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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 1.3 2003/10/04 20:36:48 hmp 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.
136 return (save1(str, 1, "save", saveignore));
140 * Copy a message to a file without affected its saved-ness
146 return (save1(str, 0, "copy", saveignore));
150 * Save/copy the indicated messages at the end of the passed file name.
151 * If mark is true, mark the message "saved."
154 save1(char *str, int mark, const char *cmd, struct ignoretab *ignore)
162 msgvec = (int *)salloc((msgCount + 2) * sizeof(*msgvec));
163 if ((file = snarf(str, &f)) == NULL)
166 *msgvec = first(0, MMNORM);
168 printf("No messages to %s.\n", cmd);
173 if (f && getmsglist(str, msgvec, 0) < 0)
175 if ((file = expand(file)) == NULL)
177 printf("\"%s\" ", file);
178 (void)fflush(stdout);
179 if (access(file, 0) >= 0)
183 if ((obuf = Fopen(file, "a")) == NULL) {
187 for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) {
188 mp = &message[*ip - 1];
190 if (sendmessage(mp, obuf, ignore, NULL) < 0) {
196 mp->m_flag |= MSAVED;
202 printf("%s\n", disp);
207 * Write the indicated messages at the end of the passed
208 * file name, minus header and trailing blank line.
214 return (save1(str, 1, "write", ignoreall));
218 * Snarf the file from the end of the command line and
219 * return a pointer to it. If there is no file attached,
220 * just return NULL. Put a null in front of the file
221 * name so that the message list processing won't see it,
222 * unless the file name is the only thing on the line, in
223 * which case, return 0 in the reference flag variable.
227 snarf(char *linebuf, int *flag)
232 cp = strlen(linebuf) + linebuf - 1;
235 * Strip away trailing blanks.
238 while (cp > linebuf && isspace((unsigned char)*cp))
243 * Now search for the beginning of the file name.
246 while (cp > linebuf && !isspace((unsigned char)*cp))
249 printf("No file specified.\n");
252 if (isspace((unsigned char)*cp))
271 * Delete messages, then type the new dot.
279 lastdot = dot - &message[0] + 1;
280 if (delm(msgvec) >= 0) {
281 list[0] = dot - &message[0] + 1;
282 if (list[0] > lastdot) {
289 printf("No more messages\n");
294 * Delete the indicated messages.
295 * Set dot to some nice place afterwards.
296 * Internal interface.
305 for (ip = msgvec; *ip != 0; ip++) {
306 mp = &message[*ip - 1];
308 mp->m_flag |= MDELETED|MTOUCH;
309 mp->m_flag &= ~(MPRESERVE|MSAVED|MBOX);
313 dot = &message[last-1];
314 last = first(0, MDELETED);
316 dot = &message[last-1];
326 * Following can't happen -- it keeps lint happy
333 * Undelete the indicated messages.
336 undelete_messages(int *msgvec)
341 for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) {
342 mp = &message[*ip - 1];
345 mp->m_flag &= ~MDELETED;
351 * Interactively dump core on "core"
358 switch (pid = fork()) {
366 printf("Okie dokie");
367 (void)fflush(stdout);
369 if (WIFSIGNALED(wait_status) && WCOREDUMP(wait_status))
370 printf(" -- Core dumped.\n");
372 printf(" -- Can't dump core.\n");
377 * Clobber as many bytes of stack as the user requests.
387 times = (atoi(argv[0]) + 511) / 512;
403 for (cp = buf; cp < &buf[512]; *cp++ = 0xFF)
409 * Add the given header fields to the retained list.
410 * If no arguments, print the current list of retained fields.
413 retfield(char **list)
416 return (ignore1(list, ignore + 1, "retained"));
420 * Add the given header fields to the ignored list.
421 * If no arguments, print the current list of ignored fields.
427 return (ignore1(list, ignore, "ignored"));
431 saveretfield(char **list)
434 return (ignore1(list, saveignore + 1, "retained"));
438 saveigfield(char **list)
441 return (ignore1(list, saveignore, "ignored"));
445 ignore1(char **list, struct ignoretab *tab, const char *which)
447 char field[LINESIZE];
453 return (igshow(tab, which));
454 for (ap = list; *ap != 0; ap++) {
455 istrncpy(field, *ap, sizeof(field));
456 if (member(field, tab))
459 igp = calloc(1, sizeof(struct ignore));
460 igp->i_field = calloc((unsigned)strlen(field) + 1,
462 strcpy(igp->i_field, field);
463 igp->i_link = tab->i_head[h];
464 tab->i_head[h] = igp;
471 * Print out all currently retained fields.
474 igshow(struct ignoretab *tab, const char *which)
480 if (tab->i_count == 0) {
481 printf("No fields currently being %s.\n", which);
484 ring = (char **)salloc((tab->i_count + 1) * sizeof(char *));
486 for (h = 0; h < HSHSIZE; h++)
487 for (igp = tab->i_head[h]; igp != NULL; igp = igp->i_link)
488 *ap++ = igp->i_field;
490 qsort(ring, tab->i_count, sizeof(char *), igcomp);
491 for (ap = ring; *ap != 0; ap++)
497 * Compare two names for sorting ignored field list.
500 igcomp(const void *l, const void *r)
503 return (strcmp(*(const char **)l, *(const char **)r));