Commit | Line | Data |
---|---|---|
d0aeaf5a 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 | |
6 | * provided that this notice is preserved and that due credit is given | |
7 | * to the University of California at Berkeley. The name of the University | |
8 | * may not be used to endorse or promote products derived from this | |
9 | * software without specific prior written permission. This software | |
10 | * is provided ``as is'' without express or implied warranty. | |
d0aeaf5a DF |
11 | */ |
12 | ||
0c5f72fb | 13 | #ifdef notdef |
c6bb00f3 | 14 | static char sccsid[] = "@(#)cmd3.c 5.12 (Berkeley) %G%"; |
0c5f72fb | 15 | #endif /* notdef */ |
ca6bb034 KS |
16 | |
17 | #include "rcv.h" | |
18 | #include <sys/stat.h> | |
828615a1 | 19 | #include <sys/wait.h> |
ca6bb034 KS |
20 | |
21 | /* | |
22 | * Mail -- a mail program | |
23 | * | |
24 | * Still more user commands. | |
25 | */ | |
26 | ||
ca6bb034 KS |
27 | /* |
28 | * Process a shell escape by saving signals, ignoring signals, | |
29 | * and forking a sh -c | |
30 | */ | |
31 | ||
32 | shell(str) | |
33 | char *str; | |
34 | { | |
828615a1 EW |
35 | int (*sigint)(), (*sigquit)(); |
36 | union wait stat; | |
ca6bb034 KS |
37 | register int t; |
38 | char *Shell; | |
e8adee6e | 39 | char cmd[BUFSIZ]; |
ca6bb034 | 40 | |
e8adee6e KS |
41 | strcpy(cmd, str); |
42 | if (bangexp(cmd) < 0) | |
43 | return(-1); | |
ca6bb034 KS |
44 | if ((Shell = value("SHELL")) == NOSTR) |
45 | Shell = SHELL; | |
828615a1 EW |
46 | sigint = signal(SIGINT, SIG_IGN); |
47 | sigquit = signal(SIGQUIT, SIG_IGN); | |
ca6bb034 KS |
48 | t = vfork(); |
49 | if (t == 0) { | |
828615a1 EW |
50 | if (sigint != SIG_IGN) |
51 | signal(SIGINT, SIG_DFL); | |
52 | if (sigquit != SIG_IGN) | |
53 | signal(SIGQUIT, SIG_DFL); | |
397029be | 54 | execl(Shell, Shell, "-c", cmd, (char *)0); |
ca6bb034 KS |
55 | perror(Shell); |
56 | _exit(1); | |
57 | } | |
828615a1 | 58 | while (wait(&stat) != t) |
ca6bb034 KS |
59 | ; |
60 | if (t == -1) | |
61 | perror("fork"); | |
828615a1 EW |
62 | signal(SIGINT, sigint); |
63 | signal(SIGQUIT, sigquit); | |
ca6bb034 KS |
64 | printf("!\n"); |
65 | return(0); | |
66 | } | |
67 | ||
68 | /* | |
69 | * Fork an interactive shell. | |
70 | */ | |
71 | ||
828615a1 | 72 | /*ARGSUSED*/ |
ca6bb034 KS |
73 | dosh(str) |
74 | char *str; | |
75 | { | |
828615a1 EW |
76 | int (*sigint)(), (*sigquit)(); |
77 | union wait stat; | |
ca6bb034 KS |
78 | register int t; |
79 | char *Shell; | |
828615a1 | 80 | |
ca6bb034 KS |
81 | if ((Shell = value("SHELL")) == NOSTR) |
82 | Shell = SHELL; | |
828615a1 EW |
83 | sigint = signal(SIGINT, SIG_IGN); |
84 | sigquit = signal(SIGQUIT, SIG_IGN); | |
ca6bb034 KS |
85 | t = vfork(); |
86 | if (t == 0) { | |
828615a1 EW |
87 | if (sigint != SIG_IGN) |
88 | signal(SIGINT, SIG_DFL); | |
89 | if (sigquit != SIG_IGN) | |
90 | signal(SIGQUIT, SIG_DFL); | |
397029be | 91 | execl(Shell, Shell, (char *)0); |
ca6bb034 KS |
92 | perror(Shell); |
93 | _exit(1); | |
94 | } | |
