978 lines
20 KiB
C
978 lines
20 KiB
C
/* $NetBSD: lex.c,v 1.33 2007/01/03 00:39:16 christos Exp $ */
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/*
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* Copyright (c) 1980, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)lex.c 8.2 (Berkeley) 4/20/95";
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#else
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__RCSID("$NetBSD: lex.c,v 1.33 2007/01/03 00:39:16 christos Exp $");
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#endif
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#endif /* not lint */
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#include <assert.h>
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#include "rcv.h"
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#include <util.h>
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#include "extern.h"
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#ifdef USE_EDITLINE
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#include "complete.h"
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#endif
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#include "format.h"
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#include "thread.h"
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/*
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* Mail -- a mail program
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*
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* Lexical processing of commands.
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*/
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static const char *prompt = DEFAULT_PROMPT;
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static int *msgvec;
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static int reset_on_stop; /* do a reset() if stopped */
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/*
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* Set the size of the message vector used to construct argument
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* lists to message list functions.
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*/
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static void
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setmsize(int sz)
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{
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if (msgvec != 0)
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free(msgvec);
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msgvec = ecalloc((size_t) (sz + 1), sizeof *msgvec);
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}
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/*
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* Set up editing on the given file name.
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* If the first character of name is %, we are considered to be
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* editing the file, otherwise we are reading our mail which has
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* signficance for mbox and so forth.
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*/
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PUBLIC int
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setfile(const char *name)
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{
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FILE *ibuf;
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int i, fd;
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struct stat stb;
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char isedit = *name != '%' || getuserid(myname) != (int)getuid();
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const char *who = name[1] ? name + 1 : myname;
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static int shudclob;
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char tempname[PATHSIZE];
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if ((name = expand(name)) == NULL)
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return -1;
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if ((ibuf = Fopen(name, "r")) == NULL) {
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if (!isedit && errno == ENOENT)
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goto nomail;
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warn("%s", name);
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return -1;
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}
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if (fstat(fileno(ibuf), &stb) < 0) {
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warn("fstat");
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(void)Fclose(ibuf);
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return -1;
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}
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switch (stb.st_mode & S_IFMT) {
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case S_IFDIR:
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(void)Fclose(ibuf);
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errno = EISDIR;
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warn("%s", name);
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return -1;
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case S_IFREG:
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break;
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default:
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(void)Fclose(ibuf);
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errno = EINVAL;
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warn("%s", name);
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return -1;
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}
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/*
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* Looks like all will be well. We must now relinquish our
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* hold on the current set of stuff. Must hold signals
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* while we are reading the new file, else we will ruin
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* the message[] data structure.
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*/
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holdsigs();
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if (shudclob)
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quit();
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/*
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* Copy the messages into /tmp
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* and set pointers.
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*/
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readonly = 0;
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if ((i = open(name, O_WRONLY)) < 0)
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readonly++;
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else
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(void)close(i);
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if (shudclob) {
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(void)fclose(itf);
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(void)fclose(otf);
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}
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shudclob = 1;
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edit = isedit;
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(void)strcpy(prevfile, mailname);
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if (name != mailname)
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(void)strcpy(mailname, name);
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mailsize = fsize(ibuf);
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(void)snprintf(tempname, sizeof(tempname),
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"%s/mail.RxXXXXXXXXXX", tmpdir);
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if ((fd = mkstemp(tempname)) == -1 ||
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(otf = fdopen(fd, "w")) == NULL)
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err(1, "%s", tempname);
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(void)fcntl(fileno(otf), F_SETFD, FD_CLOEXEC);
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if ((itf = fopen(tempname, "r")) == NULL)
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err(1, "%s", tempname);
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(void)fcntl(fileno(itf), F_SETFD, FD_CLOEXEC);
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(void)rm(tempname);
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setptr(ibuf, (off_t)0);
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setmsize(get_abs_msgCount());
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/*
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* New mail may have arrived while we were reading
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* the mail file, so reset mailsize to be where
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* we really are in the file...
