1 /*
2 * Copyright (c) 1988-1997 Sam Leffler
3 * Copyright (c) 1991-1997 Silicon Graphics, Inc.
4 *
5 * Permission to use, copy, modify, distribute, and sell this software and
6 * its documentation for any purpose is hereby granted without fee, provided
7 * that (i) the above copyright notices and this permission notice appear in
8 * all copies of the software and related documentation, and (ii) the names of
9 * Sam Leffler and Silicon Graphics may not be used in any advertising or
10 * publicity relating to the software without the specific, prior written
11 * permission of Sam Leffler and Silicon Graphics.
12 *
13 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
14 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
15 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
16 *
17 * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
18 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
19 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
20 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
21 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
22 * OF THIS SOFTWARE.
23 */
24
25 /*
26 * TIFF Library.
27 */
28 #include "tiffiop.h"
29 #include <string.h>
30
31 /************************************************************************/
32 /* TIFFCleanup() */
33 /************************************************************************/
34
35 /**
36 * Auxiliary function to free the TIFF structure. Given structure will be
37 * completely freed, so you should save opened file handle and pointer
38 * to the close procedure in external variables before calling
39 * _TIFFCleanup(), if you will need these ones to close the file.
40 *
41 * @param tif A TIFF pointer.
42 */
43
44 void
TIFFCleanup(TIFF * tif)45 TIFFCleanup(TIFF* tif)
46 {
47 /*
48 * Flush buffered data and directory (if dirty).
49 */
50 if (tif->tif_mode != O_RDONLY)
51 TIFFFlush(tif);
52 (*tif->tif_cleanup)(tif);
53 TIFFFreeDirectory(tif);
54
55 if (tif->tif_dirlist)
56 _TIFFfree(tif->tif_dirlist);
57
58 /*
59 * Clean up client info links.
60 */
61 while( tif->tif_clientinfo )
62 {
63 TIFFClientInfoLink *psLink = tif->tif_clientinfo;
64
65 tif->tif_clientinfo = psLink->next;
66 _TIFFfree( psLink->name );
67 _TIFFfree( psLink );
68 }
69
70 if (tif->tif_rawdata && (tif->tif_flags&TIFF_MYBUFFER))
71 _TIFFfree(tif->tif_rawdata);
72 if (isMapped(tif))
73 TIFFUnmapFileContents(tif, tif->tif_base, (toff_t)tif->tif_size);
74
75 /*
76 * Clean up custom fields.
77 */
78 if (tif->tif_fields && tif->tif_nfields > 0) {
79 uint32 i;
80
81 for (i = 0; i < tif->tif_nfields; i++) {
82 TIFFField *fld = tif->tif_fields[i];
83 if (fld->field_bit == FIELD_CUSTOM &&
84 strncmp("Tag ", fld->field_name, 4) == 0) {
85 _TIFFfree(fld->field_name);
86 _TIFFfree(fld);
87 }
88 }
89
90 _TIFFfree(tif->tif_fields);
91 }
92
93 if (tif->tif_nfieldscompat > 0) {
94 uint32 i;
95
96 for (i = 0; i < tif->tif_nfieldscompat; i++) {
97 if (tif->tif_fieldscompat[i].allocated_size)
98 _TIFFfree(tif->tif_fieldscompat[i].fields);
99 }
100 _TIFFfree(tif->tif_fieldscompat);
101 }
102
103 _TIFFfree(tif);
104 }
105
106 /************************************************************************/
107 /* TIFFClose() */
108 /************************************************************************/
109
110 /**
111 * Close a previously opened TIFF file.
112 *
113 * TIFFClose closes a file that was previously opened with TIFFOpen().
114 * Any buffered data are flushed to the file, including the contents of
115 * the current directory (if modified); and all resources are reclaimed.
116 *
117 * @param tif A TIFF pointer.
118 */
119
120 void
TIFFClose(TIFF * tif)121 TIFFClose(TIFF* tif)
122 {
123 TIFFCloseProc closeproc = tif->tif_closeproc;
124 thandle_t fd = tif->tif_clientdata;
125
126 TIFFCleanup(tif);
127 (void) (*closeproc)(fd);
128 }
129
130 /* vim: set ts=8 sts=8 sw=8 noet: */
131
132 /*
133 * Local Variables:
134 * mode: c
135 * c-basic-offset: 8
136 * fill-column: 78
137 * End:
138 */
139