Commit | Line | Data |
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d953f306 | 1 | /* Communication subprocess for GNU Emacs acting as server. |
4ee9629e | 2 | Copyright (C) 1986, 1987, 1992, 1994, 1999 Free Software Foundation, Inc. |
d953f306 RS |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
d4327fec | 8 | the Free Software Foundation; either version 2, or (at your option) |
d953f306 RS |
9 | any later version. |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
3b7ad313 EN |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
19 | Boston, MA 02111-1307, USA. */ | |
d953f306 RS |
20 | |
21 | ||
22 | /* The GNU Emacs edit server process is run as a subprocess of Emacs | |
23 | under control of the file lisp/server.el. | |
24 | This program accepts communication from client (program emacsclient.c) | |
25 | and passes their commands (consisting of keyboard characters) | |
26 | up to the Emacs which then executes them. */ | |
27 | ||
28 | #define NO_SHORTNAMES | |
18160b98 | 29 | #include <../src/config.h> |
4ee9629e | 30 | #include <signal.h> |
5ed8e09c | 31 | #undef signal |
d953f306 | 32 | |
021eac48 | 33 | #if !defined (HAVE_SOCKETS) && !defined (HAVE_SYSVIPC) |
d953f306 RS |
34 | #include <stdio.h> |
35 | ||
4e7ef1d6 | 36 | int |
d953f306 RS |
37 | main () |
38 | { | |
39 | fprintf (stderr, "Sorry, the Emacs server is supported only on systems\n"); | |
40 | fprintf (stderr, "with Berkeley sockets or System V IPC.\n"); | |
41 | exit (1); | |
42 | } | |
43 | ||
44 | #else /* HAVE_SOCKETS or HAVE_SYSVIPC */ | |
45 | ||
4e7ef1d6 AS |
46 | void perror_1 (); |
47 | void fatal_error (); | |
48 | ||
1e523e3d | 49 | #if defined (HAVE_SOCKETS) && ! defined (NO_SOCKETS_IN_FILE_SYSTEM) |
d953f306 RS |
50 | /* BSD code is very different from SYSV IPC code */ |
51 | ||
d953f306 | 52 | #include <sys/types.h> |
908d6b87 | 53 | #include <sys/file.h> |
d953f306 | 54 | #include <sys/socket.h> |
d953f306 RS |
55 | #include <sys/un.h> |
56 | #include <stdio.h> | |
57 | #include <errno.h> | |
cbf5f47c | 58 | #include <sys/stat.h> |
d953f306 | 59 | |
4e7ef1d6 AS |
60 | #ifdef HAVE_UNISTD_H |
61 | #include <unistd.h> | |
62 | #endif | |
63 | ||
1ee65e5c | 64 | #ifndef errno |
d953f306 | 65 | extern int errno; |
1ee65e5c | 66 | #endif |
d953f306 | 67 | |
b38bab94 KH |
68 | /* Copied from src/process.c */ |
69 | #ifdef FD_SET | |
70 | /* We could get this from param.h, but better not to depend on finding that. | |
71 | And better not to risk that it might define other symbols used in this | |
72 | file. */ | |
73 | #ifdef FD_SETSIZE | |
74 | #define MAXDESC FD_SETSIZE | |
75 | #else | |
76 | #define MAXDESC 64 | |
77 | #endif | |
78 | #define SELECT_TYPE fd_set | |
79 | #else /* no FD_SET */ | |
80 | #define MAXDESC 32 | |
81 | #define SELECT_TYPE int | |
82 | ||
83 | /* Define the macros to access a single-int bitmap of descriptors. */ | |
84 | #define FD_SET(n, p) (*(p) |= (1 << (n))) | |
85 | #define FD_CLR(n, p) (*(p) &= ~(1 << (n))) | |
86 | #define FD_ISSET(n, p) (*(p) & (1 << (n))) | |
87 | #define FD_ZERO(p) (*(p) = 0) | |
88 | #endif /* no FD_SET */ | |
89 | ||
d8888efa RS |
90 | /* This is the file name of the socket that we made. */ |
91 | ||
