Commit | Line | Data |
---|---|---|
9552e6b8 DF |
1 | /* |
2 | * Copyright (c) 1980 Regents of the University of California. | |
0c5f72fb KB |
3 | * All rights reserved. |
4 | * | |
f15db449 | 5 | * %sccs.include.redist.c% |
9552e6b8 DF |
6 | */ |
7 | ||
acfc7e9b | 8 | #ifndef lint |
bd0fc4b3 | 9 | static char sccsid[] = "@(#)lex.c 5.25 (Berkeley) %G%"; |
acfc7e9b | 10 | #endif /* not lint */ |
ac72cd41 KS |
11 | |
12 | #include "rcv.h" | |
c17bf5b6 | 13 | #include <errno.h> |
a0d23834 KB |
14 | #include <fcntl.h> |
15 | #include "extern.h" | |
ac72cd41 KS |
16 | |
17 | /* | |
18 | * Mail -- a mail program | |
19 | * | |
20 | * Lexical processing of commands. | |
21 | */ | |
22 | ||
07c257b5 | 23 | char *prompt = "& "; |
e5717bff KS |
24 | |
25 | /* | |
26 | * Set up editing on the given file name. | |
8421b6a6 EW |
27 | * If the first character of name is %, we are considered to be |
28 | * editing the file, otherwise we are reading our mail which has | |
29 | * signficance for mbox and so forth. | |
e5717bff | 30 | */ |
a0d23834 | 31 | int |
8421b6a6 | 32 | setfile(name) |
e5717bff KS |
33 | char *name; |
34 | { | |
35 | FILE *ibuf; | |
36 | int i; | |
fb4186f8 | 37 | struct stat stb; |
8421b6a6 EW |
38 | char isedit = *name != '%'; |
39 | char *who = name[1] ? name + 1 : myname; | |
e5717bff | 40 | static int shudclob; |
e5717bff | 41 | extern char tempMesg[]; |
c17bf5b6 | 42 | extern int errno; |
e5717bff | 43 | |
8421b6a6 EW |
44 | if ((name = expand(name)) == NOSTR) |
45 | return -1; | |
46 | ||
07b0d286 | 47 | if ((ibuf = Fopen(name, "r")) == NULL) { |
8421b6a6 EW |
48 | if (!isedit && errno == ENOENT) |
49 | goto nomail; | |
2ee3bce2 | 50 | perror(name); |
e5717bff | 51 | return(-1); |
2ee3bce2 | 52 | } |
c17bf5b6 S |
53 | |
54 | if (fstat(fileno(ibuf), &stb) < 0) { | |
2ee3bce2 | 55 | perror("fstat"); |
07b0d286 | 56 | Fclose(ibuf); |
c17bf5b6 S |
57 | return (-1); |
58 | } | |
59 | ||
60 | switch (stb.st_mode & S_IFMT) { | |
61 | case S_IFDIR: | |
07b0d286 | 62 | Fclose(ibuf); |
c17bf5b6 | 63 | errno = EISDIR; |
2ee3bce2 | 64 | perror(name); |
c17bf5b6 S |
65 | return (-1); |
66 | ||
67 | case S_IFREG: | |
68 | break; | |
69 | ||
70 | default: | |
07b0d286 | 71 | Fclose(ibuf); |
c17bf5b6 | 72 | errno = EINVAL; |
2ee3bce2 | 73 | perror(name); |
c17bf5b6 S |
74 | return (-1); |
75 | } | |
76 | ||
e5717bff KS |
77 | /* |
78 | * Looks like all will be well. We must now relinquish our | |
177b7a73 | 79 | * hold on the current set of stuff. Must hold signals |
e5717bff KS |
80 | * while we are reading the new file, else we will ruin |
81 | * the message[] data structure. | |
82 | */ | |
83 | ||
177b7a73 | 84 | holdsigs(); |
2ee3bce2 EW |
85 | if (shudclob) |
86 | quit(); | |
e5717bff KS |
87 | |
88 | /* | |
89 | * Copy the messages into /tmp | |
