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Diffstat (limited to 'usr.bin/mkfifo/mkfifo.c')
-rw-r--r-- | usr.bin/mkfifo/mkfifo.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/usr.bin/mkfifo/mkfifo.c b/usr.bin/mkfifo/mkfifo.c new file mode 100644 index 0000000..7c974bd --- /dev/null +++ b/usr.bin/mkfifo/mkfifo.c @@ -0,0 +1,110 @@ +/* + * 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. + * 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. + */ + +#ifndef lint +static const char 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 +#endif /* not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/types.h> +#include <sys/stat.h> + +#include <err.h> +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#define BASEMODE S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | \ + S_IROTH | S_IWOTH + +static void usage(void); + +static int f_mode; + +int +main(int argc, char *argv[]) +{ + const char *modestr = NULL; + const void *modep; + mode_t fifomode; + int ch, exitval; + + while ((ch = getopt(argc, argv, "m:")) != -1) + switch(ch) { + case 'm': + f_mode = 1; + modestr = optarg; + break; + case '?': + default: + usage(); + } + argc -= optind; + argv += optind; + if (argv[0] == NULL) + usage(); + + if (f_mode) { + umask(0); + errno = 0; + if ((modep = setmode(modestr)) == NULL) { + if (errno) + err(1, "setmode"); + errx(1, "invalid file mode: %s", modestr); + } + fifomode = getmode(modep, BASEMODE); + } else { + fifomode = BASEMODE; + } + + for (exitval = 0; *argv != NULL; ++argv) + if (mkfifo(*argv, fifomode) < 0) { + warn("%s", *argv); + exitval = 1; + } + exit(exitval); +} + +static void +usage(void) +{ + (void)fprintf(stderr, "usage: mkfifo [-m mode] fifo_name ...\n"); + exit(1); +} |