Commit | Line | Data |
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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 | |
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. | |
d0aeaf5a DF |
16 | */ |
17 | ||
acfc7e9b KB |
18 | #ifndef lint |
19 | static char sccsid[] = "@(#)cmd3.c 5.13 (Berkeley) %G%"; | |
20 | #endif /* not lint */ | |
ca6bb034 KS |
21 | |
22 | #include "rcv.h" | |
23 | #include <sys/stat.h> | |
828615a1 | 24 | #include <sys/wait.h> |
ca6bb034 KS |
25 | |
26 | /* | |
27 | * Mail -- a mail program | |
28 | * | |
29 | * Still more user commands. | |
30 | */ | |
31 | ||
ca6bb034 KS |
32 | /* |
33 | * Process a shell escape by saving signals, ignoring signals, | |
34 | * and forking a sh -c | |
35 | */ | |
36 | ||
37 | shell(str) | |
38 | char *str; | |
39 | { | |
828615a1 EW |
40 | int (*sigint)(), (*sigquit)(); |
41 | union wait stat; | |
ca6bb034 KS |
42 | register int t; |
43 | char *Shell; | |
e8adee6e | 44 | char cmd[BUFSIZ]; |
ca6bb034 | 45 | |
e8adee6e KS |
46 | strcpy(cmd, str); |
47 | if (bangexp(cmd) < 0) | |
48 | return(-1); | |
ca6bb034 KS |
49 | if ((Shell = value("SHELL")) == NOSTR) |
50 | Shell = SHELL; | |
828615a1 EW |
51 | sigint = signal(SIGINT, SIG_IGN); |
52 | sigquit = signal(SIGQUIT, SIG_IGN); | |
ca6bb034 KS |
53 | t = vfork(); |
54 | if (t == 0) { | |
828615a1 EW |
55 | if (sigint != SIG_IGN) |
56 | signal(SIGINT, SIG_DFL); | |
57 | if (sigquit != SIG_IGN) | |
58 | signal(SIGQUIT, SIG_DFL); | |
397029be | 59 | execl(Shell, Shell, "-c", cmd, (char *)0); |
ca6bb034 KS |
60 | perror(Shell); |
61 | _exit(1); | |
62 | } | |
828615a1 | 63 | while (wait(&stat) != t) |
ca6bb034 KS |
64 | ; |
65 | if (t == -1) | |
66 | perror("fork"); | |
828615a1 EW |
67 | signal(SIGINT, sigint); |
68 | signal(SIGQUIT, sigquit); | |
ca6bb034 KS |
69 | printf("!\n"); |
70 | return(0); | |
71 | } | |
72 | ||
73 | /* | |
74 | * Fork an interactive shell. | |
75 | */ | |
76 | ||
828615a1 | 77 | /*ARGSUSED*/ |
ca6bb034 KS |
78 | dosh(str) |
79 | char *str; | |
80 | { | |
828615a1 EW |
81 | int (*sigint)(), (*sigquit)(); |
82 | union wait stat; | |
ca6bb034 KS |
83 | register int t; |
84 | char *Shell; | |
828615a1 | 85 | |
ca6bb034 KS |
86 | if ((Shell = value("SHELL")) == NOSTR) |
87 | Shell = SHELL; | |
828615a1 EW |
88 | sigint = signal(SIGINT, SIG_IGN); |
89 | sigquit = signal(SIGQUIT, SIG_IGN); | |
ca6bb034 KS |
90 | t = vfork(); |
91 | if (t == 0) { | |
828615a1 EW |
92 | if (sigint != SIG_IGN) |
93 | signal(SIGINT, SIG_DFL); | |
94 | if (sigquit != SIG_IGN) | |
95 | signal(SIGQUIT, SIG_DFL); | |
397029be | 96 | execl(Shell, Shell, (char *)0); |
ca6bb034 KS |
97 | perror(Shell); |
98 | _exit(1); | |
99 | } | |
828615a1 | 100 | while (wait(&stat) != t) |
ca6bb034 KS |
101 | ; |
102 | if (t == -1) | |
103 | perror("fork"); | |
828615a1 EW |
104 | signal(SIGINT, sigint); |
105 | signal(SIGQUIT, sigquit); | |
ca6bb034 KS |
106 | putchar('\n'); |
107 | return(0); | |
108 | } | |
109 | ||
