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Annotation of Net2/arch/i386/floppy/cat/errfunction, revision 1.1

1.1     ! root        1: /*-
        !             2:  * Copyright (c) 1991 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms, with or without
        !             6:  * modification, are permitted provided that the following conditions
        !             7:  * are met:
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  * 3. All advertising materials mentioning features or use of this software
        !            14:  *    must display the following acknowledgement:
        !            15:  *     This product includes software developed by the University of
        !            16:  *     California, Berkeley and its contributors.
        !            17:  * 4. Neither the name of the University nor the names of its contributors
        !            18:  *    may be used to endorse or promote products derived from this software
        !            19:  *    without specific prior written permission.
        !            20:  *
        !            21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            31:  * SUCH DAMAGE.
        !            32:  *
        !            33:  *     @(#)errfunction 5.1 (Berkeley) 5/10/91
        !            34:  */
        !            35: 
        !            36: err(s, syserr)
        !            37:        register char *s;
        !            38:        int syserr;
        !            39: {
        !            40:        extern int errno, sys_nerr;
        !            41:         extern char *sys_errlist[];
        !            42:        register char *e;
        !            43: 
        !            44:        (void)write(2, PROGNAME, sizeof(PROGNAME) - 1);
        !            45:        if (s) {
        !            46:                for (e = s; *e; ++e);
        !            47:                (void)write(2, s, e - s);
        !            48:        }
        !            49: #define        BADERR  "unknown error"
        !            50:        if (syserr) {
        !            51:                if (s)
        !            52:                        (void)write(2, ": ", 2);
        !            53:                if (errno > sys_nerr)
        !            54:                        (void)write(2, BADERR, sizeof(BADERR) - 1);
        !            55:                else {
        !            56:                        for (e = s = sys_errlist[errno]; *e; ++e);
        !            57:                        (void)write(2, s, e - s);
        !            58:                }
        !            59:        }
        !            60:        (void)write(2, "\n", 1);
        !            61:        eval = 1;
        !            62: }

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