90 | * and set pointers. | |
91 | */ | |
92 | ||
93 | readonly = 0; | |
94 | if ((i = open(name, 1)) < 0) | |
95 | readonly++; | |
96 | else | |
97 | close(i); | |
98 | if (shudclob) { | |
99 | fclose(itf); | |
100 | fclose(otf); | |
101 | } | |
102 | shudclob = 1; | |
103 | edit = isedit; | |
8421b6a6 | 104 | strcpy(prevfile, mailname); |
128ec005 KS |
105 | if (name != mailname) |
106 | strcpy(mailname, name); | |
e5717bff KS |
107 | mailsize = fsize(ibuf); |
108 | if ((otf = fopen(tempMesg, "w")) == NULL) { | |
109 | perror(tempMesg); | |
110 | exit(1); | |
111 | } | |
bd0fc4b3 | 112 | (void) fcntl(fileno(otf), F_SETFD, 1); |
e5717bff KS |
113 | if ((itf = fopen(tempMesg, "r")) == NULL) { |
114 | perror(tempMesg); | |
115 | exit(1); | |
116 | } | |
bd0fc4b3 | 117 | (void) fcntl(fileno(itf), F_SETFD, 1); |
f82cf0f0 | 118 | rm(tempMesg); |
e5717bff KS |
119 | setptr(ibuf); |
120 | setmsize(msgCount); | |
07b0d286 | 121 | Fclose(ibuf); |
177b7a73 | 122 | relsesigs(); |
335704ca | 123 | sawcom = 0; |
8421b6a6 EW |
124 | if (!edit && msgCount == 0) { |
125 | nomail: | |
126 | fprintf(stderr, "No mail for %s\n", who); | |
127 | return -1; | |
128 | } | |
e5717bff KS |
129 | return(0); |
130 | } | |
ac72cd41 | 131 | |
2ee3bce2 EW |
132 | int *msgvec; |
133 | int reset_on_stop; /* do a reset() if stopped */ | |
134 | ||
ac72cd41 KS |
135 | /* |
136 | * Interpret user commands one by one. If standard input is not a tty, | |
137 | * print no prompt. | |
138 | */ | |
a0d23834 | 139 | void |
ac72cd41 KS |
140 | commands() |
141 | { | |
2ee3bce2 | 142 | int eofloop = 0; |
ac72cd41 KS |
143 | register int n; |
144 | char linebuf[LINESIZE]; | |
a6714963 | 145 | void intr(), stop(), hangup(); |
ac72cd41 | 146 | |
2ee3bce2 | 147 | if (!sourcing) { |
828615a1 | 148 | if (signal(SIGINT, SIG_IGN) != SIG_IGN) |
2ee3bce2 | 149 | signal(SIGINT, intr); |
828615a1 EW |
150 | if (signal(SIGHUP, SIG_IGN) != SIG_IGN) |
151 | signal(SIGHUP, hangup); | |
2ee3bce2 EW |
152 | signal(SIGTSTP, stop); |
153 | signal(SIGTTOU, stop); | |
154 | signal(SIGTTIN, stop); | |
726c3356 | 155 | } |
2ee3bce2 | 156 | setexit(); |
ac72cd41 | 157 | for (;;) { |
ac72cd41 KS |
158 | /* |
159 | * Print the prompt, if needed. Clear out | |
160 | * string space, and flush the output. | |
161 | */ | |
686f6134 | 162 | if (!sourcing && value("interactive") != NOSTR) { |
2ee3bce2 | 163 | reset_on_stop = 1; |
28bcd25d | 164 | printf(prompt); |
828615a1 EW |
165 | } |
166 | fflush(stdout); | |
f674e088 | 167 | sreset(); |
ac72cd41 KS |
168 | /* |
169 | * Read a line of commands from the current input | |
170 | * and handle end of file specially. | |
171 | */ | |
ac72cd41 KS |
172 | n = 0; |
173 | for (;;) { | |
2ee3bce2 EW |
174 | if (readline(input, &linebuf[n], LINESIZE - n) < 0) { |
175 | if (n == 0) | |
176 | n = -1; | |
