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1.1 root 1: #ident "@(#)cmd2.c 1.5 'attmail mail(1) command'"
2: #ident "@(#)mailx:cmd2.c 1.6.1.1"
3: /* Copyright (c) 1984 AT&T */
4: /* All Rights Reserved */
5:
6: /* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
7: /* The copyright notice above does not evidence any */
8: /* actual or intended publication of such source code. */
9:
10: #ident "@(#)mailx:cmd2.c 1.6"
11:
12: #include "rcv.h"
13:
14: /*
15: * mailx -- a modified version of a University of California at Berkeley
16: * mail program
17: *
18: * More user commands.
19: */
20:
21: static int delm();
22: static int igshow();
23: static int igcomp();
24: static int save1();
25: static int Save1();
26: static void savemsglist();
27:
28: /*
29: * If any arguments were given, go to the next applicable argument
30: * following dot, otherwise, go to the next applicable message.
31: * If given as first command with no arguments, print first message.
32: */
33:
34: next(msgvec)
35: int *msgvec;
36: {
37: register struct message *mp;
38: register int *ip, *ip2;
39: int list[2], mdot;
40:
41: if (*msgvec != NULL) {
42:
43: /*
44: * If some messages were supplied, find the
45: * first applicable one following dot using
46: * wrap around.
47: */
48:
49: mdot = dot - &message[0] + 1;
50:
51: /*
52: * Find the first message in the supplied
53: * message list which follows dot.
54: */
55:
56: for (ip = msgvec; *ip != NULL; ip++)
57: if (*ip > mdot)
58: break;
59: if (*ip == NULL)
60: ip = msgvec;
61: ip2 = ip;
62: do {
63: mp = &message[*ip2 - 1];
64: if ((mp->m_flag & MDELETED) == 0) {
65: dot = mp;
66: goto hitit;
67: }
68: if (*ip2 != NULL)
69: ip2++;
70: if (*ip2 == NULL)
71: ip2 = msgvec;
72: } while (ip2 != ip);
73: printf("No messages applicable\n");
74: return(1);
75: }
76:
77: /*
78: * If this is the first command, select message 1.
79: * Note that this must exist for us to get here at all.
80: */
81:
82: if (!sawcom)
83: goto hitit;
84:
85: /*
86: * Just find the next good message after dot, no
87: * wraparound.
88: */
89:
90: for (mp = dot+1; mp < &message[msgCount]; mp++)
91: if ((mp->m_flag & (MDELETED|MSAVED)) == 0)
92: break;
93: if (mp >= &message[msgCount]) {
94: printf("At EOF\n");
95: return(0);
96: }
97: dot = mp;
98: hitit:
99: /*
100: * Print dot.
101: */
102:
103: list[0] = dot - &message[0] + 1;
104: list[1] = NULL;
105: return(type(list));
106: }
107:
108: /*
109: * Save a message in a file. Mark the message as saved
110: * so we can discard when the user quits.
111: */
112: save(str)
113: char str[];
114: {
115: return(save1(str, 1));
116: }
117:
118: /*
119: * Copy a message to a file without affected its saved-ness
120: */
121: copycmd(str)
122: char str[];
123: {
124: return(save1(str, 0));
125: }
126:
127: /*
128: * Save/copy the indicated messages at the end of the passed file name.
129: * If mark is true, mark the message "saved."
130: */
131: static int
132: save1(str, mark)
133: char str[];
134: {
135: char *file, *cmd;
136: int f, *msgvec;
137:
138: cmd = mark ? "save" : "copy";
139: msgvec = (int *) salloc((msgCount + 2) * sizeof *msgvec);
140: if ((file = snarf(str, &f, 0)) == NOSTR)
141: file = Getf("MBOX");
142: if (f==-1)
143: return(1);
144: if (!f) {
145: *msgvec = first(0, MMNORM);
146: if (*msgvec == NULL) {
147: printf("No messages to %s.\n", cmd);
148: return(1);
149: }
150: msgvec[1] = NULL;
151: }
152: if (f && getmsglist(str, msgvec, 0) < 0)
153: return(1);
154: if ((file = expand(file)) == NOSTR)
155: return(1);
156: savemsglist(file, msgvec, mark);
157: return(0);
158: }
159:
160: Save(msgvec)
161: int *msgvec;
162: {
163: return(Save1(msgvec, 1));
164: }
165:
166: Copy(msgvec)
167: int *msgvec;
168: {
169: return(Save1(msgvec, 0));
170: }
171:
172: /*
173: * save/copy the indicated messages at the end of a file named
174: * by the sender of the first message in the msglist.