828615a1 | 95 | while (wait(&stat) != t) |
ca6bb034 KS |
96 | ; |
97 | if (t == -1) | |
98 | perror("fork"); | |
828615a1 EW |
99 | signal(SIGINT, sigint); |
100 | signal(SIGQUIT, sigquit); | |
ca6bb034 KS |
101 | putchar('\n'); |
102 | return(0); | |
103 | } | |
104 | ||
e8adee6e KS |
105 | /* |
106 | * Expand the shell escape by expanding unescaped !'s into the | |
107 | * last issued command where possible. | |
108 | */ | |
109 | ||
110 | char lastbang[128]; | |
111 | ||
112 | bangexp(str) | |
113 | char *str; | |
114 | { | |
115 | char bangbuf[BUFSIZ]; | |
116 | register char *cp, *cp2; | |
117 | register int n; | |
118 | int changed = 0; | |
119 | ||
120 | cp = str; | |
121 | cp2 = bangbuf; | |
122 | n = BUFSIZ; | |
123 | while (*cp) { | |
124 | if (*cp == '!') { | |
125 | if (n < strlen(lastbang)) { | |
126 | overf: | |
127 | printf("Command buffer overflow\n"); | |
128 | return(-1); | |
129 | } | |
130 | changed++; | |
131 | strcpy(cp2, lastbang); | |
132 | cp2 += strlen(lastbang); | |
133 | n -= strlen(lastbang); | |
134 | cp++; | |
135 | continue; | |
136 | } | |
137 | if (*cp == '\\' && cp[1] == '!') { | |
138 | if (--n <= 1) | |
139 | goto overf; | |
140 | *cp2++ = '!'; | |
141 | cp += 2; | |
142 | changed++; | |
143 | } | |
144 | if (--n <= 1) | |
145 | goto overf; | |
146 | *cp2++ = *cp++; | |
147 | } | |
148 | *cp2 = 0; | |
149 | if (changed) { | |
150 | printf("!%s\n", bangbuf); | |
151 | fflush(stdout); | |
152 | } | |
153 | strcpy(str, bangbuf); | |
154 | strncpy(lastbang, bangbuf, 128); | |
155 | lastbang[127] = 0; | |
156 | return(0); | |
157 | } | |
158 | ||
ca6bb034 KS |
159 | /* |
160 | * Print out a nice help message from some file or another. | |
161 | */ | |
162 | ||
163 | help() | |
164 | { | |
165 | register c; | |
166 | register FILE *f; | |
167 | ||
168 | if ((f = fopen(HELPFILE, "r")) == NULL) { | |
7949d400 | 169 | perror(HELPFILE); |
ca6bb034 KS |
170 | return(1); |
171 | } | |
172 | while ((c = getc(f)) != EOF) | |
173 | putchar(c); | |
174 | fclose(f); | |
175 | return(0); | |
176 | } | |
177 | ||
178 | /* | |
179 | * Change user's working directory. | |
180 | */ | |
181 | ||
182 | schdir(str) | |
183 | char *str; | |
184 | { | |
185 | register char *cp; | |
186 | ||
187 | for (cp = str; *cp == ' '; cp++) | |
188 | ; | |
189 | if (*cp == '\0') | |
190 | cp = homedir; | |
191 | else | |
192 | if ((cp = expand(cp)) == NOSTR) | |
193 | return(1); | |
194 | if (chdir(cp) < 0) { | |
195 | perror(cp); | |
196 | return(1); | |
197 | } | |
198 | return(0); | |
199 | } | |
200 | ||
397029be S |
201 | respond(msgvec) |
202 | int *msgvec; | |
203 | { | |
204 | if (value("Replyall") == NOSTR) | |
205 | return (_respond(msgvec)); | |
206 | else | |
207 | return (_Respond(msgvec)); | |
208 | } | |
209 | ||
ca6bb034 KS |
210 | /* |
211 | * Reply to a list of messages. Extract each name from the | |
212 | * message header and send them off to mail1() | |
213 | */ | |
397029be | 214 | _respond(msgvec) |
ca6bb034 KS |
215 | int *msgvec; |
216 | { | |