92 | char *socket_name; | |
93 | ||
94 | /* Name of this program. */ | |
95 | ||
96 | char *progname; | |
97 | \f | |
98 | /* Handle fatal signals. */ | |
99 | ||
100 | /* This is the handler. */ | |
101 | ||
102 | SIGTYPE | |
103 | delete_socket (sig) | |
104 | int sig; | |
105 | { | |
106 | signal (sig, SIG_DFL); | |
107 | unlink (socket_name); | |
108 | kill (getpid (), sig); | |
109 | } | |
110 | ||
111 | /* Set up to handle all the signals. */ | |
112 | ||
4e7ef1d6 | 113 | void |
d8888efa RS |
114 | handle_signals () |
115 | { | |
116 | signal (SIGHUP, delete_socket); | |
117 | signal (SIGINT, delete_socket); | |
118 | signal (SIGQUIT, delete_socket); | |
119 | signal (SIGILL, delete_socket); | |
120 | signal (SIGTRAP, delete_socket); | |
121 | #ifdef SIGABRT | |
122 | signal (SIGABRT, delete_socket); | |
123 | #endif | |
124 | #ifdef SIGHWE | |
125 | signal (SIGHWE, delete_socket); | |
126 | #endif | |
127 | #ifdef SIGPRE | |
128 | signal (SIGPRE, delete_socket); | |
129 | #endif | |
130 | #ifdef SIGORE | |
131 | signal (SIGORE, delete_socket); | |
132 | #endif | |
133 | #ifdef SIGUME | |
134 | signal (SIGUME, delete_socket); | |
135 | #endif | |
136 | #ifdef SIGDLK | |
137 | signal (SIGDLK, delete_socket); | |
138 | #endif | |
139 | #ifdef SIGCPULIM | |
140 | signal (SIGCPULIM, delete_socket); | |
141 | #endif | |
142 | #ifdef SIGIOT | |
143 | /* This is missing on some systems - OS/2, for example. */ | |
144 | signal (SIGIOT, delete_socket); | |
145 | #endif | |
146 | #ifdef SIGEMT | |
147 | signal (SIGEMT, delete_socket); | |
148 | #endif | |
149 | signal (SIGFPE, delete_socket); | |
150 | #ifdef SIGBUS | |
151 | signal (SIGBUS, delete_socket); | |
152 | #endif | |
153 | signal (SIGSEGV, delete_socket); | |
154 | #ifdef SIGSYS | |
155 | signal (SIGSYS, delete_socket); | |
156 | #endif | |
157 | signal (SIGTERM, delete_socket); | |
158 | #ifdef SIGXCPU | |
159 | signal (SIGXCPU, delete_socket); | |
160 | #endif | |
161 | #ifdef SIGXFSZ | |
162 | signal (SIGXFSZ, delete_socket); | |
163 | #endif /* SIGXFSZ */ | |
164 | ||
165 | #ifdef AIX | |
166 | /* 20 is SIGCHLD, 21 is SIGTTIN, 22 is SIGTTOU. */ | |
167 | signal (SIGXCPU, delete_socket); | |
168 | #ifndef _I386 | |
169 | signal (SIGIOINT, delete_socket); | |
170 | #endif | |
171 | signal (SIGGRANT, delete_socket); | |
172 | signal (SIGRETRACT, delete_socket); | |
173 | signal (SIGSOUND, delete_socket); | |
174 | signal (SIGMSG, delete_socket); | |
175 | #endif /* AIX */ | |
176 | } | |
177 | \f | |
178 | /* Print error message. `s1' is printf control string, `s2' is arg for it. */ | |
179 | void | |
180 | error (s1, s2) | |
181 | char *s1, *s2; | |
182 | { | |
183 | fprintf (stderr, "%s: ", progname); | |
184 | fprintf (stderr, s1, s2); | |
185 | fprintf (stderr, "\n"); | |
186 | } | |
187 | ||
188 | /* Print error message and exit. */ | |
189 | void | |
190 | fatal (s1, s2) | |
191 | char *s1, *s2; | |
192 | { | |
193 | error (s1, s2); | |
194 | exit (1); | |
195 | } | |
196 | ||
197 | /* Like malloc but get fatal error if memory is exhausted. */ | |
198 | ||
199 | long * | |
200 | xmalloc (size) | |
201 | unsigned int size; | |
202 | { | |
203 | long *result = (long *) malloc (size); | |
204 | if (result == NULL) | |
