XFA: Upgrade to libtiff 4.0.6.

third_party/tiff_v403/tif_write.c

Index: third_party/tiff_v403/tif_write.c
diff --git a/third_party/tiff_v403/tif_write.c b/third_party/tiff_v403/tif_write.c
deleted file mode 100644
index f32ee9078b354ace626e3ddf6ea9f63256479b1f..0000000000000000000000000000000000000000
--- a/third_party/tiff_v403/tif_write.c
+++ /dev/null
@@ -1,772 +0,0 @@
-/* $Id: tif_write.c,v 1.37 2012-08-13 22:10:17 fwarmerdam 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.
- *
- * Scanline-oriented Write Support
- */
-#include "tiffiop.h"
-#include <stdio.h>
-
-#define STRIPINCR	20		/* expansion factor on strip array */
-
-#define WRITECHECKSTRIPS(tif, module)				\
-	(((tif)->tif_flags&TIFF_BEENWRITING) || TIFFWriteCheck((tif),0,module))
-#define WRITECHECKTILES(tif, module)				\
-	(((tif)->tif_flags&TIFF_BEENWRITING) || TIFFWriteCheck((tif),1,module))
-#define BUFFERCHECK(tif)					\
-	((((tif)->tif_flags & TIFF_BUFFERSETUP) && tif->tif_rawdata) ||	\
-	    TIFFWriteBufferSetup((tif), NULL, (tmsize_t) -1))
-
-static int TIFFGrowStrips(TIFF* tif, uint32 delta, const char* module);
-static int TIFFAppendToStrip(TIFF* tif, uint32 strip, uint8* data, tmsize_t cc);
-
-int
-TIFFWriteScanline(TIFF* tif, void* buf, uint32 row, uint16 sample)
-{
-	static const char module[] = "TIFFWriteScanline";
-	register TIFFDirectory *td;
-	int status, imagegrew = 0;
-	uint32 strip;
-
-	if (!WRITECHECKSTRIPS(tif, module))
-		return (-1);
-	/*
-	 * Handle delayed allocation of data buffer.  This
-	 * permits it to be sized more intelligently (using
-	 * directory information).
-	 */
-	if (!BUFFERCHECK(tif))
-		return (-1);
-        tif->tif_flags |= TIFF_BUF4WRITE; /* not strictly sure this is right*/
-
-	td = &tif->tif_dir;
-	/*
-	 * Extend image length if needed
-	 * (but only for PlanarConfig=1).
-	 */
-	if (row >= td->td_imagelength) {	/* extend image */
-		if (td->td_planarconfig == PLANARCONFIG_SEPARATE) {
-			TIFFErrorExt(tif->tif_clientdata, module,
-			    "Can not change \"ImageLength\" when using separate planes");
-			return (-1);
-		}
-		td->td_imagelength = row+1;
-		imagegrew = 1;
-	}
-	/*
-	 * Calculate strip and check for crossings.
-	 */
-	if (td->td_planarconfig == PLANARCONFIG_SEPARATE) {
-		if (sample >= td->td_samplesperpixel) {
-			TIFFErrorExt(tif->tif_clientdata, module,
-			    "%lu: Sample out of range, max %lu",
-			    (unsigned long) sample, (unsigned long) td->td_samplesperpixel);
-			return (-1);
-		}
-		strip = sample*td->td_stripsperimage + row/td->td_rowsperstrip;
-	} else
-		strip = row / td->td_rowsperstrip;
-	/*
-	 * Check strip array to make sure there's space. We don't support
-	 * dynamically growing files that have data organized in separate
-	 * bitplanes because it's too painful.  In that case we require that
-	 * the imagelength be set properly before the first write (so that the
-	 * strips array will be fully allocated above).
-	 */
-	if (strip >= td->td_nstrips && !TIFFGrowStrips(tif, 1, module))
-		return (-1);
-	if (strip != tif->tif_curstrip) {
-		/*
-		 * Changing strips -- flush any data present.
