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1 /* $Id: tif_dirinfo.c,v 1.121 2014-05-07 01:58:46 bfriesen 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  * Core Directory Tag Support.
31  */
32 #include "tiffiop.h"
33 #include <stdlib.h>
34 
35 /*
36  * NOTE: THIS ARRAY IS ASSUMED TO BE SORTED BY TAG.
37  *
38  * NOTE: The second field (field_readcount) and third field (field_writecount)
39  *       sometimes use the values TIFF_VARIABLE (-1), TIFF_VARIABLE2 (-3)
40  *       and TIFF_SPP (-2). The macros should be used but would throw off
41  *       the formatting of the code, so please interprete the -1, -2 and -3
42  *       values accordingly.
43  */
44 
45 static TIFFFieldArray tiffFieldArray;
46 static TIFFFieldArray exifFieldArray;
47 
48 static TIFFField
49 tiffFields[] = {
50 	{ TIFFTAG_SUBFILETYPE, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_SUBFILETYPE, 1, 0, "SubfileType", NULL },
51 	{ TIFFTAG_OSUBFILETYPE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_SUBFILETYPE, 1, 0, "OldSubfileType", NULL },
52 	{ TIFFTAG_IMAGEWIDTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_IMAGEDIMENSIONS, 0, 0, "ImageWidth", NULL },
53 	{ TIFFTAG_IMAGELENGTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_IMAGEDIMENSIONS, 1, 0, "ImageLength", NULL },
54 	{ TIFFTAG_BITSPERSAMPLE, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_BITSPERSAMPLE, 0, 0, "BitsPerSample", NULL },
55 	{ TIFFTAG_COMPRESSION, -1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_COMPRESSION, 0, 0, "Compression", NULL },
56 	{ TIFFTAG_PHOTOMETRIC, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_PHOTOMETRIC, 0, 0, "PhotometricInterpretation", NULL },
57 	{ TIFFTAG_THRESHHOLDING, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_THRESHHOLDING, 1, 0, "Threshholding", NULL },
58 	{ TIFFTAG_CELLWIDTH, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 1, 0, "CellWidth", NULL },
59 	{ TIFFTAG_CELLLENGTH, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 1, 0, "CellLength", NULL },
60 	{ TIFFTAG_FILLORDER, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_FILLORDER, 0, 0, "FillOrder", NULL },
61 	{ TIFFTAG_DOCUMENTNAME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DocumentName", NULL },
62 	{ TIFFTAG_IMAGEDESCRIPTION, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageDescription", NULL },
63 	{ TIFFTAG_MAKE, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Make", NULL },
64 	{ TIFFTAG_MODEL, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Model", NULL },
65 	{ TIFFTAG_STRIPOFFSETS, -1, -1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_STRIPOFFSETS, 0, 0, "StripOffsets", NULL },
66 	{ TIFFTAG_ORIENTATION, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_ORIENTATION, 0, 0, "Orientation", NULL },
67 	{ TIFFTAG_SAMPLESPERPIXEL, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_SAMPLESPERPIXEL, 0, 0, "SamplesPerPixel", NULL },
68 	{ TIFFTAG_ROWSPERSTRIP, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_ROWSPERSTRIP, 0, 0, "RowsPerStrip", NULL },
69 	{ TIFFTAG_STRIPBYTECOUNTS, -1, -1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_STRIPBYTECOUNTS, 0, 0, "StripByteCounts", NULL },
70 	{ TIFFTAG_MINSAMPLEVALUE, -2, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_MINSAMPLEVALUE, 1, 0, "MinSampleValue", NULL },
71 	{ TIFFTAG_MAXSAMPLEVALUE, -2, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_MAXSAMPLEVALUE, 1, 0, "MaxSampleValue", NULL },
72 	{ TIFFTAG_XRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_RESOLUTION, 1, 0, "XResolution", NULL },
73 	{ TIFFTAG_YRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_RESOLUTION, 1, 0, "YResolution", NULL },
74 	{ TIFFTAG_PLANARCONFIG, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_PLANARCONFIG, 0, 0, "PlanarConfiguration", NULL },
75 	{ TIFFTAG_PAGENAME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PageName", NULL },
76 	{ TIFFTAG_XPOSITION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_POSITION, 1, 0, "XPosition", NULL },
