1 /* $Header: /usr/people/sam/tiff/libtiff/RCS/tif_flush.c,v 1.19 1994/07/26 16:46:03 sam Exp $ */
2
3 /*
4 * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994 Sam Leffler
5 * Copyright (c) 1991, 1992, 1993, 1994 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 int
TIFFFlush(TIFF * tif)33 TIFFFlush(TIFF* tif)
34 {
35
36 if (tif->tif_mode != O_RDONLY) {
37 if (!TIFFFlushData(tif))
38 return (0);
39 if ((tif->tif_flags & TIFF_DIRTYDIRECT) &&
40 !TIFFWriteDirectory(tif))
41 return (0);
42 }
43 return (1);
44 }
45
46 /*
47 * Flush buffered data to the file.
48 */
49 int
TIFFFlushData(TIFF * tif)50 TIFFFlushData(TIFF* tif)
51 {
52 if ((tif->tif_flags & TIFF_BEENWRITING) == 0)
53 return (0);
54 if (tif->tif_flags & TIFF_POSTENCODE) {
55 tif->tif_flags &= ~TIFF_POSTENCODE;
56 if (tif->tif_postencode && !(*tif->tif_postencode)(tif))
57 return (0);
58 }
59 return (TIFFFlushData1(tif));
60 }
61