1 /* Id */
2 
3 /*
4  * Copyright (c) 1988-1997 Sam Leffler
5  * Copyright (c) 1991-1997 Silicon Graphics, Inc.
6  *
7  * Permission to use, copy, modify, distribute, and sell this software and
8  * its documentation for any purpose is hereby granted without fee, provided
9  * that (i) the above copyright notices and this permission notice appear in
10  * all copies of the software and related documentation, and (ii) the names of
11  * Sam Leffler and Silicon Graphics may not be used in any advertising or
12  * publicity relating to the software without the specific, prior written
13  * permission of Sam Leffler and Silicon Graphics.
14  *
15  * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
16  * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
17  * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
18  *
19  * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
20  * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
21  * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
22  * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
23  * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
24  * OF THIS SOFTWARE.
25  */
26 
27 /*
28  * TIFF Library.
29  */
30 #include "tiffiop.h"
31 
32 /************************************************************************/
33 /*                            TIFFCleanup()                             */
34 /************************************************************************/
35 
36 /**
37  * Auxiliary function to free the TIFF structure. Given structure will be
38  * completetly freed, so you should save opened file handle and pointer
39  * to the close procedure in external variables before calling
40  * _TIFFCleanup(), if you will need these ones to close the file.
41  *
42  * @param tif A TIFF pointer.
43  */
44 
45 void
TIFFCleanup(TIFF * tif)46 TIFFCleanup(TIFF* tif)
47 {
48   if (tif->tif_mode != O_RDONLY)
49       /*
50        * Flush buffered data and directory (if dirty).
51        */
52       TIFFFlush(tif);
53   (*tif->tif_cleanup)(tif);
54   TIFFFreeDirectory(tif);
55 
56   if (tif->tif_dirlist)
57       _TIFFfree(tif->tif_dirlist);
58 
59   /* Clean up client info links */
60   while( tif->tif_clientinfo )
61   {
62       TIFFClientInfoLink *link = tif->tif_clientinfo;
63 
64       tif->tif_clientinfo = link->next;
65       _TIFFfree( link->name );
66       _TIFFfree( link );
67   }
68 
69   if (tif->tif_rawdata && (tif->tif_flags&TIFF_MYBUFFER))
70       _TIFFfree(tif->tif_rawdata);
71   if (isMapped(tif))
72       TIFFUnmapFileContents(tif, tif->tif_base, tif->tif_size);
73 
74   /* Clean up custom fields */
75   if (tif->tif_nfields > 0)
76   {
77       size_t  i;
78 
79       for (i = 0; i < tif->tif_nfields; i++)
80       {
81     TIFFFieldInfo *fld = tif->tif_fieldinfo[i];
82     if (fld->field_bit == FIELD_CUSTOM &&
83         strncmp("Tag ", fld->field_name, 4) == 0)
84     {
85         _TIFFfree(fld->field_name);
86         _TIFFfree(fld);
87     }
88       }
89 
90       _TIFFfree(tif->tif_fieldinfo);
91   }
92 
93   _TIFFfree(tif);
94 }
95 
96 /************************************************************************/
97 /*                            TIFFClose()                               */
98 /************************************************************************/
99 
100 /**
101  * Close a previously opened TIFF file.
102  *
103  * TIFFClose closes a file that was previously opened with TIFFOpen().
104  * Any buffered data are flushed to the file, including the contents of
105  * the current directory (if modified); and all resources are reclaimed.
106  *
107  * @param tif A TIFF pointer.
108  */
109 
110 void
TIFFClose(TIFF * tif)111 TEXPORT TIFFClose(TIFF* tif)
112 {
113   TIFFCloseProc closeproc = tif->tif_closeproc;
114   thandle_t fd = tif->tif_clientdata;
115 
116   TIFFCleanup(tif);
117   (void) (*closeproc)(fd);
118 }
119 
120