77 	{ TIFFTAG_YPOSITION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_POSITION, 1, 0, "YPosition", NULL },
78 	{ TIFFTAG_FREEOFFSETS, -1, -1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 0, 0, "FreeOffsets", NULL },
79 	{ TIFFTAG_FREEBYTECOUNTS, -1, -1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 0, 0, "FreeByteCounts", NULL },
80 	{ TIFFTAG_GRAYRESPONSEUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 1, 0, "GrayResponseUnit", NULL },
81 	{ TIFFTAG_GRAYRESPONSECURVE, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 1, 0, "GrayResponseCurve", NULL },
82 	{ TIFFTAG_RESOLUTIONUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_RESOLUTIONUNIT, 1, 0, "ResolutionUnit", NULL },
83 	{ TIFFTAG_PAGENUMBER, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_UINT16_PAIR, TIFF_SETGET_UNDEFINED, FIELD_PAGENUMBER, 1, 0, "PageNumber", NULL },
84 	{ TIFFTAG_COLORRESPONSEUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 1, 0, "ColorResponseUnit", NULL },
85 	{ TIFFTAG_TRANSFERFUNCTION, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_OTHER, TIFF_SETGET_UNDEFINED, FIELD_TRANSFERFUNCTION, 1, 0, "TransferFunction", NULL },
86 	{ TIFFTAG_SOFTWARE, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Software", NULL },
87 	{ TIFFTAG_DATETIME, 20, 20, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DateTime", NULL },
88 	{ TIFFTAG_ARTIST, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Artist", NULL },
89 	{ TIFFTAG_HOSTCOMPUTER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "HostComputer", NULL },
90 	{ TIFFTAG_WHITEPOINT, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "WhitePoint", NULL },
91 	{ TIFFTAG_PRIMARYCHROMATICITIES, 6, 6, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PrimaryChromaticities", NULL },
92 	{ TIFFTAG_COLORMAP, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_OTHER, TIFF_SETGET_UNDEFINED, FIELD_COLORMAP, 1, 0, "ColorMap", NULL },
93 	{ TIFFTAG_HALFTONEHINTS, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_UINT16_PAIR, TIFF_SETGET_UNDEFINED, FIELD_HALFTONEHINTS, 1, 0, "HalftoneHints", NULL },
94 	{ TIFFTAG_TILEWIDTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_TILEDIMENSIONS, 0, 0, "TileWidth", NULL },
95 	{ TIFFTAG_TILELENGTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_TILEDIMENSIONS, 0, 0, "TileLength", NULL },
96 	{ TIFFTAG_TILEOFFSETS, -1, 1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_STRIPOFFSETS, 0, 0, "TileOffsets", NULL },
97 	{ TIFFTAG_TILEBYTECOUNTS, -1, 1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_STRIPBYTECOUNTS, 0, 0, "TileByteCounts", NULL },
98 	{ TIFFTAG_SUBIFD, -1, -1, TIFF_IFD8, 0, TIFF_SETGET_C16_IFD8, TIFF_SETGET_UNDEFINED, FIELD_SUBIFD, 1, 1, "SubIFD", &tiffFieldArray },
99 	{ TIFFTAG_INKSET, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "InkSet", NULL },
100 	{ TIFFTAG_INKNAMES, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_C16_ASCII, TIFF_SETGET_UNDEFINED, FIELD_INKNAMES, 1, 1, "InkNames", NULL },
101 	{ TIFFTAG_NUMBEROFINKS, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "NumberOfInks", NULL },
102 	{ TIFFTAG_DOTRANGE, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_UINT16_PAIR, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DotRange", NULL },
103 	{ TIFFTAG_TARGETPRINTER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "TargetPrinter", NULL },
104 	{ TIFFTAG_EXTRASAMPLES, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_EXTRASAMPLES, 0, 1, "ExtraSamples", NULL },
105 	{ TIFFTAG_SAMPLEFORMAT, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_SAMPLEFORMAT, 0, 0, "SampleFormat", NULL },
106 	{ TIFFTAG_SMINSAMPLEVALUE, -2, -1, TIFF_ANY, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_SMINSAMPLEVALUE, 1, 0, "SMinSampleValue", NULL },
107 	{ TIFFTAG_SMAXSAMPLEVALUE, -2, -1, TIFF_ANY, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_SMAXSAMPLEVALUE, 1, 0, "SMaxSampleValue", NULL },
