Imported Upstream version 1.8.0upstream/1.8.0

1 files changed, 0 insertions, 750 deletions

diff --git a/tiff/libtiff/tif_read.c b/tiff/libtiff/tif_read.c
deleted file mode 100644
index 8ac0ae6..0000000
--- a/tiff/libtiff/tif_read.c
+++ /dev/null
@@ -1,750 +0,0 @@
-/* $Id: tif_read.c,v 1.16.2.3 2010-06-09 14:32:47 bfriesen 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 Read Support
- */
-#include "tiffiop.h"
-#include <stdio.h>
-
-	int TIFFFillStrip(TIFF*, tstrip_t);
-	int TIFFFillTile(TIFF*, ttile_t);
-static	int TIFFStartStrip(TIFF*, tstrip_t);
-static	int TIFFStartTile(TIFF*, ttile_t);
-static	int TIFFCheckRead(TIFF*, int);
-
-#define	NOSTRIP	((tstrip_t) -1)			/* undefined state */
-#define	NOTILE	((ttile_t) -1)			/* undefined state */
-
-/*
- * Seek to a random row+sample in a file.
- */
-static int
-TIFFSeek(TIFF* tif, uint32 row, tsample_t sample)
-{
-	register TIFFDirectory *td = &tif->tif_dir;
-	tstrip_t strip;
-
-	if (row >= td->td_imagelength) {	/* out of range */
-		TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
-			     "%lu: Row out of range, max %lu",
-			     (unsigned long) row,
-			     (unsigned long) td->td_imagelength);
-		return (0);
-	}
-	if (td->td_planarconfig == PLANARCONFIG_SEPARATE) {
-		if (sample >= td->td_samplesperpixel) {
-			TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
-			    "%lu: Sample out of range, max %lu",
-			    (unsigned long) sample, (unsigned long) td->td_samplesperpixel);
-			return (0);
-		}
-		strip = sample*td->td_stripsperimage + row/td->td_rowsperstrip;
-	} else
-		strip = row / td->td_rowsperstrip;
-	if (strip != tif->tif_curstrip) {	/* different strip, refill */
-		if (!TIFFFillStrip(tif, strip))
-			return (0);
-	} else if (row < tif->tif_row) {
-		/*
-		 * Moving backwards within the same strip: backup
-		 * to the start and then decode forward (below).
-		 *
-		 * NB: If you're planning on lots of random access within a
-		 * strip, it's better to just read and decode the entire
-		 * strip, and then access the decoded data in a random fashion.
-		 */
-		if (!TIFFStartStrip(tif, strip))
-			return (0);
-	}
-	if (row != tif->tif_row) {
-		/*
-		 * Seek forward to the desired row.
-		 */
-		if (!(*tif->tif_seek)(tif, row - tif->tif_row))
-			return (0);
-		tif->tif_row = row;
-	}
-	return (1);
-}
-
-int
-TIFFReadScanline(TIFF* tif, tdata_t buf, uint32 row, tsample_t sample)
-{
-	int e;
-
-	if (!TIFFCheckRead(tif, 0))
-		return (-1);
-	if( (e = TIFFSeek(tif, row, sample)) != 0) {
-		/*
-		 * Decompress desired row into user buffer.
-		 */
-		e = (*tif->tif_decoderow)
-		    (tif, (tidata_t) buf, tif->tif_scanlinesize, sample);
-
-		/* we are now poised at the beginning of the next row */
-		tif->tif_row = row + 1;
-
-		if (e)
-			(*tif->tif_postdecode)(tif, (tidata_t) buf,
-			    tif->tif_scanlinesize);
-	}
-	return (e > 0 ? 1 : -1);
-}
-
-/*
- * Read a strip of data and decompress the specified
- * amount into the user-supplied buffer.
