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misc.c revision 1.1 
      1 /*-
      2  * Copyright (c) 1991 The Regents of the University of California.
      3  * 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 static char sccsid[] = "@(#)misc.c	5.1 (Berkeley) 7/21/91";
     39 #endif /* not lint */
     40 
     41 #include <sys/types.h>
     42 #include <sys/stat.h>
     43 #include <errno.h>
     44 #include <unistd.h>
     45 #include <stdio.h>
     46 #include <stdlib.h>
     47 #include <string.h>
     48 #include "extern.h"
     49 
     50 void
     51 ierr()
     52 {
     53 	err("%s: %s", fname, strerror(errno));
     54 }
     55 
     56 void
     57 oerr()
     58 {
     59 	err("stdout: %s", strerror(errno));
     60 }
     61 
     62 #if __STDC__
     63 #include <stdarg.h>
     64 #else
     65 #include <varargs.h>
     66 #endif
     67 
     68 void
     69 #if __STDC__
     70 err(const char *fmt, ...)
     71 #else
     72 err(fmt, va_alist)
     73 	char *fmt;
     74 	va_dcl
     75 #endif
     76 {
     77 	va_list ap;
     78 #if __STDC__
     79 	va_start(ap, fmt);
     80 #else
     81 	va_start(ap);
     82 #endif
     83 	(void)fprintf(stderr, "tail: ");
     84 	(void)vfprintf(stderr, fmt, ap);
     85 	va_end(ap);
     86 	(void)fprintf(stderr, "\n");
     87 	exit(1);
     88 	/* NOTREACHED */
     89 }
     90