GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/mail/cmd2.c Lines: 0 158 0.0 %
Date: 2017-11-13 Branches: 0 98 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: cmd2.c,v 1.22 2015/10/16 17:56:07 mmcc Exp $	*/
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/*	$NetBSD: cmd2.c,v 1.7 1997/05/17 19:55:10 pk Exp $	*/
3
4
/*
5
 * Copyright (c) 1980, 1993
6
 *	The Regents of the University of California.  All rights reserved.
7
 *
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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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33
#include "rcv.h"
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#include <sys/wait.h>
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#include "extern.h"
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37
/*
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 * Mail -- a mail program
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 *
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 * More user commands.
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 */
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static int igcomp(const void *, const void *);
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44
/*
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 * If any arguments were given, go to the next applicable argument
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 * following dot, otherwise, go to the next applicable message.
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 * If given as first command with no arguments, print first message.
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 */
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int
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next(void *v)
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{
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	struct message *mp;
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	int *msgvec = v;
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	int *ip, *ip2, list[2], mdot;
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56
	if (*msgvec != 0) {
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		/*
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		 * If some messages were supplied, find the
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		 * first applicable one following dot using
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		 * wrap around.
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		 */
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		mdot = dot - &message[0] + 1;
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64
		/*
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		 * Find the first message in the supplied
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		 * message list which follows dot.
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		 */
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		for (ip = msgvec; *ip != 0; ip++)
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			if (*ip > mdot)
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				break;
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		if (*ip == 0)
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			ip = msgvec;
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		ip2 = ip;
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		do {
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			mp = &message[*ip2 - 1];
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			if ((mp->m_flag & MDELETED) == 0) {
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				dot = mp;
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				goto hitit;
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			}
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			if (*ip2 != 0)
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				ip2++;
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			if (*ip2 == 0)
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				ip2 = msgvec;
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		} while (ip2 != ip);
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		puts("No messages applicable");
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		return(1);
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	}
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89
	/*
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	 * If this is the first command, select message 1.
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	 * Note that this must exist for us to get here at all.
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	 */
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	if (!sawcom)
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		goto hitit;
95
96
	/*
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	 * Just find the next good message after dot, no
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	 * wraparound.
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	 */
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	for (mp = dot+1; mp < &message[msgCount]; mp++)
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		if ((mp->m_flag & (MDELETED|MSAVED)) == 0)
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			break;
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	if (mp >= &message[msgCount]) {
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		puts("At EOF");
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		return(0);
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	}
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	dot = mp;
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hitit:
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	/*
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	 * Print dot.
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	 */
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	list[0] = dot - &message[0] + 1;
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	list[1] = 0;
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	return(type(list));
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}
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/*
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 * Save a message in a file.  Mark the message as saved
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 * so we can discard when the user quits.
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 */
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int
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save(void *v)
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{
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	char *str = v;
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126
	return(save1(str, 1, "save", saveignore));
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}
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129
/*
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 * Copy a message to a file without affected its saved-ness
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 */
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int
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copycmd(void *v)
134
{
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	char *str = v;
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137
	return(save1(str, 0, "copy", saveignore));
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}
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140
/*
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 * Save/copy the indicated messages at the end of the passed file name.
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 * If mark is true, mark the message "saved."
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 */
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int
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save1(char *str, int mark, char *cmd, struct ignoretab *ignore)
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{
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	struct message *mp;
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	char *file, *disp;
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	int f, *msgvec, *ip;
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	FILE *obuf;
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152
	msgvec = (int *)salloc((msgCount + 2) * sizeof(*msgvec));
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	if ((file = snarf(str, &f)) == NULL)
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		return(1);
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	if (!f) {
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		*msgvec = first(0, MMNORM);
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		if (*msgvec == 0) {
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			printf("No messages to %s.\n", cmd);
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			return(1);
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		}
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		msgvec[1] = 0;
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	}
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	if (f && getmsglist(str, msgvec, 0) < 0)
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		return(1);
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	if ((file = expand(file)) == NULL)
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		return(1);
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	printf("\"%s\" ", file);
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	fflush(stdout);
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	if (access(file, F_OK) >= 0)
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		disp = "[Appended]";
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	else
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		disp = "[New file]";
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	if ((obuf = Fopen(file, "a")) == NULL) {
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		warn(NULL);
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		return(1);
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	}
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	for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) {
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		mp = &message[*ip - 1];
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		touch(mp);
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		if (sendmessage(mp, obuf, ignore, NULL) < 0) {
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			warn("%s", file);
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			(void)Fclose(obuf);
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			return(1);
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		}
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		if (mark)
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			mp->m_flag |= MSAVED;
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	}
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	fflush(obuf);
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	if (ferror(obuf))
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		warn("%s", file);
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	(void)Fclose(obuf);
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	printf("%s\n", disp);
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	return(0);
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}
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196
/*
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 * Write the indicated messages at the end of the passed
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 * file name, minus header and trailing blank line.
199
 */
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int
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swrite(void *v)
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{
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	char *str = v;
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205
	return(save1(str, 1, "write", ignoreall));
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}
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208
/*
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 * Snarf the file from the end of the command line and
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 * return a pointer to it.  If there is no file attached,
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 * just return NULL.  Put a null in front of the file
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 * name so that the message list processing won't see it,
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 * unless the file name is the only thing on the line, in
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 * which case, return 0 in the reference flag variable.
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 */
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char *
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snarf(char *linebuf, int *flag)
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{
219
	char *cp;
220
221
	*flag = 1;
222
	cp = strlen(linebuf) + linebuf - 1;
223
224
	/*
225
	 * Strip away trailing blanks.
