (intern_c_string ("emacs-version")); | |
804 | tem2 = Fsymbol_value (intern_c_string ("emacs-copyright")); | |
805 | if (!STRINGP (tem)) | |
806 | { | |
807 | fprintf (stderr, "Invalid value of `emacs-version'\n"); | |
808 | exit (1); | |
809 | } | |
810 | if (!STRINGP (tem2)) | |
811 | { | |
812 | fprintf (stderr, "Invalid value of `emacs-copyright'\n"); | |
813 | exit (1); | |
814 | } | |
815 | else | |
816 | { | |
42a5b22f PE |
817 | version = SSDATA (tem); |
818 | copyright = SSDATA (tem2); | |
8c5ff6dd | 819 | } |
5cf9ca93 | 820 | } |
1702afef RS |
821 | else |
822 | { | |
8c5ff6dd KR |
823 | version = emacs_version; |
824 | copyright = emacs_copyright; | |
1702afef | 825 | } |
8c5ff6dd KR |
826 | printf ("GNU Emacs %s\n", version); |
827 | printf ("%s\n", copyright); | |
828 | printf ("GNU Emacs comes with ABSOLUTELY NO WARRANTY.\n"); | |
829 | printf ("You may redistribute copies of Emacs\n"); | |
830 | printf ("under the terms of the GNU General Public License.\n"); | |
831 | printf ("For more information about these matters, "); | |
832 | printf ("see the file named COPYING.\n"); | |
833 | exit (0); | |
1702afef | 834 | } |
947f5e01 JM |
835 | |
836 | if (argmatch (argv, argc, "-chdir", "--chdir", 4, &ch_to_dir, &skip_args)) | |
8fd07417 | 837 | { |
080fd649 EZ |
838 | #ifdef WINDOWSNT |
839 | /* argv[] array is kept in its original ANSI codepage encoding, | |
840 | we need to convert to UTF-8, for chdir to work. */ | |
841 | char newdir[MAX_UTF8_PATH]; | |
842 | ||
843 | filename_from_ansi (ch_to_dir, newdir); | |
844 | ch_to_dir = newdir; | |
845 | #endif | |
8fd07417 | 846 | original_pwd = get_current_dir_name (); |
a90e5a33 | 847 | if (chdir (ch_to_dir) != 0) |
8fd07417 GM |
848 | { |
849 | fprintf (stderr, "%s: Can't chdir to %s: %s\n", | |
850 | argv[0], ch_to_dir, strerror (errno)); | |
851 | exit (1); | |
852 | } | |
853 | } | |
f63d0028 | 854 | |
4d7e6e51 PE |
855 | dumping = !initialized && (strcmp (argv[argc - 1], "dump") == 0 |
856 | || strcmp (argv[argc - 1], "bootstrap") == 0); | |
1702afef | 857 | |
dede2792 | 858 | #ifdef HAVE_PERSONALITY_LINUX32 |
4d7e6e51 | 859 | if (dumping && ! getenv ("EMACS_HEAP_EXEC")) |
dede2792 | 860 | { |
fd75ddb2 | 861 | /* Set this so we only do this once. */ |
5745a7df | 862 | xputenv ("EMACS_HEAP_EXEC=true"); |
711877f3 | 863 | |
fd75ddb2 JD |
864 | /* A flag to turn off address randomization which is introduced |
865 | in linux kernel shipped with fedora core 4 */ | |
711877f3 | 866 | #define ADD_NO_RANDOMIZE 0x0040000 |
fd75ddb2 | 867 | personality (PER_LINUX32 | ADD_NO_RANDOMIZE); |
711877f3 MY |
868 | #undef ADD_NO_RANDOMIZE |
869 | ||
fd75ddb2 | 870 | execvp (argv[0], argv); |
dede2792 | 871 | |
fd75ddb2 | 872 | /* If the exec fails, try to dump anyway. */ |
4ebbdd67 | 873 | emacs_perror (argv[0]); |
dede2792 JD |
874 | } |
875 | #endif /* HAVE_PERSONALITY_LINUX32 */ | |
876 | ||
ea2acec5 | 877 | #if defined (HAVE_SETRLIMIT) && defined (RLIMIT_STACK) |
6c2935e9 RS |
878 | /* Extend the stack space available. |
879 | Don't do that if dumping, since some systems (e.g. DJGPP) | |
880 | might define a smaller stack limit at that time. */ | |
881 | if (1 | |
882 | #ifndef CANNOT_DUMP | |
883 | && (!noninteractive || initialized) | |
884 | #endif | |
885 | && !getrlimit (RLIMIT_STACK, &rlim)) | |
53c58b5d | 886 | { |
509a8fcd | 887 | long newlim; |
fa8459a3 | 888 | extern size_t re_max_failures; |
03effc23 KH |
889 | /* Approximate the amount regex.c needs per unit of re_max_failures. */ |
890 | int ratio = 20 * sizeof (char *); | |
891 | /* Then add 33% to cover the size of the smaller stacks that regex.c | |
892 | successively allocates and discards, on its way to the maximum. */ | |
893 | ratio += ratio / 3; | |
894 | /* Add in some extra to cover | |
895 | what we're likely to use for other reasons. */ | |
896 | newlim = re_max_failures * ratio + 200000; | |
d0381a7f RS |
897 | #ifdef __NetBSD__ |
898 | /* NetBSD (at least NetBSD 1.2G and former) has a bug in its | |
899 | stack allocation routine for new process that the allocation | |
900 | fails if stack limit is not on page boundary. So, round up the | |
901 | new limit to page boundary. */ | |
5e617bc2 | 902 | newlim = (newlim + getpagesize () - 1) / getpagesize () * getpagesize (); |
d0381a7f | 903 | #endif |
509a8fcd | 904 | if (newlim > rlim.rlim_max) |
6c2935e9 RS |
905 | { |
906 | newlim = rlim.rlim_max; | |
03effc23 KH |
907 | /* Don't let regex.c overflow the stack we have. */ |
908 | re_max_failures = (newlim - 200000) / ratio; | |
6c2935e9 | 909 | } |
509a8fcd RS |
910 | if (rlim.rlim_cur < newlim) |
911 | rlim.rlim_cur = newlim; | |
912 | ||
53c58b5d RS |
913 | setrlimit (RLIMIT_STACK, &rlim); |
914 | } | |
ea2acec5 | 915 | #endif /* HAVE_SETRLIMIT and RLIMIT_STACK */ |
53c58b5d | 916 | |
f927c5ae | 917 | clearerr (stdin); |
9ae8f997 | 918 | |
f927c5ae | 919 | #ifndef SYSTEM_MALLOC |
bf7f4e90 RS |
920 | /* Arrange to get warning messages as memory fills up. */ |
921 | memory_warnings (0, malloc_warning); | |
9ac0d9e0 | 922 | |
0caaedb1 | 923 | /* Call malloc at least once, to run malloc_initialize_hook. |
f5a3c8c4 AI |
924 | Also call realloc and free for consistency. */ |
925 | free (realloc (malloc (4), 4)); | |
bf7f4e90 | 926 | |
f927c5ae JB |
927 | #endif /* not SYSTEM_MALLOC */ |
928 | ||
edd3ff1d | 929 | #if defined (MSDOS) || defined (WINDOWSNT) |
29b89fe0 RS |
930 | /* We do all file input/output as binary files. When we need to translate |
931 | newlines, we do that manually. */ | |
932 | _fmode = O_BINARY; | |
edd3ff1d | 933 | #endif /* MSDOS || WINDOWSNT */ |
18198bb2 | 934 | |
edd3ff1d | 935 | #ifdef MSDOS |
18198bb2 RS |
936 | if (!isatty (fileno (stdin))) |
937 | setmode (fileno (stdin), O_BINARY); | |
938 | if (!isatty (fileno (stdout))) | |
939 | { | |
940 | fflush (stdout); | |
941 | setmode (fileno (stdout), O_BINARY); | |
942 | } | |
29b89fe0 RS |
943 | #endif /* MSDOS */ |
944 | ||
68c45bf0 PE |
945 | /* Skip initial setlocale if LC_ALL is "C", as it's not needed in that case. |
946 | The build procedure uses this while dumping, to ensure that the | |
947 | dumped Emacs does not have its system locale tables initialized, | |
948 | as that might cause screwups when the dumped Emacs starts up. */ | |
949 | { | |
950 | char *lc_all = getenv ("LC_ALL"); | |
951 | do_initial_setlocale = ! lc_all || strcmp (lc_all, "C"); | |
952 | } | |
953 | ||
954 | /* Set locale now, so that initial error messages are localized properly. | |
955 | fixup_locale must wait until later, since it builds strings. */ | |
956 | if (do_initial_setlocale) | |
957 | setlocale (LC_ALL, ""); | |
958 | ||
f927c5ae JB |
959 | inhibit_window_system = 0; |
960 | ||
7db35a48 | 961 | /* Handle the -t switch, which specifies filename to use as terminal. */ |
956e3c7e RS |
962 | while (1) |
963 | { | |
964 | char *term; | |
965 | if (argmatch (argv, argc, "-t", "--terminal", 4, &term, &skip_args)) | |
966 | { | |
967 | int result; | |
68c45bf0 PE |
968 | emacs_close (0); |
969 | emacs_close (1); | |
970 | result = emacs_open (term, O_RDWR, 0); | |
067428c1 | 971 | if (result < 0 || fcntl (0, F_DUPFD_CLOEXEC, 1) < 0) |
956e3c7e RS |
972 | { |
973 | char *errstring = strerror (errno); | |
186486eb | 974 | fprintf (stderr, "%s: %s: %s\n", argv[0], term, errstring); |
956e3c7e RS |
975 | exit (1); |
976 | } | |
956e3c7e RS |
977 | if (! isatty (0)) |
978 | { | |
186486eb | 979 | fprintf (stderr, "%s: %s: not a tty\n", argv[0], term); |
956e3c7e RS |
980 | exit (1); |
981 | } | |
982 | fprintf (stderr, "Using %s\n", term); | |
8ba50e1a | 983 | #ifdef HAVE_WINDOW_SYSTEM |
956e3c7e | 984 | inhibit_window_system = 1; /* -t => -nw */ |
f927c5ae | 985 | #endif |
956e3c7e RS |
986 | } |
987 | else | |
988 | break; | |
989 | } | |
990 | ||
400d6fa9 | 991 | /* Command line option --no-windows is deprecated and thus not mentioned |
333f9019 | 992 | in the manual and usage information. */ |
400d6fa9 PJ |
993 | if (argmatch (argv, argc, "-nw", "--no-window-system", 6, NULL, &skip_args) |
994 | || argmatch (argv, argc, "-nw", "--no-windows", 6, NULL, &skip_args)) | |
e2925360 | 995 | inhibit_window_system = 1; |
f927c5ae | 996 | |
e2925360 | 997 | /* Handle the -batch switch, which means don't do interactive display. */ |
f927c5ae | 998 | noninteractive = 0; |
df6530f8 | 999 | if (argmatch (argv, argc, "-batch", "--batch", 5, NULL, &skip_args)) |
55f4edbc RS |
1000 | { |
1001 | noninteractive = 1; | |
1002 | Vundo_outer_limit = Qnil; | |
1003 | } | |
6e910e07 RS |
1004 | if (argmatch (argv, argc, "-script", "--script", 3, &junk, &skip_args)) |
1005 | { | |
1006 | noninteractive = 1; /* Set batch mode. */ | |
21a4ff8e | 1007 | /* Convert --script to -scriptload, un-skip it, and sort again |
e09b9180 | 1008 | so that it will be handled in proper sequence. */ |
a09a5b5b | 1009 | /* FIXME broken for --script=FILE - is that supposed to work? */ |
c03cd23f | 1010 | argv[skip_args - 1] = (char *) "-scriptload"; |
6e910e07 RS |
1011 | skip_args -= 2; |
1012 | sort_args (argc, argv); | |
1013 | } | |
e2925360 | 1014 | |
7db35a48 | 1015 | /* Handle the --help option, which gives a usage message. */ |
df6530f8 | 1016 | if (argmatch (argv, argc, "-help", "--help", 3, NULL, &skip_args)) |
f927c5ae | 1017 | { |
29abe551 PE |
1018 | int i; |
1019 | printf ("Usage: %s [OPTION-OR-FILENAME]...\n", argv[0]); | |
faa52174 | 1020 | for (i = 0; i < ARRAYELTS (usage_message); i++) |
29abe551 | 1021 | fputs (usage_message[i], stdout); |
e2925360 | 1022 | exit (0); |
f927c5ae JB |
1023 | } |
1024 | ||
3cb98721 PE |
1025 | /* Make sure IS_DAEMON starts up as false. */ |