e8adee6e KS |
110 | /* |
111 | * Expand the shell escape by expanding unescaped !'s into the | |
112 | * last issued command where possible. | |
113 | */ | |
114 | ||
115 | char lastbang[128]; | |
116 | ||
117 | bangexp(str) | |
118 | char *str; | |
119 | { | |
120 | char bangbuf[BUFSIZ]; | |
121 | register char *cp, *cp2; | |
122 | register int n; | |
123 | int changed = 0; | |
124 | ||
125 | cp = str; | |
126 | cp2 = bangbuf; | |
127 | n = BUFSIZ; | |
128 | while (*cp) { | |
129 | if (*cp == '!') { | |
130 | if (n < strlen(lastbang)) { | |
131 | overf: | |
132 | printf("Command buffer overflow\n"); | |
133 | return(-1); | |
134 | } | |
135 | changed++; | |
136 | strcpy(cp2, lastbang); | |
137 | cp2 += strlen(lastbang); | |
138 | n -= strlen(lastbang); | |
139 | cp++; | |
140 | continue; | |
141 | } | |
142 | if (*cp == '\\' && cp[1] == '!') { | |
143 | if (--n <= 1) | |
144 | goto overf; | |
145 | *cp2++ = '!'; | |
146 | cp += 2; | |
147 | changed++; | |
148 | } | |
149 | if (--n <= 1) | |
150 | goto overf; | |
151 | *cp2++ = *cp++; | |
152 | } | |
153 | *cp2 = 0; | |
154 | if (changed) { | |
155 | printf("!%s\n", bangbuf); | |
156 | fflush(stdout); | |
157 | } | |
158 | strcpy(str, bangbuf); | |
159 | strncpy(lastbang, bangbuf, 128); | |
160 | lastbang[127] = 0; | |
161 | return(0); | |
162 | } | |
163 | ||
ca6bb034 KS |
164 | /* |
165 | * Print out a nice help message from some file or another. | |
166 | */ | |
167 | ||
168 | help() | |
169 | { | |
170 | register c; | |
171 | register FILE *f; | |
172 | ||
173 | if ((f = fopen(HELPFILE, "r")) == NULL) { | |
7949d400 | 174 | perror(HELPFILE); |
ca6bb034 KS |
175 | return(1); |
176 | } | |
177 | while ((c = getc(f)) != EOF) | |
178 | putchar(c); | |
179 | fclose(f); | |
180 | return(0); | |
181 | } | |
182 | ||
183 | /* | |
184 | * Change user's working directory. | |
185 | */ | |
186 | ||
187 | schdir(str) | |
188 | char *str; | |
189 | { | |
190 | register char *cp; | |
191 | ||
192 | for (cp = str; *cp == ' '; cp++) | |
193 | ; | |
194 | if (*cp == '\0') | |
195 | cp = homedir; | |
196 | else | |
197 | if ((cp = expand(cp)) == NOSTR) | |
198 | return(1); | |
199 | if (chdir(cp) < 0) { | |
200 | perror(cp); | |
201 | return(1); | |
202 | } | |
203 | return(0); | |
204 | } | |
205 | ||
397029be S |
206 | respond(msgvec) |
207 | int *msgvec; | |
208 | { | |
209 | if (value("Replyall") == NOSTR) | |
210 | return (_respond(msgvec)); | |
211 | else | |
212 | return (_Respond(msgvec)); | |
213 | } | |
214 | ||
ca6bb034 KS |
215 | /* |
216 | * Reply to a list of messages. Extract each name from the | |
217 | * message header and send them off to mail1() | |
218 | */ | |
397029be | 219 | _respond(msgvec) |
ca6bb034 KS |
220 | int *msgvec; |
221 | { | |
222 | struct message *mp; | |
828615a1 | 223 | char *cp, *rcv, *replyto; |
3d6f01e5 | 224 | char **ap; |
ca6bb034 KS |
225 | struct name *np; |
226 | struct header head; | |
ca6bb034 KS |
227 | |
228 | if (msgvec[1] != 0) { | |