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*/
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mailsize = ftell(ibuf);
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(void)Fclose(ibuf);
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relsesigs();
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sawcom = 0;
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if (!edit && get_abs_msgCount() == 0) {
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nomail:
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(void)fprintf(stderr, "No mail for %s\n", who);
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return -1;
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}
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return 0;
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}
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/*
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* Incorporate any new mail that has arrived since we first
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* started reading mail.
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*/
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PUBLIC int
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incfile(void)
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{
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off_t newsize;
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int omsgCount;
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FILE *ibuf;
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omsgCount = get_abs_msgCount();
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ibuf = Fopen(mailname, "r");
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if (ibuf == NULL)
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return -1;
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holdsigs();
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newsize = fsize(ibuf);
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if (newsize == 0)
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return -1; /* mail box is now empty??? */
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if (newsize < mailsize)
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return -1; /* mail box has shrunk??? */
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if (newsize == mailsize)
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return 0; /* no new mail */
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setptr(ibuf, mailsize); /* read in new mail */
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setmsize(get_abs_msgCount()); /* get the new message count */
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mailsize = ftell(ibuf);
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(void)Fclose(ibuf);
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relsesigs();
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return get_abs_msgCount() - omsgCount;
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}
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/*
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* Return a pointer to the comment character, respecting quoting as
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* done in getrawlist(). The comment character is ignored inside
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* quotes.
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*/
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static char *
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comment_char(char *line)
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{
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char *p;
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char quotec;
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quotec = '\0';
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for (p = line; *p; p++) {
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if (quotec != '\0') {
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if (*p == quotec)
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quotec = '\0';
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}
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else if (*p == '"' || *p == '\'')
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quotec = *p;
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else if (*p == COMMENT_CHAR)
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return p;
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}
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return NULL;
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}
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/*
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* When we wake up after ^Z, reprint the prompt.
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*/
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static void
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stop(int s)
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{
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sig_t old_action = signal(s, SIG_DFL);
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sigset_t nset;
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(void)sigemptyset(&nset);
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(void)sigaddset(&nset, s);
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(void)sigprocmask(SIG_UNBLOCK, &nset, NULL);
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(void)kill(0, s);
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(void)sigprocmask(SIG_BLOCK, &nset, NULL);
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(void)signal(s, old_action);
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if (reset_on_stop) {
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reset_on_stop = 0;
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reset(0);
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}
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}
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/*
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* Signal handler is hooked by setup_piping().
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* Respond to a broken pipe signal --
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* probably caused by quitting more.
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*/
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static jmp_buf pipestop;
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/*ARGSUSED*/
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static void
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brokpipe(int signo __unused)
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{
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longjmp(pipestop, 1);
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}
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/*
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* Check the command line for any requested piping or redirection,
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* depending on the value of 'c'. If "enable-pipes" is set, search
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* the command line (cp) for the first occurrence of the character 'c'
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* that is not in a quote or (parenthese) group.
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*/
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PUBLIC char *
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shellpr(char *cp)
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{
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int quotec;
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int level;
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if (cp == NULL || value(ENAME_ENABLE_PIPES) == NULL)
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return NULL;
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level = 0;
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quotec = 0;
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for (/*EMPTY*/; *cp != '\0'; cp++) {
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if (quotec) {
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if (*cp == quotec)
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quotec = 0;
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if (*cp == '\\' &&
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(cp[1] == quotec || cp[1] == '\\'))
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cp++;
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}
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else {
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switch (*cp) {
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case '|':
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case '>':
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if (level == 0)
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return cp;
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break;
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case '(':
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level++;
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break;
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case ')':
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level--;
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break;
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case '"':
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case '\'':
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quotec = *cp;
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break;
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default:
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break;
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}
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}
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}
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return NULL;
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}
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/*
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* Setup any pipe or redirection that the command line indicates.
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* If none, then setup the pager unless "pager-off" is defined.
