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 | * | |
af359dea C |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
d0aeaf5a DF |
32 | */ |
33 | ||
acfc7e9b | 34 | #ifndef lint |
1c15e888 | 35 | static char sccsid[] = "@(#)cmd3.c 5.24 (Berkeley) 6/25/90"; |
acfc7e9b | 36 | #endif /* not lint */ |
ca6bb034 KS |
37 | |
38 | #include "rcv.h" | |
ca6bb034 KS |
39 | |
40 | /* | |
41 | * Mail -- a mail program | |
42 | * | |
43 | * Still more user commands. | |
44 | */ | |
45 | ||
ca6bb034 KS |
46 | /* |
47 | * Process a shell escape by saving signals, ignoring signals, | |
48 | * and forking a sh -c | |
49 | */ | |
ca6bb034 KS |
50 | shell(str) |
51 | char *str; | |
52 | { | |
e62a1467 | 53 | sig_t sigint = signal(SIGINT, SIG_IGN); |
d33aa50d | 54 | char *shell; |
e8adee6e | 55 | char cmd[BUFSIZ]; |
ca6bb034 | 56 | |
d33aa50d | 57 | (void) strcpy(cmd, str); |
e8adee6e | 58 | if (bangexp(cmd) < 0) |
2ee3bce2 | 59 | return 1; |
d33aa50d | 60 | if ((shell = value("SHELL")) == NOSTR) |
435e8dff | 61 | shell = _PATH_CSHELL; |
d33aa50d EW |
62 | (void) run_command(shell, 0, -1, -1, "-c", cmd, NOSTR); |
63 | (void) signal(SIGINT, sigint); | |
ca6bb034 | 64 | printf("!\n"); |
d33aa50d | 65 | return 0; |
ca6bb034 KS |
66 | } |
67 | ||
68 | /* | |
69 | * Fork an interactive shell. | |
70 | */ | |
828615a1 | 71 | /*ARGSUSED*/ |
ca6bb034 KS |
72 | dosh(str) |
73 | char *str; | |
74 | { | |
e62a1467 | 75 | sig_t sigint = signal(SIGINT, SIG_IGN); |
d33aa50d | 76 | char *shell; |
828615a1 | 77 | |
d33aa50d | 78 | if ((shell = value("SHELL")) == NOSTR) |
435e8dff | 79 | shell = _PATH_CSHELL; |
d33aa50d EW |
80 | (void) run_command(shell, 0, -1, -1, NOSTR); |
81 | (void) signal(SIGINT, sigint); | |
ca6bb034 | 82 | putchar('\n'); |
d33aa50d | 83 | return 0; |
ca6bb034 KS |
84 | } |
85 | ||
e8adee6e KS |
86 | /* |
87 | * Expand the shell escape by expanding unescaped !'s into the | |
88 | * last issued command where possible. | |
89 | */ | |
90 | ||
91 | char lastbang[128]; | |
92 | ||
93 | bangexp(str) | |
94 | char *str; | |
95 | { | |
96 | char bangbuf[BUFSIZ]; | |
97 | register char *cp, *cp2; | |
98 | register int n; | |
99 | int changed = 0; | |
100 | ||
101 | cp = str; | |
102 | cp2 = bangbuf; | |
103 | n = BUFSIZ; | |
104 | while (*cp) { | |
105 | if (*cp == '!') { | |
106 | if (n < strlen(lastbang)) { | |
107 | overf: | |
108 | printf("Command buffer overflow\n"); | |
109 | return(-1); | |
110 | } | |
111 | changed++; | |
112 | strcpy(cp2, lastbang); | |
113 | cp2 += strlen(lastbang); | |
114 | n -= strlen(lastbang); | |
115 | cp++; | |
116 | continue; | |
117 | } | |
118 | if (*cp == '\\' && cp[1] == '!') { | |
119 | if (--n <= 1) | |
120 | goto overf; | |
121 | *cp2++ = '!'; | |
122 | cp += 2; | |
123 | changed++; | |
124 | } | |
125 | if (--n <= 1) | |