229 | printf("Sorry, can't reply to multiple messages at once\n"); | |
230 | return(1); | |
231 | } | |
232 | mp = &message[msgvec[0] - 1]; | |
233 | dot = mp; | |
3d6f01e5 EW |
234 | if ((rcv = skin(hfield("from", mp))) == NOSTR) |
235 | rcv = skin(nameof(mp, 1)); | |
236 | if ((replyto = skin(hfield("reply-to", mp))) != NOSTR) | |
237 | np = extract(replyto, GTO); | |
238 | else if ((cp = skin(hfield("to", mp))) != NOSTR) | |
239 | np = extract(cp, GTO); | |
240 | else | |
241 | np = NIL; | |
242 | np = elide(np); | |
1c04ff22 KS |
243 | /* |
244 | * Delete my name from the reply list, | |
245 | * and with it, all my alternate names. | |
246 | */ | |
7949d400 CL |
247 | np = delname(np, myname, icequal); |
248 | if (altnames) | |
1c04ff22 | 249 | for (ap = altnames; *ap; ap++) |
7949d400 | 250 | np = delname(np, *ap, icequal); |
3d6f01e5 EW |
251 | if (np != NIL && replyto == NOSTR) |
252 | np = cat(np, extract(rcv, GTO)); | |
253 | else if (np == NIL) { | |
254 | if (replyto != NOSTR) | |
52984be9 | 255 | printf("Empty reply-to field -- replying to author\n"); |
3d6f01e5 | 256 | np = extract(rcv, GTO); |
52984be9 | 257 | } |
3d6f01e5 EW |
258 | head.h_to = np; |
259 | if ((head.h_subject = hfield("subject", mp)) == NOSTR) | |
ca6bb034 | 260 | head.h_subject = hfield("subj", mp); |
fc8872bb | 261 | head.h_subject = reedit(head.h_subject); |
3d6f01e5 EW |
262 | if (replyto == NOSTR && (cp = skin(hfield("cc", mp))) != NOSTR) { |
263 | np = elide(extract(cp, GCC)); | |
264 | np = delname(np, myname, icequal); | |
265 | if (altnames != 0) | |
266 | for (ap = altnames; *ap; ap++) | |
267 | np = delname(np, *ap, icequal); | |
268 | head.h_cc = np; | |
269 | } else | |
270 | head.h_cc = NIL; | |
271 | head.h_bcc = NIL; | |
272 | head.h_smopts = NIL; | |
273 | mail1(&head, 1); | |
ca6bb034 KS |
274 | return(0); |
275 | } | |
276 | ||
fc8872bb KS |
277 | /* |
278 | * Modify the subject we are replying to to begin with Re: if | |
279 | * it does not already. | |
280 | */ | |
fc8872bb KS |
281 | char * |
282 | reedit(subj) | |
3d6f01e5 | 283 | register char *subj; |
fc8872bb | 284 | { |
3d6f01e5 | 285 | char *newsubj; |
fc8872bb KS |
286 | |
287 | if (subj == NOSTR) | |
3d6f01e5 EW |
288 | return NOSTR; |
289 | if ((subj[0] == 'r' || subj[0] == 'R') && | |
290 | (subj[1] == 'e' || subj[1] == 'E') && | |
291 | subj[2] == ':') | |
292 | return subj; | |
293 | newsubj = salloc(strlen(subj) + 5); | |
294 | strcpy(newsubj, "Re: "); | |
c6bb00f3 | 295 | strcpy(newsubj + 4, subj); |
3d6f01e5 | 296 | return newsubj; |
fc8872bb KS |
297 | } |
298 | ||
ca6bb034 KS |
299 | /* |
300 | * Preserve the named messages, so that they will be sent | |
301 | * back to the system mailbox. | |
302 | */ | |
303 | ||
304 | preserve(msgvec) | |
305 | int *msgvec; | |
306 | { | |
307 | register struct message *mp; | |
308 | register int *ip, mesg; | |
309 | ||
310 | if (edit) { | |
311 | printf("Cannot \"preserve\" in edit mode\n"); | |
