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Annotation of src/usr.bin/tail/misc.c, Revision 1.1

1.1     ! deraadt     1: /*-
        !             2:  * Copyright (c) 1991, 1993
        !             3:  *     The Regents of the University of California.  All rights reserved.
        !             4:  *
        !             5:  * This code is derived from software contributed to Berkeley by
        !             6:  * Edward Sze-Tyan Wang.
        !             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: #if 0
        !            39: static char sccsid[] = "@(#)misc.c     8.1 (Berkeley) 6/6/93";
        !            40: #endif
        !            41: static char rcsid[] = "$NetBSD: misc.c,v 1.3 1994/11/23 07:42:04 jtc Exp $";
        !            42: #endif /* not lint */
        !            43:
        !            44: #include <sys/types.h>
        !            45: #include <sys/stat.h>
        !            46: #include <errno.h>
        !            47: #include <unistd.h>
        !            48: #include <stdio.h>
        !            49: #include <stdlib.h>
        !            50: #include <string.h>
        !            51: #include "extern.h"
        !            52:
        !            53: void
        !            54: ierr()
        !            55: {
        !            56:        err(0, "%s: %s", fname, strerror(errno));
        !            57: }
        !            58:
        !            59: void
        !            60: oerr()
        !            61: {
        !            62:        err(1, "stdout: %s", strerror(errno));
        !            63: }
        !            64:
        !            65: #if __STDC__
        !            66: #include <stdarg.h>
        !            67: #else
        !            68: #include <varargs.h>
        !            69: #endif
        !            70:
        !            71: void
        !            72: #if __STDC__
        !            73: err(int fatal, const char *fmt, ...)
        !            74: #else
        !            75: err(fatal, fmt, va_alist)
        !            76:        int fatal;
        !            77:        char *fmt;
        !            78:        va_dcl
        !            79: #endif
        !            80: {
        !            81:        va_list ap;
        !            82: #if __STDC__
        !            83:        va_start(ap, fmt);
        !            84: #else
        !            85:        va_start(ap);
        !            86: #endif
        !            87:        (void)fprintf(stderr, "tail: ");
        !            88:        (void)vfprintf(stderr, fmt, ap);
        !            89:        va_end(ap);
        !            90:        (void)fprintf(stderr, "\n");
        !            91:        if (fatal)
        !            92:                exit(1);
        !            93:        rval = 1;
        !            94: }