Initial import of argyll version 1.5.1-8debian/1.5.1-8

1 files changed, 785 insertions, 0 deletions

diff --git a/tiff/tools/tiffdump.c b/tiff/tools/tiffdump.c
new file mode 100644
index 0000000..5161189
--- /dev/null
+++ b/tiff/tools/tiffdump.c
@@ -0,0 +1,785 @@
+/* $Id: tiffdump.c,v 1.13.2.1 2010-06-08 18:50:44 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.
+ */
+
+#include "tif_config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#ifdef HAVE_FCNTL_H
+# include <fcntl.h>
+#endif
+
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+
+#ifdef HAVE_IO_H
+# include <io.h>
+#endif
+
+#include "tiffio.h"
+
+#ifndef O_BINARY
+# define O_BINARY	0
+#endif
+
+char*	appname;
+char*	curfile;
+int	swabflag;
+int	bigendian;
+int	typeshift[14];		/* data type shift counts */
+long	typemask[14];		/* data type masks */
+uint32	maxitems = 24;		/* maximum indirect data items to print */
+
+char*	bytefmt = "%s%#02x";		/* BYTE */
+char*	sbytefmt = "%s%d";		/* SBYTE */
+char*	shortfmt = "%s%u";		/* SHORT */
+char*	sshortfmt = "%s%d";		/* SSHORT */
+char*	longfmt = "%s%lu";		/* LONG */
+char*	slongfmt = "%s%ld";		/* SLONG */
+char*	rationalfmt = "%s%g";		/* RATIONAL */
+char*	srationalfmt = "%s%g";		/* SRATIONAL */
+char*	floatfmt = "%s%g";		/* FLOAT */
+char*	doublefmt = "%s%g";		/* DOUBLE */
+char*	ifdfmt = "%s%#04x";		/* IFD offset */
+
+static	void dump(int, off_t);
+extern	int optind;
+extern	char* optarg;
+
+void
+usage()
+{
+	fprintf(stderr, "usage: %s [-h] [-o offset] [-m maxitems] file.tif ...\n", appname);
+	exit(-1);
+}
+
+int
+main(int argc, char* argv[])
+{
+	int one = 1, fd;
+	int multiplefiles = (argc > 1);
+	int c;
+	uint32 diroff = (uint32) 0;
+	bigendian = (*(char *)&one == 0);
+
+	appname = argv[0];
+	while ((c = getopt(argc, argv, "m:o:h")) != -1) {
+		switch (c) {
+		case 'h':			/* print values in hex */
+			shortfmt = "%s%#x";
+			sshortfmt = "%s%#x";
+			longfmt = "%s%#lx";
+			slongfmt = "%s%#lx";
+			break;
+		case 'o':
+			diroff = (uint32) strtoul(optarg, NULL, 0);
+			break;
+		case 'm':
+			maxitems = strtoul(optarg, NULL, 0);
+			break;
+		default:
+			usage();
+		}
+	}
+	if (optind >= argc)
+		usage();
+	for (; optind < argc; optind++) {
+		fd = open(argv[optind], O_RDONLY|O_BINARY, 0);
+		if (fd < 0) {
+			perror(argv[0]);
+			return (-1);
+		}
+		if (multiplefiles)
+			printf("%s:\n", argv[optind]);
+		curfile = argv[optind];
+		swabflag = 0;
+		dump(fd, diroff);
+		close(fd);
+	}
+	return (0);
+}
+
+static	TIFFHeader hdr;
+
+#define	ord(e)	((int)e)
+
+/*
+ * Initialize shift & mask tables and byte
+ * swapping state according to the file
+ * byte order.
