1 /*- 2 * Copyright (c) 1994, 1995, 1996, 1998 Peter Wemm <peter@netplex.com.au> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 */ 27 28 /* 29 * This program was originally written long ago, originally for a non 30 * BSD-like OS without mkstemp(). It's been modified over the years 31 * to use mkstemp() rather than the original O_CREAT|O_EXCL/fstat/lstat 32 * etc style hacks. 33 * A cleanup, misc options and mkdtemp() calls were added to try and work 34 * more like the OpenBSD version - which was first to publish the interface. 35 */ 36 37 #include <err.h> 38 #include <paths.h> 39 #include <stdio.h> 40 #include <stdlib.h> 41 #include <string.h> 42 #include <unistd.h> 43 44 #ifndef lint 45 static const char rcsid[] = 46 "$FreeBSD$"; 47 #endif /* not lint */ 48 49 static void usage __P((void)); 50 51 int 52 main(int argc, char **argv) 53 { 54 int c, fd, ret; 55 char *tmpdir, *prefix; 56 char *name; 57 int dflag, qflag, tflag, uflag; 58 59 ret = dflag = qflag = tflag = uflag = 0; 60 prefix = "mktemp"; 61 name = NULL; 62 63 while ((c = getopt(argc, argv, "dqt:u")) != -1) 64 switch (c) { 65 case 'd': 66 dflag++; 67 break; 68 69 case 'q': 70 qflag++; 71 break; 72 73 case 't': 74 prefix = optarg; 75 tflag++; 76 break; 77 78 case 'u': 79 uflag++; 80 break; 81 82 default: 83 usage(); 84 } 85 86 argc -= optind; 87 argv += optind; 88 89 if (tflag) { 90 tmpdir = getenv("TMPDIR"); 91 if (tmpdir == NULL) 92 asprintf(&name, "%s%s.XXXXXXXX", _PATH_TMP, prefix); 93 else 94 asprintf(&name, "%s/%s.XXXXXXXX", tmpdir, prefix); 95 /* if this fails, the program is in big trouble already */ 96 if (name == NULL) { 97 if (qflag) 98 return (1); 99 else 100 errx(1, "cannot generate template"); 101 } 102 } else if (argc < 1) { 103 usage(); 104 } 105 106 /* generate all requested files */ 107 while (name != NULL || argc > 0) { 108 if (name == NULL) { 109 name = strdup(argv[0]); 110 argv++; 111 argc--; 112 } 113 114 if (dflag) { 115 if (mkdtemp(name) == NULL) { 116 ret = 1; 117 if (!qflag) 118 warn("mkdtemp failed on %s", name); 119 } else { 120 printf("%s\n", name); 121 if (uflag) 122 rmdir(name); 123 } 124 } else { 125 fd = mkstemp(name); 126 if (fd < 0) { 127 ret = 1; 128 if (!qflag) 129 warn("mkstemp failed on %s", name); 130 } else { 131 close(fd); 132 if (uflag) 133 unlink(name); 134 printf("%s\n", name); 135 } 136 } 137 if (name) 138 free(name); 139 name = NULL; 140 } 141 return (ret); 142 } 143 144 static void 145 usage() 146 { 147 fprintf(stderr, 148 "usage: mktemp [-d] [-q] [-t prefix] [-u] template ...\n"); 149 fprintf(stderr, 150 " mktemp [-d] [-q] [-u] -t prefix \n"); 151 exit (1); 152 } 153