1026 | daemon_pipe[1] = 0; | |
1027 | ||
4ff029f6 DN |
1028 | if (argmatch (argv, argc, "-daemon", "--daemon", 5, NULL, &skip_args) |
1029 | || argmatch (argv, argc, "-daemon", "--daemon", 5, &dname_arg, &skip_args)) | |
eab2ee89 | 1030 | { |
9d29095c | 1031 | #ifndef DOS_NT |
5790ef40 DN |
1032 | pid_t f; |
1033 | ||
1034 | /* Start as a daemon: fork a new child process which will run the | |
1035 | rest of the initialization code, then exit. | |
1036 | ||
fc012771 SM |
1037 | Detaching a daemon requires the following steps: |
1038 | - fork | |
1039 | - setsid | |
1040 | - exit the parent | |
1041 | - close the tty file-descriptors | |
1042 | ||
1043 | We only want to do the last 2 steps once the daemon is ready to | |
1044 | serve requests, i.e. after loading .emacs (initialization). | |
1045 | OTOH initialization may start subprocesses (e.g. ispell) and these | |
1046 | should be run from the proper process (the one that will end up | |
1047 | running as daemon) and with the proper "session id" in order for | |
1048 | them to keep working after detaching, so fork and setsid need to be | |
1049 | performed before initialization. | |
1050 | ||
5790ef40 DN |
1051 | We want to avoid exiting before the server socket is ready, so |
1052 | use a pipe for synchronization. The parent waits for the child | |
1053 | to close its end of the pipe (using `daemon-initialized') | |
1054 | before exiting. */ | |
c7ddc792 | 1055 | if (emacs_pipe (daemon_pipe) != 0) |
5790ef40 DN |
1056 | { |
1057 | fprintf (stderr, "Cannot pipe!\n"); | |
1058 | exit (1); | |
1059 | } | |
1060 | ||
ce9f00e4 | 1061 | #ifndef DAEMON_MUST_EXEC |
8b3115e7 DN |
1062 | #ifdef USE_GTK |
1063 | fprintf (stderr, "\nWarning: due to a long standing Gtk+ bug\nhttp://bugzilla.gnome.org/show_bug.cgi?id=85715\n\ | |
1064 | Emacs might crash when run in daemon mode and the X11 connection is unexpectedly lost.\n\ | |
1065 | Using an Emacs configured with --with-x-toolkit=lucid does not have this problem.\n"); | |
ce9f00e4 | 1066 | #endif /* USE_GTK */ |
5790ef40 | 1067 | f = fork (); |
ce9f00e4 | 1068 | #else /* DAEMON_MUST_EXEC */ |
b3243e6f AR |
1069 | if (!dname_arg || !strchr (dname_arg, '\n')) |
1070 | f = fork (); /* in orig */ | |
1071 | else | |
1072 | f = 0; /* in exec'd */ | |
ce9f00e4 | 1073 | #endif /* !DAEMON_MUST_EXEC */ |
eab2ee89 | 1074 | if (f > 0) |
5790ef40 DN |
1075 | { |
1076 | int retval; | |
1077 | char buf[1]; | |
1078 | ||
1079 | /* Close unused writing end of the pipe. */ | |
bacba3c2 | 1080 | emacs_close (daemon_pipe[1]); |
5790ef40 DN |
1081 | |
1082 | /* Just wait for the child to close its end of the pipe. */ | |
1083 | do | |
1084 | { | |
1085 | retval = read (daemon_pipe[0], &buf, 1); | |
1086 | } | |
1087 | while (retval == -1 && errno == EINTR); | |
1088 | ||
1089 | if (retval < 0) | |
1090 | { | |
1091 | fprintf (stderr, "Error reading status from child\n"); | |
1092 | exit (1); | |
1093 | } | |
fd95644b DN |
1094 | else if (retval == 0) |
1095 | { | |
1096 | fprintf (stderr, "Error: server did not start correctly\n"); | |
1097 | exit (1); | |
1098 | } | |
5790ef40 | 1099 | |
bacba3c2 | 1100 | emacs_close (daemon_pipe[0]); |
5790ef40 DN |
1101 | exit (0); |
1102 | } | |
eab2ee89 DN |
1103 | if (f < 0) |
1104 | { | |
4ebbdd67 PE |
1105 | emacs_perror ("fork"); |
1106 | exit (EXIT_CANCELED); | |
eab2ee89 DN |
1107 | } |
1108 | ||
ce9f00e4 | 1109 | #ifdef DAEMON_MUST_EXEC |
b3243e6f | 1110 | { |
cfa6accb | 1111 | /* In orig process, forked as child, OR in exec'd. */ |
b3243e6f | 1112 | if (!dname_arg || !strchr (dname_arg, '\n')) |
cfa6accb | 1113 | { /* In orig, child: now exec w/special daemon name. */ |
b3243e6f | 1114 | char fdStr[80]; |
66c6fdd5 PE |
1115 | int fdStrlen = |
1116 | snprintf (fdStr, sizeof fdStr, | |
1117 | "--daemon=\n%d,%d\n%s", daemon_pipe[0], | |
1118 | daemon_pipe[1], dname_arg ? dname_arg : ""); | |
b3243e6f | 1119 | |
66c6fdd5 | 1120 | if (! (0 <= fdStrlen && fdStrlen < sizeof fdStr)) |
b3243e6f AR |
1121 | { |
1122 | fprintf (stderr, "daemon: child name too long\n"); | |
4ebbdd67 | 1123 | exit (EXIT_CANNOT_INVOKE); |
b3243e6f AR |
1124 | } |
1125 | ||
b3243e6f AR |
1126 | argv[skip_args] = fdStr; |
1127 | ||
411bf4a4 PE |
1128 | fcntl (daemon_pipe[0], F_SETFD, 0); |
1129 | fcntl (daemon_pipe[1], F_SETFD, 0); | |
5257b701 | 1130 | execvp (argv[0], argv); |
4ebbdd67 | 1131 | emacs_perror (argv[0]); |
29be4a50 | 1132 | exit (errno == ENOENT ? EXIT_ENOENT : EXIT_CANNOT_INVOKE); |
b3243e6f AR |
1133 | } |
1134 | ||
cfa6accb | 1135 | /* In exec'd: parse special dname into pipe and name info. */ |
b3243e6f AR |
1136 | if (!dname_arg || !strchr (dname_arg, '\n') |
1137 | || strlen (dname_arg) < 1 || strlen (dname_arg) > 70) | |
1138 | { | |
1139 | fprintf (stderr, "emacs daemon: daemon name absent or too long\n"); | |
4ebbdd67 | 1140 | exit (EXIT_CANNOT_INVOKE); |
b3243e6f AR |
1141 | } |
1142 | dname_arg2[0] = '\0'; | |
1143 | sscanf (dname_arg, "\n%d,%d\n%s", &(daemon_pipe[0]), &(daemon_pipe[1]), | |
1144 | dname_arg2); | |
0b963a93 | 1145 | dname_arg = *dname_arg2 ? dname_arg2 : NULL; |
45bd2734 | 1146 | fcntl (daemon_pipe[1], F_SETFD, FD_CLOEXEC); |
b3243e6f | 1147 | } |
ce9f00e4 | 1148 | #endif /* DAEMON_MUST_EXEC */ |
b3243e6f | 1149 | |
4ff029f6 DN |
1150 | if (dname_arg) |
1151 | daemon_name = xstrdup (dname_arg); | |
5790ef40 | 1152 | /* Close unused reading end of the pipe. */ |
bacba3c2 | 1153 | emacs_close (daemon_pipe[0]); |
7c19d3ae | 1154 | |
5e617bc2 | 1155 | setsid (); |
eab2ee89 | 1156 | #else /* DOS_NT */ |
9d29095c DN |
1157 | fprintf (stderr, "This platform does not support the -daemon flag.\n"); |
1158 | exit (1); | |
eab2ee89 | 1159 | #endif /* DOS_NT */ |
9d29095c | 1160 | } |
eab2ee89 | 1161 | |
8f43ce49 | 1162 | #if defined HAVE_PTHREAD && !defined SYSTEM_MALLOC && !defined DOUG_LEA_MALLOC |
2c1c974b PE |
1163 | # ifndef CANNOT_DUMP |
1164 | /* Do not make gmalloc thread-safe when creating bootstrap-emacs, as | |
1165 | that causes an infinite recursive loop with FreeBSD. But do make | |
1166 | it thread-safe when creating emacs, otherwise bootstrap-emacs | |
1167 | fails on Cygwin. See Bug#14569. */ | |
1168 | if (!noninteractive || initialized) | |
1169 | # endif | |
1170 | malloc_enable_thread (); | |
322aea6d | 1171 | #endif |
edb85f59 | 1172 | |
4d7e6e51 | 1173 | init_signals (dumping); |
f927c5ae JB |
1174 | |
1175 | noninteractive1 = noninteractive; | |
1176 | ||
cf4bb06d | 1177 | /* Perform basic initializations (not merely interning symbols). */ |
f927c5ae JB |
1178 | |
1179 | if (!initialized) | |
1180 | { | |
d1c3da7b BT |
1181 | /* scm_c_module_define (scm_c_resolve_module ("language elisp lexer"), */ |
1182 | /* "make-lisp-string", */ | |
1183 | /* scm_c_make_gsubr ("make-lisp-string", 1, 0, 0, */ | |
1184 | /* string_from_scheme)); */ | |
1185 | (void *) scm_c_resolve_module ("language elisp spec"); | |
1186 | symbol_module = scm_c_resolve_module ("elisp-symbols"); | |
1187 | function_module = scm_c_resolve_module ("elisp-functions"); | |
1188 | plist_module = scm_c_resolve_module ("elisp-plists"); | |
1189 | scm_set_current_module (scm_c_resolve_module ("guile-user")); | |
29418031 | 1190 | |
f927c5ae | 1191 | init_alloc_once (); |
d1c3da7b BT |
1192 | scm_c_module_define (scm_c_resolve_module ("language elisp lexer"), |
1193 | "make-lisp-string", | |
1194 | scm_c_make_gsubr ("make-lisp-string", 1, 0, 0, | |
1195 | string_from_scheme)); | |
6376ba30 | 1196 | init_guile (); |
42808ce3 | 1197 | init_fns_once (); |
f927c5ae JB |
1198 | init_obarray (); |
1199 | init_eval_once (); | |
270ce821 KH |
1200 | init_charset_once (); |
1201 | init_coding_once (); | |
f927c5ae | 1202 | init_syntax_once (); /* Create standard syntax table. */ |
270ce821 | 1203 | init_category_once (); /* Create standard category table. */ |
cf4bb06d | 1204 | init_casetab_once (); /* Must be done before init_buffer_once. */ |
7db35a48 PJ |
1205 | init_buffer_once (); /* Create buffer table and some buffers. */ |
1206 | init_minibuf_once (); /* Create list of minibuffers. */ | |
1207 | /* Must precede init_window_once. */ | |
1208 | ||
62947569 BT |
1209 | /* Called before syms_of_fileio, because it sets up |
1210 | Qerror_condition. Called before other symbol-initialization | |
1211 | functions because it sets up symbols used by defsubr. */ | |
1212 | syms_of_data (); | |
1213 | ||
d1c3da7b BT |
1214 | scm_call_7 (scm_c_public_ref ("language elisp runtime", "emacs!"), |
1215 | SYMBOL_FUNCTION (intern ("symbol-value")), | |
1216 | SYMBOL_FUNCTION (intern ("set")), | |
1217 | SYMBOL_FUNCTION (intern ("boundp")), | |
1218 | SYMBOL_FUNCTION (intern ("default-value")), | |
1219 | SYMBOL_FUNCTION (intern ("set-default")), | |
1220 | SYMBOL_FUNCTION (intern ("default-boundp")), | |
1221 | SYMBOL_FUNCTION (intern ("bind-symbol"))); | |
1222 | ||
90d920b6 GM |
1223 | /* Call syms_of_xfaces before init_window_once because that |
1224 | function creates Vterminal_frame. Termcap frames now use | |
1225 | faces, and the face implementation uses some symbols as | |
1226 | face names. */ | |
90d920b6 | 1227 | syms_of_xfaces (); |
4ea81208 KL |
1228 | /* XXX syms_of_keyboard uses some symbols in keymap.c. It would |
1229 | be better to arrange things not to have this dependency. */ | |
1230 | syms_of_keymap (); | |
7a18af49 KR |
1231 | /* Call syms_of_keyboard before init_window_once because |
1232 | keyboard sets up symbols that include some face names that | |
1233 | the X support will want to use. This can happen when | |
1234 | CANNOT_DUMP is defined. */ | |
1235 | syms_of_keyboard (); | |
90d920b6 | 1236 | |
