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-rw-r--r--regress/mkdtemp.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/regress/mkdtemp.c b/regress/mkdtemp.c
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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 <stdio.h>
23#include <stdlib.h>
24
25#include "log.h"
26
27static void
28usage(void)
29{
30 fprintf(stderr, "mkdtemp template\n");
31 exit(1);
32}
33
34int
35main(int argc, char **argv)
36{
37 const char *base;
38 const char *tmpdir;
39 char template[PATH_MAX];
40 int r;
41 char *dir;
42
43 if (argc != 2)
44 usage();
45 base = argv[1];
46
47 if ((tmpdir = getenv("TMPDIR")) == NULL)
48 tmpdir = "/tmp";
49 r = snprintf(template, sizeof(template), "%s/%s", tmpdir, base);
50 if (r < 0 || (size_t)r >= sizeof(template))
51 fatal("template string too long");
52 dir = mkdtemp(template);
53 if (dir == NULL) {
54 perror("mkdtemp");
55 exit(1);
56 }
57 puts(dir);
58 return 0;
59}