126 | goto overf; | |
127 | *cp2++ = *cp++; | |
128 | } | |
129 | *cp2 = 0; | |
130 | if (changed) { | |
131 | printf("!%s\n", bangbuf); | |
132 | fflush(stdout); | |
133 | } | |
134 | strcpy(str, bangbuf); | |
135 | strncpy(lastbang, bangbuf, 128); | |
136 | lastbang[127] = 0; | |
137 | return(0); | |
138 | } | |
139 | ||
ca6bb034 KS |
140 | /* |
141 | * Print out a nice help message from some file or another. | |
142 | */ | |
143 | ||
144 | help() | |
145 | { | |
146 | register c; | |
147 | register FILE *f; | |
148 | ||
07b0d286 | 149 | if ((f = Fopen(_PATH_HELP, "r")) == NULL) { |
435e8dff | 150 | perror(_PATH_HELP); |
ca6bb034 KS |
151 | return(1); |
152 | } | |
153 | while ((c = getc(f)) != EOF) | |
154 | putchar(c); | |
07b0d286 | 155 | Fclose(f); |
ca6bb034 KS |
156 | return(0); |
157 | } | |
158 | ||
159 | /* | |
160 | * Change user's working directory. | |
161 | */ | |
23464f86 EW |
162 | schdir(arglist) |
163 | char **arglist; | |
ca6bb034 | 164 | { |
23464f86 | 165 | char *cp; |
ca6bb034 | 166 | |
23464f86 | 167 | if (*arglist == NOSTR) |
ca6bb034 KS |
168 | cp = homedir; |
169 | else | |
23464f86 | 170 | if ((cp = expand(*arglist)) == NOSTR) |
ca6bb034 KS |
171 | return(1); |
172 | if (chdir(cp) < 0) { | |
173 | perror(cp); | |
174 | return(1); | |
175 | } | |
23464f86 | 176 | return 0; |
ca6bb034 KS |
177 | } |
178 | ||
397029be S |
179 | respond(msgvec) |
180 | int *msgvec; | |
181 | { | |
182 | if (value("Replyall") == NOSTR) | |
183 | return (_respond(msgvec)); | |
184 | else | |
185 | return (_Respond(msgvec)); | |
186 | } | |
187 | ||
ca6bb034 KS |
188 | /* |
189 | * Reply to a list of messages. Extract each name from the | |
190 | * message header and send them off to mail1() | |
191 | */ | |
397029be | 192 | _respond(msgvec) |
ca6bb034 KS |
193 | int *msgvec; |
194 | { | |
195 | struct message *mp; | |
828615a1 | 196 | char *cp, *rcv, *replyto; |
3d6f01e5 | 197 | char **ap; |
ca6bb034 KS |
198 | struct name *np; |
199 | struct header head; | |
ca6bb034 KS |
200 | |
201 | if (msgvec[1] != 0) { | |
202 | printf("Sorry, can't reply to multiple messages at once\n"); | |
203 | return(1); | |
204 | } | |
205 | mp = &message[msgvec[0] - 1]; | |
8225e7c3 | 206 | touch(mp); |
ca6bb034 | 207 | dot = mp; |
3d6f01e5 EW |
208 | if ((rcv = skin(hfield("from", mp))) == NOSTR) |
209 | rcv = skin(nameof(mp, 1)); | |
210 | if ((replyto = skin(hfield("reply-to", mp))) != NOSTR) | |
211 | np = extract(replyto, GTO); | |
212 | else if ((cp = skin(hfield("to", mp))) != NOSTR) | |
213 | np = extract(cp, GTO); | |
214 | else | |
215 | np = NIL; | |
216 | np = elide(np); | |
1c04ff22 KS |
217 | /* |
218 | * Delete my name from the reply list, | |
219 | * and with it, all my alternate names. | |
220 | */ | |
470c33f3 | 221 | np = delname(np, myname); |
