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 |
a0d23834 | 9 | static char sccsid[] = "@(#)lex.c 5.24 (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 | } | |
112 | if ((itf = fopen(tempMesg, "r")) == NULL) { | |
113 | perror(tempMesg); | |
114 | exit(1); | |
115 | } | |
f82cf0f0 | 116 | rm(tempMesg); |
e5717bff KS |
117 | setptr(ibuf); |
118 | setmsize(msgCount); | |
07b0d286 | 119 | Fclose(ibuf); |
177b7a73 | 120 | relsesigs(); |
335704ca | 121 | sawcom = 0; |
8421b6a6 EW |
122 | if (!edit && msgCount == 0) { |
123 | nomail: | |
124 | fprintf(stderr, "No mail for %s\n", who); | |
125 | return -1; | |
126 | } | |
e5717bff KS |
127 | return(0); |
128 | } | |
ac72cd41 | 129 | |
2ee3bce2 EW |
130 | int *msgvec; |
131 | int reset_on_stop; /* do a reset() if stopped */ | |
132 | ||
ac72cd41 KS |
133 | /* |
134 | * Interpret user commands one by one. If standard input is not a tty, | |
135 | * print no prompt. | |
136 | */ | |
a0d23834 | 137 | void |
ac72cd41 KS |
138 | commands() |
139 | { | |
2ee3bce2 | 140 | int eofloop = 0; |
ac72cd41 KS |
141 | register int n; |
142 | char linebuf[LINESIZE]; | |
a6714963 | 143 | void intr(), stop(), hangup(); |
ac72cd41 | 144 | |
2ee3bce2 | 145 | if (!sourcing) { |
828615a1 | 146 | if (signal(SIGINT, SIG_IGN) != SIG_IGN) |
2ee3bce2 | 147 | signal(SIGINT, intr); |
828615a1 EW |
148 | if (signal(SIGHUP, SIG_IGN) != SIG_IGN) |
149 | signal(SIGHUP, hangup); | |
2ee3bce2 EW |
150 | signal(SIGTSTP, stop); |
151 | signal(SIGTTOU, stop); | |
152 | signal(SIGTTIN, stop); | |
726c3356 | 153 | } |
2ee3bce2 | 154 | setexit(); |
ac72cd41 | 155 | for (;;) { |
ac72cd41 KS |
156 | /* |
157 | * Print the prompt, if needed. Clear out | |
158 | * string space, and flush the output. | |
159 | */ | |
686f6134 | 160 | if (!sourcing && value("interactive") != NOSTR) { |
2ee3bce2 | 161 | reset_on_stop = 1; |
28bcd25d | 162 | printf(prompt); |
828615a1 EW |
163 | } |
164 | fflush(stdout); | |
f674e088 | 165 | sreset(); |
ac72cd41 KS |
166 | /* |
167 | * Read a line of commands from the current input | |
168 | * and handle end of file specially. | |
169 | */ | |
ac72cd41 KS |
170 | n = 0; |
171 | for (;;) { | |
2ee3bce2 EW |
172 | if (readline(input, &linebuf[n], LINESIZE - n) < 0) { |
173 | if (n == 0) | |
174 | n = -1; | |
175 | break; | |
ac72cd41 KS |
176 | } |
177 | if ((n = strlen(linebuf)) == 0) | |
178 | break; | |
179 | n--; | |
180 | if (linebuf[n] != '\\') | |
181 | break; | |
182 | linebuf[n++] = ' '; | |
183 | } | |
2ee3bce2 EW |
184 | reset_on_stop = 0; |
185 | if (n < 0) { | |
186 | /* eof */ | |
187 | if (loading) | |
188 | break; | |
189 | if (sourcing) { | |
190 | unstack(); | |
191 | continue; | |
192 | } | |
193 | if (value("interactive") != NOSTR && | |
194 | value("ignoreeof") != NOSTR && | |
195 | ++eofloop < 25) { | |
196 | printf("Use \"quit\" to quit.\n"); | |
197 | continue; | |
198 | } | |
199 | break; | |
200 | } | |
201 | eofloop = 0; | |
2cd8e0a9 | 202 | if (execute(linebuf, 0)) |
2ee3bce2 | 203 | break; |
ac72cd41 KS |
204 | } |
205 | } | |
206 | ||
207 | /* | |
2ee3bce2 EW |
208 | * Execute a single command. |
209 | * Command functions return 0 for success, 1 for error, and -1 | |
210 | * for abort. A 1 or -1 aborts a load or source. A -1 aborts | |
