Commit | Line | Data |
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d702437a KS |
1 | # |
2 | #include "rcv.h" | |
3 | #include <sys/stat.h> | |
4 | ||
5 | /* | |
6 | * Mail -- a mail program | |
7 | * | |
8 | * User commands. | |
9 | */ | |
10 | ||
0154300b | 11 | static char *SccsId = "@(#)cmd1.c 2.9 %G%"; |
d702437a KS |
12 | |
13 | /* | |
14 | * Print the current active headings. | |
f75dd1e5 | 15 | * Don't change dot if invoker didn't give an argument. |
d702437a KS |
16 | */ |
17 | ||
18 | static int screen; | |
19 | ||
20 | headers(msgvec) | |
21 | int *msgvec; | |
22 | { | |
23 | register int n, mesg, flag; | |
24 | register struct message *mp; | |
1491ef97 | 25 | int size; |
d702437a | 26 | |
1491ef97 | 27 | size = screensize(); |
d702437a KS |
28 | n = msgvec[0]; |
29 | if (n != 0) | |
1491ef97 | 30 | screen = (n-1)/size; |
d702437a KS |
31 | if (screen < 0) |
32 | screen = 0; | |
1491ef97 | 33 | mp = &message[screen * size]; |
d702437a | 34 | if (mp >= &message[msgCount]) |
1491ef97 | 35 | mp = &message[msgCount - size]; |
d702437a KS |
36 | if (mp < &message[0]) |
37 | mp = &message[0]; | |
38 | flag = 0; | |
39 | mesg = mp - &message[0]; | |
f75dd1e5 KS |
40 | if (dot != &message[n-1]) |
41 | dot = mp; | |
d702437a KS |
42 | for (; mp < &message[msgCount]; mp++) { |
43 | mesg++; | |
44 | if (mp->m_flag & MDELETED) | |
45 | continue; | |
1491ef97 | 46 | if (flag++ >= size) |
d702437a KS |
47 | break; |
48 | printhead(mesg); | |
49 | sreset(); | |
50 | } | |
51 | if (flag == 0) { | |
52 | printf("No more mail.\n"); | |
53 | return(1); | |
54 | } | |
55 | return(0); | |
56 | } | |
57 | ||
58 | /* | |
59 | * Scroll to the next/previous screen | |
60 | */ | |
61 | ||
62 | scroll(arg) | |
63 | char arg[]; | |
64 | { | |
1491ef97 | 65 | register int s, size; |
d702437a KS |
66 | int cur[1]; |
67 | ||
68 | cur[0] = 0; | |
1491ef97 | 69 | size = screensize(); |
d702437a KS |
70 | s = screen; |
71 | switch (*arg) { | |
72 | case 0: | |
73 | case '+': | |
74 | s++; | |
1491ef97 | 75 | if (s * size > msgCount) { |
d702437a KS |
76 | printf("On last screenful of messages\n"); |
77 | return(0); | |
78 | } | |
79 | screen = s; | |
80 | break; | |
81 | ||
82 | case '-': | |
83 | if (--s < 0) { | |
84 | printf("On first screenful of messages\n"); | |
85 | return(0); | |
86 | } | |
87 | screen = s; | |
88 | break; | |
89 | ||
90 | default: | |
91 | printf("Unrecognized scrolling command \"%s\"\n", arg); | |
92 | return(1); | |
93 | } | |
94 | return(headers(cur)); | |
95 | } | |
96 | ||
1491ef97 KS |
97 | /* |
98 | * Compute what the screen size should be. | |
99 | * We use the following algorithm: | |
100 | * If user specifies with screen option, use that. | |
101 | * If baud rate < 1200, use 5 | |
102 | * If baud rate = 1200, use 10 | |
103 | * If baud rate > 1200, use 20 | |
104 | */ | |
105 | screensize() | |
106 | { | |
107 | register char *cp; | |
108 | register int s; | |
109 | ||
110 | if ((cp = value("screen")) != NOSTR) { | |
111 | s = atoi(cp); | |
112 | if (s > 0) | |
113 | return(s); | |
114 | } | |
115 | if (baud < B1200) | |
