/src/gdal/frmts/gtiff/libgeotiff/geo_free.c
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1  |  | /**********************************************************************  | 
2  |  |  *  | 
3  |  |  *  geo_free.c  -- Public routines for GEOTIFF GeoKey access.  | 
4  |  |  *  | 
5  |  |  *    Written By: Niles D. Ritter.  | 
6  |  |  *  | 
7  |  |  *  copyright (c) 1995   Niles D. Ritter  | 
8  |  |  *  | 
9  |  |  *  Permission granted to use this software, so long as this copyright  | 
10  |  |  *  notice accompanies any products derived therefrom.  | 
11  |  |  *  | 
12  |  |  **********************************************************************/  | 
13  |  |  | 
14  |  | #include "geotiff.h"   /* public interface        */  | 
15  |  | #include "geo_tiffp.h" /* external TIFF interface */  | 
16  |  | #include "geo_keyp.h"  /* private interface       */  | 
17  |  |  | 
18  |  | #include "proj.h"  | 
19  |  |  | 
20  |  | /**********************************************************************  | 
21  |  |  *  | 
22  |  |  *                        Public Routines  | 
23  |  |  *  | 
24  |  |  **********************************************************************/  | 
25  |  |  | 
26  |  | /**  | 
27  |  |  | 
28  |  | This function deallocates an existing GeoTIFF access handle previously  | 
29  |  | created with GTIFNew().  If the handle was  | 
30  |  | used to write GeoTIFF keys to the TIFF file, the  | 
31  |  | GTIFWriteKeys() function should be used  | 
32  |  | to flush results to the file before calling GTIFFree().  GTIFFree()  | 
33  |  | should be called before XTIFFClose() is  | 
34  |  | called on the corresponding TIFF file handle.<p>  | 
35  |  |  | 
36  |  | */  | 
37  |  |  | 
38  |  | void GTIFFree(GTIF* gtif)  | 
39  | 0  | { | 
40  | 0  |     if (!gtif) return;  | 
41  |  |  | 
42  |  |     /* Free parameter arrays */  | 
43  | 0  |     if (gtif->gt_double) _GTIFFree (gtif->gt_double);  | 
44  | 0  |     if (gtif->gt_short) _GTIFFree (gtif->gt_short);  | 
45  |  |  | 
46  |  |     /* Free GeoKey arrays */  | 
47  | 0  |     if (gtif->gt_keys)  | 
48  | 0  |     { | 
49  | 0  |         for (int i = 0; i < MAX_KEYS; i++)  | 
50  | 0  |         { | 
51  | 0  |             if (gtif->gt_keys[i].gk_type == TYPE_ASCII)  | 
52  | 0  |             { | 
53  | 0  |                 _GTIFFree (gtif->gt_keys[i].gk_data);  | 
54  | 0  |             }  | 
55  | 0  |         }  | 
56  | 0  |         _GTIFFree (gtif->gt_keys);  | 
57  | 0  |     }  | 
58  | 0  |     if (gtif->gt_keyindex) _GTIFFree (gtif->gt_keyindex);  | 
59  |  | 
  | 
60  | 0  |     if (gtif->own_pj_context)  | 
61  | 0  |     { | 
62  | 0  |         proj_context_destroy(gtif->pj_context);  | 
63  | 0  |     }  | 
64  |  | 
  | 
65  | 0  |     _GTIFFree (gtif);  | 
66  | 0  | }  |