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Annotation of src/usr.bin/mail/temp.c, Revision 1.11

1.11    ! millert     1: /*     $OpenBSD: temp.c,v 1.10 1997/11/14 00:23:59 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
1.11    ! millert    41: static char rcsid[] = "$OpenBSD: temp.c,v 1.10 1997/11/14 00:23:59 millert Exp $";
1.2       deraadt    42: #endif
1.1       deraadt    43: #endif /* not lint */
                     44:
                     45: #include "rcv.h"
                     46: #include "extern.h"
                     47:
                     48: /*
                     49:  * Mail -- a mail program
                     50:  *
                     51:  * Give names to all the temporary files that we will need.
                     52:  */
                     53:
                     54: char   *tmpdir;
                     55:
                     56: void
                     57: tinit()
                     58: {
1.10      millert    59:        char *cp;
1.1       deraadt    60:
1.5       millert    61:        if ((tmpdir = getenv("TMPDIR")) == NULL || *tmpdir == '\0')
1.1       deraadt    62:                tmpdir = _PATH_TMP;
1.5       millert    63:        if ((tmpdir = strdup(tmpdir)) == NULL)
1.10      millert    64:                errx(1, "Out of memory");
1.5       millert    65:
                     66:        /* Strip trailing '/' if necesary */
                     67:        cp = tmpdir + strlen(tmpdir) - 1;
                     68:        while (cp > tmpdir && *cp == '/') {
                     69:                *cp = '\0';
                     70:                cp--;
1.1       deraadt    71:        }
                     72:
                     73:        /*
                     74:         * It's okay to call savestr in here because main will
                     75:         * do a spreserve() after us.
                     76:         */
1.7       millert    77:        if (myname != NULL) {
1.6       millert    78:                if (getuserid(myname) < 0)
                     79:                        errx(1, "\"%s\" is not a user of this system", myname);
1.1       deraadt    80:        } else {
1.7       millert    81:                if ((cp = username()) == NULL) {
1.2       deraadt    82:                        myname = "nobody";
                     83:                        if (rcvmode)
1.1       deraadt    84:                                exit(1);
                     85:                } else
                     86:                        myname = savestr(cp);
                     87:        }
1.11    ! millert    88:        if ((cp = getenv("HOME")) == NULL || *cp == '\0' ||
        !            89:            strlen(cp) >= PATHSIZE)
        !            90:                homedir = NULL;
        !            91:        else
        !            92:                homedir = savestr(cp);
1.1       deraadt    93:        if (debug)
1.11    ! millert    94:                printf("user = %s, homedir = %s\n", myname,
        !            95:                    homedir ? homedir : "NONE");
1.1       deraadt    96: }