b7432bb2 | 1237 | syms_of_fns (); /* Before syms_of_charset which uses hashtables. */ |
985773c9 MB |
1238 | syms_of_fileio (); |
1239 | /* Before syms_of_coding to initialize Vgc_cons_threshold. */ | |
1240 | syms_of_alloc (); | |
cf4bb06d DA |
1241 | /* May call Ffuncall and so GC, thus the latter should be initialized. */ |
1242 | init_print_once (); | |
985773c9 MB |
1243 | /* Before syms_of_coding because it initializes Qcharsetp. */ |
1244 | syms_of_charset (); | |
1245 | /* Before init_window_once, because it sets up the | |
1246 | Vcoding_system_hash_table. */ | |
1247 | syms_of_coding (); /* This should be after syms_of_fileio. */ | |
1a578e9b | 1248 | |
7db35a48 | 1249 | init_window_once (); /* Init the window system. */ |
6b61353c | 1250 | #ifdef HAVE_WINDOW_SYSTEM |
b7432bb2 | 1251 | init_fringe_once (); /* Swap bitmaps if necessary. */ |
6b61353c | 1252 | #endif /* HAVE_WINDOW_SYSTEM */ |
f927c5ae JB |
1253 | } |
1254 | ||
1255 | init_alloc (); | |
68c45bf0 PE |
1256 | |
1257 | if (do_initial_setlocale) | |
1258 | { | |
1259 | fixup_locale (); | |
ca9c0567 PE |
1260 | Vsystem_messages_locale = Vprevious_system_messages_locale; |
1261 | Vsystem_time_locale = Vprevious_system_time_locale; | |
68c45bf0 PE |
1262 | } |
1263 | ||
f927c5ae | 1264 | init_eval (); |
ab5d0358 | 1265 | init_atimer (); |
7074fde6 | 1266 | running_asynch_code = 0; |
0e23ef9d | 1267 | init_random (); |
0e956009 | 1268 | |
956e3c7e | 1269 | no_loadup |
b96f9fb7 | 1270 | = argmatch (argv, argc, "-nl", "--no-loadup", 6, NULL, &skip_args); |
956e3c7e | 1271 | |
66b7b0fe GM |
1272 | no_site_lisp |
1273 | = argmatch (argv, argc, "-nsl", "--no-site-lisp", 11, NULL, &skip_args); | |
1274 | ||
edfda783 | 1275 | #ifdef HAVE_NS |
204ee57f | 1276 | ns_pool = ns_alloc_autorelease_pool (); |
40f18bf3 | 1277 | #ifdef NS_IMPL_GNUSTEP |
a6c4680a | 1278 | /* GNUstep stupidly resets our locale settings after we made them. */ |
40f18bf3 JD |
1279 | fixup_locale (); |
1280 | #endif | |
1281 | ||
edfda783 AR |
1282 | if (!noninteractive) |
1283 | { | |
edfda783 | 1284 | #ifdef NS_IMPL_COCOA |
a9f8deec JD |
1285 | /* Started from GUI? */ |
1286 | /* FIXME: Do the right thing if getenv returns NULL, or if | |
1287 | chdir fails. */ | |
1288 | if (! inhibit_window_system && ! isatty (0)) | |
1289 | chdir (getenv ("HOME")); | |
edfda783 AR |
1290 | if (skip_args < argc) |
1291 | { | |
5e617bc2 | 1292 | if (!strncmp (argv[skip_args], "-psn", 4)) |
edfda783 AR |
1293 | { |
1294 | skip_args += 1; | |
3d0a4431 | 1295 | chdir (getenv ("HOME")); |
edfda783 | 1296 | } |
5e617bc2 | 1297 | else if (skip_args+1 < argc && !strncmp (argv[skip_args+1], "-psn", 4)) |
edfda783 | 1298 | { |
95889848 | 1299 | skip_args += 2; |
3d0a4431 | 1300 | chdir (getenv ("HOME")); |
edfda783 AR |
1301 | } |
1302 | } | |
9b68317c | 1303 | #endif /* COCOA */ |
edfda783 AR |
1304 | } |
1305 | #endif /* HAVE_NS */ | |
1306 | ||
956e3c7e RS |
1307 | #ifdef HAVE_X_WINDOWS |
1308 | /* Stupid kludge to catch command-line display spec. We can't | |
1309 | handle this argument entirely in window system dependent code | |
1310 | because we don't even know which window system dependent code | |
1311 | to run until we've recognized this argument. */ | |
1312 | { | |
1313 | char *displayname = 0; | |
956e3c7e RS |
1314 | int count_before = skip_args; |
1315 | ||
1316 | /* Skip any number of -d options, but only use the last one. */ | |
1317 | while (1) | |
1318 | { | |
1319 | int count_before_this = skip_args; | |
1320 | ||
1321 | if (argmatch (argv, argc, "-d", "--display", 3, &displayname, &skip_args)) | |
1322 | display_arg = 1; | |
1323 | else if (argmatch (argv, argc, "-display", 0, 3, &displayname, &skip_args)) | |
1324 | display_arg = 1; | |
1325 | else | |
1326 | break; | |
1327 | ||
1328 | count_before = count_before_this; | |
1329 | } | |
1330 | ||
1331 | /* If we have the form --display=NAME, | |
1332 | convert it into -d name. | |
1333 | This requires inserting a new element into argv. */ | |
0065d054 | 1334 | if (displayname && count_before < skip_args) |
956e3c7e | 1335 | { |
0065d054 PE |
1336 | if (skip_args == count_before + 1) |
1337 | { | |
1338 | memmove (argv + count_before + 3, argv + count_before + 2, | |
1339 | (argc - (count_before + 2)) * sizeof *argv); | |
1340 | argv[count_before + 2] = displayname; | |
1341 | argc++; | |
1342 | } | |
1343 | argv[count_before + 1] = (char *) "-d"; | |
956e3c7e | 1344 | } |
956e3c7e | 1345 | |
66b7b0fe GM |
1346 | if (! no_site_lisp) |
1347 | { | |
1348 | if (argmatch (argv, argc, "-Q", "--quick", 3, NULL, &skip_args) | |
1349 | || argmatch (argv, argc, "-quick", 0, 2, NULL, &skip_args)) | |
1350 | no_site_lisp = 1; | |
1351 | } | |
1352 | ||
956e3c7e RS |
1353 | /* Don't actually discard this arg. */ |
1354 | skip_args = count_before; | |
1355 | } | |
66b7b0fe GM |
1356 | #else /* !HAVE_X_WINDOWS */ |
1357 | if (! no_site_lisp) | |
1358 | { | |
1359 | int count_before = skip_args; | |
1360 | ||
1361 | if (argmatch (argv, argc, "-Q", "--quick", 3, NULL, &skip_args) | |
1362 | || argmatch (argv, argc, "-quick", 0, 2, NULL, &skip_args)) | |
1363 | no_site_lisp = 1; | |
1364 | ||
1365 | skip_args = count_before; | |
1366 | } | |
956e3c7e RS |
1367 | #endif |
1368 | ||
1369 | /* argmatch must not be used after here, | |
91af3942 | 1370 | except when building temacs |
956e3c7e RS |
1371 | because the -d argument has not been skipped in skip_args. */ |
1372 | ||
29b89fe0 RS |
1373 | #ifdef MSDOS |
1374 | /* Call early 'cause init_environment needs it. */ | |
1375 | init_dosfns (); | |
1376 | /* Set defaults for several environment variables. */ | |
18198bb2 RS |
1377 | if (initialized) |
1378 | init_environment (argc, argv, skip_args); | |
1379 | else | |
d1fc6752 | 1380 | tzset (); |
18198bb2 | 1381 | #endif /* MSDOS */ |
29b89fe0 | 1382 | |
90db8702 MA |
1383 | #ifdef HAVE_GFILENOTIFY |
1384 | globals_of_gfilenotify (); | |
1385 | #endif | |
1386 | ||
8ba50e1a | 1387 | #ifdef WINDOWSNT |
9785d95b | 1388 | globals_of_w32 (); |
c9628c79 | 1389 | #ifdef HAVE_W32NOTIFY |
37a4dabe | 1390 | globals_of_w32notify (); |
c9628c79 | 1391 | #endif |
8ba50e1a | 1392 | /* Initialize environment from registry settings. */ |
a3a58294 | 1393 | init_environment (argv); |
16b22fef | 1394 | init_ntproc (dumping); /* must precede init_editfns. */ |
8ba50e1a GV |
1395 | #endif |
1396 | ||
8b4eb796 KR |
1397 | /* Initialize and GC-protect Vinitial_environment and |
1398 | Vprocess_environment before set_initial_environment fills them | |
1399 | in. */ | |
1400 | if (!initialized) | |
1401 | syms_of_callproc (); | |
0e956009 JB |
1402 | /* egetenv is a pretty low-level facility, which may get called in |
1403 | many circumstances; it seems flimsy to put off initializing it | |
738db178 | 1404 | until calling init_callproc. Do not do it when dumping. */ |
4d7e6e51 | 1405 | if (! dumping) |
738db178 DN |
1406 | set_initial_environment (); |
1407 | ||
93aed04d | 1408 | /* AIX crashes are reported in system versions 3.2.3 and 3.2.4 |
5990851d KL |
1409 | if this is not done. Do it after set_global_environment so that we |
1410 | don't pollute Vglobal_environment. */ | |
fa09a82d | 1411 | /* Setting LANG here will defeat the startup locale processing... */ |
f2a77c3a | 1412 | #ifdef AIX |
5745a7df | 1413 | xputenv ("LANG=C"); |
93aed04d | 1414 | #endif |
0e956009 | 1415 | |
0bbb27fc EZ |
1416 | /* Init buffer storage and default directory of main buffer. */ |
1417 | init_buffer (initialized); | |
ace40a69 | 1418 | |
7928f0b5 | 1419 | init_callproc_1 (); /* Must precede init_cmdargs and init_sys_modes. */ |
a90e5a33 PE |
1420 | |
1421 | /* Must precede init_lread. */ | |
1422 | init_cmdargs (argc, argv, skip_args, original_pwd); | |
380e25b8 RS |
1423 | |
1424 | if (initialized) | |
1425 | { | |
7db35a48 | 1426 | /* Erase any pre-dump messages in the message log, to avoid confusion. */ |
380e25b8 RS |
1427 | Lisp_Object old_log_max; |
1428 | old_log_max = Vmessage_log_max; | |
1429 | XSETFASTINT (Vmessage_log_max, 0); | |
f6fe7bb5 | 1430 | message_dolog ("", 0, 1, 0); |
380e25b8 RS |
1431 | Vmessage_log_max = old_log_max; |
1432 | } | |
1433 | ||
7928f0b5 | 1434 | init_callproc (); /* Must follow init_cmdargs but not init_sys_modes. */ |
9fe43ff6 | 1435 | init_fileio (); |
fb8e9847 | 1436 | init_lread (); |
76151e2c EZ |
1437 | #ifdef WINDOWSNT |
1438 | /* Check to see if Emacs has been installed correctly. */ | |
1439 | check_windows_init_file (); | |
1440 | #endif | |
f927c5ae | 1441 | |
8bb697c0 RS |
1442 | /* Intern the names of all standard functions and variables; |
1443 | define standard keys. */ | |
f927c5ae JB |
1444 | |
1445 | if (!initialized) | |
1446 | { | |
4230ab74 KR |
1447 | /* The basic levels of Lisp must come first. Note that |
1448 | syms_of_data and some others have already been called. */ | |
e37d7195 | 1449 | syms_of_chartab (); |
fb8e9847 | 1450 | syms_of_lread (); |
f927c5ae JB |
1451 | syms_of_print (); |
1452 | syms_of_eval (); | |
f927c5ae | 1453 | syms_of_floatfns (); |
f927c5ae | 1454 | |
f927c5ae JB |
1455 | syms_of_buffer (); |
1456 | syms_of_bytecode (); | |
1457 | syms_of_callint (); | |
1458 | syms_of_casefiddle (); | |
1459 | syms_of_casetab (); | |
270ce821 KH |
1460 | syms_of_category (); |
1461 | syms_of_ccl (); | |
e37d7195 | 1462 | syms_of_character (); |
f927c5ae | 1463 | syms_of_cmds (); |
f927c5ae | 1464 | syms_of_dired (); |
f927c5ae JB |
1465 | syms_of_display (); |
1466 | syms_of_doc (); | |
1467 | syms_of_editfns (); | |
1468 | syms_of_emacs (); | |
f927c5ae | 1469 | syms_of_filelock (); |
f927c5ae | 1470 | syms_of_indent (); |
