xref: /haiku/src/add-ons/kernel/drivers/audio/ac97/auvia/debug.c (revision c90684742e7361651849be4116d0e5de3a817194)
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 #include <KernelExport.h>
32 #include <stdio.h>
33 #include <fcntl.h>
34 #include <unistd.h>
35 #include <OS.h>
36 #include "debug.h"
37 #include "auvia.h"
38 
39 #if DEBUG > 0
40 static const char * logfile="/boot/home/auvia.log";
41 static sem_id loglock;
42 #endif
43 
44 void debug_printf(const char *text,...);
45 void log_printf(const char *text,...);
46 void log_create(void);
47 
48 void debug_printf(const char *text,...)
49 {
50 	char buf[1024];
51 	va_list ap;
52 
53 	va_start(ap,text);
54 	vsprintf(buf,text,ap);
55 	va_end(ap);
56 
57 	dprintf(DRIVER_NAME ": %s",buf);
58 }
59 
60 void log_create()
61 {
62 #if DEBUG > 0
63 	int fd = open(logfile, O_WRONLY | O_CREAT | O_TRUNC, 0666);
64 	const char *text = DRIVER_NAME ", " VERSION "\n";
65 	loglock = create_sem(1,"logfile sem");
66 	write(fd,text,strlen(text));
67 	close(fd);
68 #endif
69 }
70 
71 void log_printf(const char *text,...)
72 {
73 #if DEBUG > 0
74 	int fd;
75 	char buf[1024];
76 	va_list ap;
77 
78 	va_start(ap,text);
79 	vsprintf(buf,text,ap);
80 	va_end(ap);
81 
82 	dprintf(DRIVER_NAME ": %s",buf);
83 
84 	acquire_sem(loglock);
85 	fd = open(logfile, O_WRONLY | O_APPEND);
86 	write(fd,buf,strlen(buf));
87 	close(fd);
88 	release_sem(loglock);
89 
90 	#if DEBUG > 1
91 		snooze(150000);
92 	#endif
93 #endif
94 }
95 
96