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misc.c revision 1.1.1.1 
      1 /*-
      2  * Copyright (c) 1991, 1993
      3  *	The Regents of the University of California.  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 
     34 #ifndef lint
     35 static char sccsid[] = "@(#)misc.c	8.1 (Berkeley) 6/9/93";
     36 #endif /* not lint */
     37 
     38 #include <fcntl.h>
     39 #include <errno.h>
     40 #include <unistd.h>
     41 #include <stdio.h>
     42 #include <stdlib.h>
     43 #include <string.h>
     44 #include "extern.h"
     45 
     46 void
     47 cat(file)
     48 	char *file;
     49 {
     50 	register int fd, nr, nw;
     51 	char buf[1024];
     52 
     53 	if ((fd = open(file, O_RDONLY, 0)) < 0)
     54 		err("%s: %s", file, strerror(errno));
     55 
     56 	while ((nr = read(fd, buf, sizeof(buf))) > 0)
     57 		if ((nw = write(STDERR_FILENO, buf, nr)) == -1)
     58 			err("write to stderr: %s", strerror(errno));
     59 	if (nr != 0)
     60 		err("%s: %s", file, strerror(errno));
     61 	(void)close(fd);
     62 }
     63 
     64 void
     65 outc(c)
     66 	int c;
     67 {
     68 	(void)putc(c, stderr);
     69 }
     70 
     71 #if __STDC__
     72 #include <stdarg.h>
     73 #else
     74 #include <varargs.h>
     75 #endif
     76 
     77 void
     78 #if __STDC__
     79 err(const char *fmt, ...)
     80 #else
     81 err(fmt, va_alist)
     82 	char *fmt;
     83         va_dcl
     84 #endif
     85 {
     86 	va_list ap;
     87 #if __STDC__
     88 	va_start(ap, fmt);
     89 #else
     90 	va_start(ap);
     91 #endif
     92 	(void)fprintf(stderr, "tset: ");
     93 	(void)vfprintf(stderr, fmt, ap);
     94 	va_end(ap);
     95 	(void)fprintf(stderr, "\n");
     96 	exit(1);
     97 	/* NOTREACHED */
     98 }
     99