1 /* $NetBSD: temp.c,v 1.20 2006/10/31 20:07:32 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1980, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "@(#)temp.c 8.1 (Berkeley) 6/6/93"; 36 #else 37 __RCSID("$NetBSD: temp.c,v 1.20 2006/10/31 20:07:32 christos Exp $"); 38 #endif 39 #endif /* not lint */ 40 41 #include "rcv.h" 42 #include <util.h> 43 #include "extern.h" 44 45 /* 46 * Mail -- a mail program 47 * 48 * Give names to all the temporary files that we will need. 49 */ 50 51 char *tmpdir; 52 53 void 54 tinit(void) 55 { 56 char pathbuf[MAXPATHLEN]; 57 const char *cp; 58 char *p; 59 60 /* 61 * It's okay to call savestr in here because main will 62 * do a spreserve() after us. 63 */ 64 if ((cp = getenv("TMPDIR")) == NULL || *cp == '\0') 65 cp = _PATH_TMP; 66 67 tmpdir = savestr(cp); 68 69 /* Remove trailing slashes. */ 70 p = tmpdir + strlen(tmpdir) - 1; 71 while (p > tmpdir && *p == '/') { 72 *p = '\0'; 73 p--; 74 } 75 76 if (myname != NULL) { 77 if (getuserid(myname) < 0) 78 errx(1, "\"%s\" is not a user of this system", myname); 79 } else { 80 if ((cp = username()) == NULL) { 81 myname = savestr("nobody"); 82 if (rcvmode) 83 exit(1); 84 } else 85 myname = savestr(cp); 86 } 87 if ((cp = getenv("HOME")) == NULL) 88 cp = "."; 89 homedir = savestr(cp); 90 91 if (getcwd(pathbuf, sizeof(pathbuf)) != NULL) 92 origdir = savestr(pathbuf); 93 else { 94 warn("getcwd"); 95 origdir = savestr("."); 96 } 97 98 if (debug) 99 (void)printf("user = %s, homedir = %s, origdir = %s\n", 100 myname, homedir, origdir); 101 } 102