Commit | Line | Data |
---|---|---|
9552e6b8 DF |
1 | /* |
2 | * Copyright (c) 1980 Regents of the University of California. | |
3 | * All rights reserved. The Berkeley software License Agreement | |
4 | * specifies the terms and conditions for redistribution. | |
5 | */ | |
6 | ||
2ae9f53f | 7 | #ifndef lint |
2fd8b883 | 8 | static char *sccsid = "@(#)lex.c 5.2 (Berkeley) %G%"; |
9552e6b8 | 9 | #endif not lint |
ac72cd41 KS |
10 | |
11 | #include "rcv.h" | |
fb4186f8 | 12 | #include <sys/stat.h> |
ac72cd41 KS |
13 | |
14 | /* | |
15 | * Mail -- a mail program | |
16 | * | |
17 | * Lexical processing of commands. | |
18 | */ | |
19 | ||
07c257b5 | 20 | char *prompt = "& "; |
e5717bff KS |
21 | |
22 | /* | |
23 | * Set up editing on the given file name. | |
24 | * If isedit is true, we are considered to be editing the file, | |
25 | * otherwise we are reading our mail which has signficance for | |
26 | * mbox and so forth. | |
27 | */ | |
28 | ||
29 | setfile(name, isedit) | |
30 | char *name; | |
31 | { | |
32 | FILE *ibuf; | |
33 | int i; | |
fb4186f8 | 34 | struct stat stb; |
e5717bff KS |
35 | static int shudclob; |
36 | static char efile[128]; | |
37 | extern char tempMesg[]; | |
e5717bff | 38 | |
531fa87e | 39 | if ((ibuf = fopen(name, "r")) == NULL) |
e5717bff | 40 | return(-1); |
fb4186f8 RC |
41 | if (!edit) { |
42 | if (fstat(fileno(ibuf), &stb) < 0) { | |
43 | perror(name); | |
44 | exit(1); | |
45 | } | |
46 | if (stb.st_size == 0) | |
47 | return(-1); | |
48 | } | |
e5717bff KS |
49 | |
50 | /* | |
51 | * Looks like all will be well. We must now relinquish our | |
177b7a73 | 52 | * hold on the current set of stuff. Must hold signals |
e5717bff KS |
53 | * while we are reading the new file, else we will ruin |
54 | * the message[] data structure. | |
55 | */ | |
56 | ||
177b7a73 | 57 | holdsigs(); |
e5717bff KS |
58 | if (shudclob) { |
59 | if (edit) | |
60 | edstop(); | |
61 | else | |
62 | quit(); | |
63 | } | |
64 | ||
65 | /* | |
66 | * Copy the messages into /tmp | |
67 | * and set pointers. | |
68 | */ | |
69 | ||
70 | readonly = 0; | |
71 | if ((i = open(name, 1)) < 0) | |
72 | readonly++; | |
73 | else | |
74 | close(i); | |
75 | if (shudclob) { | |
76 | fclose(itf); | |
77 | fclose(otf); | |
78 | } | |
79 | shudclob = 1; | |
80 | edit = isedit; | |
81 | strncpy(efile, name, 128); | |
82 | editfile = efile; | |
128ec005 KS |
83 | if (name != mailname) |
84 | strcpy(mailname, name); | |
e5717bff KS |
85 | mailsize = fsize(ibuf); |
86 | if ((otf = fopen(tempMesg, "w")) == NULL) { | |
87 | perror(tempMesg); | |
88 | exit(1); | |
89 | } | |
90 | if ((itf = fopen(tempMesg, "r")) == NULL) { | |
91 | perror(tempMesg); | |
92 | exit(1); | |
93 | } | |
94 | remove(tempMesg); | |
95 | setptr(ibuf); | |
96 | setmsize(msgCount); | |
97 | fclose(ibuf); | |
177b7a73 | 98 | relsesigs(); |
335704ca | 99 | sawcom = 0; |
e5717bff KS |
100 | return(0); |
101 | } | |
ac72cd41 KS |
102 | |
103 | /* | |
104 | * Interpret user commands one by one. If standard input is not a tty, | |
105 | * print no prompt. | |
106 | */ | |
107 | ||
108 | int *msgvec; | |
109 | ||
110 | commands() | |
111 | { | |
7a05656e | 112 | int eofloop, shudprompt, stop(); |
ac72cd41 KS |
113 | register int n; |
114 | char linebuf[LINESIZE]; | |
de274ec3 | 115 | int hangup(), contin(); |