-		 */
-		if (!TIFFFlushData(tif))
-			return (-1);
-		tif->tif_curstrip = strip;
-		/*
-		 * Watch out for a growing image.  The value of strips/image
-		 * will initially be 1 (since it can't be deduced until the
-		 * imagelength is known).
-		 */
-		if (strip >= td->td_stripsperimage && imagegrew)
-			td->td_stripsperimage =
-			    TIFFhowmany_32(td->td_imagelength,td->td_rowsperstrip);
-		tif->tif_row =
-		    (strip % td->td_stripsperimage) * td->td_rowsperstrip;
-		if ((tif->tif_flags & TIFF_CODERSETUP) == 0) {
-			if (!(*tif->tif_setupencode)(tif))
-				return (-1);
-			tif->tif_flags |= TIFF_CODERSETUP;
-		}
-        
-		tif->tif_rawcc = 0;
-		tif->tif_rawcp = tif->tif_rawdata;
-
-		if( td->td_stripbytecount[strip] > 0 )
-		{
-			/* if we are writing over existing tiles, zero length */
-			td->td_stripbytecount[strip] = 0;
-
-			/* this forces TIFFAppendToStrip() to do a seek */
-			tif->tif_curoff = 0;
-		}
-
-		if (!(*tif->tif_preencode)(tif, sample))
-			return (-1);
-		tif->tif_flags |= TIFF_POSTENCODE;
-	}
-	/*
-	 * Ensure the write is either sequential or at the
-	 * beginning of a strip (or that we can randomly
-	 * access the data -- i.e. no encoding).
-	 */
-	if (row != tif->tif_row) {
-		if (row < tif->tif_row) {
-			/*
-			 * Moving backwards within the same strip:
-			 * backup to the start and then decode
-			 * forward (below).
-			 */
-			tif->tif_row = (strip % td->td_stripsperimage) *
-			    td->td_rowsperstrip;
-			tif->tif_rawcp = tif->tif_rawdata;
-		}
-		/*
-		 * Seek forward to the desired row.
-		 */
-		if (!(*tif->tif_seek)(tif, row - tif->tif_row))
-			return (-1);
-		tif->tif_row = row;
-	}
-
-	/* swab if needed - note that source buffer will be altered */
-	tif->tif_postdecode( tif, (uint8*) buf, tif->tif_scanlinesize );
-
-	status = (*tif->tif_encoderow)(tif, (uint8*) buf,
-	    tif->tif_scanlinesize, sample);
-
-        /* we are now poised at the beginning of the next row */
-	tif->tif_row = row + 1;
-	return (status);
-}
-
-/*
- * Encode the supplied data and write it to the
- * specified strip.
- *
- * NB: Image length must be setup before writing.
- */
-tmsize_t
-TIFFWriteEncodedStrip(TIFF* tif, uint32 strip, void* data, tmsize_t cc)
-{
-	static const char module[] = "TIFFWriteEncodedStrip";
-	TIFFDirectory *td = &tif->tif_dir;
-	uint16 sample;
-
-	if (!WRITECHECKSTRIPS(tif, module))
-		return ((tmsize_t) -1);
-	/*
-	 * Check strip array to make sure there's space.
-	 * We don't support dynamically growing files that
-	 * have data organized in separate bitplanes because
-	 * it's too painful.  In that case we require that
-	 * the imagelength be set properly before the first
-	 * write (so that the strips array will be fully
-	 * allocated above).
-	 */
-	if (strip >= td->td_nstrips) {
-		if (td->td_planarconfig == PLANARCONFIG_SEPARATE) {
-			TIFFErrorExt(tif->tif_clientdata, module,
-			    "Can not grow image by strips when using separate planes");
-			return ((tmsize_t) -1);
-		}
-		if (!TIFFGrowStrips(tif, 1, module))
-			return ((tmsize_t) -1);
-		td->td_stripsperimage =
-		    TIFFhowmany_32(td->td_imagelength, td->td_rowsperstrip);  
-	}
-	/*
-	 * Handle delayed allocation of data buffer.  This
-	 * permits it to be sized according to the directory
-	 * info.