+ */
+static void
+InitByteOrder(int magic)
+{
+	typemask[0] = 0;
+	typemask[ord(TIFF_BYTE)] = 0xff;
+	typemask[ord(TIFF_SBYTE)] = 0xff;
+	typemask[ord(TIFF_UNDEFINED)] = 0xff;
+	typemask[ord(TIFF_SHORT)] = 0xffff;
+	typemask[ord(TIFF_SSHORT)] = 0xffff;
+	typemask[ord(TIFF_LONG)] = 0xffffffff;
+	typemask[ord(TIFF_SLONG)] = 0xffffffff;
+	typemask[ord(TIFF_IFD)] = 0xffffffff;
+	typemask[ord(TIFF_RATIONAL)] = 0xffffffff;
+	typemask[ord(TIFF_SRATIONAL)] = 0xffffffff;
+	typemask[ord(TIFF_FLOAT)] = 0xffffffff;
+	typemask[ord(TIFF_DOUBLE)] = 0xffffffff;
+	typeshift[0] = 0;
+	typeshift[ord(TIFF_LONG)] = 0;
+	typeshift[ord(TIFF_SLONG)] = 0;
+	typeshift[ord(TIFF_IFD)] = 0;
+	typeshift[ord(TIFF_RATIONAL)] = 0;
+	typeshift[ord(TIFF_SRATIONAL)] = 0;
+	typeshift[ord(TIFF_FLOAT)] = 0;
+	typeshift[ord(TIFF_DOUBLE)] = 0;
+	if (magic == TIFF_BIGENDIAN || magic == MDI_BIGENDIAN) {
+		typeshift[ord(TIFF_BYTE)] = 24;
+		typeshift[ord(TIFF_SBYTE)] = 24;
+		typeshift[ord(TIFF_SHORT)] = 16;
+		typeshift[ord(TIFF_SSHORT)] = 16;
+		swabflag = !bigendian;
+	} else {
+		typeshift[ord(TIFF_BYTE)] = 0;
+		typeshift[ord(TIFF_SBYTE)] = 0;
+		typeshift[ord(TIFF_SHORT)] = 0;
+		typeshift[ord(TIFF_SSHORT)] = 0;
+		swabflag = bigendian;
+	}
+}
+
+static	off_t ReadDirectory(int, unsigned, off_t);
+static	void ReadError(char*);
+static	void Error(const char*, ...);
+static	void Fatal(const char*, ...);
+
+static void
+dump(int fd, off_t diroff)
+{
+	unsigned i;
+
+	lseek(fd, (off_t) 0, 0);
+	if (read(fd, (char*) &hdr, sizeof (hdr)) != sizeof (hdr))
+		ReadError("TIFF header");
+	/*
+	 * Setup the byte order handling.
+	 */
+	if (hdr.tiff_magic != TIFF_BIGENDIAN && hdr.tiff_magic != TIFF_LITTLEENDIAN &&
+#if HOST_BIGENDIAN
+	    // MDI is sensitive to the host byte order, unlike TIFF
+	    MDI_BIGENDIAN != hdr.tiff_magic )
+#else
+	    MDI_LITTLEENDIAN != hdr.tiff_magic )
+#endif
+		Fatal("Not a TIFF or MDI file, bad magic number %u (%#x)",
+		    hdr.tiff_magic, hdr.tiff_magic);
+	InitByteOrder(hdr.tiff_magic);
+	/*
+	 * Swap header if required.
+	 */
+	if (swabflag) {
+		TIFFSwabShort(&hdr.tiff_version);
+		TIFFSwabLong(&hdr.tiff_diroff);
+	}
+	/*
+	 * Now check version (if needed, it's been byte-swapped).
+	 * Note that this isn't actually a version number, it's a
+	 * magic number that doesn't change (stupid).