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*/
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static FILE *fp_stop = NULL;
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static int oldfd1 = -1;
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static int
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setup_piping(char *cmdline, int c_pipe)
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{
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FILE *fout;
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FILE *last_file;
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char *cp;
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last_file = last_registered_file(0);
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fout = NULL;
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if ((cp = shellpr(cmdline)) != NULL) {
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char c;
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c = *cp;
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*cp = '\0';
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cp++;
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if (c == '|') {
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if ((fout = Popen(cp, "w")) == NULL) {
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warn("Popen: %s", cp);
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return -1;
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}
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}
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else {
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const char *mode;
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assert(c == '>');
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mode = *cp == '>' ? "a" : "w";
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if (*cp == '>')
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cp++;
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cp = skip_blank(cp);
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if ((fout = Fopen(cp, mode)) == NULL) {
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warn("Fopen: %s", cp);
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return -1;
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}
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}
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}
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else if (value(ENAME_PAGER_OFF) == NULL && (c_pipe & C_PIPE_PAGER ||
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(c_pipe & C_PIPE_CRT && value(ENAME_CRT) != NULL))) {
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const char *pager;
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pager = value(ENAME_PAGER);
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if (pager == NULL || *pager == '\0')
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pager = _PATH_MORE;
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if ((fout = Popen(pager, "w")) == NULL) {
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warn("Popen: %s", pager);
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return -1;
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}
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}
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if (fout) {
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(void)signal(SIGPIPE, brokpipe);
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(void)fflush(stdout);
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if ((oldfd1 = dup(STDOUT_FILENO)) == -1)
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err(EXIT_FAILURE, "dup failed");
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if (dup2(fileno(fout), STDOUT_FILENO) == -1)
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err(EXIT_FAILURE, "dup2 failed");
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fp_stop = last_file;
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}
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return 0;
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}
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/*
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* This will close any piping started by setup_piping().
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*/
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static void
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close_piping(void)
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{
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if (oldfd1 != -1) {
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(void)fflush(stdout);
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if (fileno(stdout) != oldfd1 &&
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dup2(oldfd1, STDOUT_FILENO) == -1)
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err(EXIT_FAILURE, "dup2 failed");
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(void)signal(SIGPIPE, SIG_IGN);
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close_top_files(fp_stop);
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fp_stop = NULL;
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(void)close(oldfd1);
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oldfd1 = -1;
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(void)signal(SIGPIPE, SIG_DFL);
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}
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}
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/*
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* Determine if as1 is a valid prefix of as2.
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* Return true if yep.
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*/
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static int
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isprefix(char *as1, const char *as2)
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{
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char *s1;
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const char *s2;
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s1 = as1;
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s2 = as2;
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while (*s1++ == *s2)
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if (*s2++ == '\0')
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return 1;
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return *--s1 == '\0';
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}
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/*
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* Find the correct command in the command table corresponding
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* to the passed command "word"
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*/
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PUBLIC const struct cmd *
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lex(char word[])
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{
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const struct cmd *cp;
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for (cp = &cmdtab[0]; cp->c_name != NULL; cp++)
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if (isprefix(word, cp->c_name))
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return cp;
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return NULL;
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}
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PUBLIC char *
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get_cmdname(char *buf)
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{
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char *cp;
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char *cmd;
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size_t len;
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for (cp = buf; *cp; cp++)
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if (strchr(" \t0123456789$^.:/-+*'\">|", *cp) != NULL)
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break;
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/* XXX - Don't miss the pipe command! */
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if (cp == buf && *cp == '|')
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cp++;
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len = cp - buf + 1;
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cmd = salloc(len);
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(void)strlcpy(cmd, buf, len);
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return cmd;
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}
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/*
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* Execute a single command.
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* Command functions return 0 for success, 1 for error, and -1
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* for abort. A 1 or -1 aborts a load or source. A -1 aborts
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* the interactive command loop.
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* execute_contxt_e is in extern.h.
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*/
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PUBLIC int
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execute(char linebuf[], enum execute_contxt_e contxt)
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{
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char *word;
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char *arglist[MAXARGC];
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const struct cmd *com = NULL;
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char *volatile cp;
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int c;
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int e = 1;
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/*
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* Strip the white space away from the beginning
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* of the command, then scan out a word, which
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* consists of anything except digits and white space.
