--- libaitcfg/inc/aitcfg.h	2008/08/28 13:17:41	1.1
+++ libaitcfg/inc/aitcfg.h	2011/05/01 17:23:29	1.5.2.1
@@ -1,3 +1,48 @@
+/*************************************************************************
+* (C) 2008 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
+*  by Michael Pounov <misho@openbsd-bg.org>
+*
+* $Author: misho $
+* $Id: aitcfg.h,v 1.5.2.1 2011/05/01 17:23:29 misho Exp $
+*
+**************************************************************************
+The ELWIX and AITNET software is distributed under the following
+terms:
+
+All of the documentation and software included in the ELWIX and AITNET
+Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
+
+Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
+	by Michael Pounov <misho@elwix.org>.  All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. 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.
+3. All advertising materials mentioning features or use of this software
+   must display the following acknowledgement:
+This product includes software developed by Michael Pounov <misho@elwix.org>
+ELWIX - Embedded LightWeight unIX and its contributors.
+4. Neither the name of AITNET 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 AITNET 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 REGENTS 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.
+*/
 #ifndef __AITCFG_H
 #define __AITCFG_H
 
@@ -17,12 +62,27 @@ typedef struct tagHead sl_config;
 
 
 /*
+ * Macros for config library. Typecast string to specific config string format.
+*/
+#define CFG(x)		(unsigned char *)(x)
+
+#define CFG_ISSET(x)	((long) cfg_FirstItem((x)))
+
+
+/*
  * InitConfig() Head initializing function for config
  * @cfg = New head element for init
  * return: 0 ok; -1 error:: new head element is null
 */
 inline int InitConfig(sl_config * __restrict cfg);
 /*
+ * cfg_CreateConfig() Create config file from memory without whitespaces!
+ * @csConfigName = New config filename
+ * @cfg = Head list element
+ * return: 0 ok; -1 error:: can`t save new config
+*/
+int cfg_CreateConfig(const char *csConfigName, sl_config * __restrict cfg);
+/*
  * CreateConfig() Create config file from memory
  * @csConfigName = New config filename
  * @cfg = Head list element
@@ -64,8 +124,32 @@ int ReadConfig(FILE *f, sl_config * __restrict cfg);
 */
 int WriteConfig(FILE *f, sl_config * __restrict cfg);
 
+/*
+ * cfg_WriteConfig() Write to file from items in config list without whitespaces!
+ * @f = file resource
+ * @cfg = Head list element
+ * return: 0 ok; -1 error:: can`t write to file
+*/
+int cfg_WriteConfig(FILE *f, sl_config * __restrict cfg);
 
 /*
+ * ConcatConfig() Concat two list in one
+ * @cfg = Head list element of main list
+ * @add_cfg = Head list element of added list
+ * return: 0 ok; -1 error:: can`t concat lists
+*/
+int ConcatConfig(sl_config * __restrict cfg, sl_config * __restrict add_cfg);
+
+/*
+ * MergeConfig() Marge two list in one cfg and destroy add_cfg
+ * @cfg = Head list element of main list
+ * @add_cfg = Head list element of merged list (destroy after all!)
+ * return: 0 ok; -1 error:: can`t merge lists
+*/
+int MergeConfig(sl_config * __restrict cfg, sl_config * __restrict add_cfg);
+
+
+/*
  * cfg_FindAttribute() Find attribute position in config list
  * @cfg = Head list element
  * @csSec = Config section //[{csSec}]
@@ -98,6 +182,13 @@ int cfg_UnsetAttribute(sl_config * __restrict cfg, con
  * return: NULL item not found or null parameters; !=NULL value const string
 */
 inline const u_char *cfg_GetAttribute(sl_config * __restrict cfg, const u_char *csSec, const u_char *csAttr);
+
+/*
+ * cfg_FirstItem() Get first item from config list and return his value
+ * @cfg = Head list element
+ * return: NULL if no items in list; !=NULL first pair item
+*/
+inline struct tagPair *cfg_FirstItem(sl_config * __restrict cfg);
 
 /*
  * cfg_LoadAttribute() Extended get attribute, if not found item return *default value*