-	 */
-	if (!BUFFERCHECK(tif))
-		return ((tmsize_t) -1);
-
-        tif->tif_flags |= TIFF_BUF4WRITE;
-	tif->tif_curstrip = strip;
-
-	tif->tif_row = (strip % td->td_stripsperimage) * td->td_rowsperstrip;
-	if ((tif->tif_flags & TIFF_CODERSETUP) == 0) {
-		if (!(*tif->tif_setupencode)(tif))
-			return ((tmsize_t) -1);
-		tif->tif_flags |= TIFF_CODERSETUP;
-	}
-
-	if( td->td_stripbytecount[strip] > 0 )
-        {
-            /* Make sure that at the first attempt of rewriting the tile, we will have */
-            /* more bytes available in the output buffer than the previous byte count, */
-            /* so that TIFFAppendToStrip() will detect the overflow when it is called the first */
-            /* time if the new compressed tile is bigger than the older one. (GDAL #4771) */
-            if( tif->tif_rawdatasize <= (tmsize_t)td->td_stripbytecount[strip] )
-            {
-                if( !(TIFFWriteBufferSetup(tif, NULL,
-                    (tmsize_t)TIFFroundup_64((uint64)(td->td_stripbytecount[strip] + 1), 1024))) )
-                    return ((tmsize_t)(-1));
-            }
-
-	    /* Force TIFFAppendToStrip() to consider placing data at end
-               of file. */
-            tif->tif_curoff = 0;
-        }
-
-    tif->tif_rawcc = 0;
-    tif->tif_rawcp = tif->tif_rawdata;
-
-	tif->tif_flags &= ~TIFF_POSTENCODE;
-	sample = (uint16)(strip / td->td_stripsperimage);
-	if (!(*tif->tif_preencode)(tif, sample))
-		return ((tmsize_t) -1);
-
-        /* swab if needed - note that source buffer will be altered */
-	tif->tif_postdecode( tif, (uint8*) data, cc );
-
-	if (!(*tif->tif_encodestrip)(tif, (uint8*) data, cc, sample))
-		return (0);
-	if (!(*tif->tif_postencode)(tif))
-		return ((tmsize_t) -1);
-	if (!isFillOrder(tif, td->td_fillorder) &&
-	    (tif->tif_flags & TIFF_NOBITREV) == 0)
-		TIFFReverseBits(tif->tif_rawdata, tif->tif_rawcc);
-	if (tif->tif_rawcc > 0 &&
-	    !TIFFAppendToStrip(tif, strip, tif->tif_rawdata, tif->tif_rawcc))
-		return ((tmsize_t) -1);
-	tif->tif_rawcc = 0;
-	tif->tif_rawcp = tif->tif_rawdata;
-	return (cc);
-}
-
-/*
- * Write the supplied data to the specified strip.
- *
- * NB: Image length must be setup before writing.
- */
-tmsize_t
-TIFFWriteRawStrip(TIFF* tif, uint32 strip, void* data, tmsize_t cc)
-{
-	static const char module[] = "TIFFWriteRawStrip";
-	TIFFDirectory *td = &tif->tif_dir;
-
-	if (!WRITECHECKSTRIPS(tif, module))
-		return ((tmsize_t) -1);
-	/*
-	 * Check strip array to make sure there's space.
-	 * We don't support dynamically growing files that
-	 * have data organized in separate bitplanes because
-	 * it's too painful.  In that case we require that
-	 * the imagelength be set properly before the first
-	 * write (so that the strips array will be fully
-	 * allocated above).