ac72cd41 | 116 | |
ea394d88 | 117 | # ifdef VMUNIX |
d28ecfdf | 118 | sigset(SIGCONT, SIG_DFL); |
ea394d88 | 119 | # endif VMUNIX |
7a05656e | 120 | if (rcvmode && !sourcing) { |
726c3356 KS |
121 | if (sigset(SIGINT, SIG_IGN) != SIG_IGN) |
122 | sigset(SIGINT, stop); | |
123 | if (sigset(SIGHUP, SIG_IGN) != SIG_IGN) | |
124 | sigset(SIGHUP, hangup); | |
125 | } | |
7a05656e | 126 | shudprompt = intty && !sourcing; |
ac72cd41 KS |
127 | for (;;) { |
128 | setexit(); | |
ac72cd41 KS |
129 | |
130 | /* | |
131 | * Print the prompt, if needed. Clear out | |
132 | * string space, and flush the output. | |
133 | */ | |
134 | ||
135 | if (!rcvmode && !sourcing) | |
136 | return; | |
853e9d55 | 137 | eofloop = 0; |
73f94fab | 138 | top: |
7a05656e | 139 | if (shudprompt) { |
28bcd25d | 140 | printf(prompt); |
80187484 | 141 | fflush(stdout); |
6c85fa2a | 142 | # ifdef VMUNIX |
d28ecfdf | 143 | sigset(SIGCONT, contin); |
ea394d88 | 144 | # endif VMUNIX |
28bcd25d | 145 | } else |
80187484 | 146 | fflush(stdout); |
ac72cd41 KS |
147 | sreset(); |
148 | ||
149 | /* | |
150 | * Read a line of commands from the current input | |
151 | * and handle end of file specially. | |
152 | */ | |
153 | ||
154 | n = 0; | |
155 | for (;;) { | |
156 | if (readline(input, &linebuf[n]) <= 0) { | |
157 | if (n != 0) | |
158 | break; | |
7a05656e KS |
159 | if (loading) |
160 | return; | |
ac72cd41 KS |
161 | if (sourcing) { |
162 | unstack(); | |
163 | goto more; | |
164 | } | |
07c257b5 | 165 | if (value("ignoreeof") != NOSTR && shudprompt) { |
853e9d55 KS |
166 | if (++eofloop < 25) { |
167 | printf("Use \"quit\" to quit.\n"); | |
168 | goto top; | |
169 | } | |
73f94fab | 170 | } |
7a05656e KS |
171 | if (edit) |
172 | edstop(); | |
ac72cd41 KS |
173 | return; |
174 | } | |
175 | if ((n = strlen(linebuf)) == 0) | |
176 | break; | |
177 | n--; | |
178 | if (linebuf[n] != '\\') | |
179 | break; | |
180 | linebuf[n++] = ' '; | |
181 | } | |
ea394d88 | 182 | # ifdef VMUNIX |
d28ecfdf | 183 | sigset(SIGCONT, SIG_DFL); |
ea394d88 | 184 | # endif VMUNIX |
2cd8e0a9 | 185 | if (execute(linebuf, 0)) |
ac72cd41 KS |
186 | return; |
187 | more: ; | |
188 | } | |
189 | } | |
190 | ||
191 | /* | |
192 | * Execute a single command. If the command executed | |
193 | * is "quit," then return non-zero so that the caller | |
194 | * will know to return back to main, if he cares. | |
2cd8e0a9 | 195 | * Contxt is non-zero if called while composing mail. |
ac72cd41 KS |
196 | */ |
197 | ||
2cd8e0a9 | 198 | execute(linebuf, contxt) |
ac72cd41 KS |
199 | char linebuf[]; |
200 | { | |
201 | char word[LINESIZE]; | |
202 | char *arglist[MAXARGC]; | |
203 | struct cmd *com; | |
204 | register char *cp, *cp2; | |
205 | register int c; | |
e5717bff | 206 | int muvec[2]; |
ac72cd41 KS |
207 | int edstop(), e; |
208 | ||
209 | /* | |
210 | * Strip the white space away from the beginning | |
211 | * of the command, then scan out a word, which | |
212 | * consists of anything except digits and white space. | |
213 | * | |
214 | * Handle ! escapes differently to get the correct | |
215 | * lexical conventions. | |
216 | */ | |
217 | ||
218 | cp = linebuf; | |
219 | while (any(*cp, " \t")) | |
220 | cp++; | |
221 | if (*cp == '!') { | |
222 | if (sourcing) { | |
223 | printf("Can't \"!\" while sourcing\n"); | |
224 | unstack(); | |
