1 /* $OpenBSD: temp.c,v 1.10 1997/11/14 00:23:59 millert Exp $ */ 2 /* $NetBSD: temp.c,v 1.5 1996/06/08 19:48:42 christos Exp $ */ 3 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 38 #if 0 39 static char sccsid[] = "@(#)temp.c 8.1 (Berkeley) 6/6/93"; 40 #else 41 static char rcsid[] = "$OpenBSD: temp.c,v 1.10 1997/11/14 00:23:59 millert Exp $"; 42 #endif 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 { 59 char *cp; 60 61 if ((tmpdir = getenv("TMPDIR")) == NULL || *tmpdir == '\0') 62 tmpdir = _PATH_TMP; 63 if ((tmpdir = strdup(tmpdir)) == NULL) 64 errx(1, "Out of memory"); 65 66 /* Strip trailing '/' if necesary */ 67 cp = tmpdir + strlen(tmpdir) - 1; 68 while (cp > tmpdir && *cp == '/') { 69 *cp = '\0'; 70 cp--; 71 } 72 73 /* 74 * It's okay to call savestr in here because main will 75 * do a spreserve() after us. 76 */ 77 if (myname != NULL) { 78 if (getuserid(myname) < 0) 79 errx(1, "\"%s\" is not a user of this system", myname); 80 } else { 81 if ((cp = username()) == NULL) { 82 myname = "nobody"; 83 if (rcvmode) 84 exit(1); 85 } else 86 myname = savestr(cp); 87 } 88 if ((cp = getenv("HOME")) == NULL || strlen(getenv("HOME")) >= PATHSIZE) 89 cp = "."; 90 homedir = savestr(cp); 91 if (debug) 92 printf("user = %s, homedir = %s\n", myname, homedir); 93 } 94