7949d400 | 222 | if (altnames) |
1c04ff22 | 223 | for (ap = altnames; *ap; ap++) |
470c33f3 | 224 | np = delname(np, *ap); |
3d6f01e5 EW |
225 | if (np != NIL && replyto == NOSTR) |
226 | np = cat(np, extract(rcv, GTO)); | |
227 | else if (np == NIL) { | |
228 | if (replyto != NOSTR) | |
52984be9 | 229 | printf("Empty reply-to field -- replying to author\n"); |
3d6f01e5 | 230 | np = extract(rcv, GTO); |
52984be9 | 231 | } |
3d6f01e5 EW |
232 | head.h_to = np; |
233 | if ((head.h_subject = hfield("subject", mp)) == NOSTR) | |
ca6bb034 | 234 | head.h_subject = hfield("subj", mp); |
fc8872bb | 235 | head.h_subject = reedit(head.h_subject); |
3d6f01e5 EW |
236 | if (replyto == NOSTR && (cp = skin(hfield("cc", mp))) != NOSTR) { |
237 | np = elide(extract(cp, GCC)); | |
470c33f3 | 238 | np = delname(np, myname); |
3d6f01e5 EW |
239 | if (altnames != 0) |
240 | for (ap = altnames; *ap; ap++) | |
470c33f3 | 241 | np = delname(np, *ap); |
3d6f01e5 EW |
242 | head.h_cc = np; |
243 | } else | |
244 | head.h_cc = NIL; | |
245 | head.h_bcc = NIL; | |
246 | head.h_smopts = NIL; | |
247 | mail1(&head, 1); | |
ca6bb034 KS |
248 | return(0); |
249 | } | |
250 | ||
fc8872bb KS |
251 | /* |
252 | * Modify the subject we are replying to to begin with Re: if | |
253 | * it does not already. | |
254 | */ | |
fc8872bb KS |
255 | char * |
256 | reedit(subj) | |
3d6f01e5 | 257 | register char *subj; |
fc8872bb | 258 | { |
3d6f01e5 | 259 | char *newsubj; |
fc8872bb KS |
260 | |
261 | if (subj == NOSTR) | |
3d6f01e5 EW |
262 | return NOSTR; |
263 | if ((subj[0] == 'r' || subj[0] == 'R') && | |
264 | (subj[1] == 'e' || subj[1] == 'E') && | |
265 | subj[2] == ':') | |
266 | return subj; | |
267 | newsubj = salloc(strlen(subj) + 5); | |
268 | strcpy(newsubj, "Re: "); | |
c6bb00f3 | 269 | strcpy(newsubj + 4, subj); |
3d6f01e5 | 270 | return newsubj; |
fc8872bb KS |
271 | } |
272 | ||
ca6bb034 KS |
273 | /* |
274 | * Preserve the named messages, so that they will be sent | |
275 | * back to the system mailbox. | |
276 | */ | |
277 | ||
278 | preserve(msgvec) | |
279 | int *msgvec; | |
280 | { | |
281 | register struct message *mp; | |
282 | register int *ip, mesg; | |
283 | ||
284 | if (edit) { | |
285 | printf("Cannot \"preserve\" in edit mode\n"); | |
286 | return(1); | |
287 | } | |
288 | for (ip = msgvec; *ip != NULL; ip++) { | |
289 | mesg = *ip; | |
290 | mp = &message[mesg-1]; | |
291 | mp->m_flag |= MPRESERVE; | |
8fe58892 | 292 | mp->m_flag &= ~MBOX; |
ca6bb034 KS |
293 | dot = mp; |
294 | } | |
295 | return(0); | |
296 | } | |
297 | ||
397029be S |
298 | /* |
299 | * Mark all given messages as unread. | |
300 | */ | |
301 | unread(msgvec) | |
302 | int msgvec[]; | |
303 | { | |
304 | register int *ip; | |
305 | ||
306 | for (ip = msgvec; *ip != NULL; ip++) { | |
