forget.c

Go to the documentation of this file.

/*!
   \file rowio/forget.c
 
   \brief RowIO library - Release a row
 
   (C) 2001-2009 by the GRASS Development Team
 
   This program is free software under the GNU General Public License
   (>=v2).  Read the file COPYING that comes with GRASS for details.
 
   \author Original author CERL
 */
 
#include <grass/rowio.h>
 
/*!
   \brief Release row from memory
 
   \param R pointer to ROWIO structure
   \param row row number
 */
void Rowio_forget(ROWIO *R, int row)
{
    int i;
 
    if (row < 0)
        return;
 
    for (i = 0; i < R->nrows; i++)
        if (row == R->rcb[i].row) {
            R->rcb[i].row = -1; /* no longer in memory */
            break;
        }
}