8e0079a07a
prefix when no arguments are supplied. Reviewed by: jilles Approved by: cperciva MFC after: 1 week
157 lines
3.6 KiB
C
157 lines
3.6 KiB
C
/*-
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* Copyright (c) 1994, 1995, 1996, 1998 Peter Wemm <peter@netplex.com.au>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/*
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* This program was originally written long ago, originally for a non
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* BSD-like OS without mkstemp(). It's been modified over the years
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* to use mkstemp() rather than the original O_CREAT|O_EXCL/fstat/lstat
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* etc style hacks.
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* A cleanup, misc options and mkdtemp() calls were added to try and work
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* more like the OpenBSD version - which was first to publish the interface.
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*/
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#include <err.h>
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#include <paths.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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#ifndef lint
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static const char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
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static void usage(void);
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int
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main(int argc, char **argv)
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{
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int c, fd, ret;
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char *tmpdir;
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const char *prefix;
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char *name;
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int dflag, qflag, tflag, uflag;
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ret = dflag = qflag = tflag = uflag = 0;
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prefix = "mktemp";
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name = NULL;
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while ((c = getopt(argc, argv, "dqt:u")) != -1)
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switch (c) {
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case 'd':
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dflag++;
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break;
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case 'q':
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qflag++;
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break;
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case 't':
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prefix = optarg;
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tflag++;
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break;
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case 'u':
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uflag++;
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break;
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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if (!tflag && argc < 1) {
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tflag = 1;
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prefix = "tmp";
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}
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if (tflag) {
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tmpdir = getenv("TMPDIR");
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if (tmpdir == NULL)
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asprintf(&name, "%s%s.XXXXXXXX", _PATH_TMP, prefix);
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else
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asprintf(&name, "%s/%s.XXXXXXXX", tmpdir, prefix);
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/* if this fails, the program is in big trouble already */
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if (name == NULL) {
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if (qflag)
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return (1);
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else
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errx(1, "cannot generate template");
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}
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}
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/* generate all requested files */
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while (name != NULL || argc > 0) {
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if (name == NULL) {
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name = strdup(argv[0]);
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argv++;
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argc--;
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}
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if (dflag) {
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if (mkdtemp(name) == NULL) {
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ret = 1;
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if (!qflag)
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warn("mkdtemp failed on %s", name);
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} else {
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printf("%s\n", name);
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if (uflag)
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rmdir(name);
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}
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} else {
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fd = mkstemp(name);
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if (fd < 0) {
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ret = 1;
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if (!qflag)
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warn("mkstemp failed on %s", name);
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} else {
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close(fd);
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if (uflag)
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unlink(name);
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printf("%s\n", name);
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}
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}
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if (name)
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free(name);
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name = NULL;
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}
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return (ret);
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}
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static void
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usage(void)
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{
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fprintf(stderr,
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"usage: mktemp [-d] [-q] [-t prefix] [-u] template ...\n");
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fprintf(stderr,
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" mktemp [-d] [-q] [-u] -t prefix \n");
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exit (1);
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}
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