src/add-ons/kernel/drivers/audio/ac97/es1370/debug.c

   1 /*
   2  * ES1370 Haiku Driver for ES1370 audio
   3  *
   4  * Copyright 2002-2007, Haiku, Inc.
   5  * Distributed under the terms of the MIT License.
   6  *
   7  * Authors:
   8  *              Marcus Overhagen, marcus@overhagen.de
   9  *              Jerome Duval, jerome.duval@free.fr
  10  */
  11
  12
  13 #include <KernelExport.h>
  14
  15 #include <stdio.h>
  16 #include <string.h>
  17 #include <fcntl.h>
  18 #include <unistd.h>
  19
  20 #include <directories.h>
  21 #include <OS.h>
  22
  23 #include "debug.h"
  24 #include "es1370.h"
  25
  26
  27 #if DEBUG > 0
  28 static const char *logfile = kSystemLogDirectory "/es1370.log";
  29 static sem_id loglock;
  30 #endif
  31
  32
  33 void debug_printf(const char *text,...);
  34 void log_printf(const char *text,...);
  35 void log_create(void);
  36
  37
  38 void debug_printf(const char *text,...)
  39 {
  40         char buf[1024];
  41         va_list ap;
  42
  43         va_start(ap,text);
  44         vsprintf(buf,text,ap);
  45         va_end(ap);
  46
  47         dprintf(DRIVER_NAME ": %s",buf);
  48 }
  49
  50
  51 void log_create()
  52 {
  53 #if DEBUG > 0
  54         int fd = open(logfile, O_WRONLY | O_CREAT | O_TRUNC, 0666);
  55         const char *text = DRIVER_NAME ", " VERSION "\n";
  56         loglock = create_sem(1,"logfile sem");
  57         write(fd,text,strlen(text));
  58         close(fd);
  59 #endif
  60 }
  61
  62
  63 void log_printf(const char *text,...)
  64 {
  65 #if DEBUG > 0
  66         int fd;
  67         char buf[1024];
  68         va_list ap;
  69
  70         va_start(ap,text);
  71         vsprintf(buf,text,ap);
  72         va_end(ap);
  73
  74         dprintf(DRIVER_NAME ": %s",buf);
  75
  76         acquire_sem(loglock);
  77         fd = open(logfile, O_WRONLY | O_APPEND);
  78         write(fd,buf,strlen(buf));
  79         close(fd);
  80         release_sem(loglock);
  81
  82         #if DEBUG > 1
  83                 snooze(150000);
  84         #endif
  85 #endif
  86 }