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Annotation of src/usr.bin/mail/temp.c, Revision 1.5

1.5     ! millert     1: /*     $OpenBSD: temp.c,v 1.4 1996/10/28 00:42:21 millert Exp $        */
1.2       deraadt     2: /*     $NetBSD: temp.c,v 1.5 1996/06/08 19:48:42 christos Exp $        */
                      3:
1.1       deraadt     4: /*
                      5:  * Copyright (c) 1980, 1993
                      6:  *     The Regents of the University of California.  All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. All advertising materials mentioning features or use of this software
                     17:  *    must display the following acknowledgement:
                     18:  *     This product includes software developed by the University of
                     19:  *     California, Berkeley and its contributors.
                     20:  * 4. Neither the name of the University nor the names of its contributors
                     21:  *    may be used to endorse or promote products derived from this software
                     22:  *    without specific prior written permission.
                     23:  *
                     24:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     25:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     26:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     27:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     28:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     29:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     30:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     31:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     32:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     33:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     34:  * SUCH DAMAGE.
                     35:  */
                     36:
                     37: #ifndef lint
1.2       deraadt    38: #if 0
                     39: static char sccsid[] = "@(#)temp.c     8.1 (Berkeley) 6/6/93";
                     40: #else
1.5     ! millert    41: static char rcsid[] = "$OpenBSD: temp.c,v 1.4 1996/10/28 00:42:21 millert Exp $";
1.2       deraadt    42: #endif
1.1       deraadt    43: #endif /* not lint */
                     44:
                     45: #include "rcv.h"
                     46: #include <errno.h>
                     47: #include "extern.h"
                     48:
                     49: /*
                     50:  * Mail -- a mail program
                     51:  *
                     52:  * Give names to all the temporary files that we will need.
                     53:  */
                     54:
                     55: char   *tempMail;
                     56: char   *tempQuit;
                     57: char   *tempEdit;
                     58: char   *tempResid;
                     59: char   *tempMesg;
                     60: char   *tmpdir;
                     61:
                     62: void
                     63: tinit()
                     64: {
                     65:        register char *cp;
                     66:
1.5     ! millert    67:        if ((tmpdir = getenv("TMPDIR")) == NULL || *tmpdir == '\0')
1.1       deraadt    68:                tmpdir = _PATH_TMP;
1.5     ! millert    69:        if ((tmpdir = strdup(tmpdir)) == NULL)
        !            70:                panic("Out of memory");
        !            71:
        !            72:        /* Strip trailing '/' if necesary */
        !            73:        cp = tmpdir + strlen(tmpdir) - 1;
        !            74:        while (cp > tmpdir && *cp == '/') {
        !            75:                *cp = '\0';
        !            76:                cp--;
1.1       deraadt    77:        }
                     78:
1.3       deraadt    79:        tempMail  = tempnam(tmpdir, "Rs");
                     80:        tempResid = tempnam(tmpdir, "Rq");
                     81:        tempQuit  = tempnam(tmpdir, "Rm");
                     82:        tempEdit  = tempnam(tmpdir, "Re");
                     83:        tempMesg  = tempnam(tmpdir, "Rx");
1.1       deraadt    84:
                     85:        /*
                     86:         * It's okay to call savestr in here because main will
                     87:         * do a spreserve() after us.
                     88:         */
                     89:        if (myname != NOSTR) {
                     90:                if (getuserid(myname) < 0) {
                     91:                        printf("\"%s\" is not a user of this system\n",
                     92:                            myname);
                     93:                        exit(1);
                     94:                }
                     95:        } else {
                     96:                if ((cp = username()) == NOSTR) {
1.2       deraadt    97:                        myname = "nobody";
                     98:                        if (rcvmode)
1.1       deraadt    99:                                exit(1);
                    100:                } else
                    101:                        myname = savestr(cp);
                    102:        }
1.4       millert   103:        if ((cp = getenv("HOME")) == NOSTR || strlen(getenv("HOME")) >= PATHSIZE)
1.1       deraadt   104:                cp = ".";
                    105:        homedir = savestr(cp);
                    106:        if (debug)
                    107:                printf("user = %s, homedir = %s\n", myname, homedir);
                    108: }