flags.h
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 /*
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  * Copyright (C) 2001-2003 FhG Fokus
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  *
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  * This file is part of Kamailio, a free SIP server.
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  *
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  * Kamailio is free software; you can redistribute it and/or modify
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  * 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
  *
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  * Kamailio is distributed in the hope that it will be useful,
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  * 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 
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  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
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  */
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 /*!
 * \file
 * \brief Kamailio core :: Flag handling
 * \ingroup core
 * Module: \ref core
 */
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 #ifndef _FLAGS_H
 #define _FLAGS_H
 
 enum { FL_WHITE=1, FL_YELLOW, FL_GREEN, FL_RED, FL_BLUE, FL_MAGENTA,
 	   FL_BROWN, FL_BLACK, FL_ACC, FL_MAX };
 
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 typedef unsigned int flag_t;
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 #define MAX_FLAG  ((unsigned int)( sizeof(flag_t) * CHAR_BIT - 1 ))
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 struct sip_msg;
 
 int setflag( struct sip_msg* msg, flag_t flag );
 int resetflag( struct sip_msg* msg, flag_t flag );
 int isflagset( struct sip_msg* msg, flag_t flag );
 
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 /* Script flag functions. Script flags are global flags that keep their
  * value regardless of the SIP message being processed.
  */
 
 /* Set the value of all the global flags */
 int setsflagsval(flag_t val);
 
 /* Set the given flag to 1. Parameter flag contains the index of the flag */
 int setsflag(flag_t flag);
 
 /* Reset the given flag to 0. Parameter flag contains the index of the flag */
 int resetsflag(flag_t flag);
 
 /* Returns 1 if the given flag is set and -1 otherwise */
 int issflagset(flag_t flag);
 
 /* Get the value of all the script flags combined */
 flag_t getsflags(void);
 
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 int flag_in_range( flag_t flag );
 
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 int register_flag(char* name, int pos);
 int get_flag_no(char* name, int len);
 int check_flag(int pos);
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 void init_named_flags(void);
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 #endif