217 | struct message *mp; | |
828615a1 | 218 | char *cp, *rcv, *replyto; |
3d6f01e5 | 219 | char **ap; |
ca6bb034 KS |
220 | struct name *np; |
221 | struct header head; | |
ca6bb034 KS |
222 | |
223 | if (msgvec[1] != 0) { | |
224 | printf("Sorry, can't reply to multiple messages at once\n"); | |
225 | return(1); | |
226 | } | |
227 | mp = &message[msgvec[0] - 1]; | |
228 | dot = mp; | |
3d6f01e5 EW |
229 | if ((rcv = skin(hfield("from", mp))) == NOSTR) |
230 | rcv = skin(nameof(mp, 1)); | |
231 | if ((replyto = skin(hfield("reply-to", mp))) != NOSTR) | |
232 | np = extract(replyto, GTO); | |
233 | else if ((cp = skin(hfield("to", mp))) != NOSTR) | |
234 | np = extract(cp, GTO); | |
235 | else | |
236 | np = NIL; | |
237 | np = elide(np); | |
1c04ff22 KS |
238 | /* |
239 | * Delete my name from the reply list, | |
240 | * and with it, all my alternate names. | |
241 | */ | |
7949d400 CL |
242 | np = delname(np, myname, icequal); |
243 | if (altnames) | |
1c04ff22 | 244 | for (ap = altnames; *ap; ap++) |
7949d400 | 245 | np = delname(np, *ap, icequal); |
3d6f01e5 EW |
246 | if (np != NIL && replyto == NOSTR) |
247 | np = cat(np, extract(rcv, GTO)); | |
248 | else if (np == NIL) { | |
249 | if (replyto != NOSTR) | |
52984be9 | 250 | printf("Empty reply-to field -- replying to author\n"); |
3d6f01e5 | 251 | np = extract(rcv, GTO); |
52984be9 | 252 | } |
3d6f01e5 EW |
253 | head.h_to = np; |
254 | if ((head.h_subject = hfield("subject", mp)) == NOSTR) | |
ca6bb034 | 255 | head.h_subject = hfield("subj", mp); |
fc8872bb | 256 | head.h_subject = reedit(head.h_subject); |
3d6f01e5 EW |
257 | if (replyto == NOSTR && (cp = skin(hfield("cc", mp))) != NOSTR) { |
258 | np = elide(extract(cp, GCC)); | |
259 | np = delname(np, myname, icequal); | |
260 | if (altnames != 0) | |
261 | for (ap = altnames; *ap; ap++) | |
262 | np = delname(np, *ap, icequal); | |
263 | head.h_cc = np; | |
264 | } else | |
265 | head.h_cc = NIL; | |
266 | head.h_bcc = NIL; | |
267 | head.h_smopts = NIL; | |
268 | mail1(&head, 1); | |
ca6bb034 KS |
269 | return(0); |
270 | } | |
271 | ||
fc8872bb KS |
272 | /* |
273 | * Modify the subject we are replying to to begin with Re: if | |
274 | * it does not already. | |
275 | */ | |
fc8872bb KS |
276 | char * |
277 | reedit(subj) | |
3d6f01e5 | 278 | register char *subj; |
fc8872bb | 279 | { |
3d6f01e5 | 280 | char *newsubj; |
fc8872bb KS |
281 | |
282 | if (subj == NOSTR) | |
3d6f01e5 EW |
283 | return NOSTR; |
284 | if ((subj[0] == 'r' || subj[0] == 'R') && | |
285 | (subj[1] == 'e' || subj[1] == 'E') && | |
286 | subj[2] == ':') | |
287 | return subj; | |
288 | newsubj = salloc(strlen(subj) + 5); | |
289 | strcpy(newsubj, "Re: "); | |
c6bb00f3 | 290 | strcpy(newsubj + 4, subj); |
3d6f01e5 | 291 | return newsubj; |
fc8872bb KS |
292 | } |
293 | ||
ca6bb034 KS |
294 | /* |
295 | * Preserve the named messages, so that they will be sent | |
296 | * back to the system mailbox. | |
297 | */ | |
298 | ||
299 | preserve(msgvec) | |
300 | int *msgvec; | |
