Commit | Line | Data |
---|---|---|
9552e6b8 DF |
1 | /* |
2 | * Copyright (c) 1980 Regents of the University of California. | |
0c5f72fb KB |
3 | * All rights reserved. |
4 | * | |
5 | * Redistribution and use in source and binary forms are permitted | |
acfc7e9b KB |
6 | * provided that the above copyright notice and this paragraph are |
7 | * duplicated in all such forms and that any documentation, | |
8 | * advertising materials, and other materials related to such | |
9 | * distribution and use acknowledge that the software was developed | |
10 | * by the University of California, Berkeley. The name of the | |
11 | * University may not be used to endorse or promote products derived | |
12 | * from this software without specific prior written permission. | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
9552e6b8 DF |
16 | */ |
17 | ||
acfc7e9b | 18 | #ifndef lint |
2ee3bce2 | 19 | static char sccsid[] = "@(#)lex.c 5.17 (Berkeley) %G%"; |
acfc7e9b | 20 | #endif /* not lint */ |
ac72cd41 KS |
21 | |
22 | #include "rcv.h" | |
fb4186f8 | 23 | #include <sys/stat.h> |
c17bf5b6 | 24 | #include <errno.h> |
ac72cd41 KS |
25 | |
26 | /* | |
27 | * Mail -- a mail program | |
28 | * | |
29 | * Lexical processing of commands. | |
30 | */ | |
31 | ||
07c257b5 | 32 | char *prompt = "& "; |
e5717bff KS |
33 | |
34 | /* | |
35 | * Set up editing on the given file name. | |
36 | * If isedit is true, we are considered to be editing the file, | |
37 | * otherwise we are reading our mail which has signficance for | |
38 | * mbox and so forth. | |
39 | */ | |
40 | ||
41 | setfile(name, isedit) | |
42 | char *name; | |
43 | { | |
44 | FILE *ibuf; | |
45 | int i; | |
fb4186f8 | 46 | struct stat stb; |
e5717bff | 47 | static int shudclob; |
e5717bff | 48 | extern char tempMesg[]; |
c17bf5b6 | 49 | extern int errno; |
e5717bff | 50 | |
2ee3bce2 EW |
51 | if ((ibuf = fopen(name, "r")) == NULL) { |
52 | perror(name); | |
e5717bff | 53 | return(-1); |
2ee3bce2 | 54 | } |
c17bf5b6 S |
55 | |
56 | if (fstat(fileno(ibuf), &stb) < 0) { | |
2ee3bce2 | 57 | perror("fstat"); |
c17bf5b6 S |
58 | fclose(ibuf); |
59 | return (-1); | |
60 | } | |
61 | ||
62 | switch (stb.st_mode & S_IFMT) { | |
63 | case S_IFDIR: | |
64 | fclose(ibuf); | |
65 | errno = EISDIR; | |
2ee3bce2 | 66 | perror(name); |
c17bf5b6 S |
67 | return (-1); |
68 | ||
69 | case S_IFREG: | |
70 | break; | |
71 | ||
72 | default: | |
73 | fclose(ibuf); | |
74 | errno = EINVAL; | |
2ee3bce2 | 75 | perror(name); |
c17bf5b6 S |
76 | return (-1); |
77 | } | |
78 | ||
e5717bff KS |
79 | /* |
80 | * Looks like all will be well. We must now relinquish our | |
177b7a73 | 81 | * hold on the current set of stuff. Must hold signals |
e5717bff KS |
82 | * while we are reading the new file, else we will ruin |
83 | * the message[] data structure. | |
84 | */ | |
85 | ||
177b7a73 | 86 | holdsigs(); |
2ee3bce2 EW |
87 | if (shudclob) |
88 | quit(); | |
e5717bff KS |
89 | |
90 | /* | |
91 | * Copy the messages into /tmp | |
92 | * and set pointers. | |
93 | */ | |
94 | ||
95 | readonly = 0; | |
96 | if ((i = open(name, 1)) < 0) | |
97 | readonly++; | |
98 | else | |
99 | close(i); | |
100 | if (shudclob) { | |
101 | fclose(itf); | |
102 | fclose(otf); | |
103 | } | |
104 | shudclob = 1; | |
105 | edit = isedit; | |
