xref: /netbsd-src/usr.bin/tset/misc.c (revision 84d0ab551791493d2630bbef27063a9d514b9108)
1 /*	$NetBSD: misc.c,v 1.4 1997/10/14 02:07:58 lukem 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 #include <sys/cdefs.h>
37 #ifndef lint
38 #if 0
39 static char sccsid[] = "@(#)misc.c	8.1 (Berkeley) 6/9/93";
40 #endif
41 __RCSID("$NetBSD: misc.c,v 1.4 1997/10/14 02:07:58 lukem Exp $");
42 #endif /* not lint */
43 
44 #include <errno.h>
45 #include <fcntl.h>
46 #include <stdio.h>
47 #include <stdlib.h>
48 #include <string.h>
49 #include <unistd.h>
50 #include "extern.h"
51 
52 void
53 cat(file)
54 	char *file;
55 {
56 	register int fd, nr, nw;
57 	char buf[1024];
58 
59 	if ((fd = open(file, O_RDONLY, 0)) < 0)
60 		err("%s: %s", file, strerror(errno));
61 
62 	while ((nr = read(fd, buf, sizeof(buf))) > 0)
63 		if ((nw = write(STDERR_FILENO, buf, nr)) == -1)
64 			err("write to stderr: %s", strerror(errno));
65 	if (nr != 0)
66 		err("%s: %s", file, strerror(errno));
67 	(void)close(fd);
68 }
69 
70 void
71 outc(c)
72 	int c;
73 {
74 	(void)putc(c, stderr);
75 }
76 
77 #if __STDC__
78 #include <stdarg.h>
79 #else
80 #include <varargs.h>
81 #endif
82 
83 void
84 #if __STDC__
85 err(const char *fmt, ...)
86 #else
87 err(fmt, va_alist)
88 	char *fmt;
89         va_dcl
90 #endif
91 {
92 	va_list ap;
93 #if __STDC__
94 	va_start(ap, fmt);
95 #else
96 	va_start(ap);
97 #endif
98 	(void)fprintf(stderr, "tset: ");
99 	(void)vfprintf(stderr, fmt, ap);
100 	va_end(ap);
101 	(void)fprintf(stderr, "\n");
102 	exit(1);
103 	/* NOTREACHED */
104 }
105