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Annotation of src/usr.bin/mkfifo/mkfifo.c, Revision 1.2

1.2     ! deraadt     1: /*     $OpenBSD: mkfifo.c,v 1.7 1994/12/23 07:16:56 jtc Exp $  */
1.1       deraadt     2: /*     $NetBSD: mkfifo.c,v 1.7 1994/12/23 07:16:56 jtc Exp $   */
                      3:
                      4: /*
                      5:  * Copyright (c) 1990, 1993
                      6:  *     The Regents of the University of California.  All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. All advertising materials mentioning features or use of this software
                     17:  *    must display the following acknowledgement:
                     18:  *     This product includes software developed by the University of
                     19:  *     California, Berkeley and its contributors.
                     20:  * 4. Neither the name of the University nor the names of its contributors
                     21:  *    may be used to endorse or promote products derived from this software
                     22:  *    without specific prior written permission.
                     23:  *
                     24:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     25:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     26:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     27:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     28:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     29:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     30:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     31:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     32:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     33:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     34:  * SUCH DAMAGE.
                     35:  */
                     36:
                     37: #ifndef lint
                     38: static char copyright[] =
                     39: "@(#) Copyright (c) 1990, 1993\n\
                     40:        The Regents of the University of California.  All rights reserved.\n";
                     41: #endif /* not lint */
                     42:
                     43: #ifndef lint
                     44: #if 0
                     45: static char sccsid[] = "@(#)mkfifo.c   8.2 (Berkeley) 1/5/94";
                     46: #endif
1.2     ! deraadt    47: static char rcsid[] = "$OpenBSD: mkfifo.c,v 1.7 1994/12/23 07:16:56 jtc Exp $";
1.1       deraadt    48: #endif /* not lint */
                     49:
                     50: #include <stdio.h>
                     51: #include <stdlib.h>
                     52: #include <string.h>
                     53: #include <locale.h>
                     54: #include <errno.h>
                     55: #include <sys/types.h>
                     56: #include <sys/stat.h>
                     57: #include <unistd.h>
                     58: #include <err.h>
                     59:
                     60: static void usage();
                     61:
                     62: int
                     63: main(argc, argv)
                     64:        int argc;
                     65:        char *argv[];
                     66: {
                     67:        int ch, exitval;
                     68:        void * set;
                     69:        mode_t mode;
                     70:
                     71:        setlocale (LC_ALL, "");
                     72:
                     73:        /* The default mode is the value of the bitwise inclusive or of
                     74:           S_IRUSR, S_IWUSR, S_IRGRP, S_IWGRP, S_IROTH, and S_IWOTH
                     75:           modified by the file creation mask */
                     76:        mode = 0666 & ~umask(0);
                     77:
                     78:        while ((ch = getopt(argc, argv, "m:")) != -1)
                     79:                switch(ch) {
                     80:                case 'm':
                     81:                        if (!(set = setmode(optarg))) {
                     82:                                errx(1, "invalid file mode.");
                     83:                                /* NOTREACHED */
                     84:                        }
                     85:                        /* In symbolic mode strings, the + and - operators are
                     86:                           interpreted relative to an assumed initial mode of
                     87:                           a=rw. */
                     88:                        mode = getmode (set, 0666);
                     89:                        break;
                     90:                case '?':
                     91:                default:
                     92:                        usage();
                     93:                }
                     94:        argc -= optind;
                     95:        argv += optind;
                     96:        if (argv[0] == NULL)
                     97:                usage();
                     98:
                     99:        for (exitval = 0; *argv; ++argv) {
                    100:                if (mkfifo(*argv, mode) < 0) {
                    101:                        warn("%s", *argv);
                    102:                        exitval = 1;
                    103:                }
                    104:        }
                    105:        exit(exitval);
                    106: }
                    107:
                    108: void
                    109: usage()
                    110: {
                    111:        (void)fprintf(stderr, "usage: mkfifo [-m mode] fifoname ...\n");
                    112:        exit(1);
                    113: }