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*
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* Handle ! escapes differently to get the correct
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* lexical conventions.
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*/
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cp = skip_blank(linebuf);
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if (*cp == '!') {
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if (sourcing) {
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(void)printf("Can't \"!\" while sourcing\n");
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goto out;
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}
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(void)shell(cp + 1);
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return 0;
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}
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word = get_cmdname(cp);
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cp += strlen(word);
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/*
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* Look up the command; if not found, bitch.
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* Normally, a blank command would map to the
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* first command in the table; while sourcing,
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* however, we ignore blank lines to eliminate
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* confusion.
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*/
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if (sourcing && *word == '\0')
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return 0;
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com = lex(word);
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if (com == NULL) {
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(void)printf("Unknown command: \"%s\"\n", word);
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goto out;
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}
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/*
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* See if we should execute the command -- if a conditional
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* we always execute it, otherwise, check the state of cond.
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*/
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if ((com->c_argtype & F) == 0 && (cond & CSKIP))
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return 0;
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/*
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* Process the arguments to the command, depending
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* on the type he expects. Default to an error.
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* If we are sourcing an interactive command, it's
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* an error.
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*/
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if (mailmode == mm_sending && (com->c_argtype & M) == 0) {
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(void)printf("May not execute \"%s\" while sending\n",
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com->c_name);
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goto out;
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}
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if (sourcing && com->c_argtype & I) {
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(void)printf("May not execute \"%s\" while sourcing\n",
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com->c_name);
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goto out;
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}
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if (readonly && com->c_argtype & W) {
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(void)printf("May not execute \"%s\" -- message file is read only\n",
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com->c_name);
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goto out;
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}
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if (contxt == ec_composing && com->c_argtype & R) {
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(void)printf("Cannot recursively invoke \"%s\"\n", com->c_name);
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goto out;
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}
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if (!sourcing && com->c_pipe && value(ENAME_INTERACTIVE) != NULL) {
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if (setjmp(pipestop))
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goto out;
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if (setup_piping(cp, com->c_pipe) == -1)
|
|
goto out;
|
|
}
|
|
switch (com->c_argtype & ARGTYPE_MASK) {
|
|
case MSGLIST:
|
|
/*
|
|
* A message list defaulting to nearest forward
|
|
* legal message.
|
|
*/
|
|
if (msgvec == 0) {
|
|
(void)printf("Illegal use of \"message list\"\n");
|
|
break;
|
|
}
|
|
if ((c = getmsglist(cp, msgvec, com->c_msgflag)) < 0)
|
|
break;
|
|
if (c == 0) {
|
|
*msgvec = first(com->c_msgflag, com->c_msgmask);
|
|
msgvec[1] = 0;
|
|
}
|
|
if (*msgvec == 0) {
|
|
(void)printf("No applicable messages\n");
|
|
break;
|
|
}
|
|
e = (*com->c_func)(msgvec);
|
|
break;
|
|
|
|
case NDMLIST:
|
|
/*
|
|
* A message list with no defaults, but no error
|
|
* if none exist.
|
|
*/
|
|
if (msgvec == 0) {
|
|
(void)printf("Illegal use of \"message list\"\n");
|
|
break;
|
|
}
|
|
if (getmsglist(cp, msgvec, com->c_msgflag) < 0)
|
|
break;
|
|
e = (*com->c_func)(msgvec);
|
|
break;
|
|
|
|
case STRLIST:
|
|
/*
|
|
* Just the straight string, with
|
|
* leading blanks removed.
|
|
*/
|
|
while (isspace((unsigned char)*cp))
|
|
cp++;
|
|
e = (*com->c_func)(cp);
|
|
break;
|
|
|
|
case RAWLIST:
|
|
/*
|
|
* A vector of strings, in shell style.
