1/*
2 * Auvia BeOS Driver for Via VT82xx Southbridge audio
3 *
4 * Copyright (c) 2003, Jerome Duval (jerome.duval@free.fr)
5 *
6 * Original code : BeOS Driver for Intel ICH AC'97 Link interface
7 * Copyright (c) 2002, Marcus Overhagen <marcus@overhagen.de>
8 *
9 * All rights reserved.
10 * Redistribution and use in source and binary forms, with or without modification,
11 * are permitted provided that the following conditions are met:
12 *
13 * - Redistributions of source code must retain the above copyright notice,
14 *   this list of conditions and the following disclaimer.
15 * - Redistributions in binary form must reproduce the above copyright notice,
16 *   this list of conditions and the following disclaimer in the documentation
17 *   and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
25 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
27 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
28 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 */
31
32
33#include <KernelExport.h>
34
35#include <stdio.h>
36#include <fcntl.h>
37#include <unistd.h>
38
39#include <directories.h>
40#include <OS.h>
41
42#include "debug.h"
43#include "auvia.h"
44
45
46#if DEBUG > 0
47static const char *logfile = kSystemLogDirectory "/auvia.log";
48static sem_id loglock;
49#endif
50
51
52void debug_printf(const char *text,...);
53void log_printf(const char *text,...);
54void log_create(void);
55
56
57void debug_printf(const char *text,...)
58{
59	char buf[1024];
60	va_list ap;
61
62	va_start(ap,text);
63	vsprintf(buf,text,ap);
64	va_end(ap);
65
66	dprintf(DRIVER_NAME ": %s",buf);
67}
68
69
70void log_create()
71{
72#if DEBUG > 0
73	int fd = open(logfile, O_WRONLY | O_CREAT | O_TRUNC, 0666);
74	const char *text = DRIVER_NAME ", " VERSION "\n";
75	loglock = create_sem(1,"logfile sem");
76	write(fd,text,strlen(text));
77	close(fd);
78#endif
79}
80
81
82void log_printf(const char *text,...)
83{
84#if DEBUG > 0
85	int fd;
86	char buf[1024];
87	va_list ap;
88
89	va_start(ap,text);
90	vsprintf(buf,text,ap);
91	va_end(ap);
92
93	dprintf(DRIVER_NAME ": %s",buf);
94
95	acquire_sem(loglock);
96	fd = open(logfile, O_WRONLY | O_APPEND);
97	write(fd,buf,strlen(buf));
98	close(fd);
99	release_sem(loglock);
100
101	#if DEBUG > 1
102		snooze(150000);
103	#endif
104#endif
105}
106