205 | fatal ("virtual memory exhausted", 0); | |
206 | return result; | |
207 | } | |
208 | \f | |
c275f129 | 209 | int |
d8888efa RS |
210 | main (argc, argv) |
211 | int argc; | |
212 | char **argv; | |
d953f306 | 213 | { |
40beb971 RS |
214 | char *system_name; |
215 | int system_name_length; | |
4893a437 | 216 | int s, infd; |
57b1f720 RS |
217 | #ifdef SOCKLEN_TYPE |
218 | SOCKLEN_TYPE fromlen; | |
219 | #else | |
4893a437 | 220 | size_t fromlen; |
57b1f720 | 221 | #endif |
4893a437 | 222 | struct sockaddr_un server, fromunix; |
d953f306 RS |
223 | char *homedir; |
224 | char *str, string[BUFSIZ], code[BUFSIZ]; | |
225 | FILE *infile; | |
226 | FILE **openfiles; | |
227 | int openfiles_size; | |
cbf5f47c | 228 | struct stat statbuf; |
d953f306 | 229 | |
f662f9b0 | 230 | #ifndef convex |
d953f306 | 231 | char *getenv (); |
f662f9b0 | 232 | #endif |
d953f306 | 233 | |
d8888efa RS |
234 | progname = argv[0]; |
235 | ||
d953f306 RS |
236 | openfiles_size = 20; |
237 | openfiles = (FILE **) malloc (openfiles_size * sizeof (FILE *)); | |
238 | if (openfiles == 0) | |
239 | abort (); | |
240 | ||
241 | /* | |
242 | * Open up an AF_UNIX socket in this person's home directory | |
243 | */ | |
244 | ||
245 | if ((s = socket (AF_UNIX, SOCK_STREAM, 0)) < 0) | |
246 | { | |
ccd318fb | 247 | perror_1 ("socket"); |
d953f306 RS |
248 | exit (1); |
249 | } | |
250 | server.sun_family = AF_UNIX; | |
40beb971 | 251 | |
c5fee545 | 252 | system_name_length = 32; |
40beb971 RS |
253 | while (1) |
254 | { | |
255 | system_name = (char *) xmalloc (system_name_length + 1); | |
256 | ||
257 | /* system_name must be null-terminated string. */ | |
258 | system_name[system_name_length] = '\0'; | |
259 | ||
260 | if (gethostname (system_name, system_name_length) == 0) | |
261 | break; | |
262 | ||
263 | free (system_name); | |
264 | system_name_length *= 2; | |
265 | } | |
266 | ||
c5fee545 | 267 | #ifndef SERVER_HOME_DIR |
1464f5d5 JB |
268 | sprintf (server.sun_path, "/tmp/esrv%d-%s", geteuid (), system_name); |
269 | ||
270 | if (unlink (server.sun_path) == -1 && errno != ENOENT) | |
271 | { | |
ccd318fb | 272 | perror_1 ("unlink"); |
1464f5d5 JB |
273 | exit (1); |
274 | } | |
275 | #else | |
276 | if ((homedir = getenv ("HOME")) == NULL) | |
ccd318fb RS |
277 | fatal_error ("No home directory\n"); |
278 | ||
d953f306 | 279 | strcpy (server.sun_path, homedir); |
021eac48 | 280 | strcat (server.sun_path, "/.emacs-server-"); |
021eac48 | 281 | strcat (server.sun_path, system_name); |
d953f306 RS |
282 | /* Delete anyone else's old server. */ |
283 | unlink (server.sun_path); | |
1464f5d5 JB |
284 | #endif |
285 | ||
d8888efa RS |
286 | /* Save the socket name so we can delete it. */ |
287 | socket_name = (char *) xmalloc (strlen (server.sun_path) + 1); | |
288 | strcpy (socket_name, server.sun_path); | |
289 | ||
290 | handle_signals (); | |
291 | ||
2fdfe079 | 292 | if (bind (s, (struct sockaddr *) &server, strlen (server.sun_path) + 2) < 0) |
d953f306 | 293 | { |
ccd318fb | 294 | perror_1 ("bind"); |
d953f306 RS |
295 | exit (1); |
296 | } | |
297 | /* Only this user can send commands to this Emacs. */ | |
cbf5f47c KH |
298 | if (stat (server.sun_path, &statbuf) < 0) |
