/*
*******************************************************************************
*  Copyright (c) 1997 Martin Poole                            *
*******************************************************************************
**
** WARNING !!  WARNING !! WARNING !! WARNING !! WARNING !! WARNING !!
**
** Any changes to be made to this file should first be checked with
** mplib1 source control for library integrity.
**
** mplib1 source control can be reached at  mplib1@quatermass.co.uk
** 
*
*  $Source$
*  $Author$
*  $Date$
*  $Revision$
*
*******************************************************************************
*
* Change History
*
* $Log$
*
*******************************************************************************
*/

#ident "$Header$"

/* ------------------------------------------------------------------
    Include files
   ------------------------------------------------------------------ */

#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>

#include <mplib1/mplib1_config.h>
#include <mplib1/cfg_file.h>
#include <mplib1/fprintfile.h>

/* ------------------------------------------------------------------
    defines
   ------------------------------------------------------------------ */

static char *cfg_name=NULL;
static struct stat config_stat;

/* ------------------------------------------------------------------
    Code starts here
   ------------------------------------------------------------------ */

int
watch_cfg_file( const char *config_name )
{
    int rv=1;
    if (cfg_name)
	free(cfg_name);
    cfg_name = strdup(config_name);
    if (cfg_name)
    {
	config_stat.st_mtime = (time_t)0;
	rv = stat( cfg_name, &config_stat );
    }
    return(rv);
}

int
check_cfg_file( int force )
{
    struct stat tstat;
    int reread=0;

    if (cfg_name)
    {
	if (   stat(cfg_name, &tstat)==0
	    && tstat.st_mtime > config_stat.st_mtime
	   )
	{
	    read_config_file( cfg_name );
	    memcpy( &config_stat, &tstat, sizeof(struct stat) );
	    fprintfile( stderr, "Config file change read\n" );
	    reread=1;
	}else if (force)
	{
	    read_config_file( cfg_name );
	    fprintfile( stderr, "Config file read (force)\n" );
	    reread=1;
	}
    }
    return(reread);
}

/* -- End of File -- */