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33 * @(#)cmd2.c 8.1 (Berkeley) 6/6/93
34 * $FreeBSD: src/usr.bin/mail/cmd2.c,v 1.5.6.3 2003/01/06 05:46:03 mikeh Exp $
35 * $DragonFly: src/usr.bin/mail/cmd2.c,v 1.4 2004/09/08 03:01:11 joerg Exp $
43 * Mail -- a mail program
48 extern int wait_status;
51 * If any arguments were given, go to the next applicable argument
52 * following dot, otherwise, go to the next applicable message.
53 * If given as first command with no arguments, print first message.
59 int *ip, *ip2, list[2], mdot;
64 * If some messages were supplied, find the
65 * first applicable one following dot using
69 mdot = dot - &message[0] + 1;
72 * Find the first message in the supplied
73 * message list which follows dot.
76 for (ip = msgvec; *ip != 0; ip++)
83 mp = &message[*ip2 - 1];
84 if ((mp->m_flag & MDELETED) == 0) {
93 printf("No messages applicable\n");
98 * If this is the first command, select message 1.
99 * Note that this must exist for us to get here at all.
106 * Just find the next good message after dot, no
110 for (mp = dot+1; mp < &message[msgCount]; mp++)
111 if ((mp->m_flag & (MDELETED|MSAVED)) == 0)
113 if (mp >= &message[msgCount]) {
123 list[0] = dot - &message[0] + 1;
129 * Save a message in a file. Mark the message as saved
130 * so we can discard when the user quits.
135 return (save1(str, 1, "save", saveignore));
139 * Copy a message to a file without affected its saved-ness
144 return (save1(str, 0, "copy", saveignore));
148 * Save/copy the indicated messages at the end of the passed file name.
149 * If mark is true, mark the message "saved."
152 save1(char *str, int mark, const char *cmd, struct ignoretab *ignore)
160 msgvec = (int *)salloc((msgCount + 2) * sizeof(*msgvec));
161 if ((file = snarf(str, &f)) == NULL)
164 *msgvec = first(0, MMNORM);
166 printf("No messages to %s.\n", cmd);
171 if (f && getmsglist(str, msgvec, 0) < 0)
173 if ((file = expand(file)) == NULL)
175 printf("\"%s\" ", file);
177 if (access(file, 0) >= 0)
181 if ((obuf = Fopen(file, "a")) == NULL) {
185 for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) {
186 mp = &message[*ip - 1];
188 if (sendmessage(mp, obuf, ignore, NULL) < 0) {
194 mp->m_flag |= MSAVED;
200 printf("%s\n", disp);
205 * Write the indicated messages at the end of the passed
206 * file name, minus header and trailing blank line.
211 return (save1(str, 1, "write", ignoreall));
215 * Snarf the file from the end of the command line and
216 * return a pointer to it. If there is no file attached,
217 * just return NULL. Put a null in front of the file
218 * name so that the message list processing won't see it,
219 * unless the file name is the only thing on the line, in
220 * which case, return 0 in the reference flag variable.
224 snarf(char *linebuf, int *flag)
229 cp = strlen(linebuf) + linebuf - 1;
232 * Strip away trailing blanks.
235 while (cp > linebuf && isspace((unsigned char)*cp))
240 * Now search for the beginning of the file name.
243 while (cp > linebuf && !isspace((unsigned char)*cp))
246 printf("No file specified.\n");
249 if (isspace((unsigned char)*cp))
267 * Delete messages, then type the new dot.
275 lastdot = dot - &message[0] + 1;
276 if (delm(msgvec) >= 0) {
277 list[0] = dot - &message[0] + 1;
278 if (list[0] > lastdot) {
285 printf("No more messages\n");
290 * Delete the indicated messages.
291 * Set dot to some nice place afterwards.
292 * Internal interface.
301 for (ip = msgvec; *ip != 0; ip++) {
302 mp = &message[*ip - 1];
304 mp->m_flag |= MDELETED|MTOUCH;
305 mp->m_flag &= ~(MPRESERVE|MSAVED|MBOX);
309 dot = &message[last-1];
310 last = first(0, MDELETED);
312 dot = &message[last-1];
322 * Following can't happen -- it keeps lint happy
329 * Undelete the indicated messages.
332 undelete_messages(int *msgvec)
337 for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) {
338 mp = &message[*ip - 1];
341 mp->m_flag &= ~MDELETED;
347 * Interactively dump core on "core"
354 switch (pid = fork()) {
362 printf("Okie dokie");
365 if (WIFSIGNALED(wait_status) && WCOREDUMP(wait_status))
366 printf(" -- Core dumped.\n");
368 printf(" -- Can't dump core.\n");
373 * Clobber as many bytes of stack as the user requests.
383 times = (atoi(argv[0]) + 511) / 512;
399 for (cp = buf; cp < &buf[512]; *cp++ = 0xFF)
405 * Add the given header fields to the retained list.
406 * If no arguments, print the current list of retained fields.
409 retfield(char **list)
411 return (ignore1(list, ignore + 1, "retained"));
415 * Add the given header fields to the ignored list.
416 * If no arguments, print the current list of ignored fields.
421 return (ignore1(list, ignore, "ignored"));
425 saveretfield(char **list)
427 return (ignore1(list, saveignore + 1, "retained"));
431 saveigfield(char **list)
433 return (ignore1(list, saveignore, "ignored"));
437 ignore1(char **list, struct ignoretab *tab, const char *which)
439 char field[LINESIZE];
445 return (igshow(tab, which));
446 for (ap = list; *ap != 0; ap++) {
447 istrncpy(field, *ap, sizeof(field));
448 if (member(field, tab))
451 igp = calloc(1, sizeof(struct ignore));
452 igp->i_field = calloc((unsigned)strlen(field) + 1,
454 strcpy(igp->i_field, field);
455 igp->i_link = tab->i_head[h];
456 tab->i_head[h] = igp;
463 * Print out all currently retained fields.
466 igshow(struct ignoretab *tab, const char *which)
472 if (tab->i_count == 0) {
473 printf("No fields currently being %s.\n", which);
476 ring = (char **)salloc((tab->i_count + 1) * sizeof(char *));
478 for (h = 0; h < HSHSIZE; h++)
479 for (igp = tab->i_head[h]; igp != NULL; igp = igp->i_link)
480 *ap++ = igp->i_field;
482 qsort(ring, tab->i_count, sizeof(char *), igcomp);
483 for (ap = ring; *ap != 0; ap++)
489 * Compare two names for sorting ignored field list.
492 igcomp(const void *l, const void *r)
494 return (strcmp(*(const char **)l, *(const char **)r));