108 	{ TIFFTAG_CLIPPATH, -1, -3, TIFF_BYTE, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ClipPath", NULL },
109 	{ TIFFTAG_XCLIPPATHUNITS, 1, 1, TIFF_SLONG, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "XClipPathUnits", NULL },
110 	{ TIFFTAG_XCLIPPATHUNITS, 1, 1, TIFF_SBYTE, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "XClipPathUnits", NULL },
111 	{ TIFFTAG_YCLIPPATHUNITS, 1, 1, TIFF_SLONG, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "YClipPathUnits", NULL },
112 	{ TIFFTAG_YCBCRCOEFFICIENTS, 3, 3, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "YCbCrCoefficients", NULL },
113 	{ TIFFTAG_YCBCRSUBSAMPLING, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_UINT16_PAIR, TIFF_SETGET_UNDEFINED, FIELD_YCBCRSUBSAMPLING, 0, 0, "YCbCrSubsampling", NULL },
114 	{ TIFFTAG_YCBCRPOSITIONING, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_YCBCRPOSITIONING, 0, 0, "YCbCrPositioning", NULL },
115 	{ TIFFTAG_REFERENCEBLACKWHITE, 6, 6, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_REFBLACKWHITE, 1, 0, "ReferenceBlackWhite", NULL },
116 	{ TIFFTAG_XMLPACKET, -3, -3, TIFF_BYTE, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "XMLPacket", NULL },
117 	/* begin SGI tags */
118 	{ TIFFTAG_MATTEING, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_EXTRASAMPLES, 0, 0, "Matteing", NULL },
119 	{ TIFFTAG_DATATYPE, -2, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_SAMPLEFORMAT, 0, 0, "DataType", NULL },
120 	{ TIFFTAG_IMAGEDEPTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_IMAGEDEPTH, 0, 0, "ImageDepth", NULL },
121 	{ TIFFTAG_TILEDEPTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_TILEDEPTH, 0, 0, "TileDepth", NULL },
122 	/* end SGI tags */
123 	/* begin Pixar tags */
124 	{ TIFFTAG_PIXAR_IMAGEFULLWIDTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageFullWidth", NULL },
125 	{ TIFFTAG_PIXAR_IMAGEFULLLENGTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageFullLength", NULL },
126 	{ TIFFTAG_PIXAR_TEXTUREFORMAT, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "TextureFormat", NULL },
127 	{ TIFFTAG_PIXAR_WRAPMODES, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "TextureWrapModes", NULL },
128 	{ TIFFTAG_PIXAR_FOVCOT, 1, 1, TIFF_FLOAT, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FieldOfViewCotangent", NULL },
129 	{ TIFFTAG_PIXAR_MATRIX_WORLDTOSCREEN, 16, 16, TIFF_FLOAT, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MatrixWorldToScreen", NULL },
130 	{ TIFFTAG_PIXAR_MATRIX_WORLDTOCAMERA, 16, 16, TIFF_FLOAT, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MatrixWorldToCamera", NULL },
131 	{ TIFFTAG_CFAREPEATPATTERNDIM, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_C0_UINT16, TIFF_SETGET_UNDEFINED,	FIELD_CUSTOM, 0,	0,	"CFARepeatPatternDim", NULL },
132 	{ TIFFTAG_CFAPATTERN,	4, 4,	TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0,	0,	"CFAPattern" , NULL},
133 	{ TIFFTAG_COPYRIGHT, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Copyright", NULL },
134 	/* end Pixar tags */
135 	{ TIFFTAG_RICHTIFFIPTC, -3, -3, TIFF_LONG, 0, TIFF_SETGET_C32_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "RichTIFFIPTC", NULL },
136 	{ TIFFTAG_PHOTOSHOP, -3, -3, TIFF_BYTE, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "Photoshop", NULL },
137 	{ TIFFTAG_EXIFIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "EXIFIFDOffset", &exifFieldArray },
138 	{ TIFFTAG_ICCPROFILE, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ICC Profile", NULL },
139 	{ TIFFTAG_GPSIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "GPSIFDOffset", NULL },
140 	{ TIFFTAG_FAXRECVPARAMS, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UINT32, FIELD_CUSTOM, TRUE, FALSE, "FaxRecvParams", NULL },
141 	{ TIFFTAG_FAXSUBADDRESS, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_ASCII, FIELD_CUSTOM, TRUE, FALSE, "FaxSubAddress", NULL },
142 	{ TIFFTAG_FAXRECVTIME, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UINT32, FIELD_CUSTOM, TRUE, FALSE, "FaxRecvTime", NULL },
