1 /* $Id: tif_close.c,v 1.19 2010-03-10 18:56:48 bfriesen Exp $ */
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 #include <string.h>
32
33 /************************************************************************/
34 /* TIFFCleanup() */
35 /************************************************************************/
36
37 /**
38 * Auxiliary function to free the TIFF structure. Given structure will be
39 * completetly freed, so you should save opened file handle and pointer
40 * to the close procedure in external variables before calling
41 * _TIFFCleanup(), if you will need these ones to close the file.
42 *
43 * @param tif A TIFF pointer.
44 */
45
46 void
TIFFCleanup(TIFF * tif)47 TIFFCleanup(TIFF* tif)
48 {
49 /*
50 * Flush buffered data and directory (if dirty).
51 */
52 if (tif->tif_mode != O_RDONLY)
53 TIFFFlush(tif);
54 (*tif->tif_cleanup)(tif);
55 TIFFFreeDirectory(tif);
56
57 if (tif->tif_dirlist)
58 _TIFFfree(tif->tif_dirlist);
59
60 /*
61 * Clean up client info links.
62 */
63 while( tif->tif_clientinfo )
64 {
65 TIFFClientInfoLink *link = tif->tif_clientinfo;
66
67 tif->tif_clientinfo = link->next;
68 _TIFFfree( link->name );
69 _TIFFfree( link );
70 }
71
72 if (tif->tif_rawdata && (tif->tif_flags&TIFF_MYBUFFER))
73 _TIFFfree(tif->tif_rawdata);
74 if (isMapped(tif))
75 TIFFUnmapFileContents(tif, tif->tif_base, (toff_t)tif->tif_size);
76
77 /*
78 * Clean up custom fields.
79 */
80 if (tif->tif_fields && tif->tif_nfields > 0) {
81 uint32 i;
82
83 for (i = 0; i < tif->tif_nfields; i++) {
84 TIFFField *fld = tif->tif_fields[i];
85 if (fld->field_bit == FIELD_CUSTOM &&
86 strncmp("Tag ", fld->field_name, 4) == 0) {
87 _TIFFfree(fld->field_name);
88 _TIFFfree(fld);
89 }
90 }
91
92 _TIFFfree(tif->tif_fields);
93 }
94
95 if (tif->tif_nfieldscompat > 0) {
96 uint32 i;
97
98 for (i = 0; i < tif->tif_nfieldscompat; i++) {
99 if (tif->tif_fieldscompat[i].allocated_size)
100 _TIFFfree(tif->tif_fieldscompat[i].fields);
101 }
102 _TIFFfree(tif->tif_fieldscompat);
103 }
104
105 _TIFFfree(tif);
106 }
107
108 /************************************************************************/
109 /* TIFFClose() */
110 /************************************************************************/
111
112 /**
113 * Close a previously opened TIFF file.
114 *
115 * TIFFClose closes a file that was previously opened with TIFFOpen().
116 * Any buffered data are flushed to the file, including the contents of
117 * the current directory (if modified); and all resources are reclaimed.
118 *
119 * @param tif A TIFF pointer.
120 */
121
122 void
TIFFClose(TIFF * tif)123 TIFFClose(TIFF* tif)
124 {
125 TIFFCloseProc closeproc = tif->tif_closeproc;
126 thandle_t fd = tif->tif_clientdata;
127
128 TIFFCleanup(tif);
129 (void) (*closeproc)(fd);
130 }
131
132 /* vim: set ts=8 sts=8 sw=8 noet: */
133
134 /*
135 * Local Variables:
136 * mode: c
137 * c-basic-offset: 8
138 * fill-column: 78
139 * End:
140 */
141