freebsd-nq/usr.bin/mail/temp.c
2010-12-19 16:25:23 +00:00

89 lines
2.7 KiB
C

/*
* Copyright (c) 1980, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
#if 0
static char sccsid[] = "@(#)temp.c 8.1 (Berkeley) 6/6/93";
#endif
#endif /* not lint */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "rcv.h"
#include "extern.h"
/*
* Mail -- a mail program
*
* Give names to all the temporary files that we will need.
*/
char *tmpdir;
void
tinit(void)
{
char *cp;
if ((tmpdir = getenv("TMPDIR")) == NULL || *tmpdir == '\0')
tmpdir = _PATH_TMP;
if ((tmpdir = strdup(tmpdir)) == NULL)
errx(1, "Out of memory");
/* Strip trailing '/' if necessary */
cp = tmpdir + strlen(tmpdir) - 1;
while (cp > tmpdir && *cp == '/') {
*cp = '\0';
cp--;
}
/*
* It's okay to call savestr in here because main will
* do a spreserve() after us.
*/
if (myname != NULL) {
if (getuserid(myname) < 0)
errx(1, "\"%s\" is not a user of this system", myname);
} else {
if ((cp = username()) == NULL) {
myname = "ubluit";
if (rcvmode)
errx(1, "Who are you!?");
} else
myname = savestr(cp);
}
if ((cp = getenv("HOME")) == NULL || *cp == '\0' ||
strlen(cp) >= PATHSIZE)
homedir = NULL;
else
homedir = savestr(cp);
if (debug)
printf("user = %s, homedir = %s\n", myname,
homedir ? homedir : "NONE");
}