+	 */
+	if (hdr.tiff_version != TIFF_VERSION)
+		Fatal("Not a TIFF file, bad version number %u (%#x)",
+		    hdr.tiff_version, hdr.tiff_version); 
+	printf("Magic: %#x <%s-endian> Version: %#x\n",
+	    hdr.tiff_magic,
+	    hdr.tiff_magic == TIFF_BIGENDIAN ? "big" : "little",
+	    hdr.tiff_version);
+	if (diroff == 0)
+	    diroff = hdr.tiff_diroff;
+	for (i = 0; diroff != 0; i++) {
+		if (i > 0)
+			putchar('\n');
+		diroff = ReadDirectory(fd, i, diroff);
+	}
+}
+
+static int datawidth[] = {
+    0,	/* nothing */
+    1,	/* TIFF_BYTE */
+    1,	/* TIFF_ASCII */
+    2,	/* TIFF_SHORT */
+    4,	/* TIFF_LONG */
+    8,	/* TIFF_RATIONAL */
+    1,	/* TIFF_SBYTE */
+    1,	/* TIFF_UNDEFINED */
+    2,	/* TIFF_SSHORT */
+    4,	/* TIFF_SLONG */
+    8,	/* TIFF_SRATIONAL */
+    4,	/* TIFF_FLOAT */
+    8,	/* TIFF_DOUBLE */
+    4	/* TIFF_IFD */
+};
+#define	NWIDTHS	(sizeof (datawidth) / sizeof (datawidth[0]))
+static	int TIFFFetchData(int, TIFFDirEntry*, void*);
+static	void PrintTag(FILE*, uint16);
+static	void PrintType(FILE*, uint16);
+static	void PrintData(FILE*, uint16, uint32, unsigned char*);
+static	void PrintByte(FILE*, const char*, TIFFDirEntry*);
+static	void PrintShort(FILE*, const char*, TIFFDirEntry*);
+static	void PrintLong(FILE*, const char*, TIFFDirEntry*);
+
+/*
+ * Read the next TIFF directory from a file
+ * and convert it to the internal format.
+ * We read directories sequentially.
+ */
+static off_t
+ReadDirectory(int fd, unsigned ix, off_t off)
+{
+	register TIFFDirEntry *dp;
+	register unsigned int n;
+	TIFFDirEntry *dir = 0;
+	uint16 dircount;
+	int space;
+	uint32 nextdiroff = 0;
+
+	if (off == 0)			/* no more directories */
+		goto done;
+	if (lseek(fd, (off_t) off, 0) != off) {
+		Fatal("Seek error accessing TIFF directory");
+		goto done;
+	}
+	if (read(fd, (char*) &dircount, sizeof (uint16)) != sizeof (uint16)) {
+		ReadError("directory count");
+		goto done;
+	}
+	if (swabflag)
+		TIFFSwabShort(&dircount);
+	dir = (TIFFDirEntry *)_TIFFmalloc(dircount * sizeof (TIFFDirEntry));
+	if (dir == NULL) {
+		Fatal("No space for TIFF directory");
+		goto done;
+	}
+	n = read(fd, (char*) dir, dircount*sizeof (*dp));
+	if (n != dircount*sizeof (*dp)) {
+		n /= sizeof (*dp);
+		Error(
+	    "Could only read %u of %u entries in directory at offset %#lx",
+		    n, dircount, (unsigned long) off);
+		dircount = n;
+	}
+	if (read(fd, (char*) &nextdiroff, sizeof (uint32)) != sizeof (uint32))
+		nextdiroff = 0;
+	if (swabflag)
+		TIFFSwabLong(&nextdiroff);
+	printf("Directory %u: offset %lu (%#lx) next %lu (%#lx)\n", ix,
+	    (unsigned long)off, (unsigned long)off,