128ec005 KS |
106 | if (name != mailname) |
107 | strcpy(mailname, name); | |
e5717bff KS |
108 | mailsize = fsize(ibuf); |
109 | if ((otf = fopen(tempMesg, "w")) == NULL) { | |
110 | perror(tempMesg); | |
111 | exit(1); | |
112 | } | |
113 | if ((itf = fopen(tempMesg, "r")) == NULL) { | |
114 | perror(tempMesg); | |
115 | exit(1); | |
116 | } | |
117 | remove(tempMesg); | |
118 | setptr(ibuf); | |
119 | setmsize(msgCount); | |
120 | fclose(ibuf); | |
177b7a73 | 121 | relsesigs(); |
335704ca | 122 | sawcom = 0; |
e5717bff KS |
123 | return(0); |
124 | } | |
ac72cd41 | 125 | |
2ee3bce2 EW |
126 | int *msgvec; |
127 | int reset_on_stop; /* do a reset() if stopped */ | |
128 | ||
ac72cd41 KS |
129 | /* |
130 | * Interpret user commands one by one. If standard input is not a tty, | |
131 | * print no prompt. | |
132 | */ | |
ac72cd41 KS |
133 | commands() |
134 | { | |
2ee3bce2 | 135 | int eofloop = 0; |
ac72cd41 KS |
136 | register int n; |
137 | char linebuf[LINESIZE]; | |
2ee3bce2 | 138 | int intr(), stop(), hangup(), contin(); |
ac72cd41 | 139 | |
2ee3bce2 | 140 | if (!sourcing) { |
828615a1 | 141 | if (signal(SIGINT, SIG_IGN) != SIG_IGN) |
2ee3bce2 | 142 | signal(SIGINT, intr); |
828615a1 EW |
143 | if (signal(SIGHUP, SIG_IGN) != SIG_IGN) |
144 | signal(SIGHUP, hangup); | |
2ee3bce2 EW |
145 | signal(SIGTSTP, stop); |
146 | signal(SIGTTOU, stop); | |
147 | signal(SIGTTIN, stop); | |
726c3356 | 148 | } |
2ee3bce2 | 149 | setexit(); |
ac72cd41 | 150 | for (;;) { |
ac72cd41 KS |
151 | /* |
152 | * Print the prompt, if needed. Clear out | |
153 | * string space, and flush the output. | |
154 | */ | |
686f6134 | 155 | if (!sourcing && value("interactive") != NOSTR) { |
2ee3bce2 | 156 | reset_on_stop = 1; |
28bcd25d | 157 | printf(prompt); |
828615a1 EW |
158 | } |
159 | fflush(stdout); | |
f674e088 | 160 | sreset(); |
ac72cd41 KS |
161 | /* |
162 | * Read a line of commands from the current input | |
163 | * and handle end of file specially. | |
164 | */ | |
ac72cd41 KS |
165 | n = 0; |
166 | for (;;) { | |
2ee3bce2 EW |
167 | if (readline(input, &linebuf[n], LINESIZE - n) < 0) { |
168 | if (n == 0) | |
169 | n = -1; | |
170 | break; | |
ac72cd41 KS |
171 | } |
172 | if ((n = strlen(linebuf)) == 0) | |
173 | break; | |
174 | n--; | |
175 | if (linebuf[n] != '\\') | |
176 | break; | |
177 | linebuf[n++] = ' '; | |
178 | } | |
2ee3bce2 EW |
179 | reset_on_stop = 0; |
180 | if (n < 0) { | |
181 | /* eof */ | |
182 | if (loading) | |
183 | break; | |
184 | if (sourcing) { | |
185 | unstack(); | |
186 | continue; | |
187 | } | |
188 | if (value("interactive") != NOSTR && | |
189 | value("ignoreeof") != NOSTR && | |
190 | ++eofloop < 25) { | |
191 | printf("Use \"quit\" to quit.\n"); | |
192 | continue; | |
193 | } | |
194 | break; | |
195 | } | |
196 | eofloop = 0; | |
2cd8e0a9 | 197 | if (execute(linebuf, 0)) |
2ee3bce2 | 198 | break; |
ac72cd41 KS |
199 | } |
200 | } | |
201 | ||
202 | /* | |
2ee3bce2 EW |
203 | * Execute a single command. |
204 | * Command functions return 0 for success, 1 for error, and -1 | |
205 | * for abort. A 1 or -1 aborts a load or source. A -1 aborts | |
206 | * the interactive command loop. | |
2cd8e0a9 | 207 | * Contxt is non-zero if called while composing mail. |
ac72cd41 | 208 | */ |