- */
-tsize_t
-TIFFReadEncodedStrip(TIFF* tif, tstrip_t strip, tdata_t buf, tsize_t size)
-{
-	TIFFDirectory *td = &tif->tif_dir;
-	uint32 nrows;
-	tsize_t stripsize;
-        tstrip_t sep_strip, strips_per_sep;
-
-	if (!TIFFCheckRead(tif, 0))
-		return (-1);
-	if (strip >= td->td_nstrips) {
-		TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
-			     "%ld: Strip out of range, max %ld",
-			     (long) strip, (long) td->td_nstrips);
-		return (-1);
-	}
-	/*
-	 * Calculate the strip size according to the number of
-	 * rows in the strip (check for truncated last strip on any
-	 * of the separations).
-	 */
-	if( td->td_rowsperstrip >= td->td_imagelength )
-		strips_per_sep = 1;
-	else
-		strips_per_sep = (td->td_imagelength+td->td_rowsperstrip-1)
-		    / td->td_rowsperstrip;
-
-	sep_strip = strip % strips_per_sep;
-
-	if (sep_strip != strips_per_sep-1 ||
-	    (nrows = td->td_imagelength % td->td_rowsperstrip) == 0)
-		nrows = td->td_rowsperstrip;
-
-	stripsize = TIFFVStripSize(tif, nrows);
-	if (size == (tsize_t) -1)
-		size = stripsize;
-	else if (size > stripsize)
-		size = stripsize;
-	if (TIFFFillStrip(tif, strip)
-	    && (*tif->tif_decodestrip)(tif, (tidata_t) buf, size,   
-	    (tsample_t)(strip / td->td_stripsperimage)) > 0 ) {
-		(*tif->tif_postdecode)(tif, (tidata_t) buf, size);
-		return (size);
-	} else
-		return ((tsize_t) -1);
-}
-
-static tsize_t
-TIFFReadRawStrip1(TIFF* tif,
-    tstrip_t strip, tdata_t buf, tsize_t size, const char* module)
-{
-	TIFFDirectory *td = &tif->tif_dir;
-
-	assert((tif->tif_flags&TIFF_NOREADRAW)==0);
-	if (!isMapped(tif)) {
-		tsize_t cc;
-
-		if (!SeekOK(tif, td->td_stripoffset[strip])) {
-			TIFFErrorExt(tif->tif_clientdata, module,
-			    "%s: Seek error at scanline %lu, strip %lu",
-			    tif->tif_name,
-			    (unsigned long) tif->tif_row, (unsigned long) strip);
-			return (-1);
-		}
-		cc = TIFFReadFile(tif, buf, size);
-		if (cc != size) {
-			TIFFErrorExt(tif->tif_clientdata, module,
-		"%s: Read error at scanline %lu; got %lu bytes, expected %lu",
-			    tif->tif_name,
-			    (unsigned long) tif->tif_row,
-			    (unsigned long) cc,
-			    (unsigned long) size);
-			return (-1);
-		}
-	} else {
-		if (td->td_stripoffset[strip] + size > tif->tif_size) {
-			TIFFErrorExt(tif->tif_clientdata, module,
-    "%s: Read error at scanline %lu, strip %lu; got %lu bytes, expected %lu",
-			    tif->tif_name,
-			    (unsigned long) tif->tif_row,
-			    (unsigned long) strip,
-			    (unsigned long) tif->tif_size - td->td_stripoffset[strip],
-			    (unsigned long) size);
-			return (-1);
-		}
-		_TIFFmemcpy(buf, tif->tif_base + td->td_stripoffset[strip],
-                            size);
-	}
-	return (size);
-}
-
-/*
- * Read a strip of data from the file.
- */
-tsize_t
-TIFFReadRawStrip(TIFF* tif, tstrip_t strip, tdata_t buf, tsize_t size)
-{
-	static const char module[] = "TIFFReadRawStrip";
-	TIFFDirectory *td = &tif->tif_dir;
-	/*
-	 * FIXME: butecount should have tsize_t type, but for now libtiff
-	 * defines tsize_t as a signed 32-bit integer and we are losing
-	 * ability to read arrays larger than 2^31 bytes. So we are using
-	 * uint32 instead of tsize_t here.
