xref: /netbsd-src/lib/libcurses/ctrace.c (revision d9158b13b5dfe46201430699a3f7a235ecf28df3)
1 /*-
2  * Copyright (c) 1992, 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 /* from: static char sccsid[] = "@(#)ctrace.c	8.2 (Berkeley) 10/5/93"; */
36 static char *rcsid = "$Id: ctrace.c,v 1.3 1994/01/24 08:36:43 cgd Exp $";
37 #endif /* not lint */
38 
39 #ifdef DEBUG
40 #include <stdio.h>
41 
42 #ifdef __STDC__
43 #include <stdarg.h>
44 #else
45 #include <varargs.h>
46 #endif
47 
48 #ifndef TFILE
49 #define	TFILE	"__curses.out"
50 #endif
51 
52 static FILE *tracefp;			/* Curses debugging file descriptor. */
53 
54 void
55 #ifdef __STDC__
56 __CTRACE(const char *fmt, ...)
57 #else
58 __CTRACE(fmt, va_alist)
59 	char *fmt;
60 	va_dcl
61 #endif
62 {
63 	va_list ap;
64 #ifdef __STDC__
65 	va_start(ap, fmt);
66 #else
67 	va_start(ap);
68 #endif
69 	if (tracefp == NULL)
70 		tracefp = fopen(TFILE, "w");
71 	if (tracefp == NULL)
72 		return;
73 	(void)vfprintf(tracefp, fmt, ap);
74 	va_end(ap);
75 	(void)fflush(tracefp);
76 }
77 #endif
78