143 	{ TIFFTAG_FAXDCS, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_ASCII, FIELD_CUSTOM, TRUE, FALSE, "FaxDcs", NULL },
144 	{ TIFFTAG_STONITS, 1, 1, TIFF_DOUBLE, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "StoNits", NULL },
145 	{ TIFFTAG_INTEROPERABILITYIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "InteroperabilityIFDOffset", NULL },
146 	/* begin DNG tags */
147 	{ TIFFTAG_DNGVERSION, 4, 4, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DNGVersion", NULL },
148 	{ TIFFTAG_DNGBACKWARDVERSION, 4, 4, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DNGBackwardVersion", NULL },
149 	{ TIFFTAG_UNIQUECAMERAMODEL, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "UniqueCameraModel", NULL },
150 	{ TIFFTAG_LOCALIZEDCAMERAMODEL, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "LocalizedCameraModel", NULL },
151 	{ TIFFTAG_CFAPLANECOLOR, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "CFAPlaneColor", NULL },
152 	{ TIFFTAG_CFALAYOUT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "CFALayout", NULL },
153 	{ TIFFTAG_LINEARIZATIONTABLE, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "LinearizationTable", NULL },
154 	{ TIFFTAG_BLACKLEVELREPEATDIM, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_C0_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BlackLevelRepeatDim", NULL },
155 	{ TIFFTAG_BLACKLEVEL, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "BlackLevel", NULL },
156 	{ TIFFTAG_BLACKLEVELDELTAH, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "BlackLevelDeltaH", NULL },
157 	{ TIFFTAG_BLACKLEVELDELTAV, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "BlackLevelDeltaV", NULL },
158 	{ TIFFTAG_WHITELEVEL, -1, -1, TIFF_LONG, 0, TIFF_SETGET_C16_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "WhiteLevel", NULL },
159 	{ TIFFTAG_DEFAULTSCALE, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DefaultScale", NULL },
160 	{ TIFFTAG_BESTQUALITYSCALE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BestQualityScale", NULL },
161 	{ TIFFTAG_DEFAULTCROPORIGIN, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DefaultCropOrigin", NULL },
162 	{ TIFFTAG_DEFAULTCROPSIZE, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DefaultCropSize", NULL },
163 	{ TIFFTAG_COLORMATRIX1, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ColorMatrix1", NULL },
164 	{ TIFFTAG_COLORMATRIX2, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ColorMatrix2", NULL },
165 	{ TIFFTAG_CAMERACALIBRATION1, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "CameraCalibration1", NULL },
166 	{ TIFFTAG_CAMERACALIBRATION2, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "CameraCalibration2", NULL },
167 	{ TIFFTAG_REDUCTIONMATRIX1, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ReductionMatrix1", NULL },
168 	{ TIFFTAG_REDUCTIONMATRIX2, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ReductionMatrix2", NULL },
169 	{ TIFFTAG_ANALOGBALANCE, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "AnalogBalance", NULL },
170 	{ TIFFTAG_ASSHOTNEUTRAL, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "AsShotNeutral", NULL },
171 	{ TIFFTAG_ASSHOTWHITEXY, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "AsShotWhiteXY", NULL },
172 	{ TIFFTAG_BASELINEEXPOSURE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BaselineExposure", NULL },
173 	{ TIFFTAG_BASELINENOISE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BaselineNoise", NULL },
174 	{ TIFFTAG_BASELINESHARPNESS, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BaselineSharpness", NULL },
175 	{ TIFFTAG_BAYERGREENSPLIT, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BayerGreenSplit", NULL },
176 	{ TIFFTAG_LINEARRESPONSELIMIT, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "LinearResponseLimit", NULL },
177 	{ TIFFTAG_CAMERASERIALNUMBER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CameraSerialNumber", NULL },
178 	{ TIFFTAG_LENSINFO, 4, 4, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "LensInfo", NULL },
