2 * Copyright (c) 1980, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * @(#)cmd2.c 8.1 (Berkeley) 6/6/93
30 * $FreeBSD: src/usr.bin/mail/cmd2.c,v 1.5.6.3 2003/01/06 05:46:03 mikeh Exp $
38 * Mail -- a mail program
43 extern int wait_status;
46 * If any arguments were given, go to the next applicable argument
47 * following dot, otherwise, go to the next applicable message.
48 * If given as first command with no arguments, print first message.
54 int *ip, *ip2, list[2], mdot;
59 * If some messages were supplied, find the
60 * first applicable one following dot using
64 mdot = dot - &message[0] + 1;
67 * Find the first message in the supplied
68 * message list which follows dot.
71 for (ip = msgvec; *ip != 0; ip++)
78 mp = &message[*ip2 - 1];
79 if ((mp->m_flag & MDELETED) == 0) {
88 printf("No messages applicable\n");
93 * If this is the first command, select message 1.
94 * Note that this must exist for us to get here at all.
101 * Just find the next good message after dot, no
105 for (mp = dot+1; mp < &message[msgCount]; mp++)
106 if ((mp->m_flag & (MDELETED|MSAVED)) == 0)
108 if (mp >= &message[msgCount]) {
118 list[0] = dot - &message[0] + 1;
124 * Save a message in a file. Mark the message as saved
125 * so we can discard when the user quits.
130 return (save1(str, 1, "save", saveignore));
134 * Copy a message to a file without affected its saved-ness
139 return (save1(str, 0, "copy", saveignore));
143 * Save/copy the indicated messages at the end of the passed file name.
144 * If mark is true, mark the message "saved."
147 save1(char *str, int mark, const char *cmd, struct ignoretab *ignore)
155 msgvec = (int *)salloc((msgCount + 2) * sizeof(*msgvec));
156 if ((file = snarf(str, &f)) == NULL)
159 *msgvec = first(0, MMNORM);
161 printf("No messages to %s.\n", cmd);
166 if (f && getmsglist(str, msgvec, 0) < 0)
168 if ((file = expand(file)) == NULL)
170 printf("\"%s\" ", file);
172 if (access(file, 0) >= 0)
176 if ((obuf = Fopen(file, "a")) == NULL) {
180 for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) {
181 mp = &message[*ip - 1];
183 if (sendmessage(mp, obuf, ignore, NULL) < 0) {
189 mp->m_flag |= MSAVED;
195 printf("%s\n", disp);
200 * Write the indicated messages at the end of the passed
201 * file name, minus header and trailing blank line.
206 return (save1(str, 1, "write", ignoreall));
210 * Snarf the file from the end of the command line and
211 * return a pointer to it. If there is no file attached,
212 * just return NULL. Put a null in front of the file
213 * name so that the message list processing won't see it,
214 * unless the file name is the only thing on the line, in
215 * which case, return 0 in the reference flag variable.
219 snarf(char *linebuf, int *flag)
224 cp = strlen(linebuf) + linebuf - 1;
227 * Strip away trailing blanks.
230 while (cp > linebuf && isspace((unsigned char)*cp))
235 * Now search for the beginning of the file name.
238 while (cp > linebuf && !isspace((unsigned char)*cp))
241 printf("No file specified.\n");
244 if (isspace((unsigned char)*cp))
262 * Delete messages, then type the new dot.
270 lastdot = dot - &message[0] + 1;
271 if (delm(msgvec) >= 0) {
272 list[0] = dot - &message[0] + 1;
273 if (list[0] > lastdot) {
280 printf("No more messages\n");
285 * Delete the indicated messages.
286 * Set dot to some nice place afterwards.
287 * Internal interface.
296 for (ip = msgvec; *ip != 0; ip++) {
297 mp = &message[*ip - 1];
299 mp->m_flag |= MDELETED|MTOUCH;
300 mp->m_flag &= ~(MPRESERVE|MSAVED|MBOX);
304 dot = &message[last-1];
305 last = first(0, MDELETED);
307 dot = &message[last-1];
317 * Following can't happen -- it keeps lint happy
324 * Undelete the indicated messages.
327 undelete_messages(int *msgvec)
332 for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) {
333 mp = &message[*ip - 1];
336 mp->m_flag &= ~MDELETED;
342 * Interactively dump core on "core"
349 switch (pid = fork()) {
357 printf("Okie dokie");
360 if (WIFSIGNALED(wait_status) && WCOREDUMP(wait_status))
361 printf(" -- Core dumped.\n");
363 printf(" -- Can't dump core.\n");
368 * Clobber as many bytes of stack as the user requests.
378 times = (atoi(argv[0]) + 511) / 512;
394 for (cp = buf; cp < &buf[512]; *cp++ = 0xFF)
400 * Add the given header fields to the retained list.
401 * If no arguments, print the current list of retained fields.
404 retfield(char **list)
406 return (ignore1(list, ignore + 1, "retained"));
410 * Add the given header fields to the ignored list.
411 * If no arguments, print the current list of ignored fields.
416 return (ignore1(list, ignore, "ignored"));
420 saveretfield(char **list)
422 return (ignore1(list, saveignore + 1, "retained"));
426 saveigfield(char **list)
428 return (ignore1(list, saveignore, "ignored"));
432 ignore1(char **list, struct ignoretab *tab, const char *which)
434 char field[LINESIZE];
440 return (igshow(tab, which));
441 for (ap = list; *ap != NULL; ap++) {
442 istrncpy(field, *ap, sizeof(field));
443 if (member(field, tab))
446 igp = calloc(1, sizeof(struct ignore));
447 igp->i_field = calloc((unsigned)strlen(field) + 1,
449 strcpy(igp->i_field, field);
450 igp->i_link = tab->i_head[h];
451 tab->i_head[h] = igp;
458 * Print out all currently retained fields.
461 igshow(struct ignoretab *tab, const char *which)
467 if (tab->i_count == 0) {
468 printf("No fields currently being %s.\n", which);
471 ring = (char **)salloc((tab->i_count + 1) * sizeof(char *));
473 for (h = 0; h < HSHSIZE; h++)
474 for (igp = tab->i_head[h]; igp != NULL; igp = igp->i_link)
475 *ap++ = igp->i_field;
477 qsort(ring, tab->i_count, sizeof(char *), igcomp);
478 for (ap = ring; *ap != NULL; ap++)
484 * Compare two names for sorting ignored field list.
487 igcomp(const void *l, const void *r)
489 return (strcmp(*(const char **)l, *(const char **)r));