312 | return(1); | |
313 | } | |
314 | for (ip = msgvec; *ip != NULL; ip++) { | |
315 | mesg = *ip; | |
316 | mp = &message[mesg-1]; | |
317 | mp->m_flag |= MPRESERVE; | |
8fe58892 | 318 | mp->m_flag &= ~MBOX; |
ca6bb034 KS |
319 | dot = mp; |
320 | } | |
321 | return(0); | |
322 | } | |
323 | ||
397029be S |
324 | /* |
325 | * Mark all given messages as unread. | |
326 | */ | |
327 | unread(msgvec) | |
328 | int msgvec[]; | |
329 | { | |
330 | register int *ip; | |
331 | ||
332 | for (ip = msgvec; *ip != NULL; ip++) { | |
333 | dot = &message[*ip-1]; | |
334 | dot->m_flag &= ~(MREAD|MTOUCH); | |
335 | dot->m_flag |= MSTATUS; | |
336 | } | |
337 | return(0); | |
338 | } | |
339 | ||
ca6bb034 KS |
340 | /* |
341 | * Print the size of each message. | |
342 | */ | |
343 | ||
344 | messize(msgvec) | |
345 | int *msgvec; | |
346 | { | |
347 | register struct message *mp; | |
348 | register int *ip, mesg; | |
349 | ||
350 | for (ip = msgvec; *ip != NULL; ip++) { | |
351 | mesg = *ip; | |
352 | mp = &message[mesg-1]; | |
397029be | 353 | printf("%d: %d/%ld\n", mesg, mp->m_lines, mp->m_size); |
ca6bb034 KS |
354 | } |
355 | return(0); | |
356 | } | |
357 | ||
358 | /* | |
359 | * Quit quickly. If we are sourcing, just pop the input level | |
360 | * by returning an error. | |
361 | */ | |
362 | ||
363 | rexit(e) | |
364 | { | |
365 | if (sourcing) | |
366 | return(1); | |
367 | exit(e); | |
828615a1 | 368 | /*NOTREACHED*/ |
ca6bb034 KS |
369 | } |
370 | ||
371 | /* | |
372 | * Set or display a variable value. Syntax is similar to that | |
373 | * of csh. | |
374 | */ | |
375 | ||
376 | set(arglist) | |
377 | char **arglist; | |
378 | { | |
379 | register struct var *vp; | |
380 | register char *cp, *cp2; | |
381 | char varbuf[BUFSIZ], **ap, **p; | |
382 | int errs, h, s; | |
383 | ||
384 | if (argcount(arglist) == 0) { | |
385 | for (h = 0, s = 1; h < HSHSIZE; h++) | |
386 | for (vp = variables[h]; vp != NOVAR; vp = vp->v_link) | |
387 | s++; | |
388 | ap = (char **) salloc(s * sizeof *ap); | |
389 | for (h = 0, p = ap; h < HSHSIZE; h++) | |
390 | for (vp = variables[h]; vp != NOVAR; vp = vp->v_link) | |
391 | *p++ = vp->v_name; | |
392 | *p = NOSTR; | |
393 | sort(ap); | |
394 | for (p = ap; *p != NOSTR; p++) | |
395 | printf("%s\t%s\n", *p, value(*p)); | |
396 | return(0); | |
397 | } | |
398 | errs = 0; | |
399 | for (ap = arglist; *ap != NOSTR; ap++) { | |
400 | cp = *ap; | |
401 | cp2 = varbuf; | |
402 | while (*cp != '=' && *cp != '\0') | |
403 | *cp2++ = *cp++; | |
404 | *cp2 = '\0'; | |
405 | if (*cp == '\0') | |
406 | cp = ""; | |
407 | else | |
408 | cp++; | |
409 | if (equal(varbuf, "")) { | |
410 | printf("Non-null variable name required\n"); | |
411 | errs++; | |
412 | continue; | |
413 | } | |
414 | assign(varbuf, cp); | |
415 | } | |
416 | return(errs); | |
417 | } | |
418 | ||
419 | /* | |
420 | * Unset a bunch of variable values. | |
421 | */ | |
422 | ||
423 | unset(arglist) | |
424 | char **arglist; | |