2cd8e0a9 | 209 | execute(linebuf, contxt) |
ac72cd41 KS |
210 | char linebuf[]; |
211 | { | |
212 | char word[LINESIZE]; | |
213 | char *arglist[MAXARGC]; | |
214 | struct cmd *com; | |
215 | register char *cp, *cp2; | |
216 | register int c; | |
e5717bff | 217 | int muvec[2]; |
2ee3bce2 | 218 | int e = 1; |
ac72cd41 KS |
219 | |
220 | /* | |
221 | * Strip the white space away from the beginning | |
222 | * of the command, then scan out a word, which | |
223 | * consists of anything except digits and white space. | |
224 | * | |
225 | * Handle ! escapes differently to get the correct | |
226 | * lexical conventions. | |
227 | */ | |
228 | ||
828615a1 EW |
229 | for (cp = linebuf; isspace(*cp); cp++) |
230 | ; | |
ac72cd41 KS |
231 | if (*cp == '!') { |
232 | if (sourcing) { | |
233 | printf("Can't \"!\" while sourcing\n"); | |
2ee3bce2 | 234 | goto out; |
ac72cd41 KS |
235 | } |
236 | shell(cp+1); | |
237 | return(0); | |
238 | } | |
239 | cp2 = word; | |
470c33f3 | 240 | while (*cp && index(" \t0123456789$^.:/-+*'\"", *cp) == NOSTR) |
ac72cd41 KS |
241 | *cp2++ = *cp++; |
242 | *cp2 = '\0'; | |
243 | ||
244 | /* | |
245 | * Look up the command; if not found, bitch. | |
246 | * Normally, a blank command would map to the | |
247 | * first command in the table; while sourcing, | |
248 | * however, we ignore blank lines to eliminate | |
249 | * confusion. | |
250 | */ | |
251 | ||
828615a1 | 252 | if (sourcing && *word == '\0') |
ac72cd41 KS |
253 | return(0); |
254 | com = lex(word); | |
255 | if (com == NONE) { | |
7a05656e | 256 | printf("Unknown command: \"%s\"\n", word); |
2ee3bce2 | 257 | goto out; |
ac72cd41 KS |
258 | } |
259 | ||
128ec005 KS |
260 | /* |
261 | * See if we should execute the command -- if a conditional | |
262 | * we always execute it, otherwise, check the state of cond. | |
263 | */ | |
264 | ||
989e19a2 | 265 | if ((com->c_argtype & F) == 0) |
128ec005 KS |
266 | if (cond == CRCV && !rcvmode || cond == CSEND && rcvmode) |
267 | return(0); | |
268 | ||
ac72cd41 KS |
269 | /* |
270 | * Process the arguments to the command, depending | |
271 | * on the type he expects. Default to an error. | |
272 | * If we are sourcing an interactive command, it's | |
273 | * an error. | |
274 | */ | |
275 | ||
276 | if (!rcvmode && (com->c_argtype & M) == 0) { | |
277 | printf("May not execute \"%s\" while sending\n", | |
278 | com->c_name); | |
2ee3bce2 | 279 | goto out; |
ac72cd41 KS |
280 | } |
281 | if (sourcing && com->c_argtype & I) { | |
282 | printf("May not execute \"%s\" while sourcing\n", | |
283 | com->c_name); | |
2ee3bce2 | 284 | goto out; |
ac72cd41 | 285 | } |
e5717bff KS |
286 | if (readonly && com->c_argtype & W) { |
287 | printf("May not execute \"%s\" -- message file is read only\n", | |
288 | com->c_name); | |
2ee3bce2 | 289 | goto out; |
e5717bff | 290 | } |
2cd8e0a9 KS |
291 | if (contxt && com->c_argtype & R) { |
292 | printf("Cannot recursively invoke \"%s\"\n", com->c_name); | |
2ee3bce2 | 293 | goto out; |
2cd8e0a9 | 294 | } |
2cd8e0a9 | 295 | switch (com->c_argtype & ~(F|P|I|M|T|W|R)) { |
ac72cd41 KS |
296 | case MSGLIST: |
297 | /* | |
298 | * A message list defaulting to nearest forward | |
299 | * legal message. | |
300 | */ | |
7a05656e KS |
301 | if (msgvec == 0) { |