211 | * the interactive command loop. | |
2cd8e0a9 | 212 | * Contxt is non-zero if called while composing mail. |
ac72cd41 | 213 | */ |
a0d23834 | 214 | int |
2cd8e0a9 | 215 | execute(linebuf, contxt) |
ac72cd41 | 216 | char linebuf[]; |
a0d23834 | 217 | int contxt; |
ac72cd41 KS |
218 | { |
219 | char word[LINESIZE]; | |
220 | char *arglist[MAXARGC]; | |
221 | struct cmd *com; | |
222 | register char *cp, *cp2; | |
223 | register int c; | |
e5717bff | 224 | int muvec[2]; |
2ee3bce2 | 225 | int e = 1; |
ac72cd41 KS |
226 | |
227 | /* | |
228 | * Strip the white space away from the beginning | |
229 | * of the command, then scan out a word, which | |
230 | * consists of anything except digits and white space. | |
231 | * | |
232 | * Handle ! escapes differently to get the correct | |
233 | * lexical conventions. | |
234 | */ | |
235 | ||
828615a1 EW |
236 | for (cp = linebuf; isspace(*cp); cp++) |
237 | ; | |
ac72cd41 KS |
238 | if (*cp == '!') { |
239 | if (sourcing) { | |
240 | printf("Can't \"!\" while sourcing\n"); | |
2ee3bce2 | 241 | goto out; |
ac72cd41 KS |
242 | } |
243 | shell(cp+1); | |
244 | return(0); | |
245 | } | |
246 | cp2 = word; | |
470c33f3 | 247 | while (*cp && index(" \t0123456789$^.:/-+*'\"", *cp) == NOSTR) |
ac72cd41 KS |
248 | *cp2++ = *cp++; |
249 | *cp2 = '\0'; | |
250 | ||
251 | /* | |
252 | * Look up the command; if not found, bitch. | |
253 | * Normally, a blank command would map to the | |
254 | * first command in the table; while sourcing, | |
255 | * however, we ignore blank lines to eliminate | |
256 | * confusion. | |
257 | */ | |
258 | ||
828615a1 | 259 | if (sourcing && *word == '\0') |
ac72cd41 KS |
260 | return(0); |
261 | com = lex(word); | |
262 | if (com == NONE) { | |
7a05656e | 263 | printf("Unknown command: \"%s\"\n", word); |
2ee3bce2 | 264 | goto out; |
ac72cd41 KS |
265 | } |
266 | ||
128ec005 KS |
267 | /* |
268 | * See if we should execute the command -- if a conditional | |
269 | * we always execute it, otherwise, check the state of cond. | |
270 | */ | |
271 | ||
989e19a2 | 272 | if ((com->c_argtype & F) == 0) |
128ec005 KS |
273 | if (cond == CRCV && !rcvmode || cond == CSEND && rcvmode) |
274 | return(0); | |
275 | ||
ac72cd41 KS |
276 | /* |
277 | * Process the arguments to the command, depending | |
278 | * on the type he expects. Default to an error. | |
279 | * If we are sourcing an interactive command, it's | |
280 | * an error. | |
281 | */ | |
282 | ||
283 | if (!rcvmode && (com->c_argtype & M) == 0) { | |
284 | printf("May not execute \"%s\" while sending\n", | |
285 | com->c_name); | |
2ee3bce2 | 286 | goto out; |
ac72cd41 KS |
287 | } |
288 | if (sourcing && com->c_argtype & I) { | |
289 | printf("May not execute \"%s\" while sourcing\n", | |
290 | com->c_name); | |
2ee3bce2 | 291 | goto out; |
ac72cd41 | 292 | } |
e5717bff KS |
293 | if (readonly && com->c_argtype & W) { |
294 | printf("May not execute \"%s\" -- message file is read only\n", | |
295 | com->c_name); | |
2ee3bce2 | 296 | goto out; |
e5717bff | 297 | } |
2cd8e0a9 KS |
298 | if (contxt && com->c_argtype & R) { |
299 | printf("Cannot recursively invoke \"%s\"\n", com->c_name); | |
2ee3bce2 | 300 | goto out; |
2cd8e0a9 | 301 | } |
2cd8e0a9 | 302 | switch (com->c_argtype & ~(F|P|I|M|T|W|R)) { |