425 | { | |
426 | register struct var *vp, *vp2; | |
ca6bb034 KS |
427 | int errs, h; |
428 | char **ap; | |
429 | ||
430 | errs = 0; | |
431 | for (ap = arglist; *ap != NOSTR; ap++) { | |
432 | if ((vp2 = lookup(*ap)) == NOVAR) { | |
433 | if (!sourcing) { | |
434 | printf("\"%s\": undefined variable\n", *ap); | |
435 | errs++; | |
436 | } | |
437 | continue; | |
438 | } | |
439 | h = hash(*ap); | |
440 | if (vp2 == variables[h]) { | |
441 | variables[h] = variables[h]->v_link; | |
442 | vfree(vp2->v_name); | |
443 | vfree(vp2->v_value); | |
828615a1 | 444 | cfree((char *)vp2); |
ca6bb034 KS |
445 | continue; |
446 | } | |
447 | for (vp = variables[h]; vp->v_link != vp2; vp = vp->v_link) | |
448 | ; | |
449 | vp->v_link = vp2->v_link; | |
450 | vfree(vp2->v_name); | |
451 | vfree(vp2->v_value); | |
828615a1 | 452 | cfree((char *) vp2); |
ca6bb034 KS |
453 | } |
454 | return(errs); | |
455 | } | |
456 | ||
457 | /* | |
458 | * Put add users to a group. | |
459 | */ | |
460 | ||
461 | group(argv) | |
462 | char **argv; | |
463 | { | |
464 | register struct grouphead *gh; | |
465 | register struct group *gp; | |
466 | register int h; | |
467 | int s; | |
468 | char **ap, *gname, **p; | |
469 | ||
470 | if (argcount(argv) == 0) { | |
471 | for (h = 0, s = 1; h < HSHSIZE; h++) | |
472 | for (gh = groups[h]; gh != NOGRP; gh = gh->g_link) | |
473 | s++; | |
474 | ap = (char **) salloc(s * sizeof *ap); | |
475 | for (h = 0, p = ap; h < HSHSIZE; h++) | |
476 | for (gh = groups[h]; gh != NOGRP; gh = gh->g_link) | |
477 | *p++ = gh->g_name; | |
478 | *p = NOSTR; | |
479 | sort(ap); | |
480 | for (p = ap; *p != NOSTR; p++) | |
481 | printgroup(*p); | |
482 | return(0); | |
483 | } | |
484 | if (argcount(argv) == 1) { | |
485 | printgroup(*argv); | |
486 | return(0); | |
487 | } | |
488 | gname = *argv; | |
489 | h = hash(gname); | |
490 | if ((gh = findgroup(gname)) == NOGRP) { | |
491 | gh = (struct grouphead *) calloc(sizeof *gh, 1); | |
492 | gh->g_name = vcopy(gname); | |
493 | gh->g_list = NOGE; | |
494 | gh->g_link = groups[h]; | |
495 | groups[h] = gh; | |
496 | } | |
497 | ||
498 | /* | |
499 | * Insert names from the command list into the group. | |
500 | * Who cares if there are duplicates? They get tossed | |
501 | * later anyway. | |
502 | */ | |
503 | ||
504 | for (ap = argv+1; *ap != NOSTR; ap++) { | |
505 | gp = (struct group *) calloc(sizeof *gp, 1); | |
506 | gp->ge_name = vcopy(*ap); | |
507 | gp->ge_link = gh->g_list; | |
508 | gh->g_list = gp; | |
509 | } | |
510 | return(0); | |
511 | } | |
512 | ||
513 | /* | |
514 | * Sort the passed string vecotor into ascending dictionary | |
515 | * order. | |
516 | */ | |
517 | ||
518 | sort(list) | |
519 | char **list; | |
520 | { | |
521 | register char **ap; | |
522 | int diction(); | |
523 | ||
524 | for (ap = list; *ap != NOSTR; ap++) | |
525 | ; | |
526 | if (ap-list < 2) | |
527 | return; | |
828615a1 | 528 | qsort((char *)list, ap-list, sizeof *list, diction); |