+	    (unsigned long)nextdiroff, (unsigned long)nextdiroff);
+	for (dp = dir, n = dircount; n > 0; n--, dp++) {
+		if (swabflag) {
+			TIFFSwabArrayOfShort(&dp->tdir_tag, 2);
+			TIFFSwabArrayOfLong(&dp->tdir_count, 2);
+		}
+		PrintTag(stdout, dp->tdir_tag);
+		putchar(' ');
+		PrintType(stdout, dp->tdir_type);
+		putchar(' ');
+		printf("%lu<", (unsigned long) dp->tdir_count);
+		if (dp->tdir_type >= NWIDTHS) {
+			printf(">\n");
+			continue;
+		}
+		space = dp->tdir_count * datawidth[dp->tdir_type];
+		if (space <= 0) {
+			printf(">\n");
+			Error("Invalid count for tag %u", dp->tdir_tag);
+			continue;
+                }
+		if (space <= 4) {
+			switch (dp->tdir_type) {
+			case TIFF_FLOAT:
+			case TIFF_UNDEFINED:
+			case TIFF_ASCII: {
+				unsigned char data[4];
+				_TIFFmemcpy(data, &dp->tdir_offset, 4);
+				if (swabflag)
+					TIFFSwabLong((uint32*) data);
+				PrintData(stdout,
+				    dp->tdir_type, dp->tdir_count, data);
+				break;
+			}
+			case TIFF_BYTE:
+				PrintByte(stdout, bytefmt, dp);
+				break;
+			case TIFF_SBYTE:
+				PrintByte(stdout, sbytefmt, dp);
+				break;
+			case TIFF_SHORT:
+				PrintShort(stdout, shortfmt, dp);
+				break;
+			case TIFF_SSHORT:
+				PrintShort(stdout, sshortfmt, dp);
+				break;
+			case TIFF_LONG:
+				PrintLong(stdout, longfmt, dp);
+				break;
+			case TIFF_SLONG:
+				PrintLong(stdout, slongfmt, dp);
+				break;
+			case TIFF_IFD:
+				PrintLong(stdout, ifdfmt, dp);
+				break;
+			}
+		} else {
+			unsigned char *data = (unsigned char *)_TIFFmalloc(space);
+			if (data) {
+				if (TIFFFetchData(fd, dp, data)) {
+					if (dp->tdir_count > maxitems) {
+						PrintData(stdout, dp->tdir_type,
+						    maxitems, data);
+						printf(" ...");
+					} else
+						PrintData(stdout, dp->tdir_type,
+						    dp->tdir_count, data);
+                                }
+				_TIFFfree(data);
+			} else
+				Error("No space for data for tag %u",
+				    dp->tdir_tag);
+		}
+		printf(">\n");
+	}
+done:
+	if (dir)
+		_TIFFfree((char *)dir);
+	return (nextdiroff);
+}
+
+static	struct tagname {
+	uint16	tag;
+	char*	name;
+} tagnames[] = {
+    { TIFFTAG_SUBFILETYPE,	"SubFileType" },
+    { TIFFTAG_OSUBFILETYPE,	"OldSubFileType" },
+    { TIFFTAG_IMAGEWIDTH,	"ImageWidth" },
+    { TIFFTAG_IMAGELENGTH,	"ImageLength" },
+    { TIFFTAG_BITSPERSAMPLE,	"BitsPerSample" },
+    { TIFFTAG_COMPRESSION,	"Compression" },
+    { TIFFTAG_PHOTOMETRIC,	"Photometric" },
+    { TIFFTAG_THRESHHOLDING,	"Threshholding" },
+    { TIFFTAG_CELLWIDTH,	"CellWidth" },
+    { TIFFTAG_CELLLENGTH,	"CellLength" },