175: */
176: static int
177: Save1(msgvec, mark)
178: int *msgvec;
179: {
180: char recfile[128];
181:
182: getrecf(nameof(&message[*msgvec-1]), recfile, 1);
183: savemsglist(expand(recfile), msgvec, mark);
184: return(0);
185: }
186:
187: /*
188: * save a message list in a file
189: */
190: static void
191: savemsglist(file, msgvec, mark)
192: char *file;
193: int *msgvec;
194: {
195: register int *ip, mesg;
196: register struct message *mp;
197: char *disp;
198: FILE *obuf;
199: struct stat statb;
200: long lc, cc, t;
201: int bnry;
202:
203: printf("\"%s\" ", file);
204: flush();
205: if (stat(file, &statb) >= 0)
206: disp = "[Appended]";
207: else
208: disp = "[New file]";
209: if ((obuf = fopen(file, "a")) == NULL) {
210: perror("");
211: return;
212: }
213: lc = cc = 0;
214: bnry = 0;
215: for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) {
216: mesg = *ip;
217: mp = &message[mesg-1];
218: if (!mp->m_text) {
219: bnry = 1;
220: }
221: if ((t = send(mp, obuf, 0)) < 0) {
222: perror(file);
223: fclose(obuf);
224: return;
225: }
226: touch(mesg);
227: lc += t;
228: cc += mp->m_size;
229: if (mark)
230: mp->m_flag |= MSAVED;
231: }
232: fflush(obuf);
233: if (ferror(obuf))
234: perror(file);
235: fclose(obuf);
236: if (!bnry) {
237: printf("%s %ld/%ld\n", disp, lc, cc);
238: } else {
239: printf("%s binary/%ld\n", disp, cc);
240: }
241: }
242:
243: /*
244: * Write the indicated messages at the end of the passed
245: * file name, minus header and trailing blank line.
246: * er, write out that last character, since it might not be surplus
247: */
248:
249: swrite(str)
250: char str[];
251: {
252: register int *ip, mesg;
253: register struct message *mp;
254: register char *file, *disp;
255: char linebuf[LINESIZE];
256: int f, *msgvec;
257: long lc, cc, t, clen, n;
258: FILE *obuf, *mesf;
259: struct stat statb;
260: int hdr, bnry;
261:
262: msgvec = (int *) salloc((msgCount + 2) * sizeof *msgvec);
263: if ((file = snarf(str, &f, 1)) == NOSTR)
264: return(1);
265: if (f==-1)
266: return(1);
267: if ((file = expand(file)) == NOSTR)
268: return(1);
269: if (!f) {
270: *msgvec = first(0, MMNORM);
271: if (*msgvec == NULL) {
272: printf("No messages to write.\n");
273: return(1);
274: }
275: msgvec[1] = NULL;
276: }
277: if (f && getmsglist(str, msgvec, 0) < 0)
278: return(1);
279: printf("\"%s\" ", file);
280: flush();
281: if (stat(file, &statb) >= 0)
282: disp = "[Appended]";
283: else
284: disp = "[New file]";
285: if ((obuf = fopen(file, "a")) == NULL) {
286: perror("");
287: return(1);
288: }
289: lc = cc = 0L;
290: for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) {
291: mesg = *ip;
292: touch(mesg);
293: mp = &message[mesg-1];
294: mesf = setinput(mp);
295: clen = mp->m_clen;
296: if( (fseek(mesf, mp->m_size - mp->m_clen, 1)) < 0) {
297: fprintf(stderr, "\t(Unexpected end-of-file).\n");
298: fflush(obuf);
299: clen = 0;
300: }
301: for (;clen > 0;) {
302: n = clen < sizeof linebuf ? clen : sizeof linebuf;
303: if ((n = fread(linebuf, 1, n, mesf)) <= 0) {
304: fprintf(stderr, "\t(Unexpected end-of-file).\n");
305: clen = 0;
306: } else {
307: if (fwrite(linebuf, 1, n, obuf) != n) {
308: fprintf(stderr, "\t Error writing to the new file.\n");
309: fflush(obuf);
310: } else {
311: cc += n;
312: }
313: }
314: clen -= n;
315: if( clen <= 0) break;
316: }
317: mp->m_flag |= MSAVED;
318: }
319: fflush(obuf);
320: if (ferror(obuf))
321: perror(file);
322: fclose(obuf);
323: printf("%s %ld\n",disp,cc);
324: return(0);
325: }
326:
327: /*
328: * Snarf the file from the end of the command line and
329: * return a pointer to it. If there is no file attached,
330: * just return NOSTR. Put a null in front of the file
331: * name so that the message list processing won't see it,
332: * unless the file name is the only thing on the line, in
333: * which case, return 0 in the reference flag variable.