299 | { | |
300 | perror_1 ("bind"); | |
301 | exit (1); | |
302 | } | |
303 | ||
304 | chmod (server.sun_path, statbuf.st_mode & 0600); | |
d953f306 RS |
305 | /* |
306 | * Now, just wait for everything to come in.. | |
307 | */ | |
308 | if (listen (s, 5) < 0) | |
309 | { | |
ccd318fb | 310 | perror_1 ("listen"); |
d953f306 RS |
311 | exit (1); |
312 | } | |
313 | ||
314 | /* Disable sigpipes in case luser kills client... */ | |
315 | signal (SIGPIPE, SIG_IGN); | |
316 | for (;;) | |
317 | { | |
b38bab94 | 318 | SELECT_TYPE rmask; |
86af296b RM |
319 | FD_ZERO (&rmask); |
320 | FD_SET (0, &rmask); | |
321 | FD_SET (s, &rmask); | |
b38bab94 | 322 | if (select (s + 1, &rmask, 0, 0, 0) < 0) |
ccd318fb | 323 | perror_1 ("select"); |
86af296b | 324 | if (FD_ISSET (s, &rmask)) /* client sends list of filenames */ |
d953f306 RS |
325 | { |
326 | fromlen = sizeof (fromunix); | |
327 | fromunix.sun_family = AF_UNIX; | |
b38bab94 | 328 | infd = accept (s, (struct sockaddr *) &fromunix, &fromlen); |
d953f306 RS |
329 | if (infd < 0) |
330 | { | |
331 | if (errno == EMFILE || errno == ENFILE) | |
ccd318fb | 332 | fprintf (stderr, "Error: too many clients.\n"); |
d953f306 | 333 | else |
ccd318fb | 334 | perror_1 ("accept"); |
d953f306 RS |
335 | continue; |
336 | } | |
337 | ||
338 | if (infd >= openfiles_size) | |
339 | { | |
340 | openfiles_size *= 2; | |
341 | openfiles = (FILE **) realloc (openfiles, | |
342 | openfiles_size * sizeof (FILE *)); | |
343 | if (openfiles == 0) | |
344 | abort (); | |
345 | } | |
346 | ||
347 | infile = fdopen (infd, "r+"); /* open stream */ | |
348 | if (infile == NULL) | |
349 | { | |
ccd318fb | 350 | fprintf (stderr, "Error: too many clients.\n"); |
d953f306 RS |
351 | write (infd, "Too many clients.\n", 18); |
352 | close (infd); /* Prevent descriptor leak.. */ | |
353 | continue; | |
354 | } | |
355 | str = fgets (string, BUFSIZ, infile); | |
356 | if (str == NULL) | |
357 | { | |
ccd318fb | 358 | perror_1 ("fgets"); |
d953f306 RS |
359 | close (infd); /* Prevent descriptor leak.. */ |
360 | continue; | |
361 | } | |
362 | openfiles[infd] = infile; | |
363 | printf ("Client: %d %s", infd, string); | |
364 | /* If what we read did not end in a newline, | |
365 | it means there is more. Keep reading from the socket | |
366 | and outputting to Emacs, until we get the newline. */ | |
367 | while (string[strlen (string) - 1] != '\n') | |
368 | { | |
369 | if (fgets (string, BUFSIZ, infile) == 0) | |
370 | break; | |
371 | printf ("%s", string); | |
372 | } | |
373 | fflush (stdout); | |
374 | fflush (infile); | |
375 | continue; | |
376 | } | |
86af296b | 377 | else if (FD_ISSET (0, &rmask)) /* emacs sends codeword, fd, and string message */ |
d953f306 RS |
378 | { |
379 | /* Read command codeword and fd */ | |
380 | clearerr (stdin); | |
381 | scanf ("%s %d%*c", code, &infd); | |
382 | if (ferror (stdin) || feof (stdin)) | |
ccd318fb | 383 | fatal_error ("server: error reading from standard input\n"); |
d953f306 RS |
384 | |
385 | /* Transfer text from Emacs to the client, up to a newline. */ | |
386 | infile = openfiles[infd]; | |
cbd1aee2 | 387 | rewind (infile); |
d953f306 RS |
388 | while (1) |
389 | { | |