179 	{ TIFFTAG_CHROMABLURRADIUS, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ChromaBlurRadius", NULL },
180 	{ TIFFTAG_ANTIALIASSTRENGTH, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "AntiAliasStrength", NULL },
181 	{ TIFFTAG_SHADOWSCALE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ShadowScale", NULL },
182 	{ TIFFTAG_DNGPRIVATEDATA, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "DNGPrivateData", NULL },
183 	{ TIFFTAG_MAKERNOTESAFETY, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "MakerNoteSafety", NULL },
184 	{ TIFFTAG_CALIBRATIONILLUMINANT1, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "CalibrationIlluminant1", NULL },
185 	{ TIFFTAG_CALIBRATIONILLUMINANT2, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "CalibrationIlluminant2", NULL },
186 	{ TIFFTAG_RAWDATAUNIQUEID, 16, 16, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "RawDataUniqueID", NULL },
187 	{ TIFFTAG_ORIGINALRAWFILENAME, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "OriginalRawFileName", NULL },
188 	{ TIFFTAG_ORIGINALRAWFILEDATA, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "OriginalRawFileData", NULL },
189 	{ TIFFTAG_ACTIVEAREA, 4, 4, TIFF_LONG, 0, TIFF_SETGET_C0_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ActiveArea", NULL },
190 	{ TIFFTAG_MASKEDAREAS, -1, -1, TIFF_LONG, 0, TIFF_SETGET_C16_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "MaskedAreas", NULL },
191 	{ TIFFTAG_ASSHOTICCPROFILE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "AsShotICCProfile", NULL },
192 	{ TIFFTAG_ASSHOTPREPROFILEMATRIX, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "AsShotPreProfileMatrix", NULL },
193 	{ TIFFTAG_CURRENTICCPROFILE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "CurrentICCProfile", NULL },
194 	{ TIFFTAG_CURRENTPREPROFILEMATRIX, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "CurrentPreProfileMatrix", NULL },
195 	{ TIFFTAG_PERSAMPLE, 0, 0, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_PSEUDO, TRUE, FALSE, "PerSample", NULL},
196 	/* end DNG tags */
197 	/* begin TIFF/FX tags */
198         { TIFFTAG_INDEXED, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "Indexed", NULL },
199         { TIFFTAG_GLOBALPARAMETERSIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "GlobalParametersIFD", NULL },
200         { TIFFTAG_PROFILETYPE, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ProfileType", NULL },
201         { TIFFTAG_FAXPROFILE, 1, 1, TIFF_BYTE, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "FaxProfile", NULL },
202         { TIFFTAG_CODINGMETHODS, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "CodingMethods", NULL },
203         { TIFFTAG_VERSIONYEAR, 4, 4, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "VersionYear", NULL },
204         { TIFFTAG_MODENUMBER, 1, 1, TIFF_BYTE, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ModeNumber", NULL },
205         { TIFFTAG_DECODE, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "Decode", NULL },
206         { TIFFTAG_IMAGEBASECOLOR, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ImageBaseColor", NULL },
207         { TIFFTAG_T82OPTIONS, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "T82Options", NULL },
208         { TIFFTAG_STRIPROWCOUNTS, -1, -1, TIFF_LONG, 0, TIFF_SETGET_C16_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "StripRowCounts", NULL },
209         { TIFFTAG_IMAGELAYER, 2, 2, TIFF_LONG, 0, TIFF_SETGET_C0_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ImageLayer", NULL },
210 	/* end TIFF/FX tags */
211 	/* begin pseudo tags */
212 };
213 
214 static TIFFField
215 exifFields[] = {
216 	{ EXIFTAG_EXPOSURETIME, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureTime", NULL },
217 	{ EXIFTAG_FNUMBER, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FNumber", NULL },
218 	{ EXIFTAG_EXPOSUREPROGRAM, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureProgram", NULL },