+    { TIFFTAG_FILLORDER,	"FillOrder" },
+    { TIFFTAG_DOCUMENTNAME,	"DocumentName" },
+    { TIFFTAG_IMAGEDESCRIPTION,	"ImageDescription" },
+    { TIFFTAG_MAKE,		"Make" },
+    { TIFFTAG_MODEL,		"Model" },
+    { TIFFTAG_STRIPOFFSETS,	"StripOffsets" },
+    { TIFFTAG_ORIENTATION,	"Orientation" },
+    { TIFFTAG_SAMPLESPERPIXEL,	"SamplesPerPixel" },
+    { TIFFTAG_ROWSPERSTRIP,	"RowsPerStrip" },
+    { TIFFTAG_STRIPBYTECOUNTS,	"StripByteCounts" },
+    { TIFFTAG_MINSAMPLEVALUE,	"MinSampleValue" },
+    { TIFFTAG_MAXSAMPLEVALUE,	"MaxSampleValue" },
+    { TIFFTAG_XRESOLUTION,	"XResolution" },
+    { TIFFTAG_YRESOLUTION,	"YResolution" },
+    { TIFFTAG_PLANARCONFIG,	"PlanarConfig" },
+    { TIFFTAG_PAGENAME,		"PageName" },
+    { TIFFTAG_XPOSITION,	"XPosition" },
+    { TIFFTAG_YPOSITION,	"YPosition" },
+    { TIFFTAG_FREEOFFSETS,	"FreeOffsets" },
+    { TIFFTAG_FREEBYTECOUNTS,	"FreeByteCounts" },
+    { TIFFTAG_GRAYRESPONSEUNIT,	"GrayResponseUnit" },
+    { TIFFTAG_GRAYRESPONSECURVE,"GrayResponseCurve" },
+    { TIFFTAG_GROUP3OPTIONS,	"Group3Options" },
+    { TIFFTAG_GROUP4OPTIONS,	"Group4Options" },
+    { TIFFTAG_RESOLUTIONUNIT,	"ResolutionUnit" },
+    { TIFFTAG_PAGENUMBER,	"PageNumber" },
+    { TIFFTAG_COLORRESPONSEUNIT,"ColorResponseUnit" },
+    { TIFFTAG_TRANSFERFUNCTION,	"TransferFunction" },
+    { TIFFTAG_SOFTWARE,		"Software" },
+    { TIFFTAG_DATETIME,		"DateTime" },
+    { TIFFTAG_ARTIST,		"Artist" },
+    { TIFFTAG_HOSTCOMPUTER,	"HostComputer" },
+    { TIFFTAG_PREDICTOR,	"Predictor" },
+    { TIFFTAG_WHITEPOINT,	"Whitepoint" },
+    { TIFFTAG_PRIMARYCHROMATICITIES,"PrimaryChromaticities" },
+    { TIFFTAG_COLORMAP,		"Colormap" },
+    { TIFFTAG_HALFTONEHINTS,	"HalftoneHints" },
+    { TIFFTAG_TILEWIDTH,	"TileWidth" },
+    { TIFFTAG_TILELENGTH,	"TileLength" },
+    { TIFFTAG_TILEOFFSETS,	"TileOffsets" },
+    { TIFFTAG_TILEBYTECOUNTS,	"TileByteCounts" },
+    { TIFFTAG_BADFAXLINES,	"BadFaxLines" },
+    { TIFFTAG_CLEANFAXDATA,	"CleanFaxData" },
+    { TIFFTAG_CONSECUTIVEBADFAXLINES, "ConsecutiveBadFaxLines" },
+    { TIFFTAG_SUBIFD,		"SubIFD" },
+    { TIFFTAG_INKSET,		"InkSet" },
+    { TIFFTAG_INKNAMES,		"InkNames" },
+    { TIFFTAG_NUMBEROFINKS,	"NumberOfInks" },
+    { TIFFTAG_DOTRANGE,		"DotRange" },
+    { TIFFTAG_TARGETPRINTER,	"TargetPrinter" },
+    { TIFFTAG_EXTRASAMPLES,	"ExtraSamples" },
+    { TIFFTAG_SAMPLEFORMAT,	"SampleFormat" },
+    { TIFFTAG_SMINSAMPLEVALUE,	"SMinSampleValue" },
+    { TIFFTAG_SMAXSAMPLEVALUE,	"SMaxSampleValue" },
+    { TIFFTAG_JPEGPROC,		"JPEGProcessingMode" },
+    { TIFFTAG_JPEGIFOFFSET,	"JPEGInterchangeFormat" },