177 | break; | |
ac72cd41 KS |
178 | } |
179 | if ((n = strlen(linebuf)) == 0) | |
180 | break; | |
181 | n--; | |
182 | if (linebuf[n] != '\\') | |
183 | break; | |
184 | linebuf[n++] = ' '; | |
185 | } | |
2ee3bce2 EW |
186 | reset_on_stop = 0; |
187 | if (n < 0) { | |
188 | /* eof */ | |
189 | if (loading) | |
190 | break; | |
191 | if (sourcing) { | |
192 | unstack(); | |
193 | continue; | |
194 | } | |
195 | if (value("interactive") != NOSTR && | |
196 | value("ignoreeof") != NOSTR && | |
197 | ++eofloop < 25) { | |
198 | printf("Use \"quit\" to quit.\n"); | |
199 | continue; | |
200 | } | |
201 | break; | |
202 | } | |
203 | eofloop = 0; | |
2cd8e0a9 | 204 | if (execute(linebuf, 0)) |
2ee3bce2 | 205 | break; |
ac72cd41 KS |
206 | } |
207 | } | |
208 | ||
209 | /* | |
2ee3bce2 EW |
210 | * Execute a single command. |
211 | * Command functions return 0 for success, 1 for error, and -1 | |
212 | * for abort. A 1 or -1 aborts a load or source. A -1 aborts | |
213 | * the interactive command loop. | |
2cd8e0a9 | 214 | * Contxt is non-zero if called while composing mail. |
ac72cd41 | 215 | */ |
a0d23834 | 216 | int |
2cd8e0a9 | 217 | execute(linebuf, contxt) |
ac72cd41 | 218 | char linebuf[]; |
a0d23834 | 219 | int contxt; |
ac72cd41 KS |
220 | { |
221 | char word[LINESIZE]; | |
222 | char *arglist[MAXARGC]; | |
223 | struct cmd *com; | |
224 | register char *cp, *cp2; | |
225 | register int c; | |
e5717bff | 226 | int muvec[2]; |
2ee3bce2 | 227 | int e = 1; |
ac72cd41 KS |
228 | |
229 | /* | |
230 | * Strip the white space away from the beginning | |
231 | * of the command, then scan out a word, which | |
232 | * consists of anything except digits and white space. | |
233 | * | |
234 | * Handle ! escapes differently to get the correct | |
235 | * lexical conventions. | |
236 | */ | |
237 | ||
828615a1 EW |
238 | for (cp = linebuf; isspace(*cp); cp++) |
239 | ; | |
ac72cd41 KS |
240 | if (*cp == '!') { |
241 | if (sourcing) { | |
242 | printf("Can't \"!\" while sourcing\n"); | |
2ee3bce2 | 243 | goto out; |
ac72cd41 KS |
244 | } |
245 | shell(cp+1); | |
246 | return(0); | |
247 | } | |
248 | cp2 = word; | |
470c33f3 | 249 | while (*cp && index(" \t0123456789$^.:/-+*'\"", *cp) == NOSTR) |
ac72cd41 KS |
250 | *cp2++ = *cp++; |
251 | *cp2 = '\0'; | |
252 | ||
253 | /* | |
254 | * Look up the command; if not found, bitch. | |
255 | * Normally, a blank command would map to the | |
256 | * first command in the table; while sourcing, | |
257 | * however, we ignore blank lines to eliminate | |
258 | * confusion. | |
259 | */ | |
260 | ||
828615a1 | 261 | if (sourcing && *word == '\0') |
ac72cd41 KS |
262 | return(0); |
263 | com = lex(word); | |
264 | if (com == NONE) { | |
7a05656e | 265 | printf("Unknown command: \"%s\"\n", word); |
2ee3bce2 | 266 | goto out; |