|
|
*/
|
|
if ((c = getrawlist(cp, arglist,
|
|
sizeof arglist / sizeof *arglist)) < 0)
|
|
break;
|
|
if (c < com->c_minargs) {
|
|
(void)printf("%s requires at least %d arg(s)\n",
|
|
com->c_name, com->c_minargs);
|
|
break;
|
|
}
|
|
if (c > com->c_maxargs) {
|
|
(void)printf("%s takes no more than %d arg(s)\n",
|
|
com->c_name, com->c_maxargs);
|
|
break;
|
|
}
|
|
e = (*com->c_func)(arglist);
|
|
break;
|
|
|
|
case NOLIST:
|
|
/*
|
|
* Just the constant zero, for exiting,
|
|
* eg.
|
|
*/
|
|
e = (*com->c_func)(0);
|
|
break;
|
|
|
|
default:
|
|
errx(1, "Unknown argtype");
|
|
}
|
|
|
|
out:
|
|
close_piping();
|
|
|
|
/*
|
|
* Exit the current source file on
|
|
* error.
|
|
*/
|
|
if (e) {
|
|
if (e < 0)
|
|
return 1;
|
|
if (loading)
|
|
return 1;
|
|
if (sourcing)
|
|
(void)unstack();
|
|
return 0;
|
|
}
|
|
if (com == NULL)
|
|
return 0;
|
|
if (contxt != ec_autoprint && com->c_argtype & P &&
|
|
value(ENAME_AUTOPRINT) != NULL && (dot->m_flag & MDELETED) == 0)
|
|
(void)execute(__UNCONST("print ."), ec_autoprint);
|
|
if (!sourcing && (com->c_argtype & T) == 0)
|
|
sawcom = 1;
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* The following gets called on receipt of an interrupt. This is
|
|
* to abort printout of a command, mainly.
|
|
* Dispatching here when command() is inactive crashes rcv.
|
|
* Close all open files except 0, 1, 2, and the temporary.
|
|
* Also, unstack all source files.
|
|
*/
|
|
static int inithdr; /* am printing startup headers */
|
|
|
|
/*ARGSUSED*/
|
|
static void
|
|
intr(int s __unused)
|
|
{
|
|
noreset = 0;
|
|
if (!inithdr)
|
|
sawcom++;
|
|
inithdr = 0;
|
|
while (sourcing)
|
|
(void)unstack();
|
|
|
|
close_piping();
|
|
close_all_files();
|
|
|
|
if (image >= 0) {
|
|
(void)close(image);
|
|
image = -1;
|
|
}
|
|
(void)fprintf(stderr, "Interrupt\n");
|
|
reset(0);
|
|
}
|
|
|
|
/*
|
|
* Branch here on hangup signal and simulate "exit".
|
|
*/
|
|
/*ARGSUSED*/
|
|
static void
|
|
hangup(int s __unused)
|
|
{
|
|
/* nothing to do? */
|
|
exit(1);
|
|
}
|
|
|
|
/*
|
|
* Interpret user commands one by one. If standard input is not a tty,
|
|
* print no prompt.
|
|
*/
|
|
PUBLIC void
|
|
commands(void)
|
|
{
|
|
int n;
|
|
char linebuf[LINESIZE];
|
|
int eofloop;
|
|
|
|
if (!sourcing) {
|
|
if (signal(SIGINT, SIG_IGN) != SIG_IGN)
|
|
(void)signal(SIGINT, intr);
|
|
if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
|
|
(void)signal(SIGHUP, hangup);
|
|
(void)signal(SIGTSTP, stop);
|
|
(void)signal(SIGTTOU, stop);
|
|
(void)signal(SIGTTIN, stop);
|
|
}
|
|
setexit(); /* defined as (void)setjmp(srbuf) in def.h */
|
|
eofloop = 0; /* initialize this after a possible longjmp */
|
|
for (;;) {
|
|
(void)fflush(stdout);
|
|
sreset();
|
|
/*
|
|
* Print the prompt, if needed. Clear out
|
|
* string space, and flush the output.