-	 */
-	if (strip >= td->td_nstrips) {
-		if (td->td_planarconfig == PLANARCONFIG_SEPARATE) {
-			TIFFErrorExt(tif->tif_clientdata, module,
-			    "Can not grow image by strips when using separate planes");
-			return ((tmsize_t) -1);
-		}
-		/*
-		 * Watch out for a growing image.  The value of
-		 * strips/image will initially be 1 (since it
-		 * can't be deduced until the imagelength is known).
-		 */
-		if (strip >= td->td_stripsperimage)
-			td->td_stripsperimage =
-			    TIFFhowmany_32(td->td_imagelength,td->td_rowsperstrip);
-		if (!TIFFGrowStrips(tif, 1, module))
-			return ((tmsize_t) -1);
-	}
-	tif->tif_curstrip = strip;
-	tif->tif_row = (strip % td->td_stripsperimage) * td->td_rowsperstrip;
-	return (TIFFAppendToStrip(tif, strip, (uint8*) data, cc) ?
-	    cc : (tmsize_t) -1);
-}
-
-/*
- * Write and compress a tile of data.  The
- * tile is selected by the (x,y,z,s) coordinates.
- */
-tmsize_t
-TIFFWriteTile(TIFF* tif, void* buf, uint32 x, uint32 y, uint32 z, uint16 s)
-{
-	if (!TIFFCheckTile(tif, x, y, z, s))
-		return ((tmsize_t)(-1));
-	/*
-	 * NB: A tile size of -1 is used instead of tif_tilesize knowing
-	 *     that TIFFWriteEncodedTile will clamp this to the tile size.
-	 *     This is done because the tile size may not be defined until
-	 *     after the output buffer is setup in TIFFWriteBufferSetup.
-	 */
-	return (TIFFWriteEncodedTile(tif,
-	    TIFFComputeTile(tif, x, y, z, s), buf, (tmsize_t)(-1)));
-}
-
-/*
- * Encode the supplied data and write it to the
- * specified tile.  There must be space for the
- * data.  The function clamps individual writes
- * to a tile to the tile size, but does not (and
- * can not) check that multiple writes to the same
- * tile do not write more than tile size data.
- *
- * NB: Image length must be setup before writing; this
- *     interface does not support automatically growing
- *     the image on each write (as TIFFWriteScanline does).
- */
-tmsize_t
-TIFFWriteEncodedTile(TIFF* tif, uint32 tile, void* data, tmsize_t cc)
-{
-	static const char module[] = "TIFFWriteEncodedTile";
-	TIFFDirectory *td;
-	uint16 sample;
-
-	if (!WRITECHECKTILES(tif, module))
-		return ((tmsize_t)(-1));
-	td = &tif->tif_dir;
-	if (tile >= td->td_nstrips) {
-		TIFFErrorExt(tif->tif_clientdata, module, "Tile %lu out of range, max %lu",
-		    (unsigned long) tile, (unsigned long) td->td_nstrips);
-		return ((tmsize_t)(-1));
-	}
-	/*
-	 * Handle delayed allocation of data buffer.  This
-	 * permits it to be sized more intelligently (using
-	 * directory information).