ac72cd41 KS |
267 | } |
268 | ||
128ec005 KS |
269 | /* |
270 | * See if we should execute the command -- if a conditional | |
271 | * we always execute it, otherwise, check the state of cond. | |
272 | */ | |
273 | ||
989e19a2 | 274 | if ((com->c_argtype & F) == 0) |
128ec005 KS |
275 | if (cond == CRCV && !rcvmode || cond == CSEND && rcvmode) |
276 | return(0); | |
277 | ||
ac72cd41 KS |
278 | /* |
279 | * Process the arguments to the command, depending | |
280 | * on the type he expects. Default to an error. | |
281 | * If we are sourcing an interactive command, it's | |
282 | * an error. | |
283 | */ | |
284 | ||
285 | if (!rcvmode && (com->c_argtype & M) == 0) { | |
286 | printf("May not execute \"%s\" while sending\n", | |
287 | com->c_name); | |
2ee3bce2 | 288 | goto out; |
ac72cd41 KS |
289 | } |
290 | if (sourcing && com->c_argtype & I) { | |
291 | printf("May not execute \"%s\" while sourcing\n", | |
292 | com->c_name); | |
2ee3bce2 | 293 | goto out; |
ac72cd41 | 294 | } |
e5717bff KS |
295 | if (readonly && com->c_argtype & W) { |
296 | printf("May not execute \"%s\" -- message file is read only\n", | |
297 | com->c_name); | |
2ee3bce2 | 298 | goto out; |
e5717bff | 299 | } |
2cd8e0a9 KS |
300 | if (contxt && com->c_argtype & R) { |
301 | printf("Cannot recursively invoke \"%s\"\n", com->c_name); | |
2ee3bce2 | 302 | goto out; |
2cd8e0a9 | 303 | } |
2cd8e0a9 | 304 | switch (com->c_argtype & ~(F|P|I|M|T|W|R)) { |
ac72cd41 KS |
305 | case MSGLIST: |
306 | /* | |
307 | * A message list defaulting to nearest forward | |
308 | * legal message. | |
309 | */ | |
7a05656e KS |
310 | if (msgvec == 0) { |
311 | printf("Illegal use of \"message list\"\n"); | |
2ee3bce2 | 312 | break; |
7a05656e | 313 | } |
ac72cd41 KS |
314 | if ((c = getmsglist(cp, msgvec, com->c_msgflag)) < 0) |
315 | break; | |
316 | if (c == 0) { | |
317 | *msgvec = first(com->c_msgflag, | |
318 | com->c_msgmask); | |
319 | msgvec[1] = NULL; | |
320 | } | |
321 | if (*msgvec == NULL) { | |
322 | printf("No applicable messages\n"); | |
323 | break; | |
324 | } | |
325 | e = (*com->c_func)(msgvec); | |
326 | break; | |
327 | ||
328 | case NDMLIST: | |
329 | /* | |
330 | * A message list with no defaults, but no error | |
331 | * if none exist. | |
332 | */ | |
7a05656e KS |
333 | if (msgvec == 0) { |
334 | printf("Illegal use of \"message list\"\n"); | |
2ee3bce2 | 335 | break; |
7a05656e | 336 | } |
ac72cd41 KS |
337 | if (getmsglist(cp, msgvec, com->c_msgflag) < 0) |
338 | break; | |
339 | e = (*com->c_func)(msgvec); | |
340 | break; | |
341 | ||
342 | case STRLIST: | |
343 | /* | |
344 | * Just the straight string, with | |
345 | * leading blanks removed. | |
346 | */ | |
828615a1 | 347 | while (isspace(*cp)) |
ac72cd41 KS |
348 | cp++; |
349 | e = (*com->c_func)(cp); | |
350 | break; | |