302 | printf("Illegal use of \"message list\"\n"); | |
2ee3bce2 | 303 | break; |
7a05656e | 304 | } |
ac72cd41 KS |
305 | if ((c = getmsglist(cp, msgvec, com->c_msgflag)) < 0) |
306 | break; | |
307 | if (c == 0) { | |
308 | *msgvec = first(com->c_msgflag, | |
309 | com->c_msgmask); | |
310 | msgvec[1] = NULL; | |
311 | } | |
312 | if (*msgvec == NULL) { | |
313 | printf("No applicable messages\n"); | |
314 | break; | |
315 | } | |
316 | e = (*com->c_func)(msgvec); | |
317 | break; | |
318 | ||
319 | case NDMLIST: | |
320 | /* | |
321 | * A message list with no defaults, but no error | |
322 | * if none exist. | |
323 | */ | |
7a05656e KS |
324 | if (msgvec == 0) { |
325 | printf("Illegal use of \"message list\"\n"); | |
2ee3bce2 | 326 | break; |
7a05656e | 327 | } |
ac72cd41 KS |
328 | if (getmsglist(cp, msgvec, com->c_msgflag) < 0) |
329 | break; | |
330 | e = (*com->c_func)(msgvec); | |
331 | break; | |
332 | ||
333 | case STRLIST: | |
334 | /* | |
335 | * Just the straight string, with | |
336 | * leading blanks removed. | |
337 | */ | |
828615a1 | 338 | while (isspace(*cp)) |
ac72cd41 KS |
339 | cp++; |
340 | e = (*com->c_func)(cp); | |
341 | break; | |
342 | ||
343 | case RAWLIST: | |
344 | /* | |
345 | * A vector of strings, in shell style. | |
346 | */ | |
fee4667a S |
347 | if ((c = getrawlist(cp, arglist, |
348 | sizeof arglist / sizeof *arglist)) < 0) | |
ac72cd41 KS |
349 | break; |
350 | if (c < com->c_minargs) { | |
351 | printf("%s requires at least %d arg(s)\n", | |
352 | com->c_name, com->c_minargs); | |
353 | break; | |
354 | } | |
355 | if (c > com->c_maxargs) { | |
356 | printf("%s takes no more than %d arg(s)\n", | |
357 | com->c_name, com->c_maxargs); | |
358 | break; | |
359 | } | |
360 | e = (*com->c_func)(arglist); | |
361 | break; | |
362 | ||
363 | case NOLIST: | |
364 | /* | |
365 | * Just the constant zero, for exiting, | |
366 | * eg. | |
367 | */ | |
368 | e = (*com->c_func)(0); | |
369 | break; | |
370 | ||
371 | default: | |
372 | panic("Unknown argtype"); | |
373 | } | |
374 | ||
2ee3bce2 | 375 | out: |
ac72cd41 KS |
376 | /* |
377 | * Exit the current source file on | |
378 | * error. | |
379 | */ | |
2ee3bce2 EW |
380 | if (e) { |
381 | if (e < 0) | |
382 | return 1; | |
383 | if (loading) | |
384 | return 1; | |
385 | if (sourcing) | |
386 | unstack(); | |
387 | return 0; | |
388 | } | |
ac72cd41 | 389 | if (value("autoprint") != NOSTR && com->c_argtype & P) |
e5717bff KS |
390 | if ((dot->m_flag & MDELETED) == 0) { |
391 | muvec[0] = dot - &message[0] + 1; | |
392 | muvec[1] = 0; | |
393 | type(muvec); | |
394 | } | |
128ec005 | 395 | if (!sourcing && (com->c_argtype & T) == 0) |
ac72cd41 KS |
396 | sawcom = 1; |
397 | return(0); | |
398 | } | |
399 | ||
e5717bff KS |
400 | /* |
401 | * Set the size of the message vector used to construct argument | |
402 | * lists to message list functions. | |
403 | */ | |
404 | ||
405 | setmsize(sz) | |
406 | { | |
407 | ||
828615a1 EW |
408 | if (msgvec != 0) |
409 | cfree((char *) msgvec); | |
e5717bff KS |
410 | msgvec = (int *) calloc((unsigned) (sz + 1), sizeof *msgvec); |
411 | } | |
412 | ||
ac72cd41 KS |
413 | /* |
414 | * Find the correct command in the command table corresponding | |
415 | * to the passed command "word" | |
416 | */ | |
417 | ||
418 | struct cmd * | |