334: */
335:
336: char *
337: snarf(linebuf, flag, erf)
338: char linebuf[];
339: int *flag;
340: {
341: register char *cp;
342: char end;
343:
344: *flag = 1;
345: cp = strlen(linebuf) + linebuf - 1;
346:
347: /*
348: * Strip away trailing blanks.
349: */
350: while (*cp == ' ' && cp > linebuf)
351: cp--;
352: *++cp = 0;
353:
354: /*
355: * Now see if string is quoted
356: */
357: if (cp > linebuf && any(cp[-1], "'\"")) {
358: end = *--cp;
359: *cp = '\0';
360: while (*cp != end && cp > linebuf)
361: cp--;
362: if (*cp != end) {
363: printf("Syntax error: missing %c.\n", end);
364: *flag = -1;
365: return(NOSTR);
366: }
367: if (cp==linebuf)
368: *flag = 0;
369: *cp++ = '\0';
370: return(cp);
371: }
372:
373: /*
374: * Now search for the beginning of the file name.
375: */
376:
377: while (cp > linebuf && !any(*cp, "\t "))
378: cp--;
379: if (*cp == '\0') {
380: if (erf)
381: printf("No file specified.\n");
382: *flag = 0;
383: return(NOSTR);
384: }
385: if (any(*cp, " \t"))
386: *cp++ = 0;
387: else
388: *flag = 0;
389: return(cp);
390: }
391:
392: /*
393: * Delete messages.
394: */
395:
396: delete(msgvec)
397: int msgvec[];
398: {
399: return(delm(msgvec));
400: }
401:
402: /*
403: * Delete messages, then type the new dot.
404: */
405:
406: deltype(msgvec)
407: int msgvec[];
408: {
409: int list[2];
410: int lastdot;
411:
412: lastdot = dot - &message[0] + 1;
413: if (delm(msgvec) >= 0) {
414: list[0] = dot - &message[0];
415: list[0]++;
416: if (list[0] > lastdot) {
417: touch(list[0]);
418: list[1] = NULL;
419: return(type(list));
420: }
421: printf("At EOF\n");
422: return(0);
423: }
424: else {
425: printf("No more messages\n");
426: return(0);
427: }
428: }
429:
430: /*
431: * Delete the indicated messages.
432: * Set dot to some nice place afterwards.
433: * Internal interface.
434: */
435: static int
436: delm(msgvec)
437: int *msgvec;
438: {
439: register struct message *mp;
440: register *ip, mesg;
441: int last;
442:
443: last = NULL;
444: for (ip = msgvec; *ip != NULL; ip++) {
445: mesg = *ip;
446: touch(mesg);
447: mp = &message[mesg-1];
448: mp->m_flag |= MDELETED|MTOUCH;
449: mp->m_flag &= ~(MPRESERVE|MSAVED|MBOX);
450: last = mesg;
451: }
452: if (last != NULL) {
453: dot = &message[last-1];
454: last = first(0, MDELETED);
455: if (last != NULL) {
456: dot = &message[last-1];
457: return(0);
458: }
459: else {
460: dot = &message[0];
461: return(-1);
462: }
463: }
464:
465: /*
466: * Following can't happen -- it keeps lint happy
467: */
468:
469: return(-1);
470: }
471:
472: /*
473: * Undelete the indicated messages.