351 | ||
352 | case RAWLIST: | |
353 | /* | |
354 | * A vector of strings, in shell style. | |
355 | */ | |
fee4667a S |
356 | if ((c = getrawlist(cp, arglist, |
357 | sizeof arglist / sizeof *arglist)) < 0) | |
ac72cd41 KS |
358 | break; |
359 | if (c < com->c_minargs) { | |
360 | printf("%s requires at least %d arg(s)\n", | |
361 | com->c_name, com->c_minargs); | |
362 | break; | |
363 | } | |
364 | if (c > com->c_maxargs) { | |
365 | printf("%s takes no more than %d arg(s)\n", | |
366 | com->c_name, com->c_maxargs); | |
367 | break; | |
368 | } | |
369 | e = (*com->c_func)(arglist); | |
370 | break; | |
371 | ||
372 | case NOLIST: | |
373 | /* | |
374 | * Just the constant zero, for exiting, | |
375 | * eg. | |
376 | */ | |
377 | e = (*com->c_func)(0); | |
378 | break; | |
379 | ||
380 | default: | |
381 | panic("Unknown argtype"); | |
382 | } | |
383 | ||
2ee3bce2 | 384 | out: |
ac72cd41 KS |
385 | /* |
386 | * Exit the current source file on | |
387 | * error. | |
388 | */ | |
2ee3bce2 EW |
389 | if (e) { |
390 | if (e < 0) | |
391 | return 1; | |
392 | if (loading) | |
393 | return 1; | |
394 | if (sourcing) | |
395 | unstack(); | |
396 | return 0; | |
397 | } | |
ac72cd41 | 398 | if (value("autoprint") != NOSTR && com->c_argtype & P) |
e5717bff KS |
399 | if ((dot->m_flag & MDELETED) == 0) { |
400 | muvec[0] = dot - &message[0] + 1; | |
401 | muvec[1] = 0; | |
402 | type(muvec); | |
403 | } | |
128ec005 | 404 | if (!sourcing && (com->c_argtype & T) == 0) |
ac72cd41 KS |
405 | sawcom = 1; |
406 | return(0); | |
407 | } | |
408 | ||
e5717bff KS |
409 | /* |
410 | * Set the size of the message vector used to construct argument | |
411 | * lists to message list functions. | |
412 | */ | |
a0d23834 | 413 | void |
e5717bff | 414 | setmsize(sz) |
a0d23834 | 415 | int sz; |
e5717bff KS |
416 | { |
417 | ||
828615a1 EW |
418 | if (msgvec != 0) |
419 | cfree((char *) msgvec); | |
e5717bff KS |
420 | msgvec = (int *) calloc((unsigned) (sz + 1), sizeof *msgvec); |
421 | } | |
422 | ||
ac72cd41 KS |
423 | /* |
424 | * Find the correct command in the command table corresponding | |
425 | * to the passed command "word" | |
426 | */ | |
427 | ||
428 | struct cmd * | |
429 | lex(word) | |
430 | char word[]; | |
431 | { | |
432 | register struct cmd *cp; | |
433 | extern struct cmd cmdtab[]; | |
434 | ||
435 | for (cp = &cmdtab[0]; cp->c_name != NOSTR; cp++) | |
436 | if (isprefix(word, cp->c_name)) | |
437 | return(cp); | |
438 | return(NONE); | |
439 | } | |
440 | ||
441 | /* | |
442 | * Determine if as1 is a valid prefix of as2. | |
443 | * Return true if yep. | |
444 | */ | |
a0d23834 | 445 | int |
ac72cd41 KS |
446 | isprefix(as1, as2) |
447 | char *as1, *as2; | |
448 | { | |
449 | register char *s1, *s2; | |
450 | ||
451 | s1 = as1; | |
452 | s2 = as2; | |
