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Annotation of src/usr.bin/mail/temp.c, Revision 1.14

1.14    ! millert     1: /*     $OpenBSD: temp.c,v 1.13 2002/01/24 23:01:19 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.
1.14    ! millert    16:  * 3. Neither the name of the University nor the names of its contributors
1.1       deraadt    17:  *    may be used to endorse or promote products derived from this software
                     18:  *    without specific prior written permission.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  */
                     32:
                     33: #ifndef lint
1.2       deraadt    34: #if 0
1.12      millert    35: static const char sccsid[] = "@(#)temp.c       8.1 (Berkeley) 6/6/93";
1.2       deraadt    36: #else
1.14    ! millert    37: static const char rcsid[] = "$OpenBSD: temp.c,v 1.13 2002/01/24 23:01:19 millert Exp $";
1.2       deraadt    38: #endif
1.1       deraadt    39: #endif /* not lint */
                     40:
                     41: #include "rcv.h"
                     42: #include "extern.h"
                     43:
                     44: /*
                     45:  * Mail -- a mail program
                     46:  *
                     47:  * Give names to all the temporary files that we will need.
                     48:  */
                     49:
1.12      millert    50: char *tmpdir;
1.1       deraadt    51:
                     52: void
1.12      millert    53: tinit(void)
1.1       deraadt    54: {
1.10      millert    55:        char *cp;
1.1       deraadt    56:
1.5       millert    57:        if ((tmpdir = getenv("TMPDIR")) == NULL || *tmpdir == '\0')
1.1       deraadt    58:                tmpdir = _PATH_TMP;
1.5       millert    59:        if ((tmpdir = strdup(tmpdir)) == NULL)
1.10      millert    60:                errx(1, "Out of memory");
1.5       millert    61:
1.13      millert    62:        /* Strip trailing '/' if necessary */
1.5       millert    63:        cp = tmpdir + strlen(tmpdir) - 1;
                     64:        while (cp > tmpdir && *cp == '/') {
                     65:                *cp = '\0';
                     66:                cp--;
1.1       deraadt    67:        }
                     68:
                     69:        /*
                     70:         * It's okay to call savestr in here because main will
                     71:         * do a spreserve() after us.
                     72:         */
1.7       millert    73:        if (myname != NULL) {
1.12      millert    74:                if (getuserid(myname) == UID_MAX)
1.6       millert    75:                        errx(1, "\"%s\" is not a user of this system", myname);
1.1       deraadt    76:        } else {
1.7       millert    77:                if ((cp = username()) == NULL) {
1.2       deraadt    78:                        myname = "nobody";
                     79:                        if (rcvmode)
1.1       deraadt    80:                                exit(1);
                     81:                } else
                     82:                        myname = savestr(cp);
                     83:        }
1.11      millert    84:        if ((cp = getenv("HOME")) == NULL || *cp == '\0' ||
                     85:            strlen(cp) >= PATHSIZE)
                     86:                homedir = NULL;
                     87:        else
                     88:                homedir = savestr(cp);
1.1       deraadt    89:        if (debug)
1.11      millert    90:                printf("user = %s, homedir = %s\n", myname,
                     91:                    homedir ? homedir : "NONE");
1.1       deraadt    92: }