116 | s = 5; | |
117 | else if (baud == B1200) | |
118 | s = 10; | |
119 | else | |
120 | s = 20; | |
121 | return(s); | |
122 | } | |
d702437a KS |
123 | |
124 | /* | |
125 | * Print out the headlines for each message | |
126 | * in the passed message list. | |
127 | */ | |
128 | ||
129 | from(msgvec) | |
130 | int *msgvec; | |
131 | { | |
132 | register int *ip; | |
133 | ||
134 | for (ip = msgvec; *ip != NULL; ip++) { | |
135 | printhead(*ip); | |
136 | sreset(); | |
137 | } | |
138 | if (--ip >= msgvec) | |
139 | dot = &message[*ip - 1]; | |
140 | return(0); | |
141 | } | |
142 | ||
143 | /* | |
144 | * Print out the header of a specific message. | |
145 | * This is a slight improvement to the standard one. | |
146 | */ | |
147 | ||
148 | printhead(mesg) | |
149 | { | |
150 | struct message *mp; | |
151 | FILE *ibuf; | |
f75dd1e5 | 152 | char headline[LINESIZE], wcount[10], *subjline, dispc, curind; |
d702437a KS |
153 | char pbuf[BUFSIZ]; |
154 | int s; | |
155 | struct headline hl; | |
156 | register char *cp; | |
157 | ||
158 | mp = &message[mesg-1]; | |
159 | ibuf = setinput(mp); | |
160 | readline(ibuf, headline); | |
161 | subjline = hfield("subject", mp); | |
162 | if (subjline == NOSTR) | |
163 | subjline = hfield("subj", mp); | |
164 | ||
165 | /* | |
166 | * Bletch! | |
167 | */ | |
168 | ||
169 | if (subjline != NOSTR && strlen(subjline) > 28) | |
170 | subjline[29] = '\0'; | |
f75dd1e5 | 171 | curind = dot == mp ? '>' : ' '; |
d702437a KS |
172 | dispc = ' '; |
173 | if (mp->m_flag & MSAVED) | |
174 | dispc = '*'; | |
175 | if (mp->m_flag & MPRESERVE) | |
176 | dispc = 'P'; | |
5bfbbe88 | 177 | if ((mp->m_flag & (MREAD|MNEW)) == MNEW) |
f4d36a07 | 178 | dispc = 'N'; |
5bfbbe88 KS |
179 | if ((mp->m_flag & (MREAD|MNEW)) == 0) |
180 | dispc = 'U'; | |
f2230dfd KS |
181 | if (mp->m_flag & MBOX) |
182 | dispc = 'M'; | |
d702437a | 183 | parse(headline, &hl, pbuf); |
0154300b | 184 | sprintf(wcount, " %d/%ld", mp->m_lines, mp->m_size); |
d702437a KS |
185 | s = strlen(wcount); |
186 | cp = wcount + s; | |
187 | while (s < 7) | |
188 | s++, *cp++ = ' '; | |
189 | *cp = '\0'; | |
190 | if (subjline != NOSTR) | |
f75dd1e5 | 191 | printf("%c%c%3d %-8s %16.16s %s \"%s\"\n", curind, dispc, mesg, |
186f16d8 | 192 | nameof(mp, 0), hl.l_date, wcount, subjline); |
d702437a | 193 | else |
f75dd1e5 | 194 | printf("%c%c%3d %-8s %16.16s %s\n", curind, dispc, mesg, |
186f16d8 | 195 | nameof(mp, 0), hl.l_date, wcount); |
d702437a KS |
196 | } |
197 | ||
198 | /* | |
199 | * Print out the value of dot. | |
200 | */ | |
201 | ||
202 | pdot() | |
203 | { | |
204 | printf("%d\n", dot - &message[0] + 1); | |
205 | return(0); | |
206 | } | |
207 | ||
208 | /* | |
209 | * Print out all the possible commands. | |
210 | */ | |
211 | ||
212 | pcmdlist() | |
213 | { | |
214 | register struct cmd *cp; | |
215 | register int cc; | |
216 | extern struct cmd cmdtab[]; | |
217 | ||
218 | printf("Commands are:\n"); | |
219 | for (cc = 0, cp = cmdtab; cp->c_name != NULL; cp++) { | |
220 | cc += strlen(cp->c_name) + 2; | |
221 | if (cc > 72) { | |
222 | printf("\n"); | |
