79 lines
1.4 KiB
C
79 lines
1.4 KiB
C
/* See LICENSE file for copyright and license details. */
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#include <libgen.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "util.h"
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static void
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usage(void)
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{
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eprintf("usage: %s [-dq] [template]\n", argv0);
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}
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static int dflag = 0;
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static int qflag = 0;
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int
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main(int argc, char *argv[])
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{
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char *template = "tmp.XXXXXXXXXX";
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char *tmpdir = "/tmp", *p;
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char path[PATH_MAX], tmp[PATH_MAX];
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int fd;
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ARGBEGIN {
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case 'd':
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dflag = 1;
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break;
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case 'q':
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qflag = 1;
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break;
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default:
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usage();
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} ARGEND;
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if (argc > 1)
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usage();
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else if (argc == 1)
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template = argv[0];
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if ((p = getenv("TMPDIR")))
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tmpdir = p;
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if (strlcpy(tmp, template, sizeof(tmp)) >= sizeof(tmp))
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eprintf("path too long\n");
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p = dirname(tmp);
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if (p[0] != '.') {
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if (strlcpy(path, template, sizeof(path)) >= sizeof(path))
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eprintf("path too long\n");
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} else {
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if (strlcpy(path, tmpdir, sizeof(path)) >= sizeof(path))
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eprintf("path too long\n");
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if (strlcat(path, "/", sizeof(path)) >= sizeof(path))
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eprintf("path too long\n");
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if (strlcat(path, template, sizeof(path)) >= sizeof(path))
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eprintf("path too long\n");
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}
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if (dflag) {
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if (!mkdtemp(path)) {
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if (!qflag)
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eprintf("mkdtemp %s:", path);
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exit(1);
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}
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} else {
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if ((fd = mkstemp(path)) < 0) {
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if (!qflag)
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eprintf("mkstemp %s:", path);
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exit(1);
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}
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close(fd);
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}
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puts(path);
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return 0;
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}
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