|
|
*/
|
|
if (!sourcing && value(ENAME_INTERACTIVE) != NULL) {
|
|
if ((prompt = value(ENAME_PROMPT)) == NULL)
|
|
prompt = DEFAULT_PROMPT;
|
|
prompt = smsgprintf(prompt, dot);
|
|
if ((value(ENAME_AUTOINC) != NULL) && (incfile() > 0))
|
|
(void)printf("New mail has arrived.\n");
|
|
reset_on_stop = 1;
|
|
#ifndef USE_EDITLINE
|
|
(void)printf("%s", prompt);
|
|
#endif
|
|
}
|
|
/*
|
|
* Read a line of commands from the current input
|
|
* and handle end of file specially.
|
|
*/
|
|
n = 0;
|
|
for (;;) {
|
|
#ifdef USE_EDITLINE
|
|
if (!sourcing) {
|
|
char *line;
|
|
if ((line = my_gets(&elm.command, prompt, NULL)) == NULL) {
|
|
if (n == 0)
|
|
n = -1;
|
|
break;
|
|
}
|
|
(void)strlcpy(linebuf, line, sizeof(linebuf));
|
|
setscreensize(); /* so we can resize a window */
|
|
}
|
|
else {
|
|
if (mail_readline(input, &linebuf[n], LINESIZE - n) < 0) {
|
|
if (n == 0)
|
|
n = -1;
|
|
break;
|
|
}
|
|
}
|
|
#else /* USE_EDITLINE */
|
|
if (mail_readline(input, &linebuf[n], LINESIZE - n) < 0) {
|
|
if (n == 0)
|
|
n = -1;
|
|
break;
|
|
}
|
|
#endif /* USE_EDITLINE */
|
|
|
|
if (sourcing) { /* allow comments in source files */
|
|
char *ptr;
|
|
if ((ptr = comment_char(linebuf)) != NULL)
|
|
*ptr = '\0';
|
|
}
|
|
if ((n = strlen(linebuf)) == 0)
|
|
break;
|
|
n--;
|
|
if (linebuf[n] != '\\')
|
|
break;
|
|
linebuf[n++] = ' ';
|
|
}
|
|
reset_on_stop = 0;
|
|
if (n < 0) {
|
|
/* eof */
|
|
if (loading)
|
|
break;
|
|
if (sourcing) {
|
|
(void)unstack();
|
|
continue;
|
|
}
|
|
#ifdef USE_EDITLINE
|
|
{
|
|
char *p;
|
|
if (value(ENAME_INTERACTIVE) != NULL &&
|
|
(p = value(ENAME_IGNOREEOF)) != NULL &&
|
|
++eofloop < (*p == '\0' ? 25 : atoi(p))) {
|
|
(void)printf("Use \"quit\" to quit.\n");
|
|
continue;
|
|
}
|
|
}
|
|
#else
|
|
if (value(ENAME_INTERACTIVE) != NULL &&
|
|
value(ENAME_IGNOREEOF) != NULL &&
|
|
++eofloop < 25) {
|
|
(void)printf("Use \"quit\" to quit.\n");
|
|
continue;
|
|
}
|
|
#endif
|
|
break;
|
|
}
|
|
eofloop = 0;
|
|
if (execute(linebuf, ec_normal))
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Announce information about the file we are editing.
|
|
* Return a likely place to set dot.
|
|
*/
|
|
PUBLIC int
|
|
newfileinfo(int omsgCount)
|
|
{
|
|
struct message *mp;
|
|
int d, n, s, t, u, mdot;
|
|
char fname[PATHSIZE];
|
|
char *ename;
|
|
|
|
/*
|
|
* Figure out where to set the 'dot'. Use the first new or
|
|
* unread message.