c2c5ed2c | 1471 | syms_of_insdel (); |
4ea81208 | 1472 | /* syms_of_keymap (); */ |
f927c5ae JB |
1473 | syms_of_macros (); |
1474 | syms_of_marker (); | |
1475 | syms_of_minibuf (); | |
f927c5ae | 1476 | syms_of_process (); |
f927c5ae | 1477 | syms_of_search (); |
1cbd5d9d | 1478 | syms_of_frame (); |
f927c5ae | 1479 | syms_of_syntax (); |
ed8dad6b | 1480 | syms_of_terminal (); |
0d934e7b | 1481 | syms_of_term (); |
f927c5ae | 1482 | syms_of_undo (); |
90d920b6 GM |
1483 | #ifdef HAVE_SOUND |
1484 | syms_of_sound (); | |
1485 | #endif | |
bef79ee4 | 1486 | syms_of_textprop (); |
9d100795 | 1487 | syms_of_composite (); |
05687c54 RS |
1488 | #ifdef WINDOWSNT |
1489 | syms_of_ntproc (); | |
1490 | #endif /* WINDOWSNT */ | |
3fc5e44a | 1491 | #if defined CYGWIN |
0fda9b75 | 1492 | syms_of_cygw32 (); |
a9e7a9d5 | 1493 | #endif |
f927c5ae JB |
1494 | syms_of_window (); |
1495 | syms_of_xdisp (); | |
d53f587b | 1496 | syms_of_font (); |
4fa9161d | 1497 | #ifdef HAVE_WINDOW_SYSTEM |
6b61353c KH |
1498 | syms_of_fringe (); |
1499 | syms_of_image (); | |
1500 | #endif /* HAVE_WINDOW_SYSTEM */ | |
f927c5ae | 1501 | #ifdef HAVE_X_WINDOWS |
72412588 | 1502 | syms_of_xterm (); |
f927c5ae | 1503 | syms_of_xfns (); |
edfda783 | 1504 | syms_of_xmenu (); |
270ce821 | 1505 | syms_of_fontset (); |
637fa988 | 1506 | syms_of_xsettings (); |
28b1b672 JD |
1507 | #ifdef HAVE_X_SM |
1508 | syms_of_xsmfns (); | |
1509 | #endif | |
72412588 JB |
1510 | #ifdef HAVE_X11 |
1511 | syms_of_xselect (); | |
1512 | #endif | |
f927c5ae JB |
1513 | #endif /* HAVE_X_WINDOWS */ |
1514 | ||
381408e2 LMI |
1515 | #ifdef HAVE_LIBXML2 |
1516 | syms_of_xml (); | |
1517 | #endif | |
1518 | ||
313546eb LMI |
1519 | #ifdef HAVE_ZLIB |
1520 | syms_of_decompress (); | |
1521 | #endif | |
1522 | ||
4e77ce60 | 1523 | syms_of_menu (); |
4e77ce60 | 1524 | |
8ba50e1a | 1525 | #ifdef HAVE_NTGUI |
fbd6baed GV |
1526 | syms_of_w32term (); |
1527 | syms_of_w32fns (); | |
fbd6baed | 1528 | syms_of_w32menu (); |
02062ac3 | 1529 | syms_of_fontset (); |
8ba50e1a GV |
1530 | #endif /* HAVE_NTGUI */ |
1531 | ||
a9e7a9d5 | 1532 | #if defined WINDOWSNT || defined HAVE_NTGUI |
0fda9b75 | 1533 | syms_of_w32select (); |
a9e7a9d5 | 1534 | #endif |
0fda9b75 | 1535 | |
40da1153 EZ |
1536 | #ifdef MSDOS |
1537 | syms_of_xmenu (); | |
5e617bc2 JB |
1538 | syms_of_dosfns (); |
1539 | syms_of_msdos (); | |
1540 | syms_of_win16select (); | |
40da1153 EZ |
1541 | #endif /* MSDOS */ |
1542 | ||
edfda783 AR |
1543 | #ifdef HAVE_NS |
1544 | syms_of_nsterm (); | |
1545 | syms_of_nsfns (); | |
1546 | syms_of_nsmenu (); | |
1547 | syms_of_nsselect (); | |
1548 | syms_of_fontset (); | |
1549 | #endif /* HAVE_NS */ | |
1550 | ||
8af55556 TZ |
1551 | #ifdef HAVE_GNUTLS |
1552 | syms_of_gnutls (); | |
1553 | #endif | |
1554 | ||
c9628c79 MA |
1555 | #ifdef HAVE_GFILENOTIFY |
1556 | syms_of_gfilenotify (); | |
1557 | #endif /* HAVE_GFILENOTIFY */ | |
1558 | ||
81606b10 RS |
1559 | #ifdef HAVE_INOTIFY |
1560 | syms_of_inotify (); | |
1561 | #endif /* HAVE_INOTIFY */ | |
1562 | ||
033b73e2 MA |
1563 | #ifdef HAVE_DBUS |
1564 | syms_of_dbusbind (); | |
1565 | #endif /* HAVE_DBUS */ | |
1566 | ||
2e31d424 DN |
1567 | #ifdef WINDOWSNT |
1568 | syms_of_ntterm (); | |
c9628c79 | 1569 | #ifdef HAVE_W32NOTIFY |
477f1e50 | 1570 | syms_of_w32notify (); |
c9628c79 | 1571 | #endif /* HAVE_W32NOTIFY */ |
2e31d424 | 1572 | #endif /* WINDOWSNT */ |
f927c5ae | 1573 | |
c2d7786e TM |
1574 | syms_of_profiler (); |
1575 | ||
f927c5ae JB |
1576 | keys_of_casefiddle (); |
1577 | keys_of_cmds (); | |
1578 | keys_of_buffer (); | |
1579 | keys_of_keyboard (); | |
1580 | keys_of_keymap (); | |
f927c5ae | 1581 | keys_of_window (); |
9785d95b | 1582 | } |
3b6536b1 | 1583 | else |
9785d95b | 1584 | { |
3b6536b1 AS |
1585 | /* Initialization that must be done even if the global variable |
1586 | initialized is non zero. */ | |
9785d95b | 1587 | #ifdef HAVE_NTGUI |
db4f02f2 | 1588 | globals_of_w32font (); |
9785d95b BK |
1589 | globals_of_w32fns (); |
1590 | globals_of_w32menu (); | |
3b6536b1 | 1591 | #endif /* HAVE_NTGUI */ |
0fda9b75 | 1592 | |
a9e7a9d5 | 1593 | #if defined WINDOWSNT || defined HAVE_NTGUI |
0fda9b75 | 1594 | globals_of_w32select (); |
a9e7a9d5 | 1595 | #endif |
f927c5ae JB |
1596 | } |
1597 | ||
cf411e8d KH |
1598 | init_charset (); |
1599 | ||
b82da769 GM |
1600 | init_editfns (); /* init_process_emacs uses Voperating_system_release. */ |
1601 | init_process_emacs (); /* init_display uses add_keyboard_wait_descriptor. */ | |
7db35a48 | 1602 | init_keyboard (); /* This too must precede init_sys_modes. */ |
0a125897 | 1603 | if (!noninteractive) |
7c2fb837 | 1604 | init_display (); /* Determine terminal type. Calls init_sys_modes. */ |
9c099ca7 EZ |
1605 | #if HAVE_W32NOTIFY |
1606 | else | |
1607 | init_crit (); /* w32notify.c needs this in batch mode. */ | |
1608 | #endif /* HAVE_W32NOTIFY */ | |
8bb697c0 | 1609 | init_xdisp (); |
6b61353c KH |
1610 | #ifdef HAVE_WINDOW_SYSTEM |
1611 | init_fringe (); | |
6b61353c | 1612 | #endif /* HAVE_WINDOW_SYSTEM */ |
8bb697c0 | 1613 | init_macros (); |
75816372 | 1614 | init_window (); |
74d75424 | 1615 | init_font (); |
087fc47a | 1616 | |
f927c5ae JB |
1617 | if (!initialized) |
1618 | { | |
e2925360 | 1619 | char *file; |
7db35a48 | 1620 | /* Handle -l loadup, args passed by Makefile. */ |
df6530f8 | 1621 | if (argmatch (argv, argc, "-l", "--load", 3, &file, &skip_args)) |
080fd649 EZ |
1622 | { |
1623 | #ifdef WINDOWSNT | |
1624 | char file_utf8[MAX_UTF8_PATH]; | |
1625 | ||
1626 | if (filename_from_ansi (file, file_utf8) == 0) | |
1627 | file = file_utf8; | |
1628 | #endif | |
1629 | Vtop_level = list2 (intern_c_string ("load"), | |
1630 | build_unibyte_string (file)); | |
1631 | } | |
f927c5ae | 1632 | /* Unless next switch is -nl, load "loadup.el" first thing. */ |
956e3c7e | 1633 | if (! no_loadup) |
6c6f1994 PE |
1634 | Vtop_level = list2 (intern_c_string ("load"), |
1635 | build_string ("loadup.el")); | |
f927c5ae JB |
1636 | } |
1637 | ||
93572b43 KH |
1638 | if (initialized) |
1639 | { | |
0269dedb RS |
1640 | #ifdef HAVE_TZSET |
1641 | { | |
1642 | /* If the execution TZ happens to be the same as the dump TZ, | |
1643 | change it to some other value and then change it back, | |
1644 | to force the underlying implementation to reload the TZ info. | |
1645 | This is needed on implementations that load TZ info from files, | |
1646 | since the TZ file contents may differ between dump and execution. */ | |
1647 | char *tz = getenv ("TZ"); | |
1648 | if (tz && !strcmp (tz, dump_tz)) | |
1649 | { | |
1650 | ++*tz; | |
1651 | tzset (); | |
1652 | --*tz; | |
1653 | } | |
1654 | } | |
1655 | #endif | |
93572b43 KH |
1656 | } |
1657 | ||
ecf783fa EZ |
1658 | /* Set up for profiling. This is known to work on FreeBSD, |
1659 | GNU/Linux and MinGW. It might work on some other systems too. | |
1660 | Give it a try and tell us if it works on your system. To compile | |
7b3a82d7 | 1661 | for profiling, use the configure option --enable-profiling. */ |
5e617bc2 | 1662 | #if defined (__FreeBSD__) || defined (GNU_LINUX) || defined (__MINGW32__) |
e610ea43 RS |
1663 | #ifdef PROFILING |
1664 | if (initialized) | |
1665 | { | |
ecf783fa EZ |
1666 | #ifdef __MINGW32__ |
1667 | extern unsigned char etext asm ("etext"); | |
1668 | #else | |
e610ea43 | 1669 | extern char etext; |
ecf783fa | 1670 | #endif |
67a5596f | 1671 | |
e610ea43 | 1672 | atexit (_mcleanup); |
9e4bf381 | 1673 | monstartup ((uintptr_t) __executable_start, (uintptr_t) &etext); |
e610ea43 RS |
1674 | } |
1675 | else | |
1676 | moncontrol (0); | |
1677 | #endif | |
1678 | #endif | |
1679 | ||
f927c5ae JB |
1680 | initialized = 1; |
1681 | ||
e7536cff RS |
1682 | #ifdef LOCALTIME_CACHE |
1683 | /* Some versions of localtime have a bug. They cache the value of the time | |
279cc2b8 JB |
1684 | zone rather than looking it up every time. Since localtime() is |
1685 | called to bolt the undumping time into the undumped emacs, this | |
afe9fae9 | 1686 | results in localtime ignoring the TZ environment variable. |
7db35a48 | 1687 | This flushes the new TZ value into localtime. */ |
afe9fae9 | 1688 | tzset (); |
e7536cff | 1689 | #endif /* defined (LOCALTIME_CACHE) */ |
279cc2b8 | 1690 | |
f927c5ae JB |
1691 | /* Enter editor command loop. This never returns. */ |
1692 | Frecursive_edit (); | |
1693 | /* NOTREACHED */ | |
6bbd7a29 | 1694 | return 0; |
f927c5ae JB |
1695 | } |
1696 | \f | |
081bef73 RS |
1697 | /* Sort the args so we can find the most important ones |
1698 | at the beginning of argv. */ | |
1699 | ||
1700 | /* First, here's a table of all the standard options. */ | |
1701 | ||
1702 | struct standard_args | |
1703 | { | |
5e2327cf DN |
1704 | const char *name; |
1705 | const char *longname; | |
081bef73 RS |
1706 | int priority; |
1707 | int nargs; | |
1708 | }; | |
1709 | ||
35f08c38 | 1710 | static const struct standard_args standard_args[] = |
081bef73 | 1711 | { |
05922407 | 1712 | { "-version", "--version", 150, 0 }, |
f63d0028 | 1713 | { "-chdir", "--chdir", 130, 1 }, |
05922407 | 1714 | { "-t", "--terminal", 120, 1 }, |
400d6fa9 | 1715 | { "-nw", "--no-window-system", 110, 0 }, |
05922407 RS |
1716 | { "-nw", "--no-windows", 110, 0 }, |
1717 | { "-batch", "--batch", 100, 0 }, | |
6e910e07 | 1718 | { "-script", "--script", 100, 1 }, |
eab2ee89 | 1719 | { "-daemon", "--daemon", 99, 0 }, |
05922407 | 1720 | { "-help", "--help", 90, 0 }, |
956e3c7e | 1721 | { "-nl", "--no-loadup", 70, 0 }, |
66b7b0fe | 1722 | { "-nsl", "--no-site-lisp", 65, 0 }, |
956e3c7e RS |
1723 | /* -d must come last before the options handled in startup.el. */ |