223 | cc = strlen(cp->c_name) + 2; | |
224 | } | |
225 | if ((cp+1)->c_name != NOSTR) | |
226 | printf("%s, ", cp->c_name); | |
227 | else | |
228 | printf("%s\n", cp->c_name); | |
229 | } | |
230 | return(0); | |
231 | } | |
232 | ||
233 | /* | |
15bff4bb | 234 | * Type out messages, honor ignored fields. |
d702437a | 235 | */ |
15bff4bb KS |
236 | type(msgvec) |
237 | int *msgvec; | |
238 | { | |
d702437a | 239 | |
15bff4bb KS |
240 | return(type1(msgvec, 1)); |
241 | } | |
242 | ||
243 | /* | |
244 | * Type out messages, even printing ignored fields. | |
245 | */ | |
246 | Type(msgvec) | |
247 | int *msgvec; | |
248 | { | |
249 | ||
250 | return(type1(msgvec, 0)); | |
251 | } | |
252 | ||
253 | /* | |
254 | * Type out the messages requested. | |
255 | */ | |
740867ff KS |
256 | jmp_buf pipestop; |
257 | ||
15bff4bb | 258 | type1(msgvec, doign) |
d702437a KS |
259 | int *msgvec; |
260 | { | |
261 | register *ip; | |
262 | register struct message *mp; | |
263 | register int mesg; | |
740867ff KS |
264 | register char *cp; |
265 | int c, nlines; | |
266 | int brokpipe(); | |
267 | FILE *ibuf, *obuf; | |
268 | ||
269 | obuf = stdout; | |
270 | if (setjmp(pipestop)) { | |
271 | if (obuf != stdout) { | |
740867ff | 272 | pipef = NULL; |
fc3f7633 | 273 | pclose(obuf); |
740867ff | 274 | } |
fd0ddf32 | 275 | sigset(SIGPIPE, SIG_DFL); |
740867ff KS |
276 | return(0); |
277 | } | |
278 | if (intty && outtty && (cp = value("crt")) != NOSTR) { | |
279 | for (ip = msgvec, nlines = 0; *ip && ip-msgvec < msgCount; ip++) | |
280 | nlines += message[*ip - 1].m_lines; | |
281 | if (nlines > atoi(cp)) { | |
282 | obuf = popen(MORE, "w"); | |
283 | if (obuf == NULL) { | |
284 | perror(MORE); | |
285 | obuf = stdout; | |
286 | } | |
287 | else { | |
288 | pipef = obuf; | |
fd0ddf32 | 289 | sigset(SIGPIPE, brokpipe); |
740867ff KS |
290 | } |
291 | } | |
292 | } | |
d702437a KS |
293 | for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) { |
294 | mesg = *ip; | |
295 | touch(mesg); | |
296 | mp = &message[mesg-1]; | |
297 | dot = mp; | |
15bff4bb | 298 | print(mp, obuf, doign); |
740867ff | 299 | } |
740867ff | 300 | if (obuf != stdout) { |
740867ff | 301 | pipef = NULL; |
fc3f7633 | 302 | pclose(obuf); |
d702437a | 303 | } |
fd0ddf32 | 304 | sigset(SIGPIPE, SIG_DFL); |
d702437a KS |
305 | return(0); |
306 | } | |
307 | ||
740867ff KS |
308 | /* |
309 | * Respond to a broken pipe signal -- | |
310 | * probably caused by using quitting more. | |
311 | */ | |
312 | ||
313 | brokpipe() | |
314 | { | |
ea394d88 | 315 | # ifdef VMUNIX |
fd0ddf32 | 316 | sigrelse(SIGPIPE); |
ea394d88 KS |
317 | # else |
318 | signal(SIGPIPE, brokpipe); | |
319 | # endif | |
fc3f7633 | 320 | longjmp(pipestop, 1); |
740867ff KS |
321 | } |
322 | ||
d702437a KS |
323 | /* |
324 | * Print the indicated message on standard output. | |
325 | */ | |
326 | ||
15bff4bb | 327 | print(mp, obuf, doign) |
d702437a | 328 | register struct message *mp; |
740867ff | 329 | FILE *obuf; |
d702437a KS |
330 | { |
331 | ||
332 | if (value("quiet") == NOSTR) | |