+    { TIFFTAG_JPEGIFBYTECOUNT,	"JPEGInterchangeFormatLength" },
+    { TIFFTAG_JPEGRESTARTINTERVAL,"JPEGRestartInterval" },
+    { TIFFTAG_JPEGLOSSLESSPREDICTORS,"JPEGLosslessPredictors" },
+    { TIFFTAG_JPEGPOINTTRANSFORM,"JPEGPointTransform" },
+    { TIFFTAG_JPEGTABLES,       "JPEGTables" },
+    { TIFFTAG_JPEGQTABLES,	"JPEGQTables" },
+    { TIFFTAG_JPEGDCTABLES,	"JPEGDCTables" },
+    { TIFFTAG_JPEGACTABLES,	"JPEGACTables" },
+    { TIFFTAG_YCBCRCOEFFICIENTS,"YCbCrCoefficients" },
+    { TIFFTAG_YCBCRSUBSAMPLING,	"YCbCrSubsampling" },
+    { TIFFTAG_YCBCRPOSITIONING,	"YCbCrPositioning" },
+    { TIFFTAG_REFERENCEBLACKWHITE, "ReferenceBlackWhite" },
+    { TIFFTAG_REFPTS,		"IgReferencePoints (Island Graphics)" },
+    { TIFFTAG_REGIONTACKPOINT,	"IgRegionTackPoint (Island Graphics)" },
+    { TIFFTAG_REGIONWARPCORNERS,"IgRegionWarpCorners (Island Graphics)" },
+    { TIFFTAG_REGIONAFFINE,	"IgRegionAffine (Island Graphics)" },
+    { TIFFTAG_MATTEING,		"OBSOLETE Matteing (Silicon Graphics)" },
+    { TIFFTAG_DATATYPE,		"OBSOLETE DataType (Silicon Graphics)" },
+    { TIFFTAG_IMAGEDEPTH,	"ImageDepth (Silicon Graphics)" },
+    { TIFFTAG_TILEDEPTH,	"TileDepth (Silicon Graphics)" },
+    { 32768,			"OLD BOGUS Matteing tag" },
+    { TIFFTAG_COPYRIGHT,	"Copyright" },
+    { TIFFTAG_ICCPROFILE,	"ICC Profile" },
+    { TIFFTAG_JBIGOPTIONS,	"JBIG Options" },
+    { TIFFTAG_STONITS,		"StoNits" },
+};
+#define	NTAGS	(sizeof (tagnames) / sizeof (tagnames[0]))
+
+static void
+PrintTag(FILE* fd, uint16 tag)
+{
+	register struct tagname *tp;
+
+	for (tp = tagnames; tp < &tagnames[NTAGS]; tp++)
+		if (tp->tag == tag) {
+			fprintf(fd, "%s (%u)", tp->name, tag);
+			return;
+		}
+	fprintf(fd, "%u (%#x)", tag, tag);
+}
+
+static void
+PrintType(FILE* fd, uint16 type)
+{
+	static char *typenames[] = {
+	    "0",
+	    "BYTE",
+	    "ASCII",
+	    "SHORT",
+	    "LONG",
+	    "RATIONAL",
+	    "SBYTE",
+	    "UNDEFINED",
+	    "SSHORT",
+	    "SLONG",
+	    "SRATIONAL",
+	    "FLOAT",
+	    "DOUBLE"
+	};
+#define	NTYPES	(sizeof (typenames) / sizeof (typenames[0]))
+
+	if (type < NTYPES)
+		fprintf(fd, "%s (%u)", typenames[type], type);
+	else
+		fprintf(fd, "%u (%#x)", type, type);
+}
+#undef	NTYPES
+
+static void
+PrintByte(FILE* fd, const char* fmt, TIFFDirEntry* dp)
+{
+	char* sep = "";
+
+	if (hdr.tiff_magic == TIFF_BIGENDIAN) {
+		switch ((int)dp->tdir_count) {
+		case 4: fprintf(fd, fmt, sep, dp->tdir_offset&0xff);
+			sep = " ";
+		case 3: fprintf(fd, fmt, sep, (dp->tdir_offset>>8)&0xff);
+			sep = " ";
+		case 2: fprintf(fd, fmt, sep, (dp->tdir_offset>>16)&0xff);
+			sep = " ";
