GRASS GIS 8 Programmer's Manual
8.3.2(2024)-exported
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close.c
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/**
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* \file lib/segment/close.c
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*
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* \brief Segment closing routine.
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*
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* This program is free software under the GNU General Public License
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* (>=v2). Read the file COPYING that comes with GRASS for details.
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*
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* \author GRASS GIS Development Team
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*
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* \date 2018
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*/
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#include <unistd.h>
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#include <fcntl.h>
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#include <grass/gis.h>
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#include <grass/glocale.h>
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#include "local_proto.h"
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/**
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* \fn int Segment_close (SEGMENT *SEG)
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*
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* \brief Free memory allocated to segment, delete temp file.
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*
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* Releases the allocated memory associated with the segment file
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* <b>seg</b> and deletes the temporary file.
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*
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* \param[in,out] SEG segment
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* \return 1 if successful
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* \return -1 if SEGMENT is not available (not open)
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*/
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int
Segment_close
(SEGMENT *SEG)
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{
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if
(SEG->open != 1)
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return
-1;
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if
(SEG->cache) {
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G_free
(SEG->cache);
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}
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else
{
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Segment_release
(SEG);
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close(SEG->fd);
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unlink(SEG->fname);
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SEG->fd = -1;
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SEG->fname =
NULL
;
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}
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SEG->open = 0;
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return
1;
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}
G_free
void G_free(void *buf)
Free allocated memory.
Definition
alloc.c:150
NULL
#define NULL
Definition
ccmath.h:32
Segment_close
int Segment_close(SEGMENT *SEG)
Free memory allocated to segment, delete temp file.
Definition
close.c:33
Segment_release
int Segment_release(SEGMENT *SEG)
Free memory allocated to segment.
Definition
segment/release.c:34
segment
close.c
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