453 | while (*s1++ == *s2) | |
454 | if (*s2++ == '\0') | |
455 | return(1); | |
456 | return(*--s1 == '\0'); | |
457 | } | |
458 | ||
459 | /* | |
828615a1 | 460 | * The following gets called on receipt of an interrupt. This is |
ac72cd41 KS |
461 | * to abort printout of a command, mainly. |
462 | * Dispatching here when command() is inactive crashes rcv. | |
463 | * Close all open files except 0, 1, 2, and the temporary. | |
ac72cd41 KS |
464 | * Also, unstack all source files. |
465 | */ | |
466 | ||
e39b1d85 KS |
467 | int inithdr; /* am printing startup headers */ |
468 | ||
828615a1 | 469 | /*ARGSUSED*/ |
a6714963 | 470 | void |
2ee3bce2 | 471 | intr(s) |
a0d23834 | 472 | int s; |
ac72cd41 | 473 | { |
ac72cd41 KS |
474 | |
475 | noreset = 0; | |
e39b1d85 KS |
476 | if (!inithdr) |
477 | sawcom++; | |
478 | inithdr = 0; | |
ac72cd41 KS |
479 | while (sourcing) |
480 | unstack(); | |
46053c99 | 481 | |
07b0d286 | 482 | close_all_files(); |
46053c99 | 483 | |
ac72cd41 KS |
484 | if (image >= 0) { |
485 | close(image); | |
486 | image = -1; | |
487 | } | |
80187484 | 488 | fprintf(stderr, "Interrupt\n"); |
ac72cd41 KS |
489 | reset(0); |
490 | } | |
491 | ||
2ee3bce2 EW |
492 | /* |
493 | * When we wake up after ^Z, reprint the prompt. | |
494 | */ | |
a6714963 | 495 | void |
2ee3bce2 | 496 | stop(s) |
a0d23834 | 497 | int s; |
2ee3bce2 | 498 | { |
e62a1467 | 499 | sig_t old_action = signal(s, SIG_DFL); |
2ee3bce2 EW |
500 | |
501 | sigsetmask(sigblock(0) & ~sigmask(s)); | |
502 | kill(0, s); | |
503 | sigblock(sigmask(s)); | |
504 | signal(s, old_action); | |
505 | if (reset_on_stop) { | |
506 | reset_on_stop = 0; | |
507 | reset(0); | |
508 | } | |
509 | } | |
510 | ||
511 | /* | |
512 | * Branch here on hangup signal and simulate "exit". | |
513 | */ | |
514 | /*ARGSUSED*/ | |
a6714963 | 515 | void |
2ee3bce2 | 516 | hangup(s) |
a0d23834 | 517 | int s; |
2ee3bce2 EW |
518 | { |
519 | ||
520 | /* nothing to do? */ | |
521 | exit(1); | |
522 | } | |
523 | ||
ac72cd41 KS |
524 | /* |
525 | * Announce the presence of the current Mail version, | |
526 | * give the message count, and print a header listing. | |
527 | */ | |
a0d23834 | 528 | void |
4d20fb09 | 529 | announce() |
ac72cd41 | 530 | { |
f3bfa857 | 531 | int vec[2], mdot; |
74745497 KS |
532 | |
533 | mdot = newfileinfo(); | |
534 | vec[0] = mdot; | |
535 | vec[1] = 0; | |
74745497 | 536 | dot = &message[mdot - 1]; |
209a87d1 | 537 | if (msgCount > 0 && value("noheader") == NOSTR) { |
e39b1d85 | 538 | inithdr++; |
74745497 | 539 | headers(vec); |
e39b1d85 KS |
540 | inithdr = 0; |
541 | } | |
74745497 KS |
542 | } |
543 | ||
544 | /* | |
545 | * Announce information about the file we are editing. | |
546 | * Return a likely place to set dot. | |
547 | */ | |
a0d23834 | 548 | int |
74745497 KS |
549 | newfileinfo() |
