xref: /netbsd-src/usr.bin/tset/misc.c (revision 1f2744e6e4915c9da2a3f980279398c4cf7d5e6d)
1 /*	$NetBSD: misc.c,v 1.3 1994/12/07 05:08:09 jtc Exp $	*/
2 
3 /*-
4  * Copyright (c) 1991, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #ifndef lint
37 #if 0
38 static char sccsid[] = "@(#)misc.c	8.1 (Berkeley) 6/9/93";
39 #endif
40 static char rcsid[] = "$NetBSD: misc.c,v 1.3 1994/12/07 05:08:09 jtc Exp $";
41 #endif /* not lint */
42 
43 #include <fcntl.h>
44 #include <errno.h>
45 #include <unistd.h>
46 #include <stdio.h>
47 #include <stdlib.h>
48 #include <string.h>
49 #include "extern.h"
50 
51 void
52 cat(file)
53 	char *file;
54 {
55 	register int fd, nr, nw;
56 	char buf[1024];
57 
58 	if ((fd = open(file, O_RDONLY, 0)) < 0)
59 		err("%s: %s", file, strerror(errno));
60 
61 	while ((nr = read(fd, buf, sizeof(buf))) > 0)
62 		if ((nw = write(STDERR_FILENO, buf, nr)) == -1)
63 			err("write to stderr: %s", strerror(errno));
64 	if (nr != 0)
65 		err("%s: %s", file, strerror(errno));
66 	(void)close(fd);
67 }
68 
69 void
70 outc(c)
71 	int c;
72 {
73 	(void)putc(c, stderr);
74 }
75 
76 #if __STDC__
77 #include <stdarg.h>
78 #else
79 #include <varargs.h>
80 #endif
81 
82 void
83 #if __STDC__
84 err(const char *fmt, ...)
85 #else
86 err(fmt, va_alist)
87 	char *fmt;
88         va_dcl
89 #endif
90 {
91 	va_list ap;
92 #if __STDC__
93 	va_start(ap, fmt);
94 #else
95 	va_start(ap);
96 #endif
97 	(void)fprintf(stderr, "tset: ");
98 	(void)vfprintf(stderr, fmt, ap);
99 	va_end(ap);
100 	(void)fprintf(stderr, "\n");
101 	exit(1);
102 	/* NOTREACHED */
103 }
104