-	 */
-	if (!BUFFERCHECK(tif))
-		return ((tmsize_t)(-1));
-
-        tif->tif_flags |= TIFF_BUF4WRITE;
-	tif->tif_curtile = tile;
-
-	if( td->td_stripbytecount[tile] > 0 )
-        {
-            /* Make sure that at the first attempt of rewriting the tile, we will have */
-            /* more bytes available in the output buffer than the previous byte count, */
-            /* so that TIFFAppendToStrip() will detect the overflow when it is called the first */
-            /* time if the new compressed tile is bigger than the older one. (GDAL #4771) */
-            if( tif->tif_rawdatasize <= (tmsize_t)td->td_stripbytecount[tile] )
-            {
-                if( !(TIFFWriteBufferSetup(tif, NULL,
-                    (tmsize_t)TIFFroundup_64((uint64)(td->td_stripbytecount[tile] + 1), 1024))) )
-                    return ((tmsize_t)(-1));
-            }
-
-	    /* Force TIFFAppendToStrip() to consider placing data at end
-               of file. */
-            tif->tif_curoff = 0;
-        }
-
-    tif->tif_rawcc = 0;
-    tif->tif_rawcp = tif->tif_rawdata;
-
-	/* 
-	 * Compute tiles per row & per column to compute
-	 * current row and column
-	 */
-	tif->tif_row = (tile % TIFFhowmany_32(td->td_imagelength, td->td_tilelength))
-		* td->td_tilelength;
-	tif->tif_col = (tile % TIFFhowmany_32(td->td_imagewidth, td->td_tilewidth))
-		* td->td_tilewidth;
-
-	if ((tif->tif_flags & TIFF_CODERSETUP) == 0) {
-		if (!(*tif->tif_setupencode)(tif))
-			return ((tmsize_t)(-1));
-		tif->tif_flags |= TIFF_CODERSETUP;
-	}
-	tif->tif_flags &= ~TIFF_POSTENCODE;
-	sample = (uint16)(tile/td->td_stripsperimage);
-	if (!(*tif->tif_preencode)(tif, sample))
-		return ((tmsize_t)(-1));
-	/*
-	 * Clamp write amount to the tile size.  This is mostly
-	 * done so that callers can pass in some large number
-	 * (e.g. -1) and have the tile size used instead.
-	 */
-	if ( cc < 1 || cc > tif->tif_tilesize)
-		cc = tif->tif_tilesize;
-
-        /* swab if needed - note that source buffer will be altered */
-	tif->tif_postdecode( tif, (uint8*) data, cc );
-
-	if (!(*tif->tif_encodetile)(tif, (uint8*) data, cc, sample))
-		return (0);
-	if (!(*tif->tif_postencode)(tif))
-		return ((tmsize_t)(-1));
-	if (!isFillOrder(tif, td->td_fillorder) &&
-	    (tif->tif_flags & TIFF_NOBITREV) == 0)
-		TIFFReverseBits((uint8*)tif->tif_rawdata, tif->tif_rawcc);
-	if (tif->tif_rawcc > 0 && !TIFFAppendToStrip(tif, tile,
-	    tif->tif_rawdata, tif->tif_rawcc))
-		return ((tmsize_t)(-1));
-	tif->tif_rawcc = 0;
-	tif->tif_rawcp = tif->tif_rawdata;
-	return (cc);
-}
-
-/*
- * Write the supplied data to the specified strip.
- * There must be space for the data; we don't check
- * if strips overlap!
- *
- * NB: Image length must be setup before writing; this
- *     interface does not support automatically growing
- *     the image on each write (as TIFFWriteScanline does).
- */
-tmsize_t
-TIFFWriteRawTile(TIFF* tif, uint32 tile, void* data, tmsize_t cc)
-{
-	static const char module[] = "TIFFWriteRawTile";
-
-	if (!WRITECHECKTILES(tif, module))
-		return ((tmsize_t)(-1));
-	if (tile >= tif->tif_dir.td_nstrips) {
-		TIFFErrorExt(tif->tif_clientdata, module, "Tile %lu out of range, max %lu",
-		    (unsigned long) tile,
-		    (unsigned long) tif->tif_dir.td_nstrips);
-		return ((tmsize_t)(-1));
-	}
-	return (TIFFAppendToStrip(tif, tile, (uint8*) data, cc) ?
-	    cc : (tmsize_t)(-1));
-}
-
-#define	isUnspecified(tif, f) \
-    (TIFFFieldSet(tif,f) && (tif)->tif_dir.td_imagelength == 0)
-
-int
-TIFFSetupStrips(TIFF* tif)
-{
-	TIFFDirectory* td = &tif->tif_dir;
-
-	if (isTiled(tif))
-		td->td_stripsperimage =
-		    isUnspecified(tif, FIELD_TILEDIMENSIONS) ?