ac72cd41 KS |
303 | case MSGLIST: |
304 | /* | |
305 | * A message list defaulting to nearest forward | |
306 | * legal message. | |
307 | */ | |
7a05656e KS |
308 | if (msgvec == 0) { |
309 | printf("Illegal use of \"message list\"\n"); | |
2ee3bce2 | 310 | break; |
7a05656e | 311 | } |
ac72cd41 KS |
312 | if ((c = getmsglist(cp, msgvec, com->c_msgflag)) < 0) |
313 | break; | |
314 | if (c == 0) { | |
315 | *msgvec = first(com->c_msgflag, | |
316 | com->c_msgmask); | |
317 | msgvec[1] = NULL; | |
318 | } | |
319 | if (*msgvec == NULL) { | |
320 | printf("No applicable messages\n"); | |
321 | break; | |
322 | } | |
323 | e = (*com->c_func)(msgvec); | |
324 | break; | |
325 | ||
326 | case NDMLIST: | |
327 | /* | |
328 | * A message list with no defaults, but no error | |
329 | * if none exist. | |
330 | */ | |
7a05656e KS |
331 | if (msgvec == 0) { |
332 | printf("Illegal use of \"message list\"\n"); | |
2ee3bce2 | 333 | break; |
7a05656e | 334 | } |
ac72cd41 KS |
335 | if (getmsglist(cp, msgvec, com->c_msgflag) < 0) |
336 | break; | |
337 | e = (*com->c_func)(msgvec); | |
338 | break; | |
339 | ||
340 | case STRLIST: | |
341 | /* | |
342 | * Just the straight string, with | |
343 | * leading blanks removed. | |
344 | */ | |
828615a1 | 345 | while (isspace(*cp)) |
ac72cd41 KS |
346 | cp++; |
347 | e = (*com->c_func)(cp); | |
348 | break; | |
349 | ||
350 | case RAWLIST: | |
351 | /* | |
352 | * A vector of strings, in shell style. | |
353 | */ | |
fee4667a S |
354 | if ((c = getrawlist(cp, arglist, |
355 | sizeof arglist / sizeof *arglist)) < 0) | |
ac72cd41 KS |
356 | break; |
357 | if (c < com->c_minargs) { | |
358 | printf("%s requires at least %d arg(s)\n", | |
359 | com->c_name, com->c_minargs); | |
360 | break; | |
361 | } | |
362 | if (c > com->c_maxargs) { | |
363 | printf("%s takes no more than %d arg(s)\n", | |
364 | com->c_name, com->c_maxargs); | |
365 | break; | |
366 | } | |
367 | e = (*com->c_func)(arglist); | |
368 | break; | |
369 | ||
370 | case NOLIST: | |
371 | /* | |
372 | * Just the constant zero, for exiting, | |
373 | * eg. | |
374 | */ | |
375 | e = (*com->c_func)(0); | |
376 | break; | |
377 | ||
378 | default: | |
379 | panic("Unknown argtype"); | |
380 | } | |
381 | ||
2ee3bce2 | 382 | out: |
ac72cd41 KS |
383 | /* |
384 | * Exit the current source file on | |
385 | * error. | |
386 | */ | |
2ee3bce2 EW |
387 | if (e) { |
388 | if (e < 0) | |
389 | return 1; | |
390 | if (loading) | |
391 | return 1; | |
392 | if (sourcing) | |
393 | unstack(); | |
394 | return 0; | |
395 | } | |
ac72cd41 | 396 | if (value("autoprint") != NOSTR && com->c_argtype & P) |
e5717bff KS |
397 | if ((dot->m_flag & MDELETED) == 0) { |
398 | muvec[0] = dot - &message[0] + 1; | |
399 | muvec[1] = 0; | |
400 | type(muvec); | |
401 | } | |
128ec005 | 402 | if (!sourcing && (com->c_argtype & T) == 0) |
ac72cd41 KS |
403 | sawcom = 1; |
404 | return(0); | |
405 | } | |
406 | ||
e5717bff KS |
407 | /* |
408 | * Set the size of the message vector used to construct argument | |
409 | * lists to message list functions. | |
410 | */ | |
a0d23834 | 411 | void |
e5717bff | 412 | setmsize(sz) |
a0d23834 | 413 | int sz; |
e5717bff KS |
414 | { |
415 | ||
828615a1 EW |
416 | if (msgvec != 0) |
417 | cfree((char *) msgvec); | |