1724 | { "-d", "--display", 60, 1 }, | |
1725 | { "-display", 0, 60, 1 }, | |
4fe22cdf | 1726 | /* Now for the options handled in `command-line' (startup.el). */ |
66b7b0fe | 1727 | /* (Note that to imply -nsl, -Q is partially handled here.) */ |
a1716a57 RS |
1728 | { "-Q", "--quick", 55, 0 }, |
1729 | { "-quick", 0, 55, 0 }, | |
081bef73 RS |
1730 | { "-q", "--no-init-file", 50, 0 }, |
1731 | { "-no-init-file", 0, 50, 0 }, | |
1732 | { "-no-site-file", "--no-site-file", 40, 0 }, | |
1733 | { "-u", "--user", 30, 1 }, | |
1734 | { "-user", 0, 30, 1 }, | |
1735 | { "-debug-init", "--debug-init", 20, 0 }, | |
f2bc3538 | 1736 | { "-iconic", "--iconic", 15, 0 }, |
a1716a57 | 1737 | { "-D", "--basic-display", 12, 0}, |
e09b9180 | 1738 | { "-basic-display", 0, 12, 0}, |
4fe22cdf CY |
1739 | { "-nbc", "--no-blinking-cursor", 12, 0 }, |
1740 | /* Now for the options handled in `command-line-1' (startup.el). */ | |
1741 | { "-nbi", "--no-bitmap-icon", 10, 0 }, | |
081bef73 RS |
1742 | { "-bg", "--background-color", 10, 1 }, |
1743 | { "-background", 0, 10, 1 }, | |
1744 | { "-fg", "--foreground-color", 10, 1 }, | |
1745 | { "-foreground", 0, 10, 1 }, | |
1746 | { "-bd", "--border-color", 10, 1 }, | |
1747 | { "-bw", "--border-width", 10, 1 }, | |
1748 | { "-ib", "--internal-border", 10, 1 }, | |
1749 | { "-ms", "--mouse-color", 10, 1 }, | |
1750 | { "-cr", "--cursor-color", 10, 1 }, | |
1751 | { "-fn", "--font", 10, 1 }, | |
1752 | { "-font", 0, 10, 1 }, | |
94452530 EZ |
1753 | { "-fs", "--fullscreen", 10, 0 }, |
1754 | { "-fw", "--fullwidth", 10, 0 }, | |
1755 | { "-fh", "--fullheight", 10, 0 }, | |
3f1c6666 | 1756 | { "-mm", "--maximized", 10, 0 }, |
081bef73 RS |
1757 | { "-g", "--geometry", 10, 1 }, |
1758 | { "-geometry", 0, 10, 1 }, | |
1759 | { "-T", "--title", 10, 1 }, | |
ae63ae52 | 1760 | { "-title", 0, 10, 1 }, |
081bef73 RS |
1761 | { "-name", "--name", 10, 1 }, |
1762 | { "-xrm", "--xrm", 10, 1 }, | |
1540a61a | 1763 | { "-parent-id", "--parent-id", 10, 1 }, |
fcdeb5d9 RS |
1764 | { "-r", "--reverse-video", 5, 0 }, |
1765 | { "-rv", 0, 5, 0 }, | |
1766 | { "-reverse", 0, 5, 0 }, | |
ae63ae52 | 1767 | { "-hb", "--horizontal-scroll-bars", 5, 0 }, |
fcdeb5d9 | 1768 | { "-vb", "--vertical-scroll-bars", 5, 0 }, |
d20e1b1e | 1769 | { "-color", "--color", 5, 0}, |
16706228 JL |
1770 | { "-no-splash", "--no-splash", 3, 0 }, |
1771 | { "-no-desktop", "--no-desktop", 3, 0 }, | |
edfda783 AR |
1772 | #ifdef HAVE_NS |
1773 | { "-NSAutoLaunch", 0, 5, 1 }, | |
1774 | { "-NXAutoLaunch", 0, 5, 1 }, | |
edfda783 AR |
1775 | { "-_NSMachLaunch", 0, 85, 1 }, |
1776 | { "-MachLaunch", 0, 85, 1 }, | |
1777 | { "-macosx", 0, 85, 0 }, | |
1778 | { "-NSHost", 0, 85, 1 }, | |
1779 | #endif | |
fcdeb5d9 RS |
1780 | /* These have the same priority as ordinary file name args, |
1781 | so they are not reordered with respect to those. */ | |
4af9e0b3 RS |
1782 | { "-L", "--directory", 0, 1 }, |
1783 | { "-directory", 0, 0, 1 }, | |
fcdeb5d9 RS |
1784 | { "-l", "--load", 0, 1 }, |
1785 | { "-load", 0, 0, 1 }, | |
21a4ff8e GM |
1786 | /* This has no longname, because using --scriptload confuses sort_args, |
1787 | because then the --script long option seems to match twice; ie | |
1788 | you can't have a long option which is a prefix of another long | |
1789 | option. In any case, this is entirely an internal option. */ | |
1790 | { "-scriptload", NULL, 0, 1 }, | |
fcdeb5d9 RS |
1791 | { "-f", "--funcall", 0, 1 }, |
1792 | { "-funcall", 0, 0, 1 }, | |
575985b1 | 1793 | { "-eval", "--eval", 0, 1 }, |
67a5596f | 1794 | { "-execute", "--execute", 0, 1 }, |
2e13f8e9 RS |
1795 | { "-find-file", "--find-file", 0, 1 }, |
1796 | { "-visit", "--visit", 0, 1 }, | |
67a5596f | 1797 | { "-file", "--file", 0, 1 }, |
fcdeb5d9 | 1798 | { "-insert", "--insert", 0, 1 }, |
edfda783 AR |
1799 | #ifdef HAVE_NS |
1800 | { "-NXOpen", 0, 0, 1 }, | |
1801 | { "-NXOpenTemp", 0, 0, 1 }, | |
1802 | { "-NSOpen", 0, 0, 1 }, | |
1803 | { "-NSOpenTemp", 0, 0, 1 }, | |
1804 | { "-GSFilePath", 0, 0, 1 }, | |
1805 | #endif | |
f2bc3538 | 1806 | /* This should be processed after ordinary file name args and the like. */ |
fcdeb5d9 | 1807 | { "-kill", "--kill", -10, 0 }, |
081bef73 RS |
1808 | }; |
1809 | ||
1810 | /* Reorder the elements of ARGV (assumed to have ARGC elements) | |
1811 | so that the highest priority ones come first. | |
1812 | Do not change the order of elements of equal priority. | |
956e3c7e RS |
1813 | If an option takes an argument, keep it and its argument together. |
1814 | ||
1815 | If an option that takes no argument appears more | |
1816 | than once, eliminate all but one copy of it. */ | |
081bef73 RS |
1817 | |
1818 | static void | |
dd4c5104 | 1819 | sort_args (int argc, char **argv) |
081bef73 | 1820 | { |
38182d90 | 1821 | char **new = xmalloc (argc * sizeof *new); |
081bef73 RS |
1822 | /* For each element of argv, |
1823 | the corresponding element of options is: | |
1824 | 0 for an option that takes no arguments, | |
1825 | 1 for an option that takes one argument, etc. | |
1826 | -1 for an ordinary non-option argument. */ | |
c1ade6f7 RT |
1827 | int *options = xnmalloc_atomic (argc, sizeof *options); |
1828 | int *priority = xnmalloc_atomic (argc, sizeof *priority); | |
081bef73 | 1829 | int to = 1; |
956e3c7e | 1830 | int incoming_used = 1; |
081bef73 RS |
1831 | int from; |
1832 | int i; | |
1833 | ||
1834 | /* Categorize all the options, | |
1835 | and figure out which argv elts are option arguments. */ | |
1836 | for (from = 1; from < argc; from++) | |
1837 | { | |
1838 | options[from] = -1; | |
fcdeb5d9 | 1839 | priority[from] = 0; |
081bef73 RS |
1840 | if (argv[from][0] == '-') |
1841 | { | |
0b963a93 | 1842 | int match; |
081bef73 | 1843 | |
c96f26f4 RS |
1844 | /* If we have found "--", don't consider |
1845 | any more arguments as options. */ | |
249443b6 | 1846 | if (argv[from][1] == '-' && argv[from][2] == 0) |
c96f26f4 RS |
1847 | { |
1848 | /* Leave the "--", and everything following it, at the end. */ | |
1849 | for (; from < argc; from++) | |
1850 | { | |
1851 | priority[from] = -100; | |
1852 | options[from] = -1; | |
1853 | } | |
1854 | break; | |
1855 | } | |
1856 | ||
081bef73 | 1857 | /* Look for a match with a known old-fashioned option. */ |
c72d972c | 1858 | for (i = 0; i < ARRAYELTS (standard_args); i++) |
081bef73 RS |
1859 | if (!strcmp (argv[from], standard_args[i].name)) |
1860 | { | |
1861 | options[from] = standard_args[i].nargs; | |
1862 | priority[from] = standard_args[i].priority; | |
fd76ec52 RS |
1863 | if (from + standard_args[i].nargs >= argc) |
1864 | fatal ("Option `%s' requires an argument\n", argv[from]); | |
081bef73 RS |
1865 | from += standard_args[i].nargs; |
1866 | goto done; | |
1867 | } | |
1868 | ||
1869 | /* Look for a match with a known long option. | |
1870 | MATCH is -1 if no match so far, -2 if two or more matches so far, | |
1871 | >= 0 (the table index of the match) if just one match so far. */ | |
1872 | if (argv[from][1] == '-') | |
1873 | { | |
0b963a93 PE |
1874 | char const *equals = strchr (argv[from], '='); |
1875 | ptrdiff_t thislen = | |
1876 | equals ? equals - argv[from] : strlen (argv[from]); | |
1877 | ||
081bef73 | 1878 | match = -1; |
081bef73 | 1879 | |
c72d972c | 1880 | for (i = 0; i < ARRAYELTS (standard_args); i++) |
f609ef57 KH |
1881 | if (standard_args[i].longname |
1882 | && !strncmp (argv[from], standard_args[i].longname, | |
1883 | thislen)) | |
081bef73 RS |
1884 | { |
1885 | if (match == -1) | |
1886 | match = i; | |
1887 | else | |
1888 | match = -2; | |
1889 | } | |
1890 | ||
1891 | /* If we found exactly one match, use that. */ | |
1892 | if (match >= 0) | |
1893 | { | |
1894 | options[from] = standard_args[match].nargs; | |
1895 | priority[from] = standard_args[match].priority; | |
1896 | /* If --OPTION=VALUE syntax is used, | |
1897 | this option uses just one argv element. */ | |
1898 | if (equals != 0) | |
1899 | options[from] = 0; | |
fd76ec52 RS |
1900 | if (from + options[from] >= argc) |
1901 | fatal ("Option `%s' requires an argument\n", argv[from]); | |
081bef73 RS |
1902 | from += options[from]; |
1903 | } | |
a09a5b5b GM |
1904 | /* FIXME When match < 0, shouldn't there be some error, |
1905 | or at least indication to the user that there was a | |
1906 | problem? */ | |
081bef73 RS |
1907 | } |
1908 | done: ; | |
1909 | } | |
1910 | } | |
1911 | ||
1912 | /* Copy the arguments, in order of decreasing priority, to NEW. */ | |
1913 | new[0] = argv[0]; | |
956e3c7e | 1914 | while (incoming_used < argc) |
081bef73 RS |
1915 | { |
1916 | int best = -1; | |
2c70c992 | 1917 | int best_priority = -9999; |
081bef73 RS |
1918 | |
1919 | /* Find the highest priority remaining option. | |
1920 | If several have equal priority, take the first of them. */ | |
1921 | for (from = 1; from < argc; from++) | |
1922 | { | |
1923 | if (argv[from] != 0 && priority[from] > best_priority) | |
1924 | { | |
1925 | best_priority = priority[from]; | |
1926 | best = from; | |
1927 | } | |
1928 | /* Skip option arguments--they are tied to the options. */ | |
1929 | if (options[from] > 0) | |
1930 | from += options[from]; | |
1931 | } | |
7db35a48 | 1932 | |
081bef73 | 1933 | if (best < 0) |
1088b922 | 1934 | emacs_abort (); |
081bef73 | 1935 | |
956e3c7e RS |
1936 | /* Copy the highest priority remaining option, with its args, to NEW. |
1937 | Unless it is a duplicate of the previous one. */ | |
1938 | if (! (options[best] == 0 | |
1939 | && ! strcmp (new[to - 1], argv[best]))) | |
1940 | { | |
1941 | new[to++] = argv[best]; | |