225 | return(0); | |
226 | } | |
227 | shell(cp+1); | |
228 | return(0); | |
229 | } | |
230 | cp2 = word; | |
c0132ef0 | 231 | while (*cp && !any(*cp, " \t0123456789$^.:/-+*'\"")) |
ac72cd41 KS |
232 | *cp2++ = *cp++; |
233 | *cp2 = '\0'; | |
234 | ||
235 | /* | |
236 | * Look up the command; if not found, bitch. | |
237 | * Normally, a blank command would map to the | |
238 | * first command in the table; while sourcing, | |
239 | * however, we ignore blank lines to eliminate | |
240 | * confusion. | |
241 | */ | |
242 | ||
243 | if (sourcing && equal(word, "")) | |
244 | return(0); | |
245 | com = lex(word); | |
246 | if (com == NONE) { | |
7a05656e KS |
247 | printf("Unknown command: \"%s\"\n", word); |
248 | if (loading) | |
249 | return(1); | |
ac72cd41 KS |
250 | if (sourcing) |
251 | unstack(); | |
252 | return(0); | |
253 | } | |
254 | ||
128ec005 KS |
255 | /* |
256 | * See if we should execute the command -- if a conditional | |
257 | * we always execute it, otherwise, check the state of cond. | |
258 | */ | |
259 | ||
989e19a2 | 260 | if ((com->c_argtype & F) == 0) |
128ec005 KS |
261 | if (cond == CRCV && !rcvmode || cond == CSEND && rcvmode) |
262 | return(0); | |
263 | ||
ac72cd41 KS |
264 | /* |
265 | * Special case so that quit causes a return to | |
266 | * main, who will call the quit code directly. | |
267 | * If we are in a source file, just unstack. | |
268 | */ | |
269 | ||
270 | if (com->c_func == edstop && sourcing) { | |
7a05656e KS |
271 | if (loading) |
272 | return(1); | |
ac72cd41 KS |
273 | unstack(); |
274 | return(0); | |
275 | } | |
276 | if (!edit && com->c_func == edstop) { | |
726c3356 | 277 | sigset(SIGINT, SIG_IGN); |
ac72cd41 KS |
278 | return(1); |
279 | } | |
280 | ||
281 | /* | |
282 | * Process the arguments to the command, depending | |
283 | * on the type he expects. Default to an error. | |
284 | * If we are sourcing an interactive command, it's | |
285 | * an error. | |
286 | */ | |
287 | ||
288 | if (!rcvmode && (com->c_argtype & M) == 0) { | |
289 | printf("May not execute \"%s\" while sending\n", | |
290 | com->c_name); | |
7a05656e KS |
291 | if (loading) |
292 | return(1); | |
2cd8e0a9 KS |
293 | if (sourcing) |
294 | unstack(); | |
ac72cd41 KS |
295 | return(0); |
296 | } | |
297 | if (sourcing && com->c_argtype & I) { | |
298 | printf("May not execute \"%s\" while sourcing\n", | |
299 | com->c_name); | |
7a05656e KS |
300 | if (loading) |
301 | return(1); | |
ac72cd41 KS |
302 | unstack(); |
303 | return(0); | |
304 | } | |
e5717bff KS |
305 | if (readonly && com->c_argtype & W) { |
306 | printf("May not execute \"%s\" -- message file is read only\n", | |
307 | com->c_name); | |
7a05656e KS |
308 | if (loading) |
309 | return(1); | |
e5717bff KS |
310 | if (sourcing) |
311 | unstack(); | |
312 | return(0); | |
313 | } | |
2cd8e0a9 KS |
314 | if (contxt && com->c_argtype & R) { |
315 | printf("Cannot recursively invoke \"%s\"\n", com->c_name); | |
316 | return(0); | |
317 | } | |
ac72cd41 | 318 | e = 1; |
2cd8e0a9 | 319 | switch (com->c_argtype & ~(F|P|I|M|T|W|R)) { |
ac72cd41 KS |
320 | case MSGLIST: |
321 | /* | |
322 | * A message list defaulting to nearest forward | |
323 | * legal message. | |
324 | */ | |
7a05656e KS |
325 | if (msgvec == 0) { |
326 | printf("Illegal use of \"message list\"\n"); | |
