frame.c

    va_list ap;
    int result;

    va_start( ap, format);
    result = vfprintf( stderr, format, ap);
    va_end( ap);
    return result;
}

void __attribute__((format(printf,1,2))) fatalerror( const char *format, ...)
{
    va_list ap;

    va_start( ap, format);
    vfprintf( stderr, format, ap);
    va_end( ap);
    myexit(1);
}

void fatalperror( const char *string)
{
  perror( string);
  myexit( 1);
}

int __attribute__((format(printf,1,2))) say( const char *format, ...)
{
    va_list ap;
    int result;

    va_start( ap, format);
    result = vfprintf( stdout, format, ap);
    va_end( ap);
    return result;
}


char *malloccopy( char *string)
{
    char *result;

    result = malloc( strlen( string) + 1);
    if (result != NULL)
	strcpy( result, string);
    return result;
}


char *mallocconcat( char *one, char *two)
{
    char *result;

    result = malloc( strlen( one) + strlen( two) + 1);
    if (result != NULL)
      {
	strcpy( result, one);
	strcat( result, two);
      }
    return result;
}

double double2db( double value)
{
  if (value < 0)
    value = -value;
  return 6.0 * log( value / 32767) / log( 2);
}

void readawaysamples( FILE *input, size_t size)
{
  short *buffer;
  int samplesread, count;

  buffer = malloc( sizeof( *buffer) * BUFFSIZE);
  if (buffer == NULL) fatalperror("Couldn't allocate buffer");

  while (size > 0)
    {
      if (size > BUFFSIZE)
	count = BUFFSIZE;
      else
	count = size;

      samplesread = fread( buffer, sizeof(*buffer), count, input);
      if (ferror( input) != 0)
	fatalperror("Error reading input file");
      size -= samplesread;
    }
  free( buffer);
}