1942 | for (i = 0; i < options[best]; i++) | |
1943 | new[to++] = argv[best + i + 1]; | |
1944 | } | |
1945 | ||
1946 | incoming_used += 1 + (options[best] > 0 ? options[best] : 0); | |
081bef73 RS |
1947 | |
1948 | /* Clear out this option in ARGV. */ | |
1949 | argv[best] = 0; | |
1950 | for (i = 0; i < options[best]; i++) | |
1951 | argv[best + i + 1] = 0; | |
1952 | } | |
1953 | ||
81b7af72 RS |
1954 | /* If duplicate options were deleted, fill up extra space with null ptrs. */ |
1955 | while (to < argc) | |
1956 | new[to++] = 0; | |
1957 | ||
72af86bd | 1958 | memcpy (argv, new, sizeof (char *) * argc); |
0bf591da | 1959 | |
68db37aa KS |
1960 | xfree (options); |
1961 | xfree (new); | |
1962 | xfree (priority); | |
081bef73 RS |
1963 | } |
1964 | \f | |
a7ca3326 | 1965 | DEFUN ("kill-emacs", Fkill_emacs, Skill_emacs, 0, 1, "P", |
7db35a48 PJ |
1966 | doc: /* Exit the Emacs job and kill it. |
1967 | If ARG is an integer, return ARG as the exit program code. | |
b224de9b | 1968 | If ARG is a string, stuff it as keyboard input. |
7db35a48 | 1969 | |
9c524fcb | 1970 | This function is called upon receipt of the signals SIGTERM |
383ebd15 | 1971 | or SIGHUP, and upon SIGINT in batch mode. |
9c524fcb | 1972 | |
7db35a48 PJ |
1973 | The value of `kill-emacs-hook', if not void, |
1974 | is a list of functions (of no args), | |
1975 | all of which are called before Emacs is actually killed. */) | |
5842a27b | 1976 | (Lisp_Object arg) |
f927c5ae | 1977 | { |
f927c5ae | 1978 | struct gcpro gcpro1; |
8eca8a7c | 1979 | int exit_code; |
f927c5ae JB |
1980 | |
1981 | GCPRO1 (arg); | |
1982 | ||
1983 | if (feof (stdin)) | |
1984 | arg = Qt; | |
1985 | ||
73c14218 CY |
1986 | /* Fsignal calls emacs_abort () if it sees that waiting_for_input is |
1987 | set. */ | |
1988 | waiting_for_input = 0; | |
1989 | Frun_hooks (1, &Qkill_emacs_hook); | |
f927c5ae JB |
1990 | UNGCPRO; |
1991 | ||
1dd3c2d9 CY |
1992 | #ifdef HAVE_X_WINDOWS |
1993 | /* Transfer any clipboards we own to the clipboard manager. */ | |
1994 | x_clipboard_manager_save_all (); | |
1995 | #endif | |
1996 | ||
1882aa38 | 1997 | shut_down_emacs (0, STRINGP (arg) ? arg : Qnil); |
40be253a | 1998 | |
204ee57f JD |
1999 | #ifdef HAVE_NS |
2000 | ns_release_autorelease_pool (ns_pool); | |
2001 | #endif | |
2002 | ||
58545838 KH |
2003 | /* If we have an auto-save list file, |
2004 | kill it because we are exiting Emacs deliberately (not crashing). | |
2005 | Do it after shut_down_emacs, which does an auto-save. */ | |
2006 | if (STRINGP (Vauto_save_list_file_name)) | |
24827db9 JB |
2007 | { |
2008 | Lisp_Object listfile; | |
2009 | listfile = Fexpand_file_name (Vauto_save_list_file_name, Qnil); | |
2010 | unlink (SSDATA (listfile)); | |
2011 | } | |
58545838 | 2012 | |
5895d7b9 PE |
2013 | if (INTEGERP (arg)) |
2014 | exit_code = (XINT (arg) < 0 | |
2015 | ? XINT (arg) | INT_MIN | |
2016 | : XINT (arg) & INT_MAX); | |
d311d28c | 2017 | else |
5895d7b9 PE |
2018 | exit_code = EXIT_SUCCESS; |
2019 | exit (exit_code); | |
f927c5ae | 2020 | } |
40be253a JB |
2021 | |
2022 | ||
2023 | /* Perform an orderly shutdown of Emacs. Autosave any modified | |
2024 | buffers, kill any child processes, clean up the terminal modes (if | |
2025 | we're in the foreground), and other stuff like that. Don't perform | |
2026 | any redisplay; this may be called when Emacs is shutting down in | |
2027 | the background, or after its X connection has died. | |
2028 | ||
2029 | If SIG is a signal number, print a message for it. | |
2030 | ||
2031 | This is called by fatal signal handlers, X protocol error handlers, | |
2032 | and Fkill_emacs. */ | |
f7ab4e3d | 2033 | |
40be253a | 2034 | void |
1882aa38 | 2035 | shut_down_emacs (int sig, Lisp_Object stuff) |
40be253a | 2036 | { |
829d872b RS |
2037 | /* Prevent running of hooks from now on. */ |
2038 | Vrun_hooks = Qnil; | |
2039 | ||
9db03f6c KS |
2040 | /* Don't update display from now on. */ |
2041 | Vinhibit_redisplay = Qt; | |
2042 | ||
7db35a48 | 2043 | /* If we are controlling the terminal, reset terminal modes. */ |
a7ebc409 | 2044 | #ifndef DOS_NT |
40be253a | 2045 | { |
dd0333b6 | 2046 | pid_t pgrp = getpgrp (); |
69deda53 | 2047 | pid_t tpgrp = tcgetpgrp (0); |
12e610e8 | 2048 | if ((tpgrp != -1) && tpgrp == pgrp) |
40be253a | 2049 | { |
28d440ab | 2050 | reset_all_sys_modes (); |
40be253a | 2051 | if (sig && sig != SIGTERM) |
01108e3f | 2052 | { |
703342f8 PE |
2053 | static char const format[] = "Fatal error %d: "; |
2054 | char buf[sizeof format - 2 + INT_STRLEN_BOUND (int)]; | |
2055 | int buflen = sprintf (buf, format, sig); | |
aa1ba90e | 2056 | char const *sig_desc = safe_strsignal (sig); |
4ebbdd67 PE |
2057 | emacs_write (STDERR_FILENO, buf, buflen); |
2058 | emacs_write (STDERR_FILENO, sig_desc, strlen (sig_desc)); | |
01108e3f | 2059 | } |
40be253a JB |
2060 | } |
2061 | } | |
2062 | #else | |
2063 | fflush (stdout); | |
0a125897 | 2064 | reset_all_sys_modes (); |
40be253a JB |
2065 | #endif |
2066 | ||
f7ab4e3d RS |
2067 | stuff_buffered_input (stuff); |
2068 | ||
92d835a4 | 2069 | inhibit_sentinels = 1; |
40be253a JB |
2070 | kill_buffer_processes (Qnil); |
2071 | Fdo_auto_save (Qt, Qnil); | |
2072 | ||
40be253a | 2073 | unlock_all_files (); |
40be253a | 2074 | |
40be253a JB |
2075 | /* There is a tendency for a SIGIO signal to arrive within exit, |
2076 | and cause a SIGHUP because the input descriptor is already closed. */ | |
4a4bbad2 | 2077 | ignore_sigio (); |
41f339d4 | 2078 | |
cd8d4168 GM |
2079 | /* Do this only if terminating normally, we want glyph matrices |
2080 | etc. in a core dump. */ | |
200f868e | 2081 | if (sig == 0 || sig == SIGTERM) |
cd8d4168 GM |
2082 | { |
2083 | check_glyph_memory (); | |
2084 | check_message_stack (); | |
2085 | } | |
90d920b6 | 2086 | |
d546e578 EZ |
2087 | #ifdef MSDOS |
2088 | dos_cleanup (); | |
2089 | #endif | |
edfda783 AR |
2090 | |
2091 | #ifdef HAVE_NS | |
2092 | ns_term_shutdown (sig); | |
2093 | #endif | |
fcb901a7 LMI |
2094 | |
2095 | #ifdef HAVE_LIBXML2 | |
9078ead6 | 2096 | xml_cleanup_parser (); |
fcb901a7 | 2097 | #endif |
f0e5f225 EZ |
2098 | |
2099 | #ifdef WINDOWSNT | |
2100 | term_ntproc (0); | |
2101 | #endif | |
40be253a JB |
2102 | } |
2103 | ||
2104 | ||
f927c5ae JB |
2105 | \f |
2106 | #ifndef CANNOT_DUMP | |
f927c5ae | 2107 | |
ce701a33 | 2108 | #include "unexec.h" |
dd5ecd6b | 2109 | |
f927c5ae | 2110 | DEFUN ("dump-emacs", Fdump_emacs, Sdump_emacs, 2, 2, 0, |
7db35a48 PJ |
2111 | doc: /* Dump current state of Emacs into executable file FILENAME. |
2112 | Take symbols from SYMFILE (presumably the file you executed to run Emacs). | |
2113 | This is used in the file `loadup.el' when building Emacs. | |
2114 | ||
2115 | You must run Emacs in batch mode in order to dump it. */) | |
5842a27b | 2116 | (Lisp_Object filename, Lisp_Object symfile) |
f927c5ae | 2117 | { |
f927c5ae | 2118 | Lisp_Object tem; |
1b7ddf4f | 2119 | Lisp_Object symbol; |
2bfa3d3e | 2120 | dynwind_begin (); |
4fab758d GM |
2121 | |
2122 | check_pure_size (); | |
f927c5ae | 2123 | |
87a98b1a RS |
2124 | if (! noninteractive) |
2125 | error ("Dumping Emacs works only in batch mode"); | |
2126 | ||
f58269c4 DC |
2127 | if (!might_dump) |
2128 | error ("Emacs can be dumped only once"); | |
2129 | ||
848a925e | 2130 | #ifdef GNU_LINUX |
c339dc2e PE |
2131 | |
2132 | /* Warn if the gap between BSS end and heap start is larger than this. */ | |
2133 | # define MAX_HEAP_BSS_DIFF (1024*1024) | |
2134 | ||
dede2792 JD |
2135 | if (heap_bss_diff > MAX_HEAP_BSS_DIFF) |
2136 | { | |
2137 | fprintf (stderr, "**************************************************\n"); | |
2138 | fprintf (stderr, "Warning: Your system has a gap between BSS and the\n"); | |
b312a492 | 2139 | fprintf (stderr, "heap (%"pMu" bytes). This usually means that exec-shield\n", |
c37caf9d JD |
2140 | heap_bss_diff); |
2141 | fprintf (stderr, "or something similar is in effect. The dump may\n"); | |
e79beb56 | 2142 | fprintf (stderr, "fail because of this. See the section about\n"); |
c37caf9d | 2143 | fprintf (stderr, "exec-shield in etc/PROBLEMS for more information.\n"); |
dede2792 JD |
2144 | fprintf (stderr, "**************************************************\n"); |
2145 | } | |
848a925e | 2146 | #endif /* GNU_LINUX */ |
dede2792 | 2147 | |
1b7ddf4f RS |
2148 | /* Bind `command-line-processed' to nil before dumping, |
2149 | so that the dumped Emacs will process its command line | |
2150 | and set up to work with X windows if appropriate. */ | |
4aaa3607 | 2151 | symbol = intern ("command-line-processed"); |
1b7ddf4f RS |
2152 | specbind (symbol, Qnil); |
2153 | ||
b7826503 | 2154 | CHECK_STRING (filename); |
c9aae259 | 2155 | filename = Fexpand_file_name (filename, Qnil); |
c556b44b | 2156 | filename = ENCODE_FILE (filename); |
c9aae259 | 2157 | if (!NILP (symfile)) |
f927c5ae | 2158 | { |
b7826503 | 2159 | CHECK_STRING (symfile); |
d5db4077 | 2160 | if (SCHARS (symfile)) |
c556b44b EZ |
2161 | { |
2162 | symfile = Fexpand_file_name (symfile, Qnil); | |
2163 | symfile = ENCODE_FILE (symfile); | |
2164 | } | |
f927c5ae JB |
2165 | } |
2166 | ||
2167 | tem = Vpurify_flag; | |
2168 | Vpurify_flag = Qnil; | |
2169 | ||
0269dedb RS |
2170 | #ifdef HAVE_TZSET |
2171 | set_time_zone_rule (dump_tz); | |
2172 | #ifndef LOCALTIME_CACHE | |
2173 | /* Force a tz reload, since set_time_zone_rule doesn't. */ | |
2174 | tzset (); | |
2175 | #endif | |
2176 | #endif | |
2177 | ||
f927c5ae | 2178 | fflush (stdout); |
7db35a48 | 2179 | /* Tell malloc where start of impure now is. */ |
f927c5ae JB |
2180 | /* Also arrange for warnings when nearly out of space. */ |