226
	 */
227
	while (cp > linebuf && isspace((unsigned char)*cp))
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		cp--;
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	*++cp = 0;
230
231
	/*
232
	 * Now search for the beginning of the file name.
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	 */
234
	while (cp > linebuf && !isspace((unsigned char)*cp))
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		cp--;
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	if (*cp == '\0') {
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		puts("No file specified.");
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		return(NULL);
239
	}
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	if (isspace((unsigned char)*cp))
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		*cp++ = 0;
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	else
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		*flag = 0;
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	return(cp);
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}
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247
/*
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 * Delete messages.
249
 */
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int
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deletecmd(void *v)
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{
253
	int *msgvec = v;
254
255
	delm(msgvec);
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	return(0);
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}
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259
/*
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 * Delete messages, then type the new dot.
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 */
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int
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deltype(void *v)
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{
265
	int *msgvec = v;
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	int list[2];
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	int lastdot;
268
269
	lastdot = dot - &message[0] + 1;
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	if (delm(msgvec) >= 0) {
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		list[0] = dot - &message[0] + 1;
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		if (list[0] > lastdot) {
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			touch(dot);
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			list[1] = 0;
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			return(type(list));
276
		}
277
		puts("At EOF");
278
	} else
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		puts("No more messages");
280
	return(0);
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}
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283
/*
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 * Delete the indicated messages.
285
 * Set dot to some nice place afterwards.
286
 * Internal interface.
287
 */
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int
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delm(int *msgvec)
290
{
291
	struct message *mp;
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	int *ip, last;
293
294
	last = 0;
295
	for (ip = msgvec; *ip != 0; ip++) {
296
		mp = &message[*ip - 1];
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		touch(mp);
298
		mp->m_flag |= MDELETED|MTOUCH;
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		mp->m_flag &= ~(MPRESERVE|MSAVED|MBOX);
300
		last = *ip;
301
	}
302
	if (last != 0) {
303
		dot = &message[last-1];
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		last = first(0, MDELETED);
305
		if (last != 0) {
306
			dot = &message[last-1];
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			return(0);
308
		}
309
		else {
310
			dot = &message[0];
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			return(-1);
312
		}
313
	}
314
315
	/*
316
	 * Following can't happen
317
	 */
318
	return(-1);
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}
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321
/*
322
 * Undelete the indicated messages.
323
 */
324
int
325
undeletecmd(void *v)
326
{
327
	int *msgvec = v;
328
	int *ip;
329
	struct message *mp;
330
331
	for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) {
332
		mp = &message[*ip - 1];
333
		touch(mp);
334
		dot = mp;
335
		mp->m_flag &= ~MDELETED;
336
	}
337
	return(0);
338
}
339
340
/*
341
 * Add the given header fields to the retained list.
342
 * If no arguments, print the current list of retained fields.
343
 */
344
int
345
retfield(void *v)
346
{
347
	char **list = v;
348
349
	return(ignore1(list, ignore + 1, "retained"));
350
}
351
352
/*
353
 * Add the given header fields to the ignored list.
354
 * If no arguments, print the current list of ignored fields.
355
 */
356
int
357
igfield(void *v)
358
{
359
	char **list = v;
360
361
	return(ignore1(list, ignore, "ignored"));
362
}
363
364
int
365
saveretfield(void *v)
366
{
367
	char **list = v;
368
369
	return(ignore1(list, saveignore + 1, "retained"));
370
}
371
372
int
373
saveigfield(void *v)
374
{
375
	char **list = v;
376
377
	return(ignore1(list, saveignore, "ignored"));
378
}
379
380
int
381
ignore1(char **list, struct ignoretab *tab, char *which)
382
{
383
	char field[LINESIZE];
384
	char **ap;
385
	struct ignore *igp;
386
	int h;
387
388
	if (*list == NULL)
389
		return(igshow(tab, which));
390
	for (ap = list; *ap != 0; ap++) {
391
		istrlcpy(field, *ap, sizeof(field));
392
		if (member(field, tab))
393
			continue;
394
		h = hash(field);
395
		igp = calloc(1, sizeof(struct ignore));
396
		if (igp == NULL)
397
			err(1, "calloc");
398
		igp->i_field = strdup(field);
399
		if (igp->i_field == NULL)
400
			err(1, "strdup");
401
		igp->i_link = tab->i_head[h];
402
		tab->i_head[h] = igp;
403
		tab->i_count++;
404
	}
405
	return(0);
406
}
407
408
/*
409
 * Print out all currently retained fields.
410
 */
411
int
412
igshow(struct ignoretab *tab, char *which)
413
{
414
	int h;
415
	struct ignore *igp;
416
	char **ap, **ring;
417
418
	if (tab->i_count == 0) {
419
		printf("No fields currently being %s.\n", which);
420
		return(0);
421
	}
422
	ring = (char **)salloc((tab->i_count + 1) * sizeof(char *));
423
	ap = ring;
424
	for (h = 0; h < HSHSIZE; h++)
425
		for (igp = tab->i_head[h]; igp != 0; igp = igp->i_link)
426
			*ap++ = igp->i_field;
427
	*ap = 0;
428
	qsort(ring, tab->i_count, sizeof(char *), igcomp);
429
	for (ap = ring; *ap != 0; ap++)
430
		puts(*ap);
431
	return(0);
432
}
433
434
/*
435
 * Compare two names for sorting ignored field list.
436
 */
437
static int
438
igcomp(const void *l, const void *r)
439
{
440
441
	return(strcmp(*(char **)l, *(char **)r));
442
}