]>
Commit | Line | Data |
---|---|---|
8414a40c VZ |
1 | /* $Header: /cvs/maptools/cvsroot/libtiff/libtiff/tif_flush.c,v 1.3 2000/09/15 20:52:42 warmerda 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 | ||
32 | int | |
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 | * Frank Warmerdam'2000: I modified this to return 1 if TIFF_BEENWRITING | |
50 | * is not set, so that TIFFFlush() will proceed to write out the directory. | |
51 | * The documentation says returning 1 is an error indicator, but not having | |
52 | * been writing isn't exactly a an error. Hopefully this doesn't cause | |
53 | * problems for other people. | |
54 | */ | |
55 | int | |
56 | TIFFFlushData(TIFF* tif) | |
57 | { | |
58 | if ((tif->tif_flags & TIFF_BEENWRITING) == 0) | |
59 | return (0); | |
60 | if (tif->tif_flags & TIFF_POSTENCODE) { | |
61 | tif->tif_flags &= ~TIFF_POSTENCODE; | |
62 | if (!(*tif->tif_postencode)(tif)) | |
63 | return (0); | |
64 | } | |
65 | return (TIFFFlushData1(tif)); | |
66 | } | |
67 |