diff options
Diffstat (limited to 'file_cmds/mkfifo/mkfifo.c')
| -rw-r--r-- | file_cmds/mkfifo/mkfifo.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/file_cmds/mkfifo/mkfifo.c b/file_cmds/mkfifo/mkfifo.c new file mode 100644 index 0000000..c06fc5a --- /dev/null +++ b/file_cmds/mkfifo/mkfifo.c @@ -0,0 +1,128 @@ +/* $NetBSD: mkfifo.c,v 1.8 1997/10/19 05:11:54 lukem Exp $ */ + +/* + * Copyright (c) 1990, 1993 + * The Regents of the University of California. 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + */ + +#include <sys/cdefs.h> +#ifndef lint +__COPYRIGHT("@(#) Copyright (c) 1990, 1993\n\ + The Regents of the University of California. All rights reserved.\n"); +#endif /* not lint */ + +#ifndef lint +#if 0 +static char sccsid[] = "@(#)mkfifo.c 8.2 (Berkeley) 1/5/94"; +#endif +__RCSID("$NetBSD: mkfifo.c,v 1.8 1997/10/19 05:11:54 lukem Exp $"); +#endif /* not lint */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <locale.h> +#include <errno.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> +#include <err.h> +#ifdef __APPLE__ +#include <get_compat.h> +#else +#define COMPAT_MODE(a,b) (1) +#endif /* __APPLE__ */ + +int main __P((int, char **)); +static void usage __P((void)); + +int +main(argc, argv) + int argc; + char *argv[]; +{ + int ch, exitval; + void * set; + mode_t mode = 0; + int m_used = 0; + + setlocale (LC_ALL, ""); + + /* The default mode is the value of the bitwise inclusive or of + S_IRUSR, S_IWUSR, S_IRGRP, S_IWGRP, S_IROTH, and S_IWOTH + modified by the file creation mask */ + if (!COMPAT_MODE("bin/mkfifo", "Unix2003")) { + mode = 0666 & ~umask(0); + } + + while ((ch = getopt(argc, argv, "m:")) != -1) + switch(ch) { + case 'm': + m_used = 1; + if (!(set = setmode(optarg))) { + errx(1, "invalid file mode."); + /* NOTREACHED */ + } + /* In symbolic mode strings, the + and - operators are + interpreted relative to an assumed initial mode of + a=rw. */ + mode = getmode (set, 0666); + break; + case '?': + default: + usage(); + } +// argc -= optind; + argv += optind; + if (argv[0] == NULL) + usage(); + + if (COMPAT_MODE("bin/mkfifo", "Unix2003")) { + mode_t maskbits = umask(0); /* now must disable umask so -m mode won't be masked again */ + if (!m_used) + mode = 0666 & ~maskbits; + } + + for (exitval = 0; *argv; ++argv) { + if (mkfifo(*argv, mode) < 0) { + warn("%s", *argv); + exitval = 1; + } + } + exit(exitval); +} + +void +usage() +{ + (void)fprintf(stderr, "usage: mkfifo [-m mode] fifoname ...\n"); + exit(1); +} |