419 | lex(word) | |
420 | char word[]; | |
421 | { | |
422 | register struct cmd *cp; | |
423 | extern struct cmd cmdtab[]; | |
424 | ||
425 | for (cp = &cmdtab[0]; cp->c_name != NOSTR; cp++) | |
426 | if (isprefix(word, cp->c_name)) | |
427 | return(cp); | |
428 | return(NONE); | |
429 | } | |
430 | ||
431 | /* | |
432 | * Determine if as1 is a valid prefix of as2. | |
433 | * Return true if yep. | |
434 | */ | |
435 | ||
436 | isprefix(as1, as2) | |
437 | char *as1, *as2; | |
438 | { | |
439 | register char *s1, *s2; | |
440 | ||
441 | s1 = as1; | |
442 | s2 = as2; | |
443 | while (*s1++ == *s2) | |
444 | if (*s2++ == '\0') | |
445 | return(1); | |
446 | return(*--s1 == '\0'); | |
447 | } | |
448 | ||
449 | /* | |
828615a1 | 450 | * The following gets called on receipt of an interrupt. This is |
ac72cd41 KS |
451 | * to abort printout of a command, mainly. |
452 | * Dispatching here when command() is inactive crashes rcv. | |
453 | * Close all open files except 0, 1, 2, and the temporary. | |
ac72cd41 KS |
454 | * Also, unstack all source files. |
455 | */ | |
456 | ||
e39b1d85 KS |
457 | int inithdr; /* am printing startup headers */ |
458 | ||
46053c99 S |
459 | #ifdef _NFILE |
460 | static | |
461 | _fwalk(function) | |
462 | register int (*function)(); | |
463 | { | |
464 | register FILE *iop; | |
465 | ||
466 | for (iop = _iob; iop < _iob + _NFILE; iop++) | |
467 | (*function)(iop); | |
468 | } | |
469 | #endif | |
470 | ||
471 | static | |
472 | xclose(iop) | |
473 | register FILE *iop; | |
474 | { | |
475 | if (iop == stdin || iop == stdout || | |
476 | iop == stderr || iop == itf || iop == otf) | |
477 | return; | |
478 | ||
479 | if (iop != pipef) | |
480 | fclose(iop); | |
481 | else { | |
2ee3bce2 | 482 | Pclose(pipef); |
46053c99 S |
483 | pipef = NULL; |
484 | } | |
485 | } | |
486 | ||
828615a1 | 487 | /*ARGSUSED*/ |
2ee3bce2 | 488 | intr(s) |
ac72cd41 | 489 | { |
ac72cd41 KS |
490 | |
491 | noreset = 0; | |
e39b1d85 KS |
492 | if (!inithdr) |
493 | sawcom++; | |
494 | inithdr = 0; | |
ac72cd41 KS |
495 | while (sourcing) |
496 | unstack(); | |
46053c99 S |
497 | |
498 | /* | |
499 | * Walk through all the open FILEs, applying xclose() to them | |
500 | */ | |
501 | _fwalk(xclose); | |
502 | ||
ac72cd41 KS |
503 | if (image >= 0) { |
504 | close(image); | |
505 | image = -1; | |
506 | } | |
80187484 | 507 | fprintf(stderr, "Interrupt\n"); |
ac72cd41 KS |
508 | reset(0); |
509 | } | |
510 | ||
2ee3bce2 EW |
511 | /* |
512 | * When we wake up after ^Z, reprint the prompt. | |
513 | */ | |
514 | stop(s) | |
515 | { | |
516 | int (*old_action)() = signal(s, SIG_DFL); | |
517 | ||
518 | sigsetmask(sigblock(0) & ~sigmask(s)); | |
519 | kill(0, s); | |
520 | sigblock(sigmask(s)); | |
521 | signal(s, old_action); | |
522 | if (reset_on_stop) { | |
523 | reset_on_stop = 0; | |
524 | reset(0); | |
525 | } | |
526 | } | |
527 | ||
528 | /* | |
529 | * Branch here on hangup signal and simulate "exit". | |
530 | */ | |
531 | /*ARGSUSED*/ | |
532 | hangup(s) | |
533 | { | |
534 | ||
535 | /* nothing to do? */ | |
536 | exit(1); | |
537 | } | |
538 | ||
ac72cd41 KS |
539 | /* |
540 | * Announce the presence of the current Mail version, | |
541 | * give the message count, and print a header listing. | |
542 | */ | |
543 | ||