-			td->td_samplesperpixel : TIFFNumberOfTiles(tif);
-	else
-		td->td_stripsperimage =
-		    isUnspecified(tif, FIELD_ROWSPERSTRIP) ?
-			td->td_samplesperpixel : TIFFNumberOfStrips(tif);
-	td->td_nstrips = td->td_stripsperimage;
-	if (td->td_planarconfig == PLANARCONFIG_SEPARATE)
-		td->td_stripsperimage /= td->td_samplesperpixel;
-	td->td_stripoffset = (uint64 *)
-	    _TIFFmalloc(td->td_nstrips * sizeof (uint64));
-	td->td_stripbytecount = (uint64 *)
-	    _TIFFmalloc(td->td_nstrips * sizeof (uint64));
-	if (td->td_stripoffset == NULL || td->td_stripbytecount == NULL)
-		return (0);
-	/*
-	 * Place data at the end-of-file
-	 * (by setting offsets to zero).
-	 */
-	_TIFFmemset(td->td_stripoffset, 0, td->td_nstrips*sizeof (uint64));
-	_TIFFmemset(td->td_stripbytecount, 0, td->td_nstrips*sizeof (uint64));
-	TIFFSetFieldBit(tif, FIELD_STRIPOFFSETS);
-	TIFFSetFieldBit(tif, FIELD_STRIPBYTECOUNTS);
-	return (1);
-}
-#undef isUnspecified
-
-/*
- * Verify file is writable and that the directory
- * information is setup properly.  In doing the latter
- * we also "freeze" the state of the directory so
- * that important information is not changed.
- */
-int
-TIFFWriteCheck(TIFF* tif, int tiles, const char* module)
-{
-	if (tif->tif_mode == O_RDONLY) {
-		TIFFErrorExt(tif->tif_clientdata, module, "File not open for writing");
-		return (0);
-	}
-	if (tiles ^ isTiled(tif)) {
-		TIFFErrorExt(tif->tif_clientdata, module, tiles ?
-		    "Can not write tiles to a stripped image" :
-		    "Can not write scanlines to a tiled image");
-		return (0);
-	}
-
-        _TIFFFillStriles( tif );
-        
-	/*
-	 * On the first write verify all the required information
-	 * has been setup and initialize any data structures that
-	 * had to wait until directory information was set.
-	 * Note that a lot of our work is assumed to remain valid
-	 * because we disallow any of the important parameters
-	 * from changing after we start writing (i.e. once
-	 * TIFF_BEENWRITING is set, TIFFSetField will only allow
-	 * the image's length to be changed).
-	 */
-	if (!TIFFFieldSet(tif, FIELD_IMAGEDIMENSIONS)) {
-		TIFFErrorExt(tif->tif_clientdata, module,
-		    "Must set \"ImageWidth\" before writing data");
-		return (0);
-	}
-	if (tif->tif_dir.td_samplesperpixel == 1) {
-		/* 
-		 * Planarconfiguration is irrelevant in case of single band
-		 * images and need not be included. We will set it anyway,
-		 * because this field is used in other parts of library even
-		 * in the single band case.
-		 */
-		if (!TIFFFieldSet(tif, FIELD_PLANARCONFIG))
-                    tif->tif_dir.td_planarconfig = PLANARCONFIG_CONTIG;
-	} else {
-		if (!TIFFFieldSet(tif, FIELD_PLANARCONFIG)) {
-			TIFFErrorExt(tif->tif_clientdata, module,
-			    "Must set \"PlanarConfiguration\" before writing data");
-			return (0);
-		}
-	}
-	if (tif->tif_dir.td_stripoffset == NULL && !TIFFSetupStrips(tif)) {
-		tif->tif_dir.td_nstrips = 0;
-		TIFFErrorExt(tif->tif_clientdata, module, "No space for %s arrays",
-		    isTiled(tif) ? "tile" : "strip");
-		return (0);
-	}
-	if (isTiled(tif))
-	{
-		tif->tif_tilesize = TIFFTileSize(tif);
-		if (tif->tif_tilesize == 0)
-			return (0);
-	}
-	else
-		tif->tif_tilesize = (tmsize_t)(-1);
-	tif->tif_scanlinesize = TIFFScanlineSize(tif);
-	if (tif->tif_scanlinesize == 0)
-		return (0);
-	tif->tif_flags |= TIFF_BEENWRITING;
-	return (1);
-}
-
-/*
- * Setup the raw data buffer used for encoding.