740867ff | 333 | fprintf(obuf, "Message %2d:\n", mp - &message[0] + 1); |
d702437a | 334 | touch(mp - &message[0] + 1); |
15bff4bb | 335 | send(mp, obuf, doign); |
d702437a KS |
336 | } |
337 | ||
338 | /* | |
339 | * Print the top so many lines of each desired message. | |
340 | * The number of lines is taken from the variable "toplines" | |
341 | * and defaults to 5. | |
342 | */ | |
343 | ||
344 | top(msgvec) | |
345 | int *msgvec; | |
346 | { | |
347 | register int *ip; | |
348 | register struct message *mp; | |
349 | register int mesg; | |
350 | int c, topl, lines, lineb; | |
351 | char *valtop, linebuf[LINESIZE]; | |
352 | FILE *ibuf; | |
353 | ||
354 | topl = 5; | |
355 | valtop = value("toplines"); | |
356 | if (valtop != NOSTR) { | |
357 | topl = atoi(valtop); | |
358 | if (topl < 0 || topl > 10000) | |
359 | topl = 5; | |
360 | } | |
361 | lineb = 1; | |
362 | for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) { | |
363 | mesg = *ip; | |
364 | touch(mesg); | |
365 | mp = &message[mesg-1]; | |
366 | dot = mp; | |
367 | if (value("quiet") == NOSTR) | |
368 | printf("Message %2d:\n", mesg); | |
369 | ibuf = setinput(mp); | |
370 | c = mp->m_lines; | |
371 | if (!lineb) | |
372 | printf("\n"); | |
373 | for (lines = 0; lines < c && lines <= topl; lines++) { | |
374 | if (readline(ibuf, linebuf) <= 0) | |
375 | break; | |
376 | puts(linebuf); | |
377 | lineb = blankline(linebuf); | |
378 | } | |
379 | } | |
380 | return(0); | |
381 | } | |
382 | ||
383 | /* | |
384 | * Touch all the given messages so that they will | |
385 | * get mboxed. | |
386 | */ | |
387 | ||
388 | stouch(msgvec) | |
389 | int msgvec[]; | |
390 | { | |
391 | register int *ip; | |
392 | ||
393 | for (ip = msgvec; *ip != 0; ip++) { | |
d702437a | 394 | dot = &message[*ip-1]; |
5bfbbe88 | 395 | dot->m_flag |= MTOUCH; |
d702437a KS |
396 | dot->m_flag &= ~MPRESERVE; |
397 | } | |
398 | return(0); | |
399 | } | |
f2230dfd KS |
400 | |
401 | /* | |
402 | * Make sure all passed messages get mboxed. | |
403 | */ | |
404 | ||
405 | mboxit(msgvec) | |
406 | int msgvec[]; | |
407 | { | |
408 | register int *ip; | |
409 | ||
410 | for (ip = msgvec; *ip != 0; ip++) { | |
411 | dot = &message[*ip-1]; | |
412 | dot->m_flag |= MTOUCH|MBOX; | |
413 | dot->m_flag &= ~MPRESERVE; | |
414 | } | |
415 | return(0); | |
416 | } | |
2470b1d8 KS |
417 | |
418 | /* | |
419 | * List the folders the user currently has. | |
420 | */ | |
421 | folders() | |
422 | { | |
2470b1d8 KS |
423 | char dirname[BUFSIZ], cmd[BUFSIZ]; |
424 | int pid, s, e; | |
425 | ||
a5bfa0a3 KS |
426 | if (getfold(dirname) < 0) { |
427 | printf("No value set for \"folder\"\n"); | |
2470b1d8 KS |
428 | return(-1); |
429 | } | |
2470b1d8 KS |
430 | switch ((pid = fork())) { |
431 | case 0: | |
64df7743 | 432 | sigchild(); |
a5bfa0a3 | 433 | execlp("ls", "ls", dirname, 0); |
2470b1d8 | 434 | clrbuf(stdout); |
2470b1d8 KS |
435 | exit(1); |
436 | ||
437 | case -1: | |
438 | perror("fork"); | |
439 | return(-1); | |
440 | ||
441 | default: | |
442 | while ((e = wait(&s)) != -1 && e != pid) | |
443 | ; | |
444 | } | |
445 | return(0); | |
446 | } |