307 | dot = &message[*ip-1]; | |
308 | dot->m_flag &= ~(MREAD|MTOUCH); | |
309 | dot->m_flag |= MSTATUS; | |
310 | } | |
311 | return(0); | |
312 | } | |
313 | ||
ca6bb034 KS |
314 | /* |
315 | * Print the size of each message. | |
316 | */ | |
317 | ||
318 | messize(msgvec) | |
319 | int *msgvec; | |
320 | { | |
321 | register struct message *mp; | |
322 | register int *ip, mesg; | |
323 | ||
324 | for (ip = msgvec; *ip != NULL; ip++) { | |
325 | mesg = *ip; | |
326 | mp = &message[mesg-1]; | |
397029be | 327 | printf("%d: %d/%ld\n", mesg, mp->m_lines, mp->m_size); |
ca6bb034 KS |
328 | } |
329 | return(0); | |
330 | } | |
331 | ||
332 | /* | |
333 | * Quit quickly. If we are sourcing, just pop the input level | |
334 | * by returning an error. | |
335 | */ | |
336 | ||
337 | rexit(e) | |
338 | { | |
339 | if (sourcing) | |
340 | return(1); | |
341 | exit(e); | |
828615a1 | 342 | /*NOTREACHED*/ |
ca6bb034 KS |
343 | } |
344 | ||
345 | /* | |
346 | * Set or display a variable value. Syntax is similar to that | |
347 | * of csh. | |
348 | */ | |
349 | ||
350 | set(arglist) | |
351 | char **arglist; | |
352 | { | |
353 | register struct var *vp; | |
354 | register char *cp, *cp2; | |
355 | char varbuf[BUFSIZ], **ap, **p; | |
356 | int errs, h, s; | |
357 | ||
470c33f3 | 358 | if (*arglist == NOSTR) { |
ca6bb034 KS |
359 | for (h = 0, s = 1; h < HSHSIZE; h++) |
360 | for (vp = variables[h]; vp != NOVAR; vp = vp->v_link) | |
361 | s++; | |
362 | ap = (char **) salloc(s * sizeof *ap); | |
363 | for (h = 0, p = ap; h < HSHSIZE; h++) | |
364 | for (vp = variables[h]; vp != NOVAR; vp = vp->v_link) | |
365 | *p++ = vp->v_name; | |
366 | *p = NOSTR; | |
367 | sort(ap); | |
368 | for (p = ap; *p != NOSTR; p++) | |
369 | printf("%s\t%s\n", *p, value(*p)); | |
370 | return(0); | |
371 | } | |
372 | errs = 0; | |
373 | for (ap = arglist; *ap != NOSTR; ap++) { | |
374 | cp = *ap; | |
375 | cp2 = varbuf; | |
376 | while (*cp != '=' && *cp != '\0') | |
377 | *cp2++ = *cp++; | |
378 | *cp2 = '\0'; | |
379 | if (*cp == '\0') | |
380 | cp = ""; | |
381 | else | |
382 | cp++; | |
383 | if (equal(varbuf, "")) { | |
384 | printf("Non-null variable name required\n"); | |
385 | errs++; | |
386 | continue; | |
387 | } | |
388 | assign(varbuf, cp); | |
389 | } | |
390 | return(errs); | |
391 | } | |
392 | ||
393 | /* | |
394 | * Unset a bunch of variable values. | |
395 | */ | |
396 | ||
397 | unset(arglist) | |
398 | char **arglist; | |
399 | { | |
400 | register struct var *vp, *vp2; | |
ca6bb034 KS |
401 | int errs, h; |
402 | char **ap; | |
403 | ||
404 | errs = 0; | |
405 | for (ap = arglist; *ap != NOSTR; ap++) { | |
406 | if ((vp2 = lookup(*ap)) == NOVAR) { | |
407 | if (!sourcing) { | |
408 | printf("\"%s\": undefined variable\n", *ap); | |
409 | errs++; | |
