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 | ||
5bfbbe88 | 11 | static char *SccsId = "@(#)cmd1.c 1.4 %G%"; |
d702437a KS |
12 | |
13 | /* | |
14 | * Print the current active headings. | |
15 | */ | |
16 | ||
17 | static int screen; | |
18 | ||
19 | headers(msgvec) | |
20 | int *msgvec; | |
21 | { | |
22 | register int n, mesg, flag; | |
23 | register struct message *mp; | |
24 | ||
25 | n = msgvec[0]; | |
26 | if (n != 0) | |
27 | screen = (n-1)/SCREEN; | |
28 | if (screen < 0) | |
29 | screen = 0; | |
30 | mp = &message[screen * SCREEN]; | |
31 | if (mp >= &message[msgCount]) | |
32 | mp = &message[msgCount - SCREEN]; | |
33 | if (mp < &message[0]) | |
34 | mp = &message[0]; | |
35 | flag = 0; | |
36 | mesg = mp - &message[0]; | |
37 | dot = mp; | |
38 | for (; mp < &message[msgCount]; mp++) { | |
39 | mesg++; | |
40 | if (mp->m_flag & MDELETED) | |
41 | continue; | |
42 | if (flag++ >= SCREEN) | |
43 | break; | |
44 | printhead(mesg); | |
45 | sreset(); | |
46 | } | |
47 | if (flag == 0) { | |
48 | printf("No more mail.\n"); | |
49 | return(1); | |
50 | } | |
51 | return(0); | |
52 | } | |
53 | ||
54 | /* | |
55 | * Scroll to the next/previous screen | |
56 | */ | |
57 | ||
58 | scroll(arg) | |
59 | char arg[]; | |
60 | { | |
61 | register int s; | |
62 | int cur[1]; | |
63 | ||
64 | cur[0] = 0; | |
65 | s = screen; | |
66 | switch (*arg) { | |
67 | case 0: | |
68 | case '+': | |
69 | s++; | |
70 | if (s*SCREEN > msgCount) { | |
71 | printf("On last screenful of messages\n"); | |
72 | return(0); | |
73 | } | |
74 | screen = s; | |
75 | break; | |
76 | ||
77 | case '-': | |
78 | if (--s < 0) { | |
79 | printf("On first screenful of messages\n"); | |
80 | return(0); | |
81 | } | |
82 | screen = s; | |
83 | break; | |
84 | ||
85 | default: | |
86 | printf("Unrecognized scrolling command \"%s\"\n", arg); | |
87 | return(1); | |
88 | } | |
89 | return(headers(cur)); | |
90 | } | |
91 | ||
92 | ||
93 | /* | |
94 | * Print out the headlines for each message | |
95 | * in the passed message list. | |
96 | */ | |
97 | ||
98 | from(msgvec) | |
99 | int *msgvec; | |
100 | { | |
101 | register int *ip; | |
102 | ||
103 | for (ip = msgvec; *ip != NULL; ip++) { | |
104 | printhead(*ip); | |
105 | sreset(); | |
106 | } | |
107 | if (--ip >= msgvec) | |
108 | dot = &message[*ip - 1]; | |
109 | return(0); | |
110 | } | |
111 | ||
112 | /* | |
113 | * Print out the header of a specific message. | |
114 | * This is a slight improvement to the standard one. | |
115 | */ | |
116 | ||
117 | printhead(mesg) | |
118 | { | |
119 | struct message *mp; | |
120 | FILE *ibuf; | |
121 | char headline[LINESIZE], wcount[10], *subjline, dispc; | |
122 | char pbuf[BUFSIZ]; | |
123 | int s; | |
124 | struct headline hl; | |
125 | register char *cp; | |
126 | ||
127 | mp = &message[mesg-1]; | |
128 | ibuf = setinput(mp); | |
129 | readline(ibuf, headline); | |
130 | subjline = hfield("subject", mp); | |