-	 */
-	uint32 bytecount;
-
-	if (!TIFFCheckRead(tif, 0))
-		return ((tsize_t) -1);
-	if (strip >= td->td_nstrips) {
-		TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
-			     "%lu: Strip out of range, max %lu",
-			     (unsigned long) strip,
-			     (unsigned long) td->td_nstrips);
-		return ((tsize_t) -1);
-	}
-	if (tif->tif_flags&TIFF_NOREADRAW)
-	{
-		TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
-	"Compression scheme does not support access to raw uncompressed data");
-		return ((tsize_t) -1);
-	}
-	bytecount = td->td_stripbytecount[strip];
-	if (bytecount <= 0) {
-		TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
-		    "%lu: Invalid strip byte count, strip %lu",
-		    (unsigned long) bytecount, (unsigned long) strip);
-		return ((tsize_t) -1);
-	}
-	if (size != (tsize_t)-1 && (uint32)size < bytecount)
-		bytecount = size;
-	return (TIFFReadRawStrip1(tif, strip, buf, bytecount, module));
-}
-
-/*
- * Read the specified strip and setup for decoding. The data buffer is
- * expanded, as necessary, to hold the strip's data.
- */
-int
-TIFFFillStrip(TIFF* tif, tstrip_t strip)
-{
-	static const char module[] = "TIFFFillStrip";
-	TIFFDirectory *td = &tif->tif_dir;
-
-	if ((tif->tif_flags&TIFF_NOREADRAW)==0)
-	{
-		/*
-		 * FIXME: butecount should have tsize_t type, but for now
-		 * libtiff defines tsize_t as a signed 32-bit integer and we
-		 * are losing ability to read arrays larger than 2^31 bytes.
-		 * So we are using uint32 instead of tsize_t here.
-		 */
-		uint32 bytecount = td->td_stripbytecount[strip];
-		if (bytecount <= 0) {
-			TIFFErrorExt(tif->tif_clientdata, module,
-			    "%s: Invalid strip byte count %lu, strip %lu",
-			    tif->tif_name, (unsigned long) bytecount,
-			    (unsigned long) strip);
-			return (0);
-		}
-		if (isMapped(tif) &&
-		    (isFillOrder(tif, td->td_fillorder)
-		    || (tif->tif_flags & TIFF_NOBITREV))) {
-			/*
-			 * The image is mapped into memory and we either don't
-			 * need to flip bits or the compression routine is
-			 * going to handle this operation itself.  In this
-			 * case, avoid copying the raw data and instead just
-			 * reference the data from the memory mapped file
-			 * image.  This assumes that the decompression
-			 * routines do not modify the contents of the raw data
-			 * buffer (if they try to, the application will get a
-			 * fault since the file is mapped read-only).
-			 */
-			if ((tif->tif_flags & TIFF_MYBUFFER) && tif->tif_rawdata)
-				_TIFFfree(tif->tif_rawdata);
-			tif->tif_flags &= ~TIFF_MYBUFFER;
-			/*
-			 * We must check for overflow, potentially causing
-			 * an OOB read. Instead of simple
-			 *
-			 *  td->td_stripoffset[strip]+bytecount > tif->tif_size
-			 *
-			 * comparison (which can overflow) we do the following
-			 * two comparisons:
-			 */
-			if (bytecount > tif->tif_size ||
-			    td->td_stripoffset[strip] > tif->tif_size - bytecount) {
-				/*
-				 * This error message might seem strange, but
-				 * it's what would happen if a read were done
-				 * instead.
-				 */
-				TIFFErrorExt(tif->tif_clientdata, module,
-
-					"%s: Read error on strip %lu; "
-					"got %lu bytes, expected %lu",
-					tif->tif_name, (unsigned long) strip,
-					(unsigned long) tif->tif_size - td->td_stripoffset[strip],
-					(unsigned long) bytecount);
-				tif->tif_curstrip = NOSTRIP;
-				return (0);
-			}
-			tif->tif_rawdatasize = bytecount;
-			tif->tif_rawdata = tif->tif_base + td->td_stripoffset[strip];
-		} else {
-			/*
-			 * Expand raw data buffer, if needed, to hold data
-			 * strip coming from file (perhaps should set upper
-			 * bound on the size of a buffer we'll use?).