301 | { | |
302 | register struct message *mp; | |
303 | register int *ip, mesg; | |
304 | ||
305 | if (edit) { | |
306 | printf("Cannot \"preserve\" in edit mode\n"); | |
307 | return(1); | |
308 | } | |
309 | for (ip = msgvec; *ip != NULL; ip++) { | |
310 | mesg = *ip; | |
311 | mp = &message[mesg-1]; | |
312 | mp->m_flag |= MPRESERVE; | |
8fe58892 | 313 | mp->m_flag &= ~MBOX; |
ca6bb034 KS |
314 | dot = mp; |
315 | } | |
316 | return(0); | |
317 | } | |
318 | ||
397029be S |
319 | /* |
320 | * Mark all given messages as unread. | |
321 | */ | |
322 | unread(msgvec) | |
323 | int msgvec[]; | |
324 | { | |
325 | register int *ip; | |
326 | ||
327 | for (ip = msgvec; *ip != NULL; ip++) { | |
328 | dot = &message[*ip-1]; | |
329 | dot->m_flag &= ~(MREAD|MTOUCH); | |
330 | dot->m_flag |= MSTATUS; | |
331 | } | |
332 | return(0); | |
333 | } | |
334 | ||
ca6bb034 KS |
335 | /* |
336 | * Print the size of each message. | |
337 | */ | |
338 | ||
339 | messize(msgvec) | |
340 | int *msgvec; | |
341 | { | |
342 | register struct message *mp; | |
343 | register int *ip, mesg; | |
344 | ||
345 | for (ip = msgvec; *ip != NULL; ip++) { | |
346 | mesg = *ip; | |
347 | mp = &message[mesg-1]; | |
397029be | 348 | printf("%d: %d/%ld\n", mesg, mp->m_lines, mp->m_size); |
ca6bb034 KS |
349 | } |
350 | return(0); | |
351 | } | |
352 | ||
353 | /* | |
354 | * Quit quickly. If we are sourcing, just pop the input level | |
355 | * by returning an error. | |
356 | */ | |
357 | ||
358 | rexit(e) | |
359 | { | |
360 | if (sourcing) | |
361 | return(1); | |
362 | exit(e); | |
828615a1 | 363 | /*NOTREACHED*/ |
ca6bb034 KS |
364 | } |
365 | ||
366 | /* | |
367 | * Set or display a variable value. Syntax is similar to that | |
368 | * of csh. | |
369 | */ | |
370 | ||
371 | set(arglist) | |
372 | char **arglist; | |
373 | { | |
374 | register struct var *vp; | |
375 | register char *cp, *cp2; | |
376 | char varbuf[BUFSIZ], **ap, **p; | |
377 | int errs, h, s; | |
378 | ||
379 | if (argcount(arglist) == 0) { | |
380 | for (h = 0, s = 1; h < HSHSIZE; h++) | |
381 | for (vp = variables[h]; vp != NOVAR; vp = vp->v_link) | |
382 | s++; | |
383 | ap = (char **) salloc(s * sizeof *ap); | |
384 | for (h = 0, p = ap; h < HSHSIZE; h++) | |
385 | for (vp = variables[h]; vp != NOVAR; vp = vp->v_link) | |
386 | *p++ = vp->v_name; | |
387 | *p = NOSTR; | |
388 | sort(ap); | |
389 | for (p = ap; *p != NOSTR; p++) | |
390 | printf("%s\t%s\n", *p, value(*p)); | |
391 | return(0); | |
392 | } | |
393 | errs = 0; | |
394 | for (ap = arglist; *ap != NOSTR; ap++) { | |
395 | cp = *ap; | |
396 | cp2 = varbuf; | |
397 | while (*cp != '=' && *cp != '\0') | |
398 | *cp2++ = *cp++; | |
399 | *cp2 = '\0'; | |
400 | if (*cp == '\0') | |
401 | cp = ""; | |
402 | else | |
403 | cp++; | |
404 | if (equal(varbuf, "")) { | |
405 | printf("Non-null variable name required\n"); | |
406 | errs++; | |
407 | continue; | |
408 | } | |
409 | assign(varbuf, cp); | |
410 | } | |
411 | return(errs); | |
412 | } | |
413 | ||