4d20fb09 | 544 | announce() |
ac72cd41 | 545 | { |
f3bfa857 | 546 | int vec[2], mdot; |
74745497 KS |
547 | |
548 | mdot = newfileinfo(); | |
549 | vec[0] = mdot; | |
550 | vec[1] = 0; | |
74745497 | 551 | dot = &message[mdot - 1]; |
209a87d1 | 552 | if (msgCount > 0 && value("noheader") == NOSTR) { |
e39b1d85 | 553 | inithdr++; |
74745497 | 554 | headers(vec); |
e39b1d85 KS |
555 | inithdr = 0; |
556 | } | |
74745497 KS |
557 | } |
558 | ||
559 | /* | |
560 | * Announce information about the file we are editing. | |
561 | * Return a likely place to set dot. | |
562 | */ | |
74745497 KS |
563 | newfileinfo() |
564 | { | |
ac72cd41 | 565 | register struct message *mp; |
83be1edb | 566 | register int u, n, mdot, d, s; |
46d3d6df | 567 | char fname[BUFSIZ], zname[BUFSIZ], *ename; |
ac72cd41 | 568 | |
c52f0860 KS |
569 | for (mp = &message[0]; mp < &message[msgCount]; mp++) |
570 | if (mp->m_flag & MNEW) | |
571 | break; | |
f3bfa857 KS |
572 | if (mp >= &message[msgCount]) |
573 | for (mp = &message[0]; mp < &message[msgCount]; mp++) | |
574 | if ((mp->m_flag & MREAD) == 0) | |
575 | break; | |
c52f0860 | 576 | if (mp < &message[msgCount]) |
f3bfa857 | 577 | mdot = mp - &message[0] + 1; |
c52f0860 | 578 | else |
f3bfa857 | 579 | mdot = 1; |
83be1edb | 580 | s = d = 0; |
128ec005 KS |
581 | for (mp = &message[0], n = 0, u = 0; mp < &message[msgCount]; mp++) { |
582 | if (mp->m_flag & MNEW) | |
583 | n++; | |
584 | if ((mp->m_flag & MREAD) == 0) | |
585 | u++; | |
83be1edb KS |
586 | if (mp->m_flag & MDELETED) |
587 | d++; | |
588 | if (mp->m_flag & MSAVED) | |
589 | s++; | |
128ec005 | 590 | } |
46d3d6df KS |
591 | ename = mailname; |
592 | if (getfold(fname) >= 0) { | |
593 | strcat(fname, "/"); | |
594 | if (strncmp(fname, mailname, strlen(fname)) == 0) { | |
595 | sprintf(zname, "+%s", mailname + strlen(fname)); | |
596 | ename = zname; | |
597 | } | |
598 | } | |
599 | printf("\"%s\": ", ename); | |
74745497 KS |
600 | if (msgCount == 1) |
601 | printf("1 message"); | |
602 | else | |
603 | printf("%d messages", msgCount); | |
128ec005 KS |
604 | if (n > 0) |
605 | printf(" %d new", n); | |
606 | if (u-n > 0) | |
607 | printf(" %d unread", u); | |
83be1edb KS |
608 | if (d > 0) |
609 | printf(" %d deleted", d); | |
610 | if (s > 0) | |
611 | printf(" %d saved", s); | |
74745497 KS |
612 | if (readonly) |
613 | printf(" [Read only]"); | |
e5717bff | 614 | printf("\n"); |
74745497 | 615 | return(mdot); |
ac72cd41 KS |
616 | } |
617 | ||
ac72cd41 KS |
618 | /* |
619 | * Print the current version number. | |
620 | */ | |
621 | ||
828615a1 | 622 | /*ARGSUSED*/ |
ac72cd41 KS |
623 | pversion(e) |
624 | { | |
001d60ad | 625 | extern char *version; |
828615a1 | 626 | |
a0aaf589 | 627 | printf("Version %s\n", version); |
ac72cd41 KS |
628 | return(0); |
629 | } | |
7a05656e KS |
630 | |
631 | /* | |
632 | * Load a file of user definitions. | |
633 | */ | |
634 | load(name) | |
635 | char *name; | |
636 | { | |
637 | register FILE *in, *oldin; | |
638 | ||
639 | if ((in = fopen(name, "r")) == NULL) | |
640 | return; | |
641 | oldin = input; | |
642 | input = in; | |
643 | loading = 1; | |
644 | sourcing = 1; | |
645 | commands(); | |
646 | loading = 0; | |
647 | sourcing = 0; | |
648 | input = oldin; | |
649 | fclose(in); | |
650 | } |