1 /* 2 * Copyright (c) 2017 Colin Watson <cjwatson@debian.org> 3 * 4 * Permission to use, copy, modify, and distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 /* Roughly equivalent to "mktemp -d -t TEMPLATE", but portable. */ 18 19 #include "includes.h" 20 21 #include <limits.h> 22 #include <stdarg.h> 23 #include <stdio.h> 24 #include <stdlib.h> 25 #include <unistd.h> 26 27 #include "log.h" 28 29 static void 30 usage(void) 31 { 32 fprintf(stderr, "mkdtemp template\n"); 33 exit(1); 34 } 35 36 int 37 main(int argc, char **argv) 38 { 39 const char *base; 40 const char *tmpdir; 41 char template[PATH_MAX]; 42 int r; 43 char *dir; 44 45 if (argc != 2) 46 usage(); 47 base = argv[1]; 48 49 if ((tmpdir = getenv("TMPDIR")) == NULL) 50 tmpdir = "/tmp"; 51 r = snprintf(template, sizeof(template), "%s/%s", tmpdir, base); 52 if (r < 0 || (size_t)r >= sizeof(template)) 53 fatal("template string too long"); 54 dir = mkdtemp(template); 55 if (dir == NULL) { 56 perror("mkdtemp"); 57 exit(1); 58 } 59 puts(dir); 60 return 0; 61 } 62