390 | if (fgets (string, BUFSIZ, stdin) == 0) | |
391 | break; | |
392 | fprintf (infile, "%s", string); | |
393 | if (string[strlen (string) - 1] == '\n') | |
394 | break; | |
395 | } | |
396 | fflush (infile); | |
397 | ||
398 | /* If command is close, close connection to client. */ | |
399 | if (strncmp (code, "Close:", 6) == 0) | |
400 | if (infd > 2) | |
401 | { | |
402 | fclose (infile); | |
403 | close (infd); | |
404 | } | |
405 | continue; | |
406 | } | |
407 | } | |
408 | } | |
409 | ||
410 | #else /* This is the SYSV IPC section */ | |
411 | ||
412 | #include <sys/types.h> | |
d953f306 RS |
413 | #include <sys/ipc.h> |
414 | #include <sys/msg.h> | |
415 | #include <setjmp.h> | |
b8a0f2d8 | 416 | #include <errno.h> |
021eac48 RS |
417 | #include <sys/utsname.h> |
418 | ||
419 | struct utsname system_name; | |
b8a0f2d8 RS |
420 | |
421 | #ifndef errno | |
422 | extern int errno; | |
423 | #endif | |
d953f306 RS |
424 | |
425 | jmp_buf msgenv; | |
426 | ||
d4327fec | 427 | SIGTYPE |
d953f306 RS |
428 | msgcatch () |
429 | { | |
430 | longjmp (msgenv, 1); | |
431 | } | |
432 | ||
433 | ||
434 | /* "THIS has to be fixed. Remember, stderr may not exist...-rlk." | |
435 | Incorrect. This program runs as an inferior of Emacs. | |
436 | Its stderr always exists--rms. */ | |
437 | #include <stdio.h> | |
438 | ||
4e7ef1d6 | 439 | int |
d953f306 RS |
440 | main () |
441 | { | |
2f317998 | 442 | int s, infd, fromlen, ioproc; |
d953f306 RS |
443 | key_t key; |
444 | struct msgbuf * msgp = | |
445 | (struct msgbuf *) malloc (sizeof *msgp + BUFSIZ); | |
446 | struct msqid_ds msg_st; | |
447 | int p; | |
448 | char *homedir, *getenv (); | |
449 | char string[BUFSIZ]; | |
450 | FILE *infile; | |
451 | ||
452 | /* | |
021eac48 | 453 | * Create a message queue using ~/.emacs-server as the path for ftok |
d953f306 RS |
454 | */ |
455 | if ((homedir = getenv ("HOME")) == NULL) | |
ccd318fb RS |
456 | fatal_error ("No home directory\n"); |
457 | ||
d953f306 | 458 | strcpy (string, homedir); |
021eac48 RS |
459 | #ifndef HAVE_LONG_FILE_NAMES |
460 | /* If file names are short, we can't fit the host name. */ | |
461 | strcat (string, "/.emacs-server"); | |
462 | #else | |
463 | strcat (string, "/.emacs-server-"); | |
464 | uname (&system_name); | |
465 | strcat (string, system_name.nodename); | |
466 | #endif | |
d953f306 RS |
467 | creat (string, 0600); |
468 | key = ftok (string, 1); /* unlikely to be anyone else using it */ | |
469 | s = msgget (key, 0600 | IPC_CREAT); | |
470 | if (s == -1) | |
471 | { | |
ccd318fb | 472 | perror_1 ("msgget"); |
d953f306 RS |
473 | exit (1); |
474 | } | |
475 | ||
476 | /* Fork so we can close connection even if parent dies */ | |
477 | p = fork (); | |
478 | if (setjmp (msgenv)) | |
479 | { | |
480 | msgctl (s, IPC_RMID, 0); | |
b8a0f2d8 RS |
481 | if (p > 0) |
482 | kill (p, SIGKILL); | |
d953f306 RS |
483 | exit (0); |
484 | } | |
485 | signal (SIGTERM, msgcatch); | |
486 | signal (SIGINT, msgcatch); | |
b8a0f2d8 | 487 | signal (SIGHUP, msgcatch); |
9e3891de | 488 | if (p > 0) |
d953f306 | 489 | { |
9e3891de RS |
490 | /* This is executed in the original process that did the fork above. */ |
491 | /* Get pid of Emacs itself. */ | |
d953f306 RS |