414 | /* | |
415 | * Unset a bunch of variable values. | |
416 | */ | |
417 | ||
418 | unset(arglist) | |
419 | char **arglist; | |
420 | { | |
421 | register struct var *vp, *vp2; | |
ca6bb034 KS |
422 | int errs, h; |
423 | char **ap; | |
424 | ||
425 | errs = 0; | |
426 | for (ap = arglist; *ap != NOSTR; ap++) { | |
427 | if ((vp2 = lookup(*ap)) == NOVAR) { | |
428 | if (!sourcing) { | |
429 | printf("\"%s\": undefined variable\n", *ap); | |
430 | errs++; | |
431 | } | |
432 | continue; | |
433 | } | |
434 | h = hash(*ap); | |
435 | if (vp2 == variables[h]) { | |
436 | variables[h] = variables[h]->v_link; | |
437 | vfree(vp2->v_name); | |
438 | vfree(vp2->v_value); | |
828615a1 | 439 | cfree((char *)vp2); |
ca6bb034 KS |
440 | continue; |
441 | } | |
442 | for (vp = variables[h]; vp->v_link != vp2; vp = vp->v_link) | |
443 | ; | |
444 | vp->v_link = vp2->v_link; | |
445 | vfree(vp2->v_name); | |
446 | vfree(vp2->v_value); | |
828615a1 | 447 | cfree((char *) vp2); |
ca6bb034 KS |
448 | } |
449 | return(errs); | |
450 | } | |
451 | ||
452 | /* | |
453 | * Put add users to a group. | |
454 | */ | |
455 | ||
456 | group(argv) | |
457 | char **argv; | |
458 | { | |
459 | register struct grouphead *gh; | |
460 | register struct group *gp; | |
461 | register int h; | |
462 | int s; | |
463 | char **ap, *gname, **p; | |
464 | ||
465 | if (argcount(argv) == 0) { | |
466 | for (h = 0, s = 1; h < HSHSIZE; h++) | |
467 | for (gh = groups[h]; gh != NOGRP; gh = gh->g_link) | |
468 | s++; | |
469 | ap = (char **) salloc(s * sizeof *ap); | |
470 | for (h = 0, p = ap; h < HSHSIZE; h++) | |
471 | for (gh = groups[h]; gh != NOGRP; gh = gh->g_link) | |
472 | *p++ = gh->g_name; | |
473 | *p = NOSTR; | |
474 | sort(ap); | |
475 | for (p = ap; *p != NOSTR; p++) | |
476 | printgroup(*p); | |
477 | return(0); | |
478 | } | |
479 | if (argcount(argv) == 1) { | |
480 | printgroup(*argv); | |
481 | return(0); | |
482 | } | |
483 | gname = *argv; | |
484 | h = hash(gname); | |
485 | if ((gh = findgroup(gname)) == NOGRP) { | |
486 | gh = (struct grouphead *) calloc(sizeof *gh, 1); | |
487 | gh->g_name = vcopy(gname); | |
488 | gh->g_list = NOGE; | |
489 | gh->g_link = groups[h]; | |
490 | groups[h] = gh; | |
491 | } | |
492 | ||
493 | /* | |
494 | * Insert names from the command list into the group. | |
495 | * Who cares if there are duplicates? They get tossed | |
496 | * later anyway. | |
497 | */ | |
498 | ||
499 | for (ap = argv+1; *ap != NOSTR; ap++) { | |
500 | gp = (struct group *) calloc(sizeof *gp, 1); | |
501 | gp->ge_name = vcopy(*ap); | |
502 | gp->ge_link = gh->g_list; | |
503 | gh->g_list = gp; | |
504 | } | |
505 | return(0); | |
506 | } | |
507 | ||
508 | /* | |
509 | * Sort the passed string vecotor into ascending dictionary | |
510 | * order. | |
511 | */ | |
512 | ||
513 | sort(list) | |
514 | char **list; | |
515 | { | |
516 | register char **ap; | |
517 | int diction(); | |
518 | ||
519 | for (ap = list; *ap != NOSTR; ap++) | |
520 | ; | |
521 | if (ap-list < 2) | |