- */
-int
-TIFFWriteBufferSetup(TIFF* tif, void* bp, tmsize_t size)
-{
-	static const char module[] = "TIFFWriteBufferSetup";
-
-	if (tif->tif_rawdata) {
-		if (tif->tif_flags & TIFF_MYBUFFER) {
-			_TIFFfree(tif->tif_rawdata);
-			tif->tif_flags &= ~TIFF_MYBUFFER;
-		}
-		tif->tif_rawdata = NULL;
-	}
-	if (size == (tmsize_t)(-1)) {
-		size = (isTiled(tif) ?
-		    tif->tif_tilesize : TIFFStripSize(tif));
-		/*
-		 * Make raw data buffer at least 8K
-		 */
-		if (size < 8*1024)
-			size = 8*1024;
-		bp = NULL;			/* NB: force malloc */
-	}
-	if (bp == NULL) {
-		bp = _TIFFmalloc(size);
-		if (bp == NULL) {
-			TIFFErrorExt(tif->tif_clientdata, module, "No space for output buffer");
-			return (0);
-		}
-		tif->tif_flags |= TIFF_MYBUFFER;
-	} else
-		tif->tif_flags &= ~TIFF_MYBUFFER;
-	tif->tif_rawdata = (uint8*) bp;
-	tif->tif_rawdatasize = size;
-	tif->tif_rawcc = 0;
-	tif->tif_rawcp = tif->tif_rawdata;
-	tif->tif_flags |= TIFF_BUFFERSETUP;
-	return (1);
-}
-
-/*
- * Grow the strip data structures by delta strips.
- */
-static int
-TIFFGrowStrips(TIFF* tif, uint32 delta, const char* module)
-{
-	TIFFDirectory *td = &tif->tif_dir;
-	uint64* new_stripoffset;
-	uint64* new_stripbytecount;
-
-	assert(td->td_planarconfig == PLANARCONFIG_CONTIG);
-	new_stripoffset = (uint64*)_TIFFrealloc(td->td_stripoffset,
-		(td->td_nstrips + delta) * sizeof (uint64));
-	new_stripbytecount = (uint64*)_TIFFrealloc(td->td_stripbytecount,
-		(td->td_nstrips + delta) * sizeof (uint64));
-	if (new_stripoffset == NULL || new_stripbytecount == NULL) {
-		if (new_stripoffset)
-			_TIFFfree(new_stripoffset);
-		if (new_stripbytecount)
-			_TIFFfree(new_stripbytecount);
-		td->td_nstrips = 0;
-		TIFFErrorExt(tif->tif_clientdata, module, "No space to expand strip arrays");
-		return (0);
-	}
-	td->td_stripoffset = new_stripoffset;
-	td->td_stripbytecount = new_stripbytecount;
-	_TIFFmemset(td->td_stripoffset + td->td_nstrips,
-		    0, delta*sizeof (uint64));
-	_TIFFmemset(td->td_stripbytecount + td->td_nstrips,
-		    0, delta*sizeof (uint64));
-	td->td_nstrips += delta;
-        tif->tif_flags |= TIFF_DIRTYDIRECT;
-
-	return (1);
-}
-
-/*
- * Append the data to the specified strip.