2181 | #ifndef SYSTEM_MALLOC | |
cc5f52cb RS |
2182 | #ifndef WINDOWSNT |
2183 | /* On Windows, this was done before dumping, and that once suffices. | |
2184 | Meanwhile, my_edata is not valid on Windows. */ | |
c339dc2e PE |
2185 | { |
2186 | extern char my_edata[]; | |
2187 | memory_warnings (my_edata, malloc_warning); | |
2188 | } | |
cc5f52cb | 2189 | #endif /* not WINDOWSNT */ |
dd5ecd6b | 2190 | #endif /* not SYSTEM_MALLOC */ |
15aaf1b5 RS |
2191 | #ifdef DOUG_LEA_MALLOC |
2192 | malloc_state_ptr = malloc_get_state (); | |
f927c5ae | 2193 | #endif |
2b7377ca | 2194 | |
42a5b22f | 2195 | unexec (SSDATA (filename), !NILP (symfile) ? SSDATA (symfile) : 0); |
587fd086 | 2196 | |
15aaf1b5 RS |
2197 | #ifdef DOUG_LEA_MALLOC |
2198 | free (malloc_state_ptr); | |
2199 | #endif | |
f927c5ae | 2200 | |
aa15c6bb JB |
2201 | #ifdef WINDOWSNT |
2202 | Vlibrary_cache = Qnil; | |
2203 | #endif | |
2204 | #ifdef HAVE_WINDOW_SYSTEM | |
2205 | reset_image_types (); | |
2206 | #endif | |
2207 | ||
f927c5ae JB |
2208 | Vpurify_flag = tem; |
2209 | ||
2bfa3d3e BT |
2210 | dynwind_end (); |
2211 | return Qnil; | |
f927c5ae JB |
2212 | } |
2213 | ||
f927c5ae JB |
2214 | #endif /* not CANNOT_DUMP */ |
2215 | \f | |
68c45bf0 PE |
2216 | #if HAVE_SETLOCALE |
2217 | /* Recover from setlocale (LC_ALL, ""). */ | |
2218 | void | |
d5a3eaaf | 2219 | fixup_locale (void) |
68c45bf0 | 2220 | { |
68c45bf0 PE |
2221 | /* The Emacs Lisp reader needs LC_NUMERIC to be "C", |
2222 | so that numbers are read and printed properly for Emacs Lisp. */ | |
2223 | setlocale (LC_NUMERIC, "C"); | |
68c45bf0 PE |
2224 | } |
2225 | ||
0c8559bb PE |
2226 | /* Set system locale CATEGORY, with previous locale *PLOCALE, to |
2227 | DESIRED_LOCALE. */ | |
68c45bf0 | 2228 | static void |
dd4c5104 | 2229 | synchronize_locale (int category, Lisp_Object *plocale, Lisp_Object desired_locale) |
68c45bf0 | 2230 | { |
0c8559bb PE |
2231 | if (! EQ (*plocale, desired_locale)) |
2232 | { | |
2233 | *plocale = desired_locale; | |
2234 | setlocale (category, (STRINGP (desired_locale) | |
51b59d79 | 2235 | ? SSDATA (desired_locale) |
0c8559bb PE |
2236 | : "")); |
2237 | } | |
68c45bf0 PE |
2238 | } |
2239 | ||
ca9c0567 | 2240 | /* Set system time locale to match Vsystem_time_locale, if possible. */ |
68c45bf0 | 2241 | void |
d5a3eaaf | 2242 | synchronize_system_time_locale (void) |
68c45bf0 | 2243 | { |
ca9c0567 PE |
2244 | synchronize_locale (LC_TIME, &Vprevious_system_time_locale, |
2245 | Vsystem_time_locale); | |
68c45bf0 PE |
2246 | } |
2247 | ||
ca9c0567 PE |
2248 | /* Set system messages locale to match Vsystem_messages_locale, if |
2249 | possible. */ | |
68c45bf0 | 2250 | void |
d5a3eaaf | 2251 | synchronize_system_messages_locale (void) |
68c45bf0 PE |
2252 | { |
2253 | #ifdef LC_MESSAGES | |
ca9c0567 PE |
2254 | synchronize_locale (LC_MESSAGES, &Vprevious_system_messages_locale, |
2255 | Vsystem_messages_locale); | |
68c45bf0 PE |
2256 | #endif |
2257 | } | |
2258 | #endif /* HAVE_SETLOCALE */ | |
2259 | \f | |
f927c5ae JB |
2260 | |
2261 | Lisp_Object | |
17e0445b | 2262 | decode_env_path (const char *evarname, const char *defalt, bool empty) |
f927c5ae | 2263 | { |
a8fe7202 | 2264 | const char *path, *p; |
213d0b1f | 2265 | Lisp_Object lpath, element, tem; |
17e0445b GM |
2266 | /* Default is to use "." for empty path elements. |
2267 | But if argument EMPTY is true, use nil instead. */ | |
2268 | Lisp_Object empty_element = empty ? Qnil : build_string ("."); | |
76151e2c | 2269 | #ifdef WINDOWSNT |
1882aa38 | 2270 | bool defaulted = 0; |
76151e2c EZ |
2271 | static const char *emacs_dir_env = "%emacs_dir%/"; |
2272 | const size_t emacs_dir_len = strlen (emacs_dir_env); | |
1fd201bb EZ |
2273 | const char *edir = egetenv ("emacs_dir"); |
2274 | char emacs_dir[MAX_UTF8_PATH]; | |
2275 | ||
2276 | /* egetenv looks in process-environment, which holds the variables | |
2277 | in their original system-locale encoding. We need emacs_dir to | |
2278 | be in UTF-8. */ | |
e088f894 EZ |
2279 | if (edir) |
2280 | filename_from_ansi (edir, emacs_dir); | |
76151e2c | 2281 | #endif |
f927c5ae | 2282 | |
2447c626 JB |
2283 | /* It's okay to use getenv here, because this function is only used |
2284 | to initialize variables when Emacs starts up, and isn't called | |
2285 | after that. */ | |
e065a56e | 2286 | if (evarname != 0) |
a8fe7202 | 2287 | path = getenv (evarname); |
e065a56e JB |
2288 | else |
2289 | path = 0; | |
f927c5ae | 2290 | if (!path) |
76151e2c EZ |
2291 | { |
2292 | path = defalt; | |
8671676c | 2293 | #ifdef WINDOWSNT |
76151e2c | 2294 | defaulted = 1; |
8671676c | 2295 | #endif |
76151e2c | 2296 | } |
6a30e6d6 RS |
2297 | #ifdef DOS_NT |
2298 | /* Ensure values from the environment use the proper directory separator. */ | |
2299 | if (path) | |
2300 | { | |
1fd201bb EZ |
2301 | char *path_copy; |
2302 | ||
2303 | #ifdef WINDOWSNT | |
94ae1542 EZ |
2304 | char *path_utf8, *q, *d; |
2305 | int cnv_result; | |
2306 | ||
2307 | /* Convert each element of PATH to UTF-8. */ | |
2308 | p = path_copy = alloca (strlen (path) + 1); | |
2309 | strcpy (path_copy, path); | |
2310 | d = path_utf8 = alloca (4 * strlen (path) + 1); | |
2311 | *d = '\0'; | |
2312 | do { | |
2313 | q = _mbschr (p, SEPCHAR); | |
2314 | if (q) | |
2315 | *q = '\0'; | |
2316 | cnv_result = filename_from_ansi (p, d); | |
2317 | if (q) | |
2318 | { | |
2319 | *q++ = SEPCHAR; | |
2320 | p = q; | |
2321 | /* If conversion of this PATH elements fails, make sure | |
2322 | destination pointer will stay put, thus effectively | |
2323 | ignoring the offending element. */ | |
2324 | if (cnv_result == 0) | |
2325 | { | |
2326 | d += strlen (d); | |
2327 | *d++ = SEPCHAR; | |
2328 | } | |
2329 | } | |
2330 | else if (cnv_result != 0 && d > path_utf8) | |
2331 | d[-1] = '\0'; /* remove last semi-colon and null-terminate PATH */ | |
2332 | } while (q); | |
2333 | path_copy = path_utf8; | |
1fd201bb EZ |
2334 | #else /* MSDOS */ |
2335 | path_copy = alloca (strlen (path) + 1); | |
a8fe7202 | 2336 | strcpy (path_copy, path); |
1fd201bb EZ |
2337 | #endif |
2338 | dostounix_filename (path_copy); | |
a8fe7202 | 2339 | path = path_copy; |
6a30e6d6 RS |
2340 | } |
2341 | #endif | |
f927c5ae JB |
2342 | lpath = Qnil; |
2343 | while (1) | |
2344 | { | |
8966b757 | 2345 | p = strchr (path, SEPCHAR); |
a8fe7202 AS |
2346 | if (!p) |
2347 | p = path + strlen (path); | |
d0065ff1 | 2348 | element = (p - path ? make_unibyte_string (path, p - path) |
17e0445b GM |
2349 | : empty_element); |
2350 | if (! NILP (element)) | |
2351 | { | |
76151e2c | 2352 | #ifdef WINDOWSNT |
17e0445b GM |
2353 | /* Relative file names in the default path are interpreted as |
2354 | being relative to $emacs_dir. */ | |
e088f894 | 2355 | if (edir && defaulted |
17e0445b GM |
2356 | && strncmp (path, emacs_dir_env, emacs_dir_len) == 0) |
2357 | element = Fexpand_file_name (Fsubstring | |
2358 | (element, | |
2359 | make_number (emacs_dir_len), | |
2360 | Qnil), | |
2361 | build_unibyte_string (emacs_dir)); | |
2362 | #endif | |
2363 | ||
2364 | /* Add /: to the front of the name | |
2365 | if it would otherwise be treated as magic. */ | |
2366 | tem = Ffind_file_name_handler (element, Qt); | |
2367 | ||
2368 | /* However, if the handler says "I'm safe", | |
2369 | don't bother adding /:. */ | |
2370 | if (SYMBOLP (tem)) | |
2371 | { | |
2372 | Lisp_Object prop; | |
2373 | prop = Fget (tem, intern ("safe-magic")); | |
2374 | if (! NILP (prop)) | |
2375 | tem = Qnil; | |
2376 | } | |
ca3df2d5 | 2377 | |
17e0445b GM |
2378 | if (! NILP (tem)) |
2379 | element = concat2 (build_string ("/:"), element); | |
2380 | } /* !NILP (element) */ | |
213d0b1f RS |
2381 | |
2382 | lpath = Fcons (element, lpath); | |
f927c5ae JB |
2383 | if (*p) |
2384 | path = p + 1; | |
2385 | else | |
2386 | break; | |
2387 | } | |
2388 | return Fnreverse (lpath); | |
2389 | } | |
2390 | ||
eab2ee89 | 2391 | DEFUN ("daemonp", Fdaemonp, Sdaemonp, 0, 0, 0, |
4ff029f6 DN |
2392 | doc: /* Return non-nil if the current emacs process is a daemon. |
2393 | If the daemon was given a name argument, return that name. */) | |
5842a27b | 2394 | (void) |
eab2ee89 | 2395 | { |
fc012771 | 2396 | if (IS_DAEMON) |
4ff029f6 DN |
2397 | if (daemon_name) |
2398 | return build_string (daemon_name); | |
2399 | else | |
2400 | return Qt; | |
2401 | else | |
2402 | return Qnil; | |
eab2ee89 DN |
2403 | } |
2404 | ||
5790ef40 | 2405 | DEFUN ("daemon-initialized", Fdaemon_initialized, Sdaemon_initialized, 0, 0, 0, |
fc012771 SM |
2406 | doc: /* Mark the Emacs daemon as being initialized. |
2407 | This finishes the daemonization process by doing the other half of detaching | |
2408 | from the parent process and its tty file descriptors. */) | |
5842a27b | 2409 | (void) |
5790ef40 DN |
2410 | { |
2411 | int nfd; | |
1882aa38 | 2412 | bool err = 0; |
5790ef40 | 2413 | |
fc012771 | 2414 | if (!IS_DAEMON) |
5790ef40 DN |
2415 | error ("This function can only be called if emacs is run as a daemon"); |
2416 | ||
2417 | if (daemon_pipe[1] < 0) | |
2418 | error ("The daemon has already been initialized"); | |
2419 | ||
2420 | if (NILP (Vafter_init_time)) | |
2421 | error ("This function can only be called after loading the init files"); | |
2422 | ||
2423 | /* Get rid of stdin, stdout and stderr. */ | |
406af475 | 2424 | nfd = emacs_open ("/dev/null", O_RDWR, 0); |
dc1ca6a8 PE |
2425 | err |= nfd < 0; |
2426 | err |= dup2 (nfd, 0) < 0; | |
2427 | err |= dup2 (nfd, 1) < 0; | |
2428 | err |= dup2 (nfd, 2) < 0; | |
bacba3c2 | 2429 | err |= emacs_close (nfd) != 0; |
5790ef40 | 2430 | |
fc012771 SM |