131 | if (subjline == NOSTR) | |
132 | subjline = hfield("subj", mp); | |
133 | ||
134 | /* | |
135 | * Bletch! | |
136 | */ | |
137 | ||
138 | if (subjline != NOSTR && strlen(subjline) > 28) | |
139 | subjline[29] = '\0'; | |
140 | dispc = ' '; | |
141 | if (mp->m_flag & MSAVED) | |
142 | dispc = '*'; | |
143 | if (mp->m_flag & MPRESERVE) | |
144 | dispc = 'P'; | |
5bfbbe88 | 145 | if ((mp->m_flag & (MREAD|MNEW)) == MNEW) |
f4d36a07 | 146 | dispc = 'N'; |
5bfbbe88 KS |
147 | if ((mp->m_flag & (MREAD|MNEW)) == 0) |
148 | dispc = 'U'; | |
d702437a KS |
149 | parse(headline, &hl, pbuf); |
150 | sprintf(wcount, " %d/%d", mp->m_lines, mp->m_size); | |
151 | s = strlen(wcount); | |
152 | cp = wcount + s; | |
153 | while (s < 7) | |
154 | s++, *cp++ = ' '; | |
155 | *cp = '\0'; | |
156 | if (subjline != NOSTR) | |
157 | printf("%c%3d %-8s %16.16s %s \"%s\"\n", dispc, mesg, | |
158 | nameof(mp), hl.l_date, wcount, subjline); | |
159 | else | |
160 | printf("%c%3d %-8s %16.16s %s\n", dispc, mesg, | |
161 | nameof(mp), hl.l_date, wcount); | |
162 | } | |
163 | ||
164 | /* | |
165 | * Print out the value of dot. | |
166 | */ | |
167 | ||
168 | pdot() | |
169 | { | |
170 | printf("%d\n", dot - &message[0] + 1); | |
171 | return(0); | |
172 | } | |
173 | ||
174 | /* | |
175 | * Print out all the possible commands. | |
176 | */ | |
177 | ||
178 | pcmdlist() | |
179 | { | |
180 | register struct cmd *cp; | |
181 | register int cc; | |
182 | extern struct cmd cmdtab[]; | |
183 | ||
184 | printf("Commands are:\n"); | |
185 | for (cc = 0, cp = cmdtab; cp->c_name != NULL; cp++) { | |
186 | cc += strlen(cp->c_name) + 2; | |
187 | if (cc > 72) { | |
188 | printf("\n"); | |
189 | cc = strlen(cp->c_name) + 2; | |
190 | } | |
191 | if ((cp+1)->c_name != NOSTR) | |
192 | printf("%s, ", cp->c_name); | |
193 | else | |
194 | printf("%s\n", cp->c_name); | |
195 | } | |
196 | return(0); | |
197 | } | |
198 | ||
199 | /* | |
200 | * Type out the messages requested. | |
201 | */ | |
202 | ||
740867ff KS |
203 | jmp_buf pipestop; |
204 | ||
d702437a KS |
205 | type(msgvec) |
206 | int *msgvec; | |
207 | { | |
208 | register *ip; | |
209 | register struct message *mp; | |
210 | register int mesg; | |
740867ff KS |
211 | register char *cp; |
212 | int c, nlines; | |
213 | int brokpipe(); | |
214 | FILE *ibuf, *obuf; | |
215 | ||
216 | obuf = stdout; | |
217 | if (setjmp(pipestop)) { | |
218 | if (obuf != stdout) { | |
219 | pclose(obuf); | |
220 | pipef = NULL; | |
221 | } | |
222 | signal(SIGPIPE, SIG_DFL); | |
223 | return(0); | |
224 | } | |
225 | if (intty && outtty && (cp = value("crt")) != NOSTR) { | |
226 | for (ip = msgvec, nlines = 0; *ip && ip-msgvec < msgCount; ip++) | |
227 | nlines += message[*ip - 1].m_lines; | |
228 | if (nlines > atoi(cp)) { | |
229 | obuf = popen(MORE, "w"); | |
230 | if (obuf == NULL) { | |
231 | perror(MORE); | |
232 | obuf = stdout; | |
233 | } | |
234 | else { | |
235 | pipef = obuf; | |
236 | signal(SIGPIPE, brokpipe); | |