- */
-static int
-TIFFAppendToStrip(TIFF* tif, uint32 strip, uint8* data, tmsize_t cc)
-{
-	static const char module[] = "TIFFAppendToStrip";
-	TIFFDirectory *td = &tif->tif_dir;
-	uint64 m;
-        int64 old_byte_count = -1;
-
-	if (td->td_stripoffset[strip] == 0 || tif->tif_curoff == 0) {
-            assert(td->td_nstrips > 0);
-
-            if( td->td_stripbytecount[strip] != 0 
-                && td->td_stripoffset[strip] != 0 
-                && td->td_stripbytecount[strip] >= (uint64) cc )
-            {
-                /* 
-                 * There is already tile data on disk, and the new tile
-                 * data we have will fit in the same space.  The only 
-                 * aspect of this that is risky is that there could be
-                 * more data to append to this strip before we are done
-                 * depending on how we are getting called.
-                 */
-                if (!SeekOK(tif, td->td_stripoffset[strip])) {
-                    TIFFErrorExt(tif->tif_clientdata, module,
-                                 "Seek error at scanline %lu",
-                                 (unsigned long)tif->tif_row);
-                    return (0);
-                }
-            }
-            else
-            {
-                /* 
-                 * Seek to end of file, and set that as our location to 
-                 * write this strip.
-                 */
-                td->td_stripoffset[strip] = TIFFSeekFile(tif, 0, SEEK_END);
-                tif->tif_flags |= TIFF_DIRTYSTRIP;
-            }
-
-            tif->tif_curoff = td->td_stripoffset[strip];
-
-            /*
-             * We are starting a fresh strip/tile, so set the size to zero.
-             */
-            old_byte_count = td->td_stripbytecount[strip];
-            td->td_stripbytecount[strip] = 0;
-	}
-
-	m = tif->tif_curoff+cc;
-	if (!(tif->tif_flags&TIFF_BIGTIFF))
-		m = (uint32)m;
-	if ((m<tif->tif_curoff)||(m<(uint64)cc))
-	{
-		TIFFErrorExt(tif->tif_clientdata, module, "Maximum TIFF file size exceeded");
-		return (0);
-	}
-	if (!WriteOK(tif, data, cc)) {
-		TIFFErrorExt(tif->tif_clientdata, module, "Write error at scanline %lu",
-		    (unsigned long) tif->tif_row);
-		    return (0);
-	}
-	tif->tif_curoff = m;
-	td->td_stripbytecount[strip] += cc;
-
-        if( (int64) td->td_stripbytecount[strip] != old_byte_count )
-            tif->tif_flags |= TIFF_DIRTYSTRIP;
-            
-	return (1);
-}
-
-/*
- * Internal version of TIFFFlushData that can be
- * called by ``encodestrip routines'' w/o concern
- * for infinite recursion.
- */
-int
-TIFFFlushData1(TIFF* tif)
-{
-	if (tif->tif_rawcc > 0 && tif->tif_flags & TIFF_BUF4WRITE ) {
-		if (!isFillOrder(tif, tif->tif_dir.td_fillorder) &&
-		    (tif->tif_flags & TIFF_NOBITREV) == 0)
-			TIFFReverseBits((uint8*)tif->tif_rawdata,
-			    tif->tif_rawcc);
-		if (!TIFFAppendToStrip(tif,
-		    isTiled(tif) ? tif->tif_curtile : tif->tif_curstrip,
-		    tif->tif_rawdata, tif->tif_rawcc))
-			return (0);
-		tif->tif_rawcc = 0;
-		tif->tif_rawcp = tif->tif_rawdata;
-	}
-	return (1);
-}
-
-/*
- * Set the current write offset.  This should only be
- * used to set the offset to a known previous location
- * (very carefully), or to 0 so that the next write gets
- * appended to the end of the file.
- */
-void
-TIFFSetWriteOffset(TIFF* tif, toff_t off)
-{
-	tif->tif_curoff = off;
-}
-
-/* vim: set ts=8 sts=8 sw=8 noet: */
-/*
- * Local Variables:
- * mode: c
- * c-basic-offset: 8
- * fill-column: 78
- * End:
- */
-