2431 | /* Closing the pipe will notify the parent that it can exit. |
2432 | FIXME: In case some other process inherited the pipe, closing it here | |
2433 | won't notify the parent because it's still open elsewhere, so we | |
2434 | additionally send a byte, just to make sure the parent really exits. | |
2435 | Instead, we should probably close the pipe in start-process and | |
2436 | call-process to make sure the pipe is never inherited by | |
2437 | subprocesses. */ | |
dc1ca6a8 | 2438 | err |= write (daemon_pipe[1], "\n", 1) < 0; |
bacba3c2 | 2439 | err |= emacs_close (daemon_pipe[1]) != 0; |
5790ef40 DN |
2440 | /* Set it to an invalid value so we know we've already run this function. */ |
2441 | daemon_pipe[1] = -1; | |
dc1ca6a8 PE |
2442 | |
2443 | if (err) | |
2444 | error ("I/O error during daemon initialization"); | |
5790ef40 DN |
2445 | return Qt; |
2446 | } | |
2447 | ||
dfcf069d | 2448 | void |
d5a3eaaf | 2449 | syms_of_emacs (void) |
f927c5ae | 2450 | { |
fe6aa7a1 BT |
2451 | #include "emacs.x" |
2452 | ||
cd3520a4 JB |
2453 | DEFSYM (Qfile_name_handler_alist, "file-name-handler-alist"); |
2454 | DEFSYM (Qrisky_local_variable, "risky-local-variable"); | |
6c07aac2 | 2455 | DEFSYM (Qkill_emacs, "kill-emacs"); |
73c14218 | 2456 | DEFSYM (Qkill_emacs_hook, "kill-emacs-hook"); |
213d0b1f | 2457 | |
29208e82 | 2458 | DEFVAR_LISP ("command-line-args", Vcommand_line_args, |
2a9d2ed6 RS |
2459 | doc: /* Args passed by shell to Emacs, as a list of strings. |
2460 | Many arguments are deleted from the list as they are processed. */); | |
f927c5ae | 2461 | |
29208e82 | 2462 | DEFVAR_LISP ("system-type", Vsystem_type, |
cf59a374 | 2463 | doc: /* The value is a symbol indicating the type of operating system you are using. |
40a8993a | 2464 | Special values: |
cf59a374 GM |
2465 | `gnu' compiled for a GNU Hurd system. |
2466 | `gnu/linux' compiled for a GNU/Linux system. | |
2467 | `gnu/kfreebsd' compiled for a GNU system with a FreeBSD kernel. | |
2468 | `darwin' compiled for Darwin (GNU-Darwin, Mac OS X, ...). | |
2469 | `ms-dos' compiled as an MS-DOS application. | |
2470 | `windows-nt' compiled as a native W32 application. | |
2471 | `cygwin' compiled using the Cygwin library. | |
bd6bc222 GM |
2472 | Anything else (in Emacs 24.1, the possibilities are: aix, berkeley-unix, |
2473 | hpux, irix, usg-unix-v) indicates some sort of Unix system. */); | |
d67b4f80 | 2474 | Vsystem_type = intern_c_string (SYSTEM_TYPE); |
6edd2f3d | 2475 | /* See configure.ac (and config.nt) for the possible SYSTEM_TYPEs. */ |
f927c5ae | 2476 | |
29208e82 | 2477 | DEFVAR_LISP ("system-configuration", Vsystem_configuration, |
7db35a48 PJ |
2478 | doc: /* Value is string indicating configuration Emacs was built for. |
2479 | On MS-Windows, the value reflects the OS flavor and version on which | |
2480 | Emacs is running. */); | |
f7511647 | 2481 | Vsystem_configuration = build_string (EMACS_CONFIGURATION); |
271c7b7c | 2482 | |
29208e82 | 2483 | DEFVAR_LISP ("system-configuration-options", Vsystem_configuration_options, |
7db35a48 | 2484 | doc: /* String containing the configuration options Emacs was built with. */); |
f0fc0b1a KH |
2485 | Vsystem_configuration_options = build_string (EMACS_CONFIG_OPTIONS); |
2486 | ||
c3153003 GM |
2487 | DEFVAR_LISP ("system-configuration-features", Vsystem_configuration_features, |
2488 | doc: /* String listing some of the main features this Emacs was compiled with. | |
2489 | An element of the form \"FOO\" generally means that HAVE_FOO was | |
2490 | defined during the build. */); | |
2491 | Vsystem_configuration_features = build_string (EMACS_CONFIG_FEATURES); | |
2492 | ||
29208e82 | 2493 | DEFVAR_BOOL ("noninteractive", noninteractive1, |
7db35a48 | 2494 | doc: /* Non-nil means Emacs is running without interactive terminal. */); |
e5d77022 | 2495 | |
29208e82 | 2496 | DEFVAR_LISP ("kill-emacs-hook", Vkill_emacs_hook, |
e5d9c0d1 | 2497 | doc: /* Hook run when `kill-emacs' is called. |
d77b70e5 | 2498 | Since `kill-emacs' may be invoked when the terminal is disconnected (or |
7db35a48 PJ |
2499 | in other similar situations), functions placed on this hook should not |
2500 | expect to be able to interact with the user. To ask for confirmation, | |
d77b70e5 MR |
2501 | see `kill-emacs-query-functions' instead. |
2502 | ||
9c524fcb GM |
2503 | Before Emacs 24.1, the hook was not run in batch mode, i.e., if |
2504 | `noninteractive' was non-nil. */); | |
edc8ae07 | 2505 | Vkill_emacs_hook = Qnil; |
3005da00 | 2506 | |
29208e82 | 2507 | DEFVAR_LISP ("path-separator", Vpath_separator, |
c7ed3276 EZ |
2508 | doc: /* String containing the character that separates directories in |
2509 | search paths, such as PATH and other similar environment variables. */); | |
074a066b GV |
2510 | { |
2511 | char c = SEPCHAR; | |
2512 | Vpath_separator = make_string (&c, 1); | |
2513 | } | |
59653951 | 2514 | |
29208e82 | 2515 | DEFVAR_LISP ("invocation-name", Vinvocation_name, |
7db35a48 PJ |
2516 | doc: /* The program name that was used to run Emacs. |
2517 | Any directory names are omitted. */); | |
f67de86f | 2518 | |
29208e82 | 2519 | DEFVAR_LISP ("invocation-directory", Vinvocation_directory, |
7db35a48 PJ |
2520 | doc: /* The directory in which the Emacs executable was found, to run it. |
2521 | The value is nil if that directory's name is not known. */); | |
f67de86f | 2522 | |
29208e82 | 2523 | DEFVAR_LISP ("installation-directory", Vinstallation_directory, |
7db35a48 | 2524 | doc: /* A directory within which to look for the `lib-src' and `etc' directories. |
74cc8ff9 GM |
2525 | In an installed Emacs, this is normally nil. It is non-nil if |
2526 | both `lib-src' (on MS-DOS, `info') and `etc' directories are found | |
1e2c5d95 GM |
2527 | within the variable `invocation-directory' or its parent. For example, |
2528 | this is the case when running an uninstalled Emacs executable from its | |
74cc8ff9 | 2529 | build directory. */); |
07f4d123 | 2530 | Vinstallation_directory = Qnil; |
68c45bf0 | 2531 | |
29208e82 | 2532 | DEFVAR_LISP ("system-messages-locale", Vsystem_messages_locale, |
7db35a48 | 2533 | doc: /* System locale for messages. */); |
ca9c0567 | 2534 | Vsystem_messages_locale = Qnil; |
68c45bf0 | 2535 | |
ca9c0567 | 2536 | DEFVAR_LISP ("previous-system-messages-locale", |
29208e82 | 2537 | Vprevious_system_messages_locale, |
7db35a48 | 2538 | doc: /* Most recently used system locale for messages. */); |
ca9c0567 | 2539 | Vprevious_system_messages_locale = Qnil; |
68c45bf0 | 2540 | |
29208e82 | 2541 | DEFVAR_LISP ("system-time-locale", Vsystem_time_locale, |
7db35a48 | 2542 | doc: /* System locale for time. */); |
ca9c0567 | 2543 | Vsystem_time_locale = Qnil; |
68c45bf0 | 2544 | |
29208e82 | 2545 | DEFVAR_LISP ("previous-system-time-locale", Vprevious_system_time_locale, |
7db35a48 | 2546 | doc: /* Most recently used system locale for time. */); |
ca9c0567 | 2547 | Vprevious_system_time_locale = Qnil; |
90503d96 | 2548 | |
29208e82 | 2549 | DEFVAR_LISP ("before-init-time", Vbefore_init_time, |
90503d96 CY |
2550 | doc: /* Value of `current-time' before Emacs begins initialization. */); |
2551 | Vbefore_init_time = Qnil; | |
2552 | ||
29208e82 | 2553 | DEFVAR_LISP ("after-init-time", Vafter_init_time, |
90503d96 CY |
2554 | doc: /* Value of `current-time' after loading the init files. |
2555 | This is nil during initialization. */); | |
2556 | Vafter_init_time = Qnil; | |
fc012771 | 2557 | |
29208e82 | 2558 | DEFVAR_BOOL ("inhibit-x-resources", inhibit_x_resources, |
9b68317c | 2559 | doc: /* If non-nil, X resources, Windows Registry settings, and NS defaults are not used. */); |
8686ac71 JB |
2560 | inhibit_x_resources = 0; |
2561 | ||
29208e82 | 2562 | DEFVAR_LISP ("emacs-copyright", Vemacs_copyright, |
8c5ff6dd KR |
2563 | doc: /* Short copyright string for this version of Emacs. */); |
2564 | Vemacs_copyright = build_string (emacs_copyright); | |
2565 | ||
29208e82 | 2566 | DEFVAR_LISP ("emacs-version", Vemacs_version, |
8c5ff6dd KR |
2567 | doc: /* Version numbers of this version of Emacs. */); |
2568 | Vemacs_version = build_string (emacs_version); | |
2569 | ||
7b207d6d GM |
2570 | DEFVAR_LISP ("report-emacs-bug-address", Vreport_emacs_bug_address, |
2571 | doc: /* Address of mailing list for GNU Emacs bugs. */); | |
2572 | Vreport_emacs_bug_address = build_string (emacs_bugreport); | |
2573 | ||
29208e82 | 2574 | DEFVAR_LISP ("dynamic-library-alist", Vdynamic_library_alist, |
2e288d54 JB |
2575 | doc: /* Alist of dynamic libraries vs external files implementing them. |
2576 | Each element is a list (LIBRARY FILE...), where the car is a symbol | |
2577 | representing a supported external library, and the rest are strings giving | |
2578 | alternate filenames for that library. | |
2579 | ||
2580 | Emacs tries to load the library from the files in the order they appear on | |
2581 | the list; if none is loaded, the running session of Emacs won't have access | |
2582 | to that library. | |
2583 | ||
2584 | Note that image types `pbm' and `xbm' do not need entries in this variable | |
2585 | because they do not depend on external libraries and are always available. | |
2586 | ||
2587 | Also note that this is not a generic facility for accessing external | |
2588 | libraries; only those already known by Emacs will be loaded. */); | |
2589 | Vdynamic_library_alist = Qnil; | |
2590 | Fput (intern_c_string ("dynamic-library-alist"), Qrisky_local_variable, Qt); | |
2591 | ||
aa15c6bb JB |
2592 | #ifdef WINDOWSNT |
2593 | Vlibrary_cache = Qnil; | |
2594 | staticpro (&Vlibrary_cache); | |
2595 | #endif | |
f927c5ae | 2596 | } |