-			 */
-			if (bytecount > (uint32)tif->tif_rawdatasize) {
-				tif->tif_curstrip = NOSTRIP;
-				if ((tif->tif_flags & TIFF_MYBUFFER) == 0) {
-					TIFFErrorExt(tif->tif_clientdata,
-						     module,
-				"%s: Data buffer too small to hold strip %lu",
-						     tif->tif_name,
-						     (unsigned long) strip);
-					return (0);
-				}
-				if (!TIFFReadBufferSetup(tif, 0,
-				    TIFFroundup(bytecount, 1024)))
-					return (0);
-			}
-			if ((uint32)TIFFReadRawStrip1(tif, strip,
-				(unsigned char *)tif->tif_rawdata,
-				bytecount, module) != bytecount)
-				return (0);
-			if (!isFillOrder(tif, td->td_fillorder) &&
-			    (tif->tif_flags & TIFF_NOBITREV) == 0)
-				TIFFReverseBits(tif->tif_rawdata, bytecount);
-		}
-	}
-	return (TIFFStartStrip(tif, strip));
-}
-
-/*
- * Tile-oriented Read Support
- * Contributed by Nancy Cam (Silicon Graphics).
- */
-
-/*
- * Read and decompress a tile of data.  The
- * tile is selected by the (x,y,z,s) coordinates.
- */
-tsize_t
-TIFFReadTile(TIFF* tif,
-    tdata_t buf, uint32 x, uint32 y, uint32 z, tsample_t s)
-{
-	if (!TIFFCheckRead(tif, 1) || !TIFFCheckTile(tif, x, y, z, s))
-		return (-1);
-	return (TIFFReadEncodedTile(tif,
-	    TIFFComputeTile(tif, x, y, z, s), buf, (tsize_t) -1));
-}
-
-/*
- * Read a tile of data and decompress the specified
- * amount into the user-supplied buffer.
- */
-tsize_t
-TIFFReadEncodedTile(TIFF* tif, ttile_t tile, tdata_t buf, tsize_t size)
-{
-	TIFFDirectory *td = &tif->tif_dir;
-	tsize_t tilesize = tif->tif_tilesize;
-
-	if (!TIFFCheckRead(tif, 1))
-		return (-1);
-	if (tile >= td->td_nstrips) {
-		TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
-			     "%ld: Tile out of range, max %ld",
-			     (long) tile, (unsigned long) td->td_nstrips);
-		return (-1);
-	}
-	if (size == (tsize_t) -1)
-		size = tilesize;
-	else if (size > tilesize)
-		size = tilesize;
-	if (TIFFFillTile(tif, tile) && (*tif->tif_decodetile)(tif,
-	    (tidata_t) buf, size, (tsample_t)(tile/td->td_stripsperimage))) {
-		(*tif->tif_postdecode)(tif, (tidata_t) buf, size);
-		return (size);
-	} else
-		return (-1);
-}
-
-static tsize_t
-TIFFReadRawTile1(TIFF* tif,
-    ttile_t tile, tdata_t buf, tsize_t size, const char* module)
-{
-	TIFFDirectory *td = &tif->tif_dir;
-
-	assert((tif->tif_flags&TIFF_NOREADRAW)==0);
-	if (!isMapped(tif)) {
-		tsize_t cc;
-
-		if (!SeekOK(tif, td->td_stripoffset[tile])) {
-			TIFFErrorExt(tif->tif_clientdata, module,
-			    "%s: Seek error at row %ld, col %ld, tile %ld",
-			    tif->tif_name,
-			    (long) tif->tif_row,
-			    (long) tif->tif_col,
-			    (long) tile);
-			return ((tsize_t) -1);
-		}
-		cc = TIFFReadFile(tif, buf, size);
-		if (cc != size) {
-			TIFFErrorExt(tif->tif_clientdata, module,
-	    "%s: Read error at row %ld, col %ld; got %lu bytes, expected %lu",
-			    tif->tif_name,
-			    (long) tif->tif_row,
-			    (long) tif->tif_col,
-			    (unsigned long) cc,
-			    (unsigned long) size);
-			return ((tsize_t) -1);
-		}
-	} else {
-		if (td->td_stripoffset[tile] + size > tif->tif_size) {
-			TIFFErrorExt(tif->tif_clientdata, module,
-    "%s: Read error at row %ld, col %ld, tile %ld; got %lu bytes, expected %lu",
-			    tif->tif_name,
-			    (long) tif->tif_row,
-			    (long) tif->tif_col,
-			    (long) tile,
-			    (unsigned long) tif->tif_size - td->td_stripoffset[tile],
-			    (unsigned long) size);
-			return ((tsize_t) -1);
-		}
-		_TIFFmemcpy(buf, tif->tif_base + td->td_stripoffset[tile], size);
-	}
-	return (size);
-}
-
-/*
- * Read a tile of data from the file.