ca6bb034 KS |
529 | } |
530 | ||
531 | /* | |
532 | * Do a dictionary order comparison of the arguments from | |
533 | * qsort. | |
534 | */ | |
535 | ||
536 | diction(a, b) | |
537 | register char **a, **b; | |
538 | { | |
539 | return(strcmp(*a, *b)); | |
540 | } | |
541 | ||
542 | /* | |
543 | * The do nothing command for comments. | |
544 | */ | |
545 | ||
828615a1 | 546 | /*ARGSUSED*/ |
ca6bb034 KS |
547 | null(e) |
548 | { | |
828615a1 | 549 | return 0; |
ca6bb034 KS |
550 | } |
551 | ||
552 | /* | |
1031a04a | 553 | * Print out the current edit file, if we are editing. |
ca6bb034 KS |
554 | * Otherwise, print the name of the person who's mail |
555 | * we are reading. | |
556 | */ | |
557 | ||
1031a04a | 558 | file(argv) |
2a0f6531 | 559 | register char **argv; |
ca6bb034 KS |
560 | { |
561 | register char *cp; | |
562 | ||
1031a04a | 563 | if (argv[0] == NOSTR) { |
890194fb | 564 | newfileinfo(); |
2a0f6531 | 565 | return 0; |
1031a04a | 566 | } |
2a0f6531 EW |
567 | if ((cp = expand(*argv)) == NOSTR) |
568 | return -1; | |
569 | strcpy(prevfile, mailname); | |
570 | if (setfile(cp, **argv != '%')) { | |
f3b6f2ce | 571 | perror(cp); |
2a0f6531 | 572 | return -1; |
f3b6f2ce | 573 | } |
4d20fb09 | 574 | announce(); |
828615a1 | 575 | return 0; |
1031a04a KS |
576 | } |
577 | ||
ca6bb034 KS |
578 | /* |
579 | * Expand file names like echo | |
580 | */ | |
ca6bb034 KS |
581 | echo(argv) |
582 | char **argv; | |
583 | { | |
584 | register char **ap; | |
585 | register char *cp; | |
586 | ||
587 | for (ap = argv; *ap != NOSTR; ap++) { | |
588 | cp = *ap; | |
790344bc EW |
589 | if ((cp = expand(cp)) != NOSTR) { |
590 | if (ap != argv) | |
591 | putchar(' '); | |
592 | printf("%s", cp); | |
593 | } | |
ca6bb034 | 594 | } |
790344bc | 595 | putchar('\n'); |
3d6f01e5 | 596 | return 0; |
ca6bb034 KS |
597 | } |
598 | ||
397029be S |
599 | Respond(msgvec) |
600 | int *msgvec; | |
601 | { | |
602 | if (value("Replyall") == NOSTR) | |
603 | return (_Respond(msgvec)); | |
604 | else | |
605 | return (_respond(msgvec)); | |
606 | } | |
607 | ||
ca6bb034 KS |
608 | /* |
609 | * Reply to a series of messages by simply mailing to the senders | |
610 | * and not messing around with the To: and Cc: lists as in normal | |
611 | * reply. | |
612 | */ | |
397029be | 613 | _Respond(msgvec) |
ca6bb034 KS |
614 | int msgvec[]; |
615 | { | |
616 | struct header head; | |
617 | struct message *mp; | |
3d6f01e5 EW |
618 | register int *ap; |
619 | register char *cp; | |
ca6bb034 | 620 | |
3d6f01e5 | 621 | head.h_to = NIL; |
ca6bb034 KS |
622 | for (ap = msgvec; *ap != 0; ap++) { |
623 | mp = &message[*ap - 1]; | |
3d6f01e5 EW |
624 | dot = mp; |
625 | if ((cp = skin(hfield("from", mp))) == NOSTR) | |
626 | cp = skin(nameof(mp, 2)); | |
627 | head.h_to = cat(head.h_to, extract(cp, GTO)); | |
ca6bb034 | 628 | } |
3d6f01e5 EW |
629 | if (head.h_to == NIL) |
630 | return 0; | |
ca6bb034 | 631 | mp = &message[msgvec[0] - 1]; |