522 | return; | |
828615a1 | 523 | qsort((char *)list, ap-list, sizeof *list, diction); |
ca6bb034 KS |
524 | } |
525 | ||
526 | /* | |
527 | * Do a dictionary order comparison of the arguments from | |
528 | * qsort. | |
529 | */ | |
530 | ||
531 | diction(a, b) | |
532 | register char **a, **b; | |
533 | { | |
534 | return(strcmp(*a, *b)); | |
535 | } | |
536 | ||
537 | /* | |
538 | * The do nothing command for comments. | |
539 | */ | |
540 | ||
828615a1 | 541 | /*ARGSUSED*/ |
ca6bb034 KS |
542 | null(e) |
543 | { | |
828615a1 | 544 | return 0; |
ca6bb034 KS |
545 | } |
546 | ||
547 | /* | |
1031a04a | 548 | * Print out the current edit file, if we are editing. |
ca6bb034 KS |
549 | * Otherwise, print the name of the person who's mail |
550 | * we are reading. | |
551 | */ | |
552 | ||
1031a04a | 553 | file(argv) |
2a0f6531 | 554 | register char **argv; |
ca6bb034 KS |
555 | { |
556 | register char *cp; | |
557 | ||
1031a04a | 558 | if (argv[0] == NOSTR) { |
890194fb | 559 | newfileinfo(); |
2a0f6531 | 560 | return 0; |
1031a04a | 561 | } |
2a0f6531 EW |
562 | if ((cp = expand(*argv)) == NOSTR) |
563 | return -1; | |
564 | strcpy(prevfile, mailname); | |
565 | if (setfile(cp, **argv != '%')) { | |
f3b6f2ce | 566 | perror(cp); |
2a0f6531 | 567 | return -1; |
f3b6f2ce | 568 | } |
4d20fb09 | 569 | announce(); |
828615a1 | 570 | return 0; |
1031a04a KS |
571 | } |
572 | ||
ca6bb034 KS |
573 | /* |
574 | * Expand file names like echo | |
575 | */ | |
ca6bb034 KS |
576 | echo(argv) |
577 | char **argv; | |
578 | { | |
579 | register char **ap; | |
580 | register char *cp; | |
581 | ||
582 | for (ap = argv; *ap != NOSTR; ap++) { | |
583 | cp = *ap; | |
790344bc EW |
584 | if ((cp = expand(cp)) != NOSTR) { |
585 | if (ap != argv) | |
586 | putchar(' '); | |
587 | printf("%s", cp); | |
588 | } | |
ca6bb034 | 589 | } |
790344bc | 590 | putchar('\n'); |
3d6f01e5 | 591 | return 0; |
ca6bb034 KS |
592 | } |
593 | ||
397029be S |
594 | Respond(msgvec) |
595 | int *msgvec; | |
596 | { | |
597 | if (value("Replyall") == NOSTR) | |
598 | return (_Respond(msgvec)); | |
599 | else | |
600 | return (_respond(msgvec)); | |
601 | } | |
602 | ||
ca6bb034 KS |
603 | /* |
604 | * Reply to a series of messages by simply mailing to the senders | |
605 | * and not messing around with the To: and Cc: lists as in normal | |
606 | * reply. | |
607 | */ | |
397029be | 608 | _Respond(msgvec) |
ca6bb034 KS |
609 | int msgvec[]; |
610 | { | |
611 | struct header head; | |
612 | struct message *mp; | |
3d6f01e5 EW |
613 | register int *ap; |
614 | register char *cp; | |
ca6bb034 | 615 | |
3d6f01e5 | 616 | head.h_to = NIL; |
ca6bb034 KS |
617 | for (ap = msgvec; *ap != 0; ap++) { |
618 | mp = &message[*ap - 1]; | |
3d6f01e5 EW |
619 | dot = mp; |
620 | if ((cp = skin(hfield("from", mp))) == NOSTR) | |
621 | cp = skin(nameof(mp, 2)); | |
622 | head.h_to = cat(head.h_to, extract(cp, GTO)); | |
ca6bb034 | 623 | } |
3d6f01e5 EW |
624 | if (head.h_to == NIL) |
625 | return 0; | |