474: */
475: int
476: undelete(msgvec)
477: int *msgvec;
478: {
479: register struct message *mp;
480: register *ip, mesg;
481:
482: for (ip = msgvec; ip-msgvec < msgCount; ip++) {
483: mesg = *ip;
484: if (mesg == 0)
485: return(0);
486: touch(mesg);
487: mp = &message[mesg-1];
488: dot = mp;
489: mp->m_flag &= ~MDELETED;
490: }
491: return(0);
492: }
493:
494: /*
495: * Add the given header fields to the ignored list.
496: * If no arguments, print the current list of ignored fields.
497: */
498: igfield(list)
499: char *list[];
500: {
501: char field[BUFSIZ];
502: register int h;
503: register struct ignore *igp;
504: char **ap;
505:
506: if (argcount(list) == 0)
507: return(igshow());
508: for (ap = list; *ap != 0; ap++) {
509: if (isign(*ap))
510: continue;
511: istrcpy(field, *ap);
512: h = hash(field);
513: igp = (struct ignore *) calloc(1, sizeof (struct ignore));
514: igp->i_field = calloc(strlen(field) + 1, sizeof (char));
515: strcpy(igp->i_field, field);
516: igp->i_link = ignore[h];
517: ignore[h] = igp;
518: }
519: return(0);
520: }
521:
522: /*
523: * Print out all currently ignored fields.
524: */
525: static int
526: igshow()
527: {
528: register int h, count;
529: struct ignore *igp;
530: char **ap, **ring;
531:
532: count = 0;
533: for (h = 0; h < HSHSIZE; h++)
534: for (igp = ignore[h]; igp != 0; igp = igp->i_link)
535: count++;
536: if (count == 0) {
537: printf("No fields currently being ignored.\n");
538: return(0);
539: }
540: ring = (char **) salloc((count + 1) * sizeof (char *));
541: ap = ring;
542: for (h = 0; h < HSHSIZE; h++)
543: for (igp = ignore[h]; igp != 0; igp = igp->i_link)
544: *ap++ = igp->i_field;
545: *ap = 0;
546: qsort(ring, count, sizeof (char *), igcomp);
547: for (ap = ring; *ap != 0; ap++)
548: printf("%s\n", *ap);
549: return(0);
550: }
551:
552: /*
553: * Compare two names for sorting ignored field list.
554: */
555: static int
556: igcomp(l, r)
557: char **l, **r;
558: {
559: return(strcmp(*l, *r));
560: }
561:
562: /*
563: * Remove a list of fields from the ignore list.
564: */
565: unigfield(list)
566: char *list[];
567: {
568: char **ap, field[BUFSIZ];
569: register int h, count = 0;
570: register struct ignore *ig1, *ig2;
571:
572: if (argcount(list) == 0) {
573: for (h = 0; h < HSHSIZE; h++) {
574: ig1 = ignore[h];
575: while (ig1) {
576: free(ig1->i_field);
577: ig2 = ig1->i_link;
578: free((char *) ig1);
579: ig1 = ig2;
580: count++;
581: }
582: ignore[h] = NULL;
583: }
584: if (count == 0)
585: printf("No fields currently being ignored.\n");
586: return 0;
587: }
588: for (ap = list; *ap; ap++) {
589: istrcpy(field, *ap);
590: h = hash(field);
591: for (ig1 = ignore[h]; ig1; ig2 = ig1, ig1 = ig1->i_link)
592: if (strcmp(ig1->i_field, field) == 0) {
593: if (ig1 == ignore[h])
594: ignore[h] = ig1->i_link;
595: else
596: ig2->i_link = ig1->i_link;
597: free(ig1->i_field);
598: free((char *) ig1);
599: break;
600: }
601: }
602: return 0;
603: }
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