- */
-tsize_t
-TIFFReadRawTile(TIFF* tif, ttile_t tile, tdata_t buf, tsize_t size)
-{
-	static const char module[] = "TIFFReadRawTile";
-	TIFFDirectory *td = &tif->tif_dir;
-	/*
-	 * FIXME: butecount should have tsize_t type, but for now libtiff
-	 * defines tsize_t as a signed 32-bit integer and we are losing
-	 * ability to read arrays larger than 2^31 bytes. So we are using
-	 * uint32 instead of tsize_t here.
-	 */
-	uint32 bytecount;
-
-	if (!TIFFCheckRead(tif, 1))
-		return ((tsize_t) -1);
-	if (tile >= td->td_nstrips) {
-		TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
-			     "%lu: Tile out of range, max %lu",
-		    (unsigned long) tile, (unsigned long) td->td_nstrips);
-		return ((tsize_t) -1);
-	}
-	if (tif->tif_flags&TIFF_NOREADRAW)
-	{
-		TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
-	"Compression scheme does not support access to raw uncompressed data");
-		return ((tsize_t) -1);
-	}
-	bytecount = td->td_stripbytecount[tile];
-	if (size != (tsize_t) -1 && (uint32)size < bytecount)
-		bytecount = size;
-	return (TIFFReadRawTile1(tif, tile, buf, bytecount, module));
-}
-
-/*
- * Read the specified tile and setup for decoding. The data buffer is
- * expanded, as necessary, to hold the tile's data.
- */
-int
-TIFFFillTile(TIFF* tif, ttile_t tile)
-{
-	static const char module[] = "TIFFFillTile";
-	TIFFDirectory *td = &tif->tif_dir;
-
-	if ((tif->tif_flags&TIFF_NOREADRAW)==0)
-	{
-		/*
-		 * FIXME: butecount should have tsize_t type, but for now
-		 * libtiff defines tsize_t as a signed 32-bit integer and we
-		 * are losing ability to read arrays larger than 2^31 bytes.
-		 * So we are using uint32 instead of tsize_t here.
-		 */
-		uint32 bytecount = td->td_stripbytecount[tile];
-		if (bytecount <= 0) {
-			TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
-			    "%lu: Invalid tile byte count, tile %lu",
-			    (unsigned long) bytecount, (unsigned long) tile);
-			return (0);
-		}
-		if (isMapped(tif) &&
-		    (isFillOrder(tif, td->td_fillorder)
-		     || (tif->tif_flags & TIFF_NOBITREV))) {
-			/*
-			 * The image is mapped into memory and we either don't
-			 * need to flip bits or the compression routine is
-			 * going to handle this operation itself.  In this
-			 * case, avoid copying the raw data and instead just
-			 * reference the data from the memory mapped file
-			 * image.  This assumes that the decompression
-			 * routines do not modify the contents of the raw data
-			 * buffer (if they try to, the application will get a
-			 * fault since the file is mapped read-only).