327 | return(-1); | |
328 | } | |
ac72cd41 KS |
329 | if ((c = getmsglist(cp, msgvec, com->c_msgflag)) < 0) |
330 | break; | |
331 | if (c == 0) { | |
332 | *msgvec = first(com->c_msgflag, | |
333 | com->c_msgmask); | |
334 | msgvec[1] = NULL; | |
335 | } | |
336 | if (*msgvec == NULL) { | |
337 | printf("No applicable messages\n"); | |
338 | break; | |
339 | } | |
340 | e = (*com->c_func)(msgvec); | |
341 | break; | |
342 | ||
343 | case NDMLIST: | |
344 | /* | |
345 | * A message list with no defaults, but no error | |
346 | * if none exist. | |
347 | */ | |
7a05656e KS |
348 | if (msgvec == 0) { |
349 | printf("Illegal use of \"message list\"\n"); | |
350 | return(-1); | |
351 | } | |
ac72cd41 KS |
352 | if (getmsglist(cp, msgvec, com->c_msgflag) < 0) |
353 | break; | |
354 | e = (*com->c_func)(msgvec); | |
355 | break; | |
356 | ||
357 | case STRLIST: | |
358 | /* | |
359 | * Just the straight string, with | |
360 | * leading blanks removed. | |
361 | */ | |
362 | while (any(*cp, " \t")) | |
363 | cp++; | |
364 | e = (*com->c_func)(cp); | |
365 | break; | |
366 | ||
367 | case RAWLIST: | |
368 | /* | |
369 | * A vector of strings, in shell style. | |
370 | */ | |
371 | if ((c = getrawlist(cp, arglist)) < 0) | |
372 | break; | |
373 | if (c < com->c_minargs) { | |
374 | printf("%s requires at least %d arg(s)\n", | |
375 | com->c_name, com->c_minargs); | |
376 | break; | |
377 | } | |
378 | if (c > com->c_maxargs) { | |
379 | printf("%s takes no more than %d arg(s)\n", | |
380 | com->c_name, com->c_maxargs); | |
381 | break; | |
382 | } | |
383 | e = (*com->c_func)(arglist); | |
384 | break; | |
385 | ||
386 | case NOLIST: | |
387 | /* | |
388 | * Just the constant zero, for exiting, | |
389 | * eg. | |
390 | */ | |
391 | e = (*com->c_func)(0); | |
392 | break; | |
393 | ||
394 | default: | |
395 | panic("Unknown argtype"); | |
396 | } | |
397 | ||
398 | /* | |
399 | * Exit the current source file on | |
400 | * error. | |
401 | */ | |
402 | ||
7a05656e KS |
403 | if (e && loading) |
404 | return(1); | |
ac72cd41 KS |
405 | if (e && sourcing) |
406 | unstack(); | |
407 | if (com->c_func == edstop) | |
408 | return(1); | |
409 | if (value("autoprint") != NOSTR && com->c_argtype & P) | |
e5717bff KS |
410 | if ((dot->m_flag & MDELETED) == 0) { |
411 | muvec[0] = dot - &message[0] + 1; | |
412 | muvec[1] = 0; | |
413 | type(muvec); | |
414 | } | |
128ec005 | 415 | if (!sourcing && (com->c_argtype & T) == 0) |
ac72cd41 KS |
416 | sawcom = 1; |
417 | return(0); | |
418 | } | |
419 | ||
de274ec3 KS |
420 | /* |
421 | * When we wake up after ^Z, reprint the prompt. | |
422 | */ | |
423 | contin(s) | |
424 | { | |
425 | ||
07c257b5 | 426 | printf(prompt); |
de274ec3 KS |
427 | fflush(stdout); |
428 | } | |
429 | ||
726c3356 KS |
430 | /* |
431 | * Branch here on hangup signal and simulate quit. | |
432 | */ | |
433 | hangup() | |
434 | { | |
726c3356 | 435 | |
177b7a73 | 436 | holdsigs(); |
726c3356 KS |
437 | if (edit) { |
438 | if (setexit()) | |
439 | exit(0); | |
440 | edstop(); | |
441 | } | |
442 | else | |
443 | quit(); | |
444 | exit(0); | |
445 | } | |
446 | ||
e5717bff KS |
447 | /* |
448 | * Set the size of the message vector used to construct argument | |
449 | * lists to message list functions. | |
450 | */ | |
451 | ||
452 | setmsize(sz) | |
453 | { | |