+		case 1: fprintf(fd, fmt, sep, dp->tdir_offset>>24);
+		}
+	} else {
+		switch ((int)dp->tdir_count) {
+		case 4: fprintf(fd, fmt, sep, dp->tdir_offset>>24);
+			sep = " ";
+		case 3: fprintf(fd, fmt, sep, (dp->tdir_offset>>16)&0xff);
+			sep = " ";
+		case 2: fprintf(fd, fmt, sep, (dp->tdir_offset>>8)&0xff);
+			sep = " ";
+		case 1: fprintf(fd, fmt, sep, dp->tdir_offset&0xff);
+		}
+	}
+}
+
+static void
+PrintShort(FILE* fd, const char* fmt, TIFFDirEntry* dp)
+{
+	char *sep = "";
+
+	if (hdr.tiff_magic == TIFF_BIGENDIAN) {
+		switch (dp->tdir_count) {
+		case 2: fprintf(fd, fmt, sep, dp->tdir_offset&0xffff);
+			sep = " ";
+		case 1: fprintf(fd, fmt, sep, dp->tdir_offset>>16);
+		}
+	} else {
+		switch (dp->tdir_count) {
+		case 2: fprintf(fd, fmt, sep, dp->tdir_offset>>16);
+			sep = " ";
+		case 1: fprintf(fd, fmt, sep, dp->tdir_offset&0xffff);
+		}
+	}
+}
+
+static void
+PrintLong(FILE* fd, const char* fmt, TIFFDirEntry* dp)
+{
+	fprintf(fd, fmt, "", (long) dp->tdir_offset);
+}
+
+#include <ctype.h>
+
+static void
+PrintASCII(FILE* fd, uint32 cc, const unsigned char* cp)
+{
+	for (; cc > 0; cc--, cp++) {
+		const char* tp;
+
+		if (isprint(*cp)) {
+			fputc(*cp, fd);
+			continue;
+		}
+		for (tp = "\tt\bb\rr\nn\vv"; *tp; tp++)
+			if (*tp++ == *cp)
+				break;
+		if (*tp)
+			fprintf(fd, "\\%c", *tp);
+		else if (*cp)
+			fprintf(fd, "\\%03o", *cp);
+		else
+			fprintf(fd, "\\0");
+	}
+}
+
+static void
+PrintData(FILE* fd, uint16 type, uint32 count, unsigned char* data)
+{
+	char* sep = "";
+
+	switch (type) {
+	case TIFF_BYTE:
+		while (count-- > 0)
+			fprintf(fd, bytefmt, sep, *data++), sep = " ";
+		break;
+	case TIFF_SBYTE:
+		while (count-- > 0)
+			fprintf(fd, sbytefmt, sep, *(char *)data++), sep = " ";
+		break;
+	case TIFF_UNDEFINED:
+		while (count-- > 0)
+			fprintf(fd, bytefmt, sep, *data++), sep = " ";
+		break;
+	case TIFF_ASCII:
+		PrintASCII(fd, count, data);
+		break;
+	case TIFF_SHORT: {
+		uint16 *wp = (uint16*)data;
+		while (count-- > 0)
+			fprintf(fd, shortfmt, sep, *wp++), sep = " ";
+		break;
+	}
+	case TIFF_SSHORT: {
+		int16 *wp = (int16*)data;
+		while (count-- > 0)
+			fprintf(fd, sshortfmt, sep, *wp++), sep = " ";
+		break;
+	}
+	case TIFF_LONG: {
+		uint32 *lp = (uint32*)data;
+		while (count-- > 0) {
+			fprintf(fd, longfmt, sep, (unsigned long) *lp++);
+			sep = " ";
+		}
+		break;
+	}
+	case TIFF_SLONG: {
+		int32 *lp = (int32*)data;
+		while (count-- > 0)
+			fprintf(fd, slongfmt, sep, (long) *lp++), sep = " ";
+		break;
+	}
+	case TIFF_RATIONAL: {
+		uint32 *lp = (uint32*)data;
+		while (count-- > 0) {
+			if (lp[1] == 0)
