1/*
2 * EchoGals/Echo24 BeOS Driver for Echo audio cards
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
44
45#if DEBUG > 0
46static const char *logfile = kSystemLogDirectory "/" DRIVER_NAME ".log";
47static sem_id loglock;
48#endif
49
50
51void debug_printf(const char *text,...);
52void log_printf(const char *text,...);
53
54
55void debug_printf(const char *text,...)
56{
57	char buf[1024];
58	va_list ap;
59
60	va_start(ap,text);
61	vsprintf(buf,text,ap);
62	va_end(ap);
63
64	dprintf(DRIVER_NAME ": %s",buf);
65}
66
67
68void log_create()
69{
70#if DEBUG > 0
71	int fd = open(logfile, O_WRONLY | O_CREAT | O_TRUNC, 0666);
72	const char *text = DRIVER_NAME ", " ECHO_VERSION "\n";
73	loglock = create_sem(1,"logfile sem");
74	write(fd,text,strlen(text));
75	close(fd);
76#endif
77}
78
79
80void log_printf(const char *text,...)
81{
82#if DEBUG > 0
83	int fd;
84	char buf[1024];
85	va_list ap;
86
87	va_start(ap,text);
88	vsprintf(buf,text,ap);
89	va_end(ap);
90
91	dprintf(DRIVER_NAME ": %s",buf);
92
93	acquire_sem(loglock);
94	fd = open(logfile, O_WRONLY | O_APPEND);
95	write(fd,buf,strlen(buf));
96	close(fd);
97	release_sem(loglock);
98
99	#if DEBUG > 1
100		snooze(150000);
101	#endif
102#endif
103}
104