410 | } | |
411 | continue; | |
412 | } | |
413 | h = hash(*ap); | |
414 | if (vp2 == variables[h]) { | |
415 | variables[h] = variables[h]->v_link; | |
416 | vfree(vp2->v_name); | |
417 | vfree(vp2->v_value); | |
828615a1 | 418 | cfree((char *)vp2); |
ca6bb034 KS |
419 | continue; |
420 | } | |
421 | for (vp = variables[h]; vp->v_link != vp2; vp = vp->v_link) | |
422 | ; | |
423 | vp->v_link = vp2->v_link; | |
424 | vfree(vp2->v_name); | |
425 | vfree(vp2->v_value); | |
828615a1 | 426 | cfree((char *) vp2); |
ca6bb034 KS |
427 | } |
428 | return(errs); | |
429 | } | |
430 | ||
431 | /* | |
432 | * Put add users to a group. | |
433 | */ | |
434 | ||
435 | group(argv) | |
436 | char **argv; | |
437 | { | |
438 | register struct grouphead *gh; | |
439 | register struct group *gp; | |
440 | register int h; | |
441 | int s; | |
442 | char **ap, *gname, **p; | |
443 | ||
470c33f3 | 444 | if (*argv == NOSTR) { |
ca6bb034 KS |
445 | for (h = 0, s = 1; h < HSHSIZE; h++) |
446 | for (gh = groups[h]; gh != NOGRP; gh = gh->g_link) | |
447 | s++; | |
448 | ap = (char **) salloc(s * sizeof *ap); | |
449 | for (h = 0, p = ap; h < HSHSIZE; h++) | |
450 | for (gh = groups[h]; gh != NOGRP; gh = gh->g_link) | |
451 | *p++ = gh->g_name; | |
452 | *p = NOSTR; | |
453 | sort(ap); | |
454 | for (p = ap; *p != NOSTR; p++) | |
455 | printgroup(*p); | |
456 | return(0); | |
457 | } | |
470c33f3 | 458 | if (argv[1] == NOSTR) { |
ca6bb034 KS |
459 | printgroup(*argv); |
460 | return(0); | |
461 | } | |
462 | gname = *argv; | |
463 | h = hash(gname); | |
464 | if ((gh = findgroup(gname)) == NOGRP) { | |
465 | gh = (struct grouphead *) calloc(sizeof *gh, 1); | |
466 | gh->g_name = vcopy(gname); | |
467 | gh->g_list = NOGE; | |
468 | gh->g_link = groups[h]; | |
469 | groups[h] = gh; | |
470 | } | |
471 | ||
472 | /* | |
473 | * Insert names from the command list into the group. | |
474 | * Who cares if there are duplicates? They get tossed | |
475 | * later anyway. | |
476 | */ | |
477 | ||
478 | for (ap = argv+1; *ap != NOSTR; ap++) { | |
479 | gp = (struct group *) calloc(sizeof *gp, 1); | |
480 | gp->ge_name = vcopy(*ap); | |
481 | gp->ge_link = gh->g_list; | |
482 | gh->g_list = gp; | |
483 | } | |
484 | return(0); | |
485 | } | |
486 | ||
487 | /* | |
488 | * Sort the passed string vecotor into ascending dictionary | |
489 | * order. | |
490 | */ | |
491 | ||
492 | sort(list) | |
493 | char **list; | |
494 | { | |
495 | register char **ap; | |
496 | int diction(); | |
497 | ||
498 | for (ap = list; *ap != NOSTR; ap++) | |
499 | ; | |
500 | if (ap-list < 2) | |
501 | return; | |
828615a1 | 502 | qsort((char *)list, ap-list, sizeof *list, diction); |
ca6bb034 KS |
503 | } |
504 | ||
505 | /* | |
506 | * Do a dictionary order comparison of the arguments from | |
