#include <stdio.h>
#include "debug.h"

#include "suppress_spaces.h"

int	suppress_spaces( char *buffer )
{
	char	*tmpbuf;
	int	length, cnt, offset, seen_space;
  
	/* Suppresses runs of spaces, so that they become 1 space.
	   Good for indexing */
	length = strlen( buffer );
	tmpbuf = (char *)malloc( length + 1 );
	bzero( tmpbuf, length + 1 );

	offset = 0;
	seen_space = 0;
	for( cnt = 0; cnt < length; cnt++ )
	{
		if( buffer[ cnt ] == ' ' )
		{
			/* Only add if we haven't yet seen space */
			if( ! seen_space )
			{
				tmpbuf[ offset++ ] = buffer[ cnt ];
				seen_space = 1;
			}
		}else
		{
			seen_space = 0;
			tmpbuf[ offset++ ] = buffer[ cnt ];
		}
	}

	/* Put it back in the main buffer now */
	strcpy( buffer, tmpbuf );
	free( tmpbuf );
	return( 0 );
}