e5717bff KS |
418 | msgvec = (int *) calloc((unsigned) (sz + 1), sizeof *msgvec); |
419 | } | |
420 | ||
ac72cd41 KS |
421 | /* |
422 | * Find the correct command in the command table corresponding | |
423 | * to the passed command "word" | |
424 | */ | |
425 | ||
426 | struct cmd * | |
427 | lex(word) | |
428 | char word[]; | |
429 | { | |
430 | register struct cmd *cp; | |
431 | extern struct cmd cmdtab[]; | |
432 | ||
433 | for (cp = &cmdtab[0]; cp->c_name != NOSTR; cp++) | |
434 | if (isprefix(word, cp->c_name)) | |
435 | return(cp); | |
436 | return(NONE); | |
437 | } | |
438 | ||
439 | /* | |
440 | * Determine if as1 is a valid prefix of as2. | |
441 | * Return true if yep. | |
442 | */ | |
a0d23834 | 443 | int |
ac72cd41 KS |
444 | isprefix(as1, as2) |
445 | char *as1, *as2; | |
446 | { | |
447 | register char *s1, *s2; | |
448 | ||
449 | s1 = as1; | |
450 | s2 = as2; | |
451 | while (*s1++ == *s2) | |
452 | if (*s2++ == '\0') | |
453 | return(1); | |
454 | return(*--s1 == '\0'); | |
455 | } | |
456 | ||
457 | /* | |
828615a1 | 458 | * The following gets called on receipt of an interrupt. This is |
ac72cd41 KS |
459 | * to abort printout of a command, mainly. |
460 | * Dispatching here when command() is inactive crashes rcv. | |
461 | * Close all open files except 0, 1, 2, and the temporary. | |
ac72cd41 KS |
462 | * Also, unstack all source files. |
463 | */ | |
464 | ||
e39b1d85 KS |
465 | int inithdr; /* am printing startup headers */ |
466 | ||
828615a1 | 467 | /*ARGSUSED*/ |
a6714963 | 468 | void |
2ee3bce2 | 469 | intr(s) |
a0d23834 | 470 | int s; |
ac72cd41 | 471 | { |
ac72cd41 KS |
472 | |
473 | noreset = 0; | |
e39b1d85 KS |
474 | if (!inithdr) |
475 | sawcom++; | |
476 | inithdr = 0; | |
ac72cd41 KS |
477 | while (sourcing) |
478 | unstack(); | |
46053c99 | 479 | |
07b0d286 | 480 | close_all_files(); |
46053c99 | 481 | |
ac72cd41 KS |
482 | if (image >= 0) { |
483 | close(image); | |
484 | image = -1; | |
485 | } | |
80187484 | 486 | fprintf(stderr, "Interrupt\n"); |
ac72cd41 KS |
487 | reset(0); |
488 | } | |
489 | ||
2ee3bce2 EW |
490 | /* |
491 | * When we wake up after ^Z, reprint the prompt. | |
492 | */ | |
a6714963 | 493 | void |
2ee3bce2 | 494 | stop(s) |
a0d23834 | 495 | int s; |
2ee3bce2 | 496 | { |
e62a1467 | 497 | sig_t old_action = signal(s, SIG_DFL); |
2ee3bce2 EW |
498 | |
499 | sigsetmask(sigblock(0) & ~sigmask(s)); | |
500 | kill(0, s); | |
501 | sigblock(sigmask(s)); | |
502 | signal(s, old_action); | |
503 | if (reset_on_stop) { | |
504 | reset_on_stop = 0; | |
505 | reset(0); | |
506 | } | |
507 | } | |
508 | ||
509 | /* | |
510 | * Branch here on hangup signal and simulate "exit". | |
511 | */ | |
512 | /*ARGSUSED*/ | |
a6714963 | 513 | void |
2ee3bce2 | 514 | hangup(s) |
a0d23834 | 515 | int s; |
2ee3bce2 EW |
516 | { |
517 | ||
518 | /* nothing to do? */ | |
519 | exit(1); | |
520 | } | |
521 | ||
ac72cd41 KS |
522 | /* |
523 | * Announce the presence of the current Mail version, | |
524 | * give the message count, and print a header listing. | |
525 | */ | |
a0d23834 | 526 | void |
4d20fb09 | 527 | announce() |
ac72cd41 | 528 | { |
f3bfa857 | 529 | int vec[2], mdot; |
74745497 KS |
530 | |
531 | mdot = newfileinfo(); | |
532 | vec[0] = mdot; | |
