debug.c

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/*
 EasyDbus: DBUS Binding library.
 Copyright (C) 2007  Daniele Rondina aka Ge@@ru, geaaru@gmail.com 

 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; either version 2
 of the License, or (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

  Filename:  debug.c
 
  Description:  
 
  Version:  1.0
  Created:  06/13/07 20:51:57 CEST
  Revision:  none
 
  Author:   Daniele Rondina aka Ge@@ru (geaaru@gmail.com) 
  License:  GPL 2.0
*/


#define _GNU_SOURCE
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "debug.h"
#ifdef TOFILE_DEBUG

int debug_file_fd = -1;
#endif

void
_EasyDbusDebug (const char *file,
                const char *function, int line, const char *fmt, ...)
{
   char *ptr;
   char *pptr;
   va_list ap;

   va_start (ap, fmt);
   vasprintf (&ptr, fmt, ap);
   va_end (ap);

   pptr = ptr + strlen (ptr) - 1;
   if (*pptr == '\n')
      *pptr = ' ';

#ifdef TOFILE_DEBUG
   char buffer[1024];

   snprintf (buffer, 1024, "[%s@%s:%d] %s\n", file, function, line, ptr);
   write (debug_file_fd, buffer, strlen (buffer));
#else
   fprintf (stderr, "[%s@%s:%d] %s\n", file, function, line, ptr);
   fflush (stderr);
#endif
   free (ptr);
}

#ifdef TOFILE_DEBUG
#   include <sys/types.h>
#   include <sys/stat.h>
#   include <fcntl.h>

int
easydbus_init_logger (char *debug_file)
{
   if (debug_file == NULL)
      return -1;

   debug_file_fd = open (debug_file, O_WRONLY | O_APPEND | O_CREAT,
                         S_IRGRP | S_IRWXU | S_IROTH);

   if (debug_file_fd == -1)
      return -1;

   return 0;
}

void
easydbus_deinit_logger (void)
{
   close (debug_file_fd);
}

#endif

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