Update to 2.0.0 tree from current Fremantle build

[opencv] / 3rdparty / libtiff / tif_flush.c

diff --git a/3rdparty/libtiff/tif_flush.c b/3rdparty/libtiff/tif_flush.c
new file mode 100644 (file)
index 0000000..981d5dd
--- /dev/null
+++ b/3rdparty/libtiff/tif_flush.c
@@ -0,0 +1,67 @@
+/* $Header: /home/vp/work/opencv-cvsbackup/opencv/3rdparty/libtiff/tif_flush.c,v 1.1 2005-06-17 13:54:52 vp153 Exp $ */
+
+/*
+ * Copyright (c) 1988-1997 Sam Leffler
+ * Copyright (c) 1991-1997 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and 
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the names of
+ * Sam Leffler and Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Sam Leffler and Silicon Graphics.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
+ * 
+ * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 
+ * OF THIS SOFTWARE.
+ */
+
+/*
+ * TIFF Library.
+ */
+#include "tiffiop.h"
+
+int
+TIFFFlush(TIFF* tif)
+{
+
+       if (tif->tif_mode != O_RDONLY) {
+               if (!TIFFFlushData(tif))
+                       return (0);
+               if ((tif->tif_flags & TIFF_DIRTYDIRECT) &&
+                   !TIFFWriteDirectory(tif))
+                       return (0);
+       }
+       return (1);
+}
+
+/*
+ * Flush buffered data to the file.
+ *
+ * Frank Warmerdam'2000: I modified this to return 1 if TIFF_BEENWRITING
+ * is not set, so that TIFFFlush() will proceed to write out the directory.
+ * The documentation says returning 1 is an error indicator, but not having
+ * been writing isn't exactly a an error.  Hopefully this doesn't cause
+ * problems for other people. 
+ */
+int
+TIFFFlushData(TIFF* tif)
+{
+       if ((tif->tif_flags & TIFF_BEENWRITING) == 0)
+               return (0);
+       if (tif->tif_flags & TIFF_POSTENCODE) {
+               tif->tif_flags &= ~TIFF_POSTENCODE;
+               if (!(*tif->tif_postencode)(tif))
+                       return (0);
+       }
+       return (TIFFFlushData1(tif));
+}
+