ca6bb034 | 626 | mp = &message[msgvec[0] - 1]; |
3d6f01e5 EW |
627 | if ((head.h_subject = hfield("subject", mp)) == NOSTR) |
628 | head.h_subject = hfield("subj", mp); | |
629 | head.h_subject = reedit(head.h_subject); | |
630 | head.h_cc = NIL; | |
631 | head.h_bcc = NIL; | |
632 | head.h_smopts = NIL; | |
633 | mail1(&head, 1); | |
634 | return 0; | |
ca6bb034 | 635 | } |
d344b00c KS |
636 | |
637 | /* | |
638 | * Conditional commands. These allow one to parameterize one's | |
639 | * .mailrc and do some things if sending, others if receiving. | |
640 | */ | |
641 | ||
642 | ifcmd(argv) | |
643 | char **argv; | |
644 | { | |
645 | register char *cp; | |
646 | ||
647 | if (cond != CANY) { | |
648 | printf("Illegal nested \"if\"\n"); | |
649 | return(1); | |
650 | } | |
651 | cond = CANY; | |
652 | cp = argv[0]; | |
653 | switch (*cp) { | |
654 | case 'r': case 'R': | |
655 | cond = CRCV; | |
656 | break; | |
657 | ||
658 | case 's': case 'S': | |
659 | cond = CSEND; | |
660 | break; | |
661 | ||
662 | default: | |
663 | printf("Unrecognized if-keyword: \"%s\"\n", cp); | |
664 | return(1); | |
665 | } | |
666 | return(0); | |
667 | } | |
668 | ||
669 | /* | |
670 | * Implement 'else'. This is pretty simple -- we just | |
671 | * flip over the conditional flag. | |
672 | */ | |
673 | ||
674 | elsecmd() | |
675 | { | |
676 | ||
677 | switch (cond) { | |
678 | case CANY: | |
679 | printf("\"Else\" without matching \"if\"\n"); | |
680 | return(1); | |
681 | ||
682 | case CSEND: | |
683 | cond = CRCV; | |
684 | break; | |
685 | ||
686 | case CRCV: | |
687 | cond = CSEND; | |
688 | break; | |
689 | ||
690 | default: | |
691 | printf("Mail's idea of conditions is screwed up\n"); | |
692 | cond = CANY; | |
693 | break; | |
694 | } | |
695 | return(0); | |
696 | } | |
697 | ||
698 | /* | |
699 | * End of if statement. Just set cond back to anything. | |
700 | */ | |
701 | ||
702 | endifcmd() | |
703 | { | |
704 | ||
705 | if (cond == CANY) { | |
706 | printf("\"Endif\" without matching \"if\"\n"); | |
707 | return(1); | |
708 | } | |
709 | cond = CANY; | |
710 | return(0); | |
711 | } | |
1c04ff22 KS |
712 | |
713 | /* | |
714 | * Set the list of alternate names. | |
715 | */ | |
716 | alternates(namelist) | |
717 | char **namelist; | |
718 | { | |
719 | register int c; | |
720 | register char **ap, **ap2, *cp; | |
721 | ||
722 | c = argcount(namelist) + 1; | |
723 | if (c == 1) { | |
724 | if (altnames == 0) | |
725 | return(0); | |
726 | for (ap = altnames; *ap; ap++) | |
727 | printf("%s ", *ap); | |
728 | printf("\n"); | |
729 | return(0); | |
730 | } | |
731 | if (altnames != 0) | |
732 | cfree((char *) altnames); | |
828615a1 | 733 | altnames = (char **) calloc((unsigned) c, sizeof (char *)); |
1c04ff22 | 734 | for (ap = namelist, ap2 = altnames; *ap; ap++, ap2++) { |
828615a1 | 735 | cp = (char *) calloc((unsigned) strlen(*ap) + 1, sizeof (char)); |
1c04ff22 KS |
736 | strcpy(cp, *ap); |
737 | *ap2 = cp; | |
738 | } | |
739 | *ap2 = 0; | |
740 | return(0); | |
741 | } |