219 	{ EXIFTAG_SPECTRALSENSITIVITY, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SpectralSensitivity", NULL },
220 	{ EXIFTAG_ISOSPEEDRATINGS, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ISOSpeedRatings", NULL },
221 	{ EXIFTAG_OECF, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "OptoelectricConversionFactor", NULL },
222 	{ EXIFTAG_EXIFVERSION, 4, 4, TIFF_UNDEFINED, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExifVersion", NULL },
223 	{ EXIFTAG_DATETIMEORIGINAL, 20, 20, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DateTimeOriginal", NULL },
224 	{ EXIFTAG_DATETIMEDIGITIZED, 20, 20, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DateTimeDigitized", NULL },
225 	{ EXIFTAG_COMPONENTSCONFIGURATION, 4, 4, TIFF_UNDEFINED, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ComponentsConfiguration", NULL },
226 	{ EXIFTAG_COMPRESSEDBITSPERPIXEL, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CompressedBitsPerPixel", NULL },
227 	{ EXIFTAG_SHUTTERSPEEDVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ShutterSpeedValue", NULL },
228 	{ EXIFTAG_APERTUREVALUE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ApertureValue", NULL },
229 	{ EXIFTAG_BRIGHTNESSVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BrightnessValue", NULL },
230 	{ EXIFTAG_EXPOSUREBIASVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureBiasValue", NULL },
231 	{ EXIFTAG_MAXAPERTUREVALUE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MaxApertureValue", NULL },
232 	{ EXIFTAG_SUBJECTDISTANCE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubjectDistance", NULL },
233 	{ EXIFTAG_METERINGMODE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MeteringMode", NULL },
234 	{ EXIFTAG_LIGHTSOURCE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LightSource", NULL },
235 	{ EXIFTAG_FLASH, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Flash", NULL },
236 	{ EXIFTAG_FOCALLENGTH, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalLength", NULL },
237 	{ EXIFTAG_SUBJECTAREA, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "SubjectArea", NULL },
238 	{ EXIFTAG_MAKERNOTE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "MakerNote", NULL },
239 	{ EXIFTAG_USERCOMMENT, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "UserComment", NULL },
240 	{ EXIFTAG_SUBSECTIME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubSecTime", NULL },
241 	{ EXIFTAG_SUBSECTIMEORIGINAL, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubSecTimeOriginal", NULL },
242 	{ EXIFTAG_SUBSECTIMEDIGITIZED, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubSecTimeDigitized", NULL },
243 	{ EXIFTAG_FLASHPIXVERSION, 4, 4, TIFF_UNDEFINED, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FlashpixVersion", NULL },
244 	{ EXIFTAG_COLORSPACE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ColorSpace", NULL },
245 	{ EXIFTAG_PIXELXDIMENSION, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PixelXDimension", NULL },
246 	{ EXIFTAG_PIXELYDIMENSION, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PixelYDimension", NULL },
247 	{ EXIFTAG_RELATEDSOUNDFILE, 13, 13, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "RelatedSoundFile", NULL },
248 	{ EXIFTAG_FLASHENERGY, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FlashEnergy", NULL },
249 	{ EXIFTAG_SPATIALFREQUENCYRESPONSE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "SpatialFrequencyResponse", NULL },
250 	{ EXIFTAG_FOCALPLANEXRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalPlaneXResolution", NULL },
251 	{ EXIFTAG_FOCALPLANEYRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalPlaneYResolution", NULL },
252 	{ EXIFTAG_FOCALPLANERESOLUTIONUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalPlaneResolutionUnit", NULL },
253 	{ EXIFTAG_SUBJECTLOCATION, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_C0_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubjectLocation", NULL },
254 	{ EXIFTAG_EXPOSUREINDEX, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureIndex", NULL },
