xref: /dragonfly/usr.bin/tset/misc.c (revision 984263bc)
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 #if 0
36 static char sccsid[] = "@(#)misc.c	8.1 (Berkeley) 6/9/93";
37 #endif
38 static const char rcsid[] =
39   "$FreeBSD: src/usr.bin/tset/misc.c,v 1.4 1999/08/28 01:06:58 peter Exp $";
40 #endif /* not lint */
41 
42 #include <fcntl.h>
43 #include <err.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 cat(file)
52 	char *file;
53 {
54 	register int fd, nr, nw;
55 	char buf[1024];
56 
57 	if ((fd = open(file, O_RDONLY, 0)) < 0)
58 		err(1, "%s", file);
59 
60 	while ((nr = read(fd, buf, sizeof(buf))) > 0)
61 		if ((nw = write(STDERR_FILENO, buf, nr)) == -1)
62 			err(1, "write to stderr");
63 	if (nr != 0)
64 		err(1, "%s", file);
65 	(void)close(fd);
66 }
67 
68 int
69 outc(c)
70 	int c;
71 {
72 	return putc(c, stderr);
73 }
74