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Annotation of src/usr.bin/mkfifo/mkfifo.c, Revision 1.1

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