237 | } | |
238 | } | |
239 | } | |
d702437a KS |
240 | for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) { |
241 | mesg = *ip; | |
242 | touch(mesg); | |
243 | mp = &message[mesg-1]; | |
244 | dot = mp; | |
740867ff KS |
245 | print(mp, obuf); |
246 | } | |
247 | signal(SIGPIPE, SIG_DFL); | |
248 | if (obuf != stdout) { | |
249 | pclose(obuf); | |
250 | pipef = NULL; | |
d702437a KS |
251 | } |
252 | return(0); | |
253 | } | |
254 | ||
740867ff KS |
255 | /* |
256 | * Respond to a broken pipe signal -- | |
257 | * probably caused by using quitting more. | |
258 | */ | |
259 | ||
260 | brokpipe() | |
261 | { | |
262 | ||
263 | signal(SIGPIPE, SIG_IGN); | |
264 | longjmp(pipestop, 1); | |
265 | } | |
266 | ||
d702437a KS |
267 | /* |
268 | * Print the indicated message on standard output. | |
269 | */ | |
270 | ||
740867ff | 271 | print(mp, obuf) |
d702437a | 272 | register struct message *mp; |
740867ff | 273 | FILE *obuf; |
d702437a KS |
274 | { |
275 | ||
276 | if (value("quiet") == NOSTR) | |
740867ff | 277 | fprintf(obuf, "Message %2d:\n", mp - &message[0] + 1); |
d702437a | 278 | touch(mp - &message[0] + 1); |
740867ff | 279 | send(mp, obuf); |
d702437a KS |
280 | } |
281 | ||
282 | /* | |
283 | * Print the top so many lines of each desired message. | |
284 | * The number of lines is taken from the variable "toplines" | |
285 | * and defaults to 5. | |
286 | */ | |
287 | ||
288 | top(msgvec) | |
289 | int *msgvec; | |
290 | { | |
291 | register int *ip; | |
292 | register struct message *mp; | |
293 | register int mesg; | |
294 | int c, topl, lines, lineb; | |
295 | char *valtop, linebuf[LINESIZE]; | |
296 | FILE *ibuf; | |
297 | ||
298 | topl = 5; | |
299 | valtop = value("toplines"); | |
300 | if (valtop != NOSTR) { | |
301 | topl = atoi(valtop); | |
302 | if (topl < 0 || topl > 10000) | |
303 | topl = 5; | |
304 | } | |
305 | lineb = 1; | |
306 | for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) { | |
307 | mesg = *ip; | |
308 | touch(mesg); | |
309 | mp = &message[mesg-1]; | |
310 | dot = mp; | |
311 | if (value("quiet") == NOSTR) | |
312 | printf("Message %2d:\n", mesg); | |
313 | ibuf = setinput(mp); | |
314 | c = mp->m_lines; | |
315 | if (!lineb) | |
316 | printf("\n"); | |
317 | for (lines = 0; lines < c && lines <= topl; lines++) { | |
318 | if (readline(ibuf, linebuf) <= 0) | |
319 | break; | |
320 | puts(linebuf); | |
321 | lineb = blankline(linebuf); | |
322 | } | |
323 | } | |
324 | return(0); | |
325 | } | |
326 | ||
327 | /* | |
328 | * Touch all the given messages so that they will | |
329 | * get mboxed. | |
330 | */ | |
331 | ||
332 | stouch(msgvec) | |
333 | int msgvec[]; | |
334 | { | |
335 | register int *ip; | |
336 | ||
337 | for (ip = msgvec; *ip != 0; ip++) { | |
d702437a | 338 | dot = &message[*ip-1]; |
5bfbbe88 | 339 | dot->m_flag |= MTOUCH; |
d702437a KS |
340 | dot->m_flag &= ~MPRESERVE; |
341 | } | |
342 | return(0); | |
343 | } |