454 | ||
455 | if (msgvec != (int *) 0) | |
456 | cfree(msgvec); | |
457 | msgvec = (int *) calloc((unsigned) (sz + 1), sizeof *msgvec); | |
458 | } | |
459 | ||
ac72cd41 KS |
460 | /* |
461 | * Find the correct command in the command table corresponding | |
462 | * to the passed command "word" | |
463 | */ | |
464 | ||
465 | struct cmd * | |
466 | lex(word) | |
467 | char word[]; | |
468 | { | |
469 | register struct cmd *cp; | |
470 | extern struct cmd cmdtab[]; | |
471 | ||
472 | for (cp = &cmdtab[0]; cp->c_name != NOSTR; cp++) | |
473 | if (isprefix(word, cp->c_name)) | |
474 | return(cp); | |
475 | return(NONE); | |
476 | } | |
477 | ||
478 | /* | |
479 | * Determine if as1 is a valid prefix of as2. | |
480 | * Return true if yep. | |
481 | */ | |
482 | ||
483 | isprefix(as1, as2) | |
484 | char *as1, *as2; | |
485 | { | |
486 | register char *s1, *s2; | |
487 | ||
488 | s1 = as1; | |
489 | s2 = as2; | |
490 | while (*s1++ == *s2) | |
491 | if (*s2++ == '\0') | |
492 | return(1); | |
493 | return(*--s1 == '\0'); | |
494 | } | |
495 | ||
496 | /* | |
497 | * The following gets called on receipt of a rubout. This is | |
498 | * to abort printout of a command, mainly. | |
499 | * Dispatching here when command() is inactive crashes rcv. | |
500 | * Close all open files except 0, 1, 2, and the temporary. | |
501 | * The special call to getuserid() is needed so it won't get | |
502 | * annoyed about losing its open file. | |
503 | * Also, unstack all source files. | |
504 | */ | |
505 | ||
e39b1d85 KS |
506 | int inithdr; /* am printing startup headers */ |
507 | ||
46053c99 S |
508 | #ifdef _NFILE |
509 | static | |
510 | _fwalk(function) | |
511 | register int (*function)(); | |
512 | { | |
513 | register FILE *iop; | |
514 | ||
515 | for (iop = _iob; iop < _iob + _NFILE; iop++) | |
516 | (*function)(iop); | |
517 | } | |
518 | #endif | |
519 | ||
520 | static | |
521 | xclose(iop) | |
522 | register FILE *iop; | |
523 | { | |
524 | if (iop == stdin || iop == stdout || | |
525 | iop == stderr || iop == itf || iop == otf) | |
526 | return; | |
527 | ||
528 | if (iop != pipef) | |
529 | fclose(iop); | |
530 | else { | |
531 | pclose(pipef); | |
532 | pipef = NULL; | |
533 | } | |
534 | } | |
535 | ||
726c3356 | 536 | stop(s) |
ac72cd41 KS |
537 | { |
538 | register FILE *fp; | |
539 | ||
ea394d88 KS |
540 | # ifndef VMUNIX |
541 | s = SIGINT; | |
542 | # endif VMUNIX | |
ac72cd41 | 543 | noreset = 0; |
e39b1d85 KS |
544 | if (!inithdr) |
545 | sawcom++; | |
546 | inithdr = 0; | |
ac72cd41 KS |
547 | while (sourcing) |
548 | unstack(); | |
549 | getuserid((char *) -1); | |
46053c99 S |
550 | |
551 | /* | |
552 | * Walk through all the open FILEs, applying xclose() to them | |
553 | */ | |
554 | _fwalk(xclose); | |
555 | ||
ac72cd41 KS |
556 | if (image >= 0) { |
557 | close(image); | |
558 | image = -1; | |
559 | } | |
80187484 | 560 | fprintf(stderr, "Interrupt\n"); |
4bc721c3 | 561 | # ifndef VMUNIX |
ea394d88 KS |
562 | signal(s, stop); |
563 | # endif | |
ac72cd41 KS |
564 | reset(0); |
565 | } | |
566 | ||
567 | /* | |
568 | * Announce the presence of the current Mail version, | |
569 | * give the message count, and print a header listing. | |
570 | */ | |
571 | ||
a0aaf589 | 572 | char *greeting = "Mail version %s. Type ? for help.\n"; |
ac72cd41 | 573 | |