3d6f01e5 EW |
632 | if ((head.h_subject = hfield("subject", mp)) == NOSTR) |
633 | head.h_subject = hfield("subj", mp); | |
634 | head.h_subject = reedit(head.h_subject); | |
635 | head.h_cc = NIL; | |
636 | head.h_bcc = NIL; | |
637 | head.h_smopts = NIL; | |
638 | mail1(&head, 1); | |
639 | return 0; | |
ca6bb034 | 640 | } |
d344b00c KS |
641 | |
642 | /* | |
643 | * Conditional commands. These allow one to parameterize one's | |
644 | * .mailrc and do some things if sending, others if receiving. | |
645 | */ | |
646 | ||
647 | ifcmd(argv) | |
648 | char **argv; | |
649 | { | |
650 | register char *cp; | |
651 | ||
652 | if (cond != CANY) { | |
653 | printf("Illegal nested \"if\"\n"); | |
654 | return(1); | |
655 | } | |
656 | cond = CANY; | |
657 | cp = argv[0]; | |
658 | switch (*cp) { | |
659 | case 'r': case 'R': | |
660 | cond = CRCV; | |
661 | break; | |
662 | ||
663 | case 's': case 'S': | |
664 | cond = CSEND; | |
665 | break; | |
666 | ||
667 | default: | |
668 | printf("Unrecognized if-keyword: \"%s\"\n", cp); | |
669 | return(1); | |
670 | } | |
671 | return(0); | |
672 | } | |
673 | ||
674 | /* | |
675 | * Implement 'else'. This is pretty simple -- we just | |
676 | * flip over the conditional flag. | |
677 | */ | |
678 | ||
679 | elsecmd() | |
680 | { | |
681 | ||
682 | switch (cond) { | |
683 | case CANY: | |
684 | printf("\"Else\" without matching \"if\"\n"); | |
685 | return(1); | |
686 | ||
687 | case CSEND: | |
688 | cond = CRCV; | |
689 | break; | |
690 | ||
691 | case CRCV: | |
692 | cond = CSEND; | |
693 | break; | |
694 | ||
695 | default: | |
696 | printf("Mail's idea of conditions is screwed up\n"); | |
697 | cond = CANY; | |
698 | break; | |
699 | } | |
700 | return(0); | |
701 | } | |
702 | ||
703 | /* | |
704 | * End of if statement. Just set cond back to anything. | |
705 | */ | |
706 | ||
707 | endifcmd() | |
708 | { | |
709 | ||
710 | if (cond == CANY) { | |
711 | printf("\"Endif\" without matching \"if\"\n"); | |
712 | return(1); | |
713 | } | |
714 | cond = CANY; | |
715 | return(0); | |
716 | } | |
1c04ff22 KS |
717 | |
718 | /* | |
719 | * Set the list of alternate names. | |
720 | */ | |
721 | alternates(namelist) | |
722 | char **namelist; | |
723 | { | |
724 | register int c; | |
725 | register char **ap, **ap2, *cp; | |
726 | ||
727 | c = argcount(namelist) + 1; | |
728 | if (c == 1) { | |
729 | if (altnames == 0) | |
730 | return(0); | |
731 | for (ap = altnames; *ap; ap++) | |
732 | printf("%s ", *ap); | |
733 | printf("\n"); | |
734 | return(0); | |
735 | } | |
736 | if (altnames != 0) | |
737 | cfree((char *) altnames); | |
828615a1 | 738 | altnames = (char **) calloc((unsigned) c, sizeof (char *)); |
1c04ff22 | 739 | for (ap = namelist, ap2 = altnames; *ap; ap++, ap2++) { |
828615a1 | 740 | cp = (char *) calloc((unsigned) strlen(*ap) + 1, sizeof (char)); |
1c04ff22 KS |
741 | strcpy(cp, *ap); |
742 | *ap2 = cp; | |
743 | } | |
744 | *ap2 = 0; | |
745 | return(0); | |
746 | } |