|
|
*/
|
|
for (mp = get_abs_message(omsgCount + 1); mp;
|
|
mp = next_abs_message(mp))
|
|
if (mp->m_flag & MNEW)
|
|
break;
|
|
|
|
if (mp == NULL)
|
|
for (mp = get_abs_message(omsgCount + 1); mp;
|
|
mp = next_abs_message(mp))
|
|
if ((mp->m_flag & MREAD) == 0)
|
|
break;
|
|
if (mp != NULL)
|
|
mdot = get_msgnum(mp);
|
|
else
|
|
mdot = omsgCount + 1;
|
|
#ifdef THREAD_SUPPORT
|
|
/*
|
|
* See if the message is in the current thread.
|
|
*/
|
|
if (mp != NULL && get_message(1) != NULL && get_message(mdot) != mp)
|
|
mdot = 0;
|
|
#endif
|
|
/*
|
|
* Scan the message array counting the new, unread, deleted,
|
|
* and saved messages.
|
|
*/
|
|
d = n = s = t = u = 0;
|
|
for (mp = get_abs_message(1); mp; mp = next_abs_message(mp)) {
|
|
if (mp->m_flag & MNEW)
|
|
n++;
|
|
if ((mp->m_flag & MREAD) == 0)
|
|
u++;
|
|
if (mp->m_flag & MDELETED)
|
|
d++;
|
|
if (mp->m_flag & MSAVED)
|
|
s++;
|
|
if (mp->m_flag & MTAGGED)
|
|
t++;
|
|
}
|
|
ename = mailname;
|
|
if (getfold(fname, sizeof(fname)) >= 0) {
|
|
char zname[PATHSIZE];
|
|
size_t l;
|
|
l = strlen(fname);
|
|
if (l < sizeof(fname) - 1)
|
|
fname[l++] = '/';
|
|
if (strncmp(fname, mailname, l) == 0) {
|
|
(void)snprintf(zname, sizeof(zname), "+%s",
|
|
mailname + l);
|
|
ename = zname;
|
|
}
|
|
}
|
|
/*
|
|
* Display the statistics.
|
|
*/
|
|
(void)printf("\"%s\": ", ename);
|
|
{
|
|
int cnt = get_abs_msgCount();
|
|
(void)printf("%d message%s", cnt, cnt == 1 ? "" : "s");
|
|
}
|
|
if (n > 0)
|
|
(void)printf(" %d new", n);
|
|
if (u-n > 0)
|
|
(void)printf(" %d unread", u);
|
|
if (t > 0)
|
|
(void)printf(" %d tagged", t);
|
|
if (d > 0)
|
|
(void)printf(" %d deleted", d);
|
|
if (s > 0)
|
|
(void)printf(" %d saved", s);
|
|
if (readonly)
|
|
(void)printf(" [Read only]");
|
|
(void)printf("\n");
|
|
|
|
return mdot;
|
|
}
|
|
|
|
/*
|
|
* Announce the presence of the current Mail version,
|
|
* give the message count, and print a header listing.
|
|
*/
|
|
PUBLIC void
|
|
announce(void)
|
|
{
|
|
int vec[2], mdot;
|
|
|
|
mdot = newfileinfo(0);
|
|
vec[0] = mdot;
|
|
vec[1] = 0;
|
|
if ((dot = get_message(mdot)) == NULL)
|
|
dot = get_abs_message(1); /* make sure we get something! */
|
|
if (get_abs_msgCount() > 0 && value(ENAME_NOHEADER) == NULL) {
|
|
inithdr++;
|
|
(void)headers(vec);
|
|
inithdr = 0;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Print the current version number.
|
|
*/
|
|
|
|
/*ARGSUSED*/
|
|
PUBLIC int
|
|
pversion(void *v __unused)
|
|
{
|
|
(void)printf("Version %s\n", version);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Load a file of user definitions.
|
|
*/
|
|
PUBLIC void
|
|
load(const char *name)
|
|
{
|
|
FILE *in, *oldin;
|
|
|
|
if ((in = Fopen(name, "r")) == NULL)
|
|
return;
|
|
oldin = input;
|
|
input = in;
|
|
loading = 1;
|
|
sourcing = 1;
|
|
commands();
|
|
loading = 0;
|
|
sourcing = 0;
|
|
input = oldin;
|
|
(void)Fclose(in);
|
|
}
|