550 | { | |
ac72cd41 | 551 | register struct message *mp; |
83be1edb | 552 | register int u, n, mdot, d, s; |
46d3d6df | 553 | char fname[BUFSIZ], zname[BUFSIZ], *ename; |
ac72cd41 | 554 | |
c52f0860 KS |
555 | for (mp = &message[0]; mp < &message[msgCount]; mp++) |
556 | if (mp->m_flag & MNEW) | |
557 | break; | |
f3bfa857 KS |
558 | if (mp >= &message[msgCount]) |
559 | for (mp = &message[0]; mp < &message[msgCount]; mp++) | |
560 | if ((mp->m_flag & MREAD) == 0) | |
561 | break; | |
c52f0860 | 562 | if (mp < &message[msgCount]) |
f3bfa857 | 563 | mdot = mp - &message[0] + 1; |
c52f0860 | 564 | else |
f3bfa857 | 565 | mdot = 1; |
83be1edb | 566 | s = d = 0; |
128ec005 KS |
567 | for (mp = &message[0], n = 0, u = 0; mp < &message[msgCount]; mp++) { |
568 | if (mp->m_flag & MNEW) | |
569 | n++; | |
570 | if ((mp->m_flag & MREAD) == 0) | |
571 | u++; | |
83be1edb KS |
572 | if (mp->m_flag & MDELETED) |
573 | d++; | |
574 | if (mp->m_flag & MSAVED) | |
575 | s++; | |
128ec005 | 576 | } |
46d3d6df KS |
577 | ename = mailname; |
578 | if (getfold(fname) >= 0) { | |
579 | strcat(fname, "/"); | |
580 | if (strncmp(fname, mailname, strlen(fname)) == 0) { | |
581 | sprintf(zname, "+%s", mailname + strlen(fname)); | |
582 | ename = zname; | |
583 | } | |
584 | } | |
585 | printf("\"%s\": ", ename); | |
74745497 KS |
586 | if (msgCount == 1) |
587 | printf("1 message"); | |
588 | else | |
589 | printf("%d messages", msgCount); | |
128ec005 KS |
590 | if (n > 0) |
591 | printf(" %d new", n); | |
592 | if (u-n > 0) | |
593 | printf(" %d unread", u); | |
83be1edb KS |
594 | if (d > 0) |
595 | printf(" %d deleted", d); | |
596 | if (s > 0) | |
597 | printf(" %d saved", s); | |
74745497 KS |
598 | if (readonly) |
599 | printf(" [Read only]"); | |
e5717bff | 600 | printf("\n"); |
74745497 | 601 | return(mdot); |
ac72cd41 KS |
602 | } |
603 | ||
ac72cd41 KS |
604 | /* |
605 | * Print the current version number. | |
606 | */ | |
607 | ||
828615a1 | 608 | /*ARGSUSED*/ |
a0d23834 | 609 | int |
ac72cd41 | 610 | pversion(e) |
a0d23834 | 611 | int e; |
ac72cd41 | 612 | { |
001d60ad | 613 | extern char *version; |
828615a1 | 614 | |
a0aaf589 | 615 | printf("Version %s\n", version); |
ac72cd41 KS |
616 | return(0); |
617 | } | |
7a05656e KS |
618 | |
619 | /* | |
620 | * Load a file of user definitions. | |
621 | */ | |
a0d23834 | 622 | void |
7a05656e KS |
623 | load(name) |
624 | char *name; | |
625 | { | |
626 | register FILE *in, *oldin; | |
627 | ||
07b0d286 | 628 | if ((in = Fopen(name, "r")) == NULL) |
7a05656e KS |
629 | return; |
630 | oldin = input; | |
631 | input = in; | |
632 | loading = 1; | |
633 | sourcing = 1; | |
634 | commands(); | |
635 | loading = 0; | |
636 | sourcing = 0; | |
637 | input = oldin; | |
07b0d286 | 638 | Fclose(in); |
7a05656e | 639 | } |