-			 */
-			if ((tif->tif_flags & TIFF_MYBUFFER) && tif->tif_rawdata)
-				_TIFFfree(tif->tif_rawdata);
-			tif->tif_flags &= ~TIFF_MYBUFFER;
-			/*
-			 * We must check for overflow, potentially causing
-			 * an OOB read. Instead of simple
-			 *
-			 *  td->td_stripoffset[tile]+bytecount > tif->tif_size
-			 *
-			 * comparison (which can overflow) we do the following
-			 * two comparisons:
-			 */
-			if (bytecount > tif->tif_size ||
-			    td->td_stripoffset[tile] > tif->tif_size - bytecount) {
-				tif->tif_curtile = NOTILE;
-				return (0);
-			}
-			tif->tif_rawdatasize = bytecount;
-			tif->tif_rawdata =
-				tif->tif_base + td->td_stripoffset[tile];
-		} else {
-			/*
-			 * Expand raw data buffer, if needed, to hold data
-			 * tile coming from file (perhaps should set upper
-			 * bound on the size of a buffer we'll use?).
-			 */
-			if (bytecount > (uint32)tif->tif_rawdatasize) {
-				tif->tif_curtile = NOTILE;
-				if ((tif->tif_flags & TIFF_MYBUFFER) == 0) {
-					TIFFErrorExt(tif->tif_clientdata,
-						     module,
-				"%s: Data buffer too small to hold tile %ld",
-						     tif->tif_name,
-						     (long) tile);
-					return (0);
-				}
-				if (!TIFFReadBufferSetup(tif, 0,
-				    TIFFroundup(bytecount, 1024)))
-					return (0);
-			}
-			if ((uint32)TIFFReadRawTile1(tif, tile,
-				(unsigned char *)tif->tif_rawdata,
-				bytecount, module) != bytecount)
-				return (0);
-			if (!isFillOrder(tif, td->td_fillorder) &&
-			    (tif->tif_flags & TIFF_NOBITREV) == 0)
-				TIFFReverseBits(tif->tif_rawdata, bytecount);
-		}
-	}
-	return (TIFFStartTile(tif, tile));
-}
-
-/*
- * Setup the raw data buffer in preparation for
- * reading a strip of raw data.  If the buffer
- * is specified as zero, then a buffer of appropriate
- * size is allocated by the library.  Otherwise,
- * the client must guarantee that the buffer is
- * large enough to hold any individual strip of
- * raw data.
- */
-int
-TIFFReadBufferSetup(TIFF* tif, tdata_t bp, tsize_t size)
-{
-	static const char module[] = "TIFFReadBufferSetup";
-
-	assert((tif->tif_flags&TIFF_NOREADRAW)==0);
-	if (tif->tif_rawdata) {
-		if (tif->tif_flags & TIFF_MYBUFFER)
-			_TIFFfree(tif->tif_rawdata);
-		tif->tif_rawdata = NULL;
-	}
-
-	if (bp) {
-		tif->tif_rawdatasize = size;
-		tif->tif_rawdata = (tidata_t) bp;
-		tif->tif_flags &= ~TIFF_MYBUFFER;
-	} else {
-		tif->tif_rawdatasize = TIFFroundup(size, 1024);
-		if (tif->tif_rawdatasize > 0)
-			tif->tif_rawdata = (tidata_t) _TIFFmalloc(tif->tif_rawdatasize);
-		tif->tif_flags |= TIFF_MYBUFFER;
-	}
-	if ((tif->tif_rawdata == NULL) || (tif->tif_rawdatasize == 0)) {
-		TIFFErrorExt(tif->tif_clientdata, module,
-		    "%s: No space for data buffer at scanline %ld",
-		    tif->tif_name, (long) tif->tif_row);
-		tif->tif_rawdatasize = 0;
-		return (0);
-	}
-	return (1);
-}
-
-/*
- * Set state to appear as if a
- * strip has just been read in.