533 | vec[1] = 0; | |
74745497 | 534 | dot = &message[mdot - 1]; |
209a87d1 | 535 | if (msgCount > 0 && value("noheader") == NOSTR) { |
e39b1d85 | 536 | inithdr++; |
74745497 | 537 | headers(vec); |
e39b1d85 KS |
538 | inithdr = 0; |
539 | } | |
74745497 KS |
540 | } |
541 | ||
542 | /* | |
543 | * Announce information about the file we are editing. | |
544 | * Return a likely place to set dot. | |
545 | */ | |
a0d23834 | 546 | int |
74745497 KS |
547 | newfileinfo() |
548 | { | |
ac72cd41 | 549 | register struct message *mp; |
83be1edb | 550 | register int u, n, mdot, d, s; |
46d3d6df | 551 | char fname[BUFSIZ], zname[BUFSIZ], *ename; |
ac72cd41 | 552 | |
c52f0860 KS |
553 | for (mp = &message[0]; mp < &message[msgCount]; mp++) |
554 | if (mp->m_flag & MNEW) | |
555 | break; | |
f3bfa857 KS |
556 | if (mp >= &message[msgCount]) |
557 | for (mp = &message[0]; mp < &message[msgCount]; mp++) | |
558 | if ((mp->m_flag & MREAD) == 0) | |
559 | break; | |
c52f0860 | 560 | if (mp < &message[msgCount]) |
f3bfa857 | 561 | mdot = mp - &message[0] + 1; |
c52f0860 | 562 | else |
f3bfa857 | 563 | mdot = 1; |
83be1edb | 564 | s = d = 0; |
128ec005 KS |
565 | for (mp = &message[0], n = 0, u = 0; mp < &message[msgCount]; mp++) { |
566 | if (mp->m_flag & MNEW) | |
567 | n++; | |
568 | if ((mp->m_flag & MREAD) == 0) | |
569 | u++; | |
83be1edb KS |
570 | if (mp->m_flag & MDELETED) |
571 | d++; | |
572 | if (mp->m_flag & MSAVED) | |
573 | s++; | |
128ec005 | 574 | } |
46d3d6df KS |
575 | ename = mailname; |
576 | if (getfold(fname) >= 0) { | |
577 | strcat(fname, "/"); | |
578 | if (strncmp(fname, mailname, strlen(fname)) == 0) { | |
579 | sprintf(zname, "+%s", mailname + strlen(fname)); | |
580 | ename = zname; | |
581 | } | |
582 | } | |
583 | printf("\"%s\": ", ename); | |
74745497 KS |
584 | if (msgCount == 1) |
585 | printf("1 message"); | |
586 | else | |
587 | printf("%d messages", msgCount); | |
128ec005 KS |
588 | if (n > 0) |
589 | printf(" %d new", n); | |
590 | if (u-n > 0) | |
591 | printf(" %d unread", u); | |
83be1edb KS |
592 | if (d > 0) |
593 | printf(" %d deleted", d); | |
594 | if (s > 0) | |
595 | printf(" %d saved", s); | |
74745497 KS |
596 | if (readonly) |
597 | printf(" [Read only]"); | |
e5717bff | 598 | printf("\n"); |
74745497 | 599 | return(mdot); |
ac72cd41 KS |
600 | } |
601 | ||
ac72cd41 KS |
602 | /* |
603 | * Print the current version number. | |
604 | */ | |
605 | ||
828615a1 | 606 | /*ARGSUSED*/ |
a0d23834 | 607 | int |
ac72cd41 | 608 | pversion(e) |
a0d23834 | 609 | int e; |
ac72cd41 | 610 | { |
001d60ad | 611 | extern char *version; |
828615a1 | 612 | |
a0aaf589 | 613 | printf("Version %s\n", version); |
ac72cd41 KS |
614 | return(0); |
615 | } | |
7a05656e KS |
616 | |
617 | /* | |
618 | * Load a file of user definitions. | |
619 | */ | |
a0d23834 | 620 | void |
7a05656e KS |
621 | load(name) |
622 | char *name; | |
623 | { | |
624 | register FILE *in, *oldin; | |
625 | ||
07b0d286 | 626 | if ((in = Fopen(name, "r")) == NULL) |
7a05656e KS |
627 | return; |
628 | oldin = input; | |
629 | input = in; | |
630 | loading = 1; | |
631 | sourcing = 1; | |
632 | commands(); | |
633 | loading = 0; | |
634 | sourcing = 0; | |
635 | input = oldin; | |
07b0d286 | 636 | Fclose(in); |
7a05656e | 637 | } |