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Annotation of src/usr.bin/mail/temp.c, Revision 1.1.1.1

1.1       deraadt     1: /*
                      2:  * Copyright (c) 1980, 1993
                      3:  *     The Regents of the University of California.  All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      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:  * 3. All advertising materials mentioning features or use of this software
                     14:  *    must display the following acknowledgement:
                     15:  *     This product includes software developed by the University of
                     16:  *     California, Berkeley and its contributors.
                     17:  * 4. Neither the name of the University nor the names of its contributors
                     18:  *    may be used to endorse or promote products derived from this software
                     19:  *    without specific prior written permission.
                     20:  *
                     21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     31:  * SUCH DAMAGE.
                     32:  */
                     33:
                     34: #ifndef lint
                     35: static char sccsid[] = "from: @(#)temp.c       8.1 (Berkeley) 6/6/93";
                     36: static char rcsid[] = "$Id: temp.c,v 1.4 1994/11/28 20:03:40 jtc Exp $";
                     37: #endif /* not lint */
                     38:
                     39: #include "rcv.h"
                     40: #include <errno.h>
                     41: #include "extern.h"
                     42:
                     43: /*
                     44:  * Mail -- a mail program
                     45:  *
                     46:  * Give names to all the temporary files that we will need.
                     47:  */
                     48:
                     49: char   *tempMail;
                     50: char   *tempQuit;
                     51: char   *tempEdit;
                     52: char   *tempResid;
                     53: char   *tempMesg;
                     54: char   *tmpdir;
                     55:
                     56: void
                     57: tinit()
                     58: {
                     59:        register char *cp;
                     60:        int len;
                     61:
                     62:        if ((tmpdir = getenv("TMPDIR")) == NULL) {
                     63:                tmpdir = _PATH_TMP;
                     64:        }
                     65:
                     66:        tempMail  = tempnam (tmpdir, "Rs");
                     67:        tempResid = tempnam (tmpdir, "Rq");
                     68:        tempQuit  = tempnam (tmpdir, "Rm");
                     69:        tempEdit  = tempnam (tmpdir, "Re");
                     70:        tempMesg  = tempnam (tmpdir, "Rx");
                     71:
                     72:        /*
                     73:         * It's okay to call savestr in here because main will
                     74:         * do a spreserve() after us.
                     75:         */
                     76:        if (myname != NOSTR) {
                     77:                if (getuserid(myname) < 0) {
                     78:                        printf("\"%s\" is not a user of this system\n",
                     79:                            myname);
                     80:                        exit(1);
                     81:                }
                     82:        } else {
                     83:                if ((cp = username()) == NOSTR) {
                     84:                        myname = "ubluit";
                     85:                        if (rcvmode) {
                     86:                                printf("Who are you!?\n");
                     87:                                exit(1);
                     88:                        }
                     89:                } else
                     90:                        myname = savestr(cp);
                     91:        }
                     92:        if ((cp = getenv("HOME")) == NOSTR)
                     93:                cp = ".";
                     94:        homedir = savestr(cp);
                     95:        if (debug)
                     96:                printf("user = %s, homedir = %s\n", myname, homedir);
                     97: }