492 | p = getppid (); |
493 | setpgrp (); /* Gnu kills process group on exit */ | |
494 | while (1) | |
495 | { | |
9e3891de | 496 | /* Is Emacs still alive? */ |
d953f306 RS |
497 | if (kill (p, 0) < 0) |
498 | { | |
499 | msgctl (s, IPC_RMID, 0); | |
500 | exit (0); | |
501 | } | |
502 | sleep (10); | |
503 | } | |
504 | } | |
505 | ||
2f317998 RS |
506 | /* This is executed in the child made by forking above. |
507 | Call it c1. Make another process, ioproc. */ | |
508 | ||
509 | ioproc = fork (); | |
510 | if (ioproc == 0) | |
511 | { | |
512 | /* In process ioproc, wait for text from Emacs, | |
513 | and send it to the process c1. | |
514 | This way, c1 only has to wait for one source of input. */ | |
515 | while (fgets (msgp->mtext, BUFSIZ, stdin)) | |
516 | { | |
517 | msgp->mtype = 1; | |
518 | msgsnd (s, msgp, strlen (msgp->mtext) + 1, 0); | |
519 | } | |
520 | exit (1); | |
521 | } | |
522 | ||
523 | /* In the process c1, | |
524 | listen for messages from clients and pass them to Emacs. */ | |
d953f306 RS |
525 | while (1) |
526 | { | |
527 | if ((fromlen = msgrcv (s, msgp, BUFSIZ - 1, 1, 0)) < 0) | |
528 | { | |
b8a0f2d8 RS |
529 | #ifdef EINTR |
530 | if (errno == EINTR) | |
531 | continue; | |
532 | #endif | |
ccd318fb | 533 | perror_1 ("msgrcv"); |
1464f5d5 | 534 | exit (1); |
d953f306 RS |
535 | } |
536 | else | |
537 | { | |
538 | msgctl (s, IPC_STAT, &msg_st); | |
2f317998 RS |
539 | |
540 | /* Distinguish whether the message came from a client, or from | |
541 | ioproc. */ | |
542 | if (msg_st.msg_lspid == ioproc) | |
543 | { | |
544 | char code[BUFSIZ]; | |
545 | int inproc; | |
546 | ||
547 | /* Message from ioproc: tell a client we are done. */ | |
548 | msgp->mtext[strlen (msgp->mtext)-1] = 0; | |
549 | sscanf (msgp->mtext, "%s %d", code, &inproc); | |
550 | msgp->mtype = inproc; | |
551 | msgsnd (s, msgp, strlen (msgp->mtext) + 1, 0); | |
552 | continue; | |
553 | } | |
554 | ||
555 | /* This is a request from a client: copy to stdout | |
556 | so that Emacs will get it. Include msg_lspid | |
557 | so server.el can tell us where to send the reply. */ | |
d953f306 RS |
558 | strncpy (string, msgp->mtext, fromlen); |
559 | string[fromlen] = 0; /* make sure */ | |
560 | /* Newline is part of string.. */ | |
2f317998 | 561 | printf ("Client: %d %s", msg_st.msg_lspid, string); |
d953f306 | 562 | fflush (stdout); |
d953f306 RS |
563 | } |
564 | } | |
565 | } | |
566 | ||
567 | #endif /* HAVE_SYSVIPC */ | |
568 | ||
ccd318fb RS |
569 | \f |
570 | /* This is like perror but puts `Error: ' at the beginning. */ | |
571 | ||
4e7ef1d6 | 572 | void |
ccd318fb RS |
573 | perror_1 (string) |
574 | char *string; | |
575 | { | |
576 | char *copy = (char *) malloc (strlen (string) + 8); | |
577 | if (copy == 0) | |
578 | fatal_error ("Virtual memory exhausted"); | |
579 | ||
580 | strcpy (copy, "Error: "); | |
581 | strcat (copy, string); | |
582 | perror (copy); | |
583 | } | |
584 | ||
4e7ef1d6 | 585 | void |
ccd318fb RS |
586 | fatal_error (string) |
587 | char *string; | |
588 | { | |
589 | fprintf (stderr, "%s", "Error: "); | |
590 | fprintf (stderr, string); | |
591 | exit (1); | |
592 | } | |
bbe73f05 | 593 | #endif /* HAVE_SOCKETS or HAVE_SYSVIPC */ |