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Diffstat (limited to 'shell_cmds/mktemp/mktemp.c')
| -rw-r--r-- | shell_cmds/mktemp/mktemp.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/shell_cmds/mktemp/mktemp.c b/shell_cmds/mktemp/mktemp.c new file mode 100644 index 0000000..11db17e --- /dev/null +++ b/shell_cmds/mktemp/mktemp.c @@ -0,0 +1,182 @@ +/*- + * Copyright (c) 1994, 1995, 1996, 1998 Peter Wemm <peter@netplex.com.au> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + */ + +/* + * This program was originally written long ago, originally for a non + * BSD-like OS without mkstemp(). It's been modified over the years + * to use mkstemp() rather than the original O_CREAT|O_EXCL/fstat/lstat + * etc style hacks. + * A cleanup, misc options and mkdtemp() calls were added to try and work + * more like the OpenBSD version - which was first to publish the interface. + */ + +#include <err.h> +#ifdef __APPLE__ +#include <limits.h> +#endif +#include <paths.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#ifndef lint +static const char rcsid[] = + "$FreeBSD$"; +#endif /* not lint */ + +static void usage(void); + +int +main(int argc, char **argv) +{ + int c, fd, ret; + char *tmpdir; + const char *prefix; + char *name; + int dflag, qflag, tflag, uflag; +#ifdef __APPLE__ + char tmpbuf[PATH_MAX]; + size_t len; +#endif + + ret = dflag = qflag = tflag = uflag = 0; + prefix = "mktemp"; + name = NULL; + + while ((c = getopt(argc, argv, "dqt:u")) != -1) + switch (c) { + case 'd': + dflag++; + break; + + case 'q': + qflag++; + break; + + case 't': + prefix = optarg; + tflag++; + break; + + case 'u': + uflag++; + break; + + default: + usage(); + } + + argc -= optind; + argv += optind; + + if (!tflag && argc < 1) { + tflag = 1; + prefix = "tmp"; + } + + if (tflag) { +#ifdef __APPLE__ + if (confstr(_CS_DARWIN_USER_TEMP_DIR, tmpbuf, sizeof(tmpbuf)) > 0) { + tmpdir = tmpbuf; + } else { + tmpdir = getenv("TMPDIR"); + } + + if (tmpdir == NULL) { + tmpdir = _PATH_TMP; + } + + len = strlen(tmpdir); + if (len > 0 && tmpdir[len - 1] == '/') { + asprintf(&name, "%s%s.XXXXXXXX", tmpdir, prefix); + } else { + asprintf(&name, "%s/%s.XXXXXXXX", tmpdir, prefix); + } +#else + tmpdir = getenv("TMPDIR"); + if (tmpdir == NULL) + asprintf(&name, "%s%s.XXXXXXXX", _PATH_TMP, prefix); + else + asprintf(&name, "%s/%s.XXXXXXXX", tmpdir, prefix); +#endif + /* if this fails, the program is in big trouble already */ + if (name == NULL) { + if (qflag) + return (1); + else + errx(1, "cannot generate template"); + } + } + + /* generate all requested files */ + while (name != NULL || argc > 0) { + if (name == NULL) { + name = strdup(argv[0]); + argv++; + argc--; + } + + if (dflag) { + if (mkdtemp(name) == NULL) { + ret = 1; + if (!qflag) + warn("mkdtemp failed on %s", name); + } else { + printf("%s\n", name); + if (uflag) + rmdir(name); + } + } else { + fd = mkstemp(name); + if (fd < 0) { + ret = 1; + if (!qflag) + warn("mkstemp failed on %s", name); + } else { + close(fd); + if (uflag) + unlink(name); + printf("%s\n", name); + } + } + if (name) + free(name); + name = NULL; + } + return (ret); +} + +static void +usage(void) +{ + fprintf(stderr, + "usage: mktemp [-d] [-q] [-t prefix] [-u] template ...\n"); + fprintf(stderr, + " mktemp [-d] [-q] [-u] -t prefix \n"); + exit (1); +} |