e5717bff | 574 | announce(pr) |
ac72cd41 | 575 | { |
f3bfa857 | 576 | int vec[2], mdot; |
ac72cd41 | 577 | extern char *version; |
74745497 | 578 | |
125e424c CL |
579 | if (pr && value("quiet") == NOSTR) |
580 | printf(greeting, version); | |
74745497 KS |
581 | mdot = newfileinfo(); |
582 | vec[0] = mdot; | |
583 | vec[1] = 0; | |
74745497 | 584 | dot = &message[mdot - 1]; |
e39b1d85 KS |
585 | if (msgCount > 0 && !noheader) { |
586 | inithdr++; | |
74745497 | 587 | headers(vec); |
e39b1d85 KS |
588 | inithdr = 0; |
589 | } | |
74745497 KS |
590 | } |
591 | ||
592 | /* | |
593 | * Announce information about the file we are editing. | |
594 | * Return a likely place to set dot. | |
595 | */ | |
74745497 KS |
596 | newfileinfo() |
597 | { | |
ac72cd41 | 598 | register struct message *mp; |
83be1edb | 599 | register int u, n, mdot, d, s; |
46d3d6df | 600 | char fname[BUFSIZ], zname[BUFSIZ], *ename; |
ac72cd41 | 601 | |
c52f0860 KS |
602 | for (mp = &message[0]; mp < &message[msgCount]; mp++) |
603 | if (mp->m_flag & MNEW) | |
604 | break; | |
f3bfa857 KS |
605 | if (mp >= &message[msgCount]) |
606 | for (mp = &message[0]; mp < &message[msgCount]; mp++) | |
607 | if ((mp->m_flag & MREAD) == 0) | |
608 | break; | |
c52f0860 | 609 | if (mp < &message[msgCount]) |
f3bfa857 | 610 | mdot = mp - &message[0] + 1; |
c52f0860 | 611 | else |
f3bfa857 | 612 | mdot = 1; |
83be1edb | 613 | s = d = 0; |
128ec005 KS |
614 | for (mp = &message[0], n = 0, u = 0; mp < &message[msgCount]; mp++) { |
615 | if (mp->m_flag & MNEW) | |
616 | n++; | |
617 | if ((mp->m_flag & MREAD) == 0) | |
618 | u++; | |
83be1edb KS |
619 | if (mp->m_flag & MDELETED) |
620 | d++; | |
621 | if (mp->m_flag & MSAVED) | |
622 | s++; | |
128ec005 | 623 | } |
46d3d6df KS |
624 | ename = mailname; |
625 | if (getfold(fname) >= 0) { | |
626 | strcat(fname, "/"); | |
627 | if (strncmp(fname, mailname, strlen(fname)) == 0) { | |
628 | sprintf(zname, "+%s", mailname + strlen(fname)); | |
629 | ename = zname; | |
630 | } | |
631 | } | |
632 | printf("\"%s\": ", ename); | |
74745497 KS |
633 | if (msgCount == 1) |
634 | printf("1 message"); | |
635 | else | |
636 | printf("%d messages", msgCount); | |
128ec005 KS |
637 | if (n > 0) |
638 | printf(" %d new", n); | |
639 | if (u-n > 0) | |
640 | printf(" %d unread", u); | |
83be1edb KS |
641 | if (d > 0) |
642 | printf(" %d deleted", d); | |
643 | if (s > 0) | |
644 | printf(" %d saved", s); | |
74745497 KS |
645 | if (readonly) |
646 | printf(" [Read only]"); | |
e5717bff | 647 | printf("\n"); |
74745497 | 648 | return(mdot); |
ac72cd41 KS |
649 | } |
650 | ||
651 | strace() {} | |
652 | ||
653 | /* | |
654 | * Print the current version number. | |
655 | */ | |
656 | ||
657 | pversion(e) | |
658 | { | |
a0aaf589 | 659 | printf("Version %s\n", version); |
ac72cd41 KS |
660 | return(0); |
661 | } | |
7a05656e KS |
662 | |
663 | /* | |
664 | * Load a file of user definitions. | |
665 | */ | |
666 | load(name) | |
667 | char *name; | |
668 | { | |
669 | register FILE *in, *oldin; | |
670 | ||
671 | if ((in = fopen(name, "r")) == NULL) | |
672 | return; | |
673 | oldin = input; | |
674 | input = in; | |
675 | loading = 1; | |
676 | sourcing = 1; | |
677 | commands(); | |
678 | loading = 0; | |
679 | sourcing = 0; | |
680 | input = oldin; | |
681 | fclose(in); | |
682 | } |