507 | * qsort. | |
508 | */ | |
509 | ||
510 | diction(a, b) | |
511 | register char **a, **b; | |
512 | { | |
513 | return(strcmp(*a, *b)); | |
514 | } | |
515 | ||
516 | /* | |
517 | * The do nothing command for comments. | |
518 | */ | |
519 | ||
828615a1 | 520 | /*ARGSUSED*/ |
ca6bb034 KS |
521 | null(e) |
522 | { | |
828615a1 | 523 | return 0; |
ca6bb034 KS |
524 | } |
525 | ||
526 | /* | |
2ee3bce2 EW |
527 | * Change to another file. With no argument, print information about |
528 | * the current file. | |
ca6bb034 | 529 | */ |
1031a04a | 530 | file(argv) |
2a0f6531 | 531 | register char **argv; |
ca6bb034 | 532 | { |
ca6bb034 | 533 | |
1031a04a | 534 | if (argv[0] == NOSTR) { |
890194fb | 535 | newfileinfo(); |
2a0f6531 | 536 | return 0; |
1031a04a | 537 | } |
8421b6a6 | 538 | if (setfile(*argv) < 0) |
2ee3bce2 | 539 | return 1; |
4d20fb09 | 540 | announce(); |
828615a1 | 541 | return 0; |
1031a04a KS |
542 | } |
543 | ||
ca6bb034 KS |
544 | /* |
545 | * Expand file names like echo | |
546 | */ | |
ca6bb034 KS |
547 | echo(argv) |
548 | char **argv; | |
549 | { | |
550 | register char **ap; | |
551 | register char *cp; | |
552 | ||
553 | for (ap = argv; *ap != NOSTR; ap++) { | |
554 | cp = *ap; | |
790344bc EW |
555 | if ((cp = expand(cp)) != NOSTR) { |
556 | if (ap != argv) | |
557 | putchar(' '); | |
558 | printf("%s", cp); | |
559 | } | |
ca6bb034 | 560 | } |
790344bc | 561 | putchar('\n'); |
3d6f01e5 | 562 | return 0; |
ca6bb034 KS |
563 | } |
564 | ||
397029be S |
565 | Respond(msgvec) |
566 | int *msgvec; | |
567 | { | |
568 | if (value("Replyall") == NOSTR) | |
569 | return (_Respond(msgvec)); | |
570 | else | |
571 | return (_respond(msgvec)); | |
572 | } | |
573 | ||
ca6bb034 KS |
574 | /* |
575 | * Reply to a series of messages by simply mailing to the senders | |
576 | * and not messing around with the To: and Cc: lists as in normal | |
577 | * reply. | |
578 | */ | |
397029be | 579 | _Respond(msgvec) |
ca6bb034 KS |
580 | int msgvec[]; |
581 | { | |
582 | struct header head; | |
583 | struct message *mp; | |
3d6f01e5 EW |
584 | register int *ap; |
585 | register char *cp; | |
ca6bb034 | 586 | |
3d6f01e5 | 587 | head.h_to = NIL; |
ca6bb034 KS |
588 | for (ap = msgvec; *ap != 0; ap++) { |
589 | mp = &message[*ap - 1]; | |
8225e7c3 | 590 | touch(mp); |
3d6f01e5 EW |
591 | dot = mp; |
592 | if ((cp = skin(hfield("from", mp))) == NOSTR) | |
593 | cp = skin(nameof(mp, 2)); | |
594 | head.h_to = cat(head.h_to, extract(cp, GTO)); | |
ca6bb034 | 595 | } |
3d6f01e5 EW |
596 | if (head.h_to == NIL) |
597 | return 0; | |
ca6bb034 | 598 | mp = &message[msgvec[0] - 1]; |
3d6f01e5 EW |
599 | if ((head.h_subject = hfield("subject", mp)) == NOSTR) |
600 | head.h_subject = hfield("subj", mp); | |
601 | head.h_subject = reedit(head.h_subject); | |
