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 <fcntl.h>
36#include <stdio.h>
37#include <string.h>
38#include <unistd.h>
39
40#include <directories.h>
41#include <OS.h>
42
43#include "debug.h"
44#include "auvia.h"
45
46
47#if DEBUG > 0
48static const char *logfile = kSystemLogDirectory "/auvia.log";
49static sem_id loglock;
50#endif
51
52
53void debug_printf(const char *text,...);
54void log_printf(const char *text,...);
55void log_create(void);
56
57
58void debug_printf(const char *text,...)
59{
60	char buf[1024];
61	va_list ap;
62
63	va_start(ap,text);
64	vsprintf(buf,text,ap);
65	va_end(ap);
66
67	dprintf(DRIVER_NAME ": %s",buf);
68}
69
70
71void log_create()
72{
73#if DEBUG > 0
74	int fd = open(logfile, O_WRONLY | O_CREAT | O_TRUNC, 0666);
75	const char *text = DRIVER_NAME ", " VERSION "\n";
76	loglock = create_sem(1,"logfile sem");
77	write(fd,text,strlen(text));
78	close(fd);
79#endif
80}
81
82
83void log_printf(const char *text,...)
84{
85#if DEBUG > 0
86	int fd;
87	char buf[1024];
88	va_list ap;
89
90	va_start(ap,text);
91	vsprintf(buf,text,ap);
92	va_end(ap);
93
94	dprintf(DRIVER_NAME ": %s",buf);
95
96	acquire_sem(loglock);
97	fd = open(logfile, O_WRONLY | O_APPEND);
98	write(fd,buf,strlen(buf));
99	close(fd);
100	release_sem(loglock);
101
102	#if DEBUG > 1
103		snooze(150000);
104	#endif
105#endif
106}
107