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Annotation of mandoc/compat_err.c, Revision 1.1

1.1     ! schwarze    1: #include "config.h"
        !             2:
        !             3: #if HAVE_ERR
        !             4:
        !             5: int dummy;
        !             6:
        !             7: #else
        !             8:
        !             9: /* $Id$ */
        !            10: /*
        !            11:  * Copyright (c) 1993
        !            12:  *      The Regents of the University of California.  All rights reserved.
        !            13:  *
        !            14:  * Redistribution and use in source and binary forms, with or without
        !            15:  * modification, are permitted provided that the following conditions
        !            16:  * are met:
        !            17:  * 1. Redistributions of source code must retain the above copyright
        !            18:  *    notice, this list of conditions and the following disclaimer.
        !            19:  * 2. Redistributions in binary form must reproduce the above copyright
        !            20:  *    notice, this list of conditions and the following disclaimer in the
        !            21:  *    documentation and/or other materials provided with the distribution.
        !            22:  * 3. Neither the name of the University nor the names of its contributors
        !            23:  *    may be used to endorse or promote products derived from this software
        !            24:  *    without specific prior written permission.
        !            25:  *
        !            26:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            27:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            28:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            29:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            30:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            31:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            32:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            33:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            34:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            35:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            36:  * SUCH DAMAGE.
        !            37:  */
        !            38:
        !            39: #include <err.h>
        !            40: #include <errno.h>
        !            41: #include <stdarg.h>
        !            42: #include <stdio.h>
        !            43: #include <stdlib.h>
        !            44: #include <string.h>
        !            45:
        !            46: extern char *__progname;
        !            47:
        !            48: static void vwarni(const char *, va_list);
        !            49: static void vwarnxi(const char *, va_list);
        !            50:
        !            51: static void
        !            52: vwarnxi(const char *fmt, va_list ap)
        !            53: {
        !            54:        fprintf(stderr, "%s: ", __progname);
        !            55:        if (fmt != NULL)
        !            56:                vfprintf(stderr, fmt, ap);
        !            57: }
        !            58:
        !            59: static void
        !            60: vwarni(const char *fmt, va_list ap)
        !            61: {
        !            62:        int sverrno;
        !            63:
        !            64:        sverrno = errno;
        !            65:        vwarnxi(fmt, ap);
        !            66:        if (fmt != NULL)
        !            67:                fputs(": ", stderr);
        !            68:        fprintf(stderr, "%s\n", strerror(sverrno));
        !            69: }
        !            70:
        !            71: void
        !            72: err(int eval, const char *fmt, ...)
        !            73: {
        !            74:        va_list ap;
        !            75:
        !            76:        va_start(ap, fmt);
        !            77:        vwarni(fmt, ap);
        !            78:        va_end(ap);
        !            79:        exit(eval);
        !            80: }
        !            81:
        !            82: void
        !            83: warn(const char *fmt, ...)
        !            84: {
        !            85:        va_list ap;
        !            86:
        !            87:        va_start(ap, fmt);
        !            88:        vwarni(fmt, ap);
        !            89:        va_end(ap);
        !            90: }
        !            91:
        !            92: void
        !            93: warnx(const char *fmt, ...)
        !            94: {
        !            95:        va_list ap;
        !            96:
        !            97:        va_start(ap, fmt);
        !            98:        vwarnxi(fmt, ap);
        !            99:        va_end(ap);
        !           100:        fputc('\n', stderr);
        !           101: }
        !           102:
        !           103: #endif