602 | head.h_cc = NIL; | |
603 | head.h_bcc = NIL; | |
604 | head.h_smopts = NIL; | |
605 | mail1(&head, 1); | |
606 | return 0; | |
ca6bb034 | 607 | } |
d344b00c KS |
608 | |
609 | /* | |
610 | * Conditional commands. These allow one to parameterize one's | |
611 | * .mailrc and do some things if sending, others if receiving. | |
612 | */ | |
613 | ||
614 | ifcmd(argv) | |
615 | char **argv; | |
616 | { | |
617 | register char *cp; | |
618 | ||
619 | if (cond != CANY) { | |
620 | printf("Illegal nested \"if\"\n"); | |
621 | return(1); | |
622 | } | |
623 | cond = CANY; | |
624 | cp = argv[0]; | |
625 | switch (*cp) { | |
626 | case 'r': case 'R': | |
627 | cond = CRCV; | |
628 | break; | |
629 | ||
630 | case 's': case 'S': | |
631 | cond = CSEND; | |
632 | break; | |
633 | ||
634 | default: | |
635 | printf("Unrecognized if-keyword: \"%s\"\n", cp); | |
636 | return(1); | |
637 | } | |
638 | return(0); | |
639 | } | |
640 | ||
641 | /* | |
642 | * Implement 'else'. This is pretty simple -- we just | |
643 | * flip over the conditional flag. | |
644 | */ | |
645 | ||
646 | elsecmd() | |
647 | { | |
648 | ||
649 | switch (cond) { | |
650 | case CANY: | |
651 | printf("\"Else\" without matching \"if\"\n"); | |
652 | return(1); | |
653 | ||
654 | case CSEND: | |
655 | cond = CRCV; | |
656 | break; | |
657 | ||
658 | case CRCV: | |
659 | cond = CSEND; | |
660 | break; | |
661 | ||
662 | default: | |
663 | printf("Mail's idea of conditions is screwed up\n"); | |
664 | cond = CANY; | |
665 | break; | |
666 | } | |
667 | return(0); | |
668 | } | |
669 | ||
670 | /* | |
671 | * End of if statement. Just set cond back to anything. | |
672 | */ | |
673 | ||
674 | endifcmd() | |
675 | { | |
676 | ||
677 | if (cond == CANY) { | |
678 | printf("\"Endif\" without matching \"if\"\n"); | |
679 | return(1); | |
680 | } | |
681 | cond = CANY; | |
682 | return(0); | |
683 | } | |
1c04ff22 KS |
684 | |
685 | /* | |
686 | * Set the list of alternate names. | |
687 | */ | |
688 | alternates(namelist) | |
689 | char **namelist; | |
690 | { | |
691 | register int c; | |
692 | register char **ap, **ap2, *cp; | |
693 | ||
694 | c = argcount(namelist) + 1; | |
695 | if (c == 1) { | |
696 | if (altnames == 0) | |
697 | return(0); | |
698 | for (ap = altnames; *ap; ap++) | |
699 | printf("%s ", *ap); | |
700 | printf("\n"); | |
701 | return(0); | |
702 | } | |
703 | if (altnames != 0) | |
704 | cfree((char *) altnames); | |
828615a1 | 705 | altnames = (char **) calloc((unsigned) c, sizeof (char *)); |
1c04ff22 | 706 | for (ap = namelist, ap2 = altnames; *ap; ap++, ap2++) { |
828615a1 | 707 | cp = (char *) calloc((unsigned) strlen(*ap) + 1, sizeof (char)); |
1c04ff22 KS |
708 | strcpy(cp, *ap); |
709 | *ap2 = cp; | |
710 | } | |
711 | *ap2 = 0; | |
712 | return(0); | |
713 | } |