text: /**
   *
   * Copyright (c) 2010, Zed A. Shaw and Mongrel2 Project Contributors.
   * All rights reserved.
   * 
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met:
   * 
   *     * Redistributions of source code must retain the above copyright
   *       notice, this list of conditions and the following disclaimer.
   * 
   *     * Redistributions in binary form must reproduce the above copyright
   *       notice, this list of conditions and the following disclaimer in the
   *       documentation and/or other materials provided with the distribution.
   * 
   *     * Neither the name of the Mongrel2 Project, Zed A. Shaw, nor the names
   *       of its contributors may be used to endorse or promote products
   *       derived from this software without specific prior written
   *       permission.
   * 
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
   * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
   * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include "dbg.h"
  #include "bstring.h"
  
  FILE *LOG_FILE = NULL;
  
  void dbg_set_log(FILE *log_file)
  {
      LOG_FILE = log_file;
  }
  
  
  FILE *dbg_get_log()
  {
      return LOG_FILE != NULL ? LOG_FILE : stderr;
  }
  
  void fprintf_with_timestamp(FILE *log_file, const char *format, ...)
  {
    va_list args;
    time_t now = time(NULL);
    bstring time_stamp = bStrfTime("%a, %d %b %Y %H:%M:%S GMT", gmtime(&now));
    va_start(args, format);
    fprintf(log_file, "%s ", time_stamp->data);
    vfprintf(log_file, format, args);
    bdestroy(time_stamp);
    va_end(args);
  }
  