sound/core/misc.c

   1 /*
   2  *  Misc and compatibility things
   3  *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
   4  *
   5  *
   6  *   This program is free software; you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License as published by
   8  *   the Free Software Foundation; either version 2 of the License, or
   9  *   (at your option) any later version.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program; if not, write to the Free Software
  18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19  *
  20  */
  21
  22 #include <sound/driver.h>
  23 #include <linux/init.h>
  24 #include <linux/sched.h>
  25 #include <linux/time.h>
  26 #include <sound/core.h>
  27
  28 int snd_task_name(struct task_struct *task, char *name, size_t size)
  29 {
  30         unsigned int idx;
  31
  32         snd_assert(task != NULL && name != NULL && size >= 2, return -EINVAL);
  33         for (idx = 0; idx < sizeof(task->comm) && idx + 1 < size; idx++)
  34                 name[idx] = task->comm[idx];
  35         name[idx] = '\0';
  36         return 0;
  37 }
  38
  39 #ifdef CONFIG_SND_VERBOSE_PRINTK
  40 void snd_verbose_printk(const char *file, int line, const char *format, ...)
  41 {
  42         va_list args;
  43
  44         if (format[0] == '<' && format[1] >= '0' && format[1] <= '9' && format[2] == '>') {
  45                 char tmp[] = "<0>";
  46                 tmp[1] = format[1];
  47                 printk("%sALSA %s:%d: ", tmp, file, line);
  48                 format += 3;
  49         } else {
  50                 printk("ALSA %s:%d: ", file, line);
  51         }
  52         va_start(args, format);
  53         vprintk(format, args);
  54         va_end(args);
  55 }
  56 #endif
  57
  58 #if defined(CONFIG_SND_DEBUG) && defined(CONFIG_SND_VERBOSE_PRINTK)
  59 void snd_verbose_printd(const char *file, int line, const char *format, ...)
  60 {
  61         va_list args;
  62
  63         if (format[0] == '<' && format[1] >= '0' && format[1] <= '9' && format[2] == '>') {
  64                 char tmp[] = "<0>";
  65                 tmp[1] = format[1];
  66                 printk("%sALSA %s:%d: ", tmp, file, line);
  67                 format += 3;
  68         } else {
  69                 printk(KERN_DEBUG "ALSA %s:%d: ", file, line);
  70         }
  71         va_start(args, format);
  72         vprintk(format, args);
  73         va_end(args);
  74
  75 }
  76 #endif