- */
-static int
-TIFFStartStrip(TIFF* tif, tstrip_t strip)
-{
-	TIFFDirectory *td = &tif->tif_dir;
-
-	if ((tif->tif_flags & TIFF_CODERSETUP) == 0) {
-		if (!(*tif->tif_setupdecode)(tif))
-			return (0);
-		tif->tif_flags |= TIFF_CODERSETUP;
-	}
-	tif->tif_curstrip = strip;
-	tif->tif_row = (strip % td->td_stripsperimage) * td->td_rowsperstrip;
-	if (tif->tif_flags&TIFF_NOREADRAW)
-	{
-		tif->tif_rawcp = NULL;
-		tif->tif_rawcc = 0;
-	}
-	else
-	{
-		tif->tif_rawcp = tif->tif_rawdata;
-		tif->tif_rawcc = td->td_stripbytecount[strip];
-	}
-	return ((*tif->tif_predecode)(tif,
-			(tsample_t)(strip / td->td_stripsperimage)));
-}
-
-/*
- * Set state to appear as if a
- * tile has just been read in.
- */
-static int
-TIFFStartTile(TIFF* tif, ttile_t tile)
-{
-	TIFFDirectory *td = &tif->tif_dir;
-
-	if ((tif->tif_flags & TIFF_CODERSETUP) == 0) {
-		if (!(*tif->tif_setupdecode)(tif))
-			return (0);
-		tif->tif_flags |= TIFF_CODERSETUP;
-	}
-	tif->tif_curtile = tile;
-	tif->tif_row =
-	    (tile % TIFFhowmany(td->td_imagewidth, td->td_tilewidth)) *
-		td->td_tilelength;
-	tif->tif_col =
-	    (tile % TIFFhowmany(td->td_imagelength, td->td_tilelength)) *
-		td->td_tilewidth;
-	if (tif->tif_flags&TIFF_NOREADRAW)
-	{
-		tif->tif_rawcp = NULL;
-		tif->tif_rawcc = 0;
-	}
-	else
-	{
-		tif->tif_rawcp = tif->tif_rawdata;
-		tif->tif_rawcc = td->td_stripbytecount[tile];
-	}
-	return ((*tif->tif_predecode)(tif,
-			(tsample_t)(tile/td->td_stripsperimage)));
-}
-
-static int
-TIFFCheckRead(TIFF* tif, int tiles)
-{
-	if (tif->tif_mode == O_WRONLY) {
-		TIFFErrorExt(tif->tif_clientdata, tif->tif_name, "File not open for reading");
-		return (0);
-	}
-	if (tiles ^ isTiled(tif)) {
-		TIFFErrorExt(tif->tif_clientdata, tif->tif_name, tiles ?
-		    "Can not read tiles from a stripped image" :
-		    "Can not read scanlines from a tiled image");
-		return (0);
-	}
-	return (1);
-}
-
-void
-_TIFFNoPostDecode(TIFF* tif, tidata_t buf, tsize_t cc)
-{
-    (void) tif; (void) buf; (void) cc;
-}
-
-void
-_TIFFSwab16BitData(TIFF* tif, tidata_t buf, tsize_t cc)
-{
-    (void) tif;
-    assert((cc & 1) == 0);
-    TIFFSwabArrayOfShort((uint16*) buf, cc/2);
-}
-
-void
-_TIFFSwab24BitData(TIFF* tif, tidata_t buf, tsize_t cc)
-{
-    (void) tif;
-    assert((cc % 3) == 0);
-    TIFFSwabArrayOfTriples((uint8*) buf, cc/3);
-}
-
-void
-_TIFFSwab32BitData(TIFF* tif, tidata_t buf, tsize_t cc)
-{
-    (void) tif;
-    assert((cc & 3) == 0);
-    TIFFSwabArrayOfLong((uint32*) buf, cc/4);
-}
-
-void
-_TIFFSwab64BitData(TIFF* tif, tidata_t buf, tsize_t cc)
-{
-    (void) tif;
-    assert((cc & 7) == 0);
-    TIFFSwabArrayOfDouble((double*) buf, cc/8);
-}
-
-/* vim: set ts=8 sts=8 sw=8 noet: */
-/*
- * Local Variables:
- * mode: c
- * c-basic-offset: 8
- * fill-column: 78
- * End:
- */