cmd/mkfifo/mkfifo.c

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*  Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T     */
/*    All Rights Reserved                   */
/*                              */

#pragma ident   "%Z%%M% %I% %E% SMI"

#include    <stdlib.h>
#include    <sys/types.h>
#include    <sys/stat.h>
#include    <stdio.h>
#include    <errno.h>
#include    <string.h>
#include    <errno.h>
#include    <locale.h>
#include    <stdarg.h>

#define ALLRW   (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)

static void
usage();

void
errmsg(int severity, int code, char *format, ...);

/* from chmod:common.c: */

extern mode_t
newmode(char *modestr, mode_t basemode, mode_t umask, char *file, char *path);

int
main(int argc, char *argv[])
{
    char *path;
    int exitval = 0;
    int c, i;
    int mflag = 0;
    int errflg = 0;
    mode_t umsk = umask(0);
    mode_t mode = ALLRW & (~umsk);

    (void) setlocale(LC_ALL, "");
#if !defined(TEXT_DOMAIN)   /* Should be defined by cc -D */
#define TEXT_DOMAIN "SYS_TEST"  /* Use this only if it weren't */
#endif
    (void) textdomain(TEXT_DOMAIN);

    if (argc < 2) {
        usage();
        exit(1);
    }

    while ((c = getopt(argc, argv, "m:")) != EOF) {
        switch (c) {
        case 'm':
            mflag++;
            mode = newmode(optarg, ALLRW, umsk, "", "");
            break;

        default:
            errflg++;
            break;
        }
    }

    if (argc < optind || errflg) {
        usage();
        exit(1);
    }

    for (i = optind; i < argc; i++) {
        path = argv[i];
        if (mkfifo(path, mode) < 0) {
            perror("mkfifo");
            exitval = 1;
        }
    }

    return (exitval);

}

static void
usage()
{
    (void) fprintf(stderr,
        gettext("usage: mkfifo [-m mode] file ...\n"));
}

/*
 *  errmsg - This is an interface required by the code common to mkfifo and
 *       chmod.  The severity parameter is ignored here, but is meaningful
 *       to chmod.
 */

/* ARGSUSED */
/* PRINTFLIKE3 */
void
errmsg(int severity, int code, char *format, ...)
{
    va_list ap;

    va_start(ap, format);

    (void) fprintf(stderr, "mkfifo: ");
    (void) vfprintf(stderr, format, ap);

    va_end(ap);

    if (code > 0) {
        exit(code);
    }
}