+				fprintf(fd, "%sNan (%lu/%lu)", sep,
+				    (unsigned long) lp[0],
+				    (unsigned long) lp[1]);
+			else
+				fprintf(fd, rationalfmt, sep,
+				    (double)lp[0] / (double)lp[1]);
+			sep = " ";
+			lp += 2;
+		}
+		break;
+	}
+	case TIFF_SRATIONAL: {
+		int32 *lp = (int32*)data;
+		while (count-- > 0) {
+			if (lp[1] == 0)
+				fprintf(fd, "%sNan (%ld/%ld)", sep,
+				    (long) lp[0], (long) lp[1]);
+			else
+				fprintf(fd, srationalfmt, sep,
+				    (double)lp[0] / (double)lp[1]);
+			sep = " ";
+			lp += 2;
+		}
+		break;
+	}
+	case TIFF_FLOAT: {
+		float *fp = (float *)data;
+		while (count-- > 0)
+			fprintf(fd, floatfmt, sep, *fp++), sep = " ";
+		break;
+	}
+	case TIFF_DOUBLE: {
+		double *dp = (double *)data;
+		while (count-- > 0)
+			fprintf(fd, doublefmt, sep, *dp++), sep = " ";
+		break;
+	}
+	case TIFF_IFD: {
+		uint32 *lp = (uint32*)data;
+		while (count-- > 0) {
+			fprintf(fd, ifdfmt, sep, (unsigned long) *lp++);
+			sep = " ";
+		}
+		break;
+	}
+	}
+}
+
+/*
+ * Fetch a contiguous directory item.
+ */
+static int
+TIFFFetchData(int fd, TIFFDirEntry* dir, void* cp)
+{
+	int cc, w;
+
+	w = (dir->tdir_type < NWIDTHS ? datawidth[dir->tdir_type] : 0);
+	cc = dir->tdir_count * w;
+	if (lseek(fd, (off_t)dir->tdir_offset, 0) != (off_t)-1
+	    && read(fd, cp, cc) != -1) {
+		if (swabflag) {
+			switch (dir->tdir_type) {
+			case TIFF_SHORT:
+			case TIFF_SSHORT:
+				TIFFSwabArrayOfShort((uint16*) cp,
+				    dir->tdir_count);
+				break;
+			case TIFF_LONG:
+			case TIFF_SLONG:
+			case TIFF_FLOAT:
+			case TIFF_IFD:
+				TIFFSwabArrayOfLong((uint32*) cp,
+				    dir->tdir_count);
+				break;
+			case TIFF_RATIONAL:
+				TIFFSwabArrayOfLong((uint32*) cp,
+				    2*dir->tdir_count);
+				break;
+			case TIFF_DOUBLE:
+				TIFFSwabArrayOfDouble((double*) cp,
+				    dir->tdir_count);
+				break;
+			}
+		}
+		return (cc);
+	}
+	Error("Error while reading data for tag %u", dir->tdir_tag);
+	return (0);
+}
+
+static void
+ReadError(char* what)
+{
+	Fatal("Error while reading %s", what);
+}
+
+#include <stdarg.h>
+
+static void
+vError(FILE* fd, const char* fmt, va_list ap)
+{
+	fprintf(fd, "%s: ", curfile);
+	vfprintf(fd, fmt, ap);
+	fprintf(fd, ".\n");
+}
+
+static void
+Error(const char* fmt, ...)
+{
+	va_list ap;
+	va_start(ap, fmt);
+	vError(stderr, fmt, ap);
+	va_end(ap);
+}
+
+static void
+Fatal(const char* fmt, ...)
+{
+	va_list ap;
+	va_start(ap, fmt);
+	vError(stderr, fmt, ap);
+	va_end(ap);
+	exit(-1);
+}
+
+/* vim: set ts=8 sts=8 sw=8 noet: */
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 8
+ * fill-column: 78
+ * End:
+ */