62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
/*
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* Copyright (c) 2017 Colin Watson <cjwatson@debian.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* Roughly equivalent to "mktemp -d -t TEMPLATE", but portable. */
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#include "includes.h"
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#include <limits.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "log.h"
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static void
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usage(void)
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{
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fprintf(stderr, "mkdtemp template\n");
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exit(1);
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}
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int
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main(int argc, char **argv)
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{
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const char *base;
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const char *tmpdir;
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char template[PATH_MAX];
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int r;
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char *dir;
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if (argc != 2)
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usage();
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base = argv[1];
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if ((tmpdir = getenv("TMPDIR")) == NULL)
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tmpdir = "/tmp";
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r = snprintf(template, sizeof(template), "%s/%s", tmpdir, base);
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if (r < 0 || (size_t)r >= sizeof(template))
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fatal("template string too long");
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dir = mkdtemp(template);
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if (dir == NULL) {
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perror("mkdtemp");
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exit(1);
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}
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puts(dir);
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return 0;
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}
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