/*

    viDOOM - level editor for DOOM

    Copyright (C) 2000  Ian Cowburn (ianc@noddybox.demon.co.uk)

    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    -------------------------------------------------------------------------

    Utility functions

*/
static const char rcs_id[]="$Id$";

#include "config.h"

#include <string.h>
#include "util.h"

#define TRIM_NO		10
#define TRIM_MAX	80


char *TrimStr(char *p, int n)
{
    static int i=0;
    static char trim[TRIM_NO][TRIM_MAX+1];
    int l;

    i=(i+1)%TRIM_NO;
    n=MIN(n,TRIM_MAX);
    l=strlen(p);

    if (n>l)
    	strcpy(trim[i],p);
    else
    	{
	strncpy(trim[i],p,n);
	trim[i][n-2]='.';
	trim[i][n-1]='.';
	trim[i][n]=0;
	}

    return(trim[i]);
}


/* END OF FILE */