GRASS GIS 8 Programmer's Manual
8.5.0dev(2024)-3a95b7a4e6
segment/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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}
NULL
#define NULL
Definition:
ccmath.h:32
G_free
void G_free(void *)
Free allocated memory.
Definition:
gis/alloc.c:150
Segment_release
int Segment_release(SEGMENT *)
Free memory allocated to segment.
Definition:
segment/release.c:34
gis.h
glocale.h
Segment_close
int Segment_close(SEGMENT *SEG)
Free memory allocated to segment, delete temp file.
Definition:
segment/close.c:33
SEGMENT
Definition:
segment.h:19
SEGMENT::cache
char * cache
Definition:
segment.h:61
SEGMENT::open
int open
Definition:
segment.h:20
SEGMENT::fd
int fd
Definition:
segment.h:43
SEGMENT::fname
char * fname
Definition:
segment.h:42
lib
segment
close.c
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