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/**
* \file release.c
*
* \brief Segment release routines.
*
* This program is free software under the GNU General Public License
* (>=v2). Read the file COPYING that comes with GRASS for details.
*
* \author GRASS GIS Development Team
*
* \date 2005-2006
*/
#include <stdlib.h>
#include <grass/segment.h>
/**
* \fn int segment_release (SEGMENT *SEG)
*
* \brief Free memory allocated to segment.
*
* Releases the allocated memory associated with the segment file
* <b>seg</b>.
*
* <b>Note:</b> Does not close the file. Does not flush the data which
* may be pending from previous <i>segment_put()</i> calls.
*
* \param[in,out] seg
* \return 1 if successful
* \return -1 if segment is not available (not open)
*/
int segment_release(SEGMENT * SEG)
{
int i;
if (SEG->open != 1)
return -1;
for (i = 0; i < SEG->nseg; i++)
free(SEG->scb[i].buf);
free(SEG->scb);
SEG->open = 0;
return 1;
}
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