//
// tardy - a tar post-processor
// Copyright (C) 2011 Peter Miller
//
// 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 3 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, see <http://www.gnu.org/licenses/>.
//

#include <libtardy/ac/string.h>

#include <libtardy/rcstring/accumulator.h>


void
rcstring_accumulator::pop_front(size_t nbytes)
{
    if (nbytes == 0)
        return;
    if (nbytes > length)
    {
        length = 0;
        return;
    }
    length -= nbytes;
    memmove(buffer, buffer + nbytes, length);
}