255 	{ EXIFTAG_SENSINGMETHOD, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SensingMethod", NULL },
256 	{ EXIFTAG_FILESOURCE, 1, 1, TIFF_UNDEFINED, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FileSource", NULL },
257 	{ EXIFTAG_SCENETYPE, 1, 1, TIFF_UNDEFINED, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SceneType", NULL },
258 	{ EXIFTAG_CFAPATTERN, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "CFAPattern", NULL },
259 	{ EXIFTAG_CUSTOMRENDERED, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CustomRendered", NULL },
260 	{ EXIFTAG_EXPOSUREMODE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureMode", NULL },
261 	{ EXIFTAG_WHITEBALANCE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "WhiteBalance", NULL },
262 	{ EXIFTAG_DIGITALZOOMRATIO, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DigitalZoomRatio", NULL },
263 	{ EXIFTAG_FOCALLENGTHIN35MMFILM, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalLengthIn35mmFilm", NULL },
264 	{ EXIFTAG_SCENECAPTURETYPE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SceneCaptureType", NULL },
265 	{ EXIFTAG_GAINCONTROL, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "GainControl", NULL },
266 	{ EXIFTAG_CONTRAST, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Contrast", NULL },
267 	{ EXIFTAG_SATURATION, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Saturation", NULL },
268 	{ EXIFTAG_SHARPNESS, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Sharpness", NULL },
269 	{ EXIFTAG_DEVICESETTINGDESCRIPTION, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "DeviceSettingDescription", NULL },
270 	{ EXIFTAG_SUBJECTDISTANCERANGE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubjectDistanceRange", NULL },
271 	{ EXIFTAG_IMAGEUNIQUEID, 33, 33, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageUniqueID", NULL }
272 };
273 
274 static TIFFFieldArray
275 tiffFieldArray = { tfiatImage, 0, TIFFArrayCount(tiffFields), tiffFields };
276 static TIFFFieldArray
277 exifFieldArray = { tfiatExif, 0, TIFFArrayCount(exifFields), exifFields };
278 
279 /*
280  *  We have our own local lfind() equivelent to avoid subtle differences
281  *  in types passed to lfind() on different systems.
282  */
283 
284 static void *
td_lfind(const void * key,const void * base,size_t * nmemb,size_t size,int (* compar)(const void *,const void *))285 td_lfind(const void *key, const void *base, size_t *nmemb, size_t size,
286          int(*compar)(const void *, const void *))
287 {
288     char *element, *end;
289 
290     end = (char *)base + *nmemb * size;
291     for (element = (char *)base; element < end; element += size)
292         if (!compar(key, element))		/* key found */
293             return element;
294 
295     return NULL;
296 }
297 
298 const TIFFFieldArray*
_TIFFGetFields(void)299 _TIFFGetFields(void)
300 {
301 	return(&tiffFieldArray);
302 }
303 
304 const TIFFFieldArray*
_TIFFGetExifFields(void)305 _TIFFGetExifFields(void)
306 {
307 	return(&exifFieldArray);
308 }
309 
310 void
_TIFFSetupFields(TIFF * tif,const TIFFFieldArray * fieldarray)311 _TIFFSetupFields(TIFF* tif, const TIFFFieldArray* fieldarray)
312 {
313 	if (tif->tif_fields && tif->tif_nfields > 0) {
314 		uint32 i;
315 
316 		for (i = 0; i < tif->tif_nfields; i++) {
317 			TIFFField *fld = tif->tif_fields[i];
318 			if (fld->field_bit == FIELD_CUSTOM &&
319 				strncmp("Tag ", fld->field_name, 4) == 0) {
320 					_TIFFfree(fld->field_name);
321 					_TIFFfree(fld);
322 				}
323 		}
324 
325 		_TIFFfree(tif->tif_fields);
326 		tif->tif_fields = NULL;
327 		tif->tif_nfields = 0;
328 	}
329 	if (!_TIFFMergeFields(tif, fieldarray->fields, fieldarray->count)) {
330 		TIFFErrorExt(tif->tif_clientdata, "_TIFFSetupFields",
331 			     "Setting up field info failed");
332 	}
333 }
334 
335 static int
tagCompare(const void * a,const void * b)336 tagCompare(const void* a, const void* b)
337 {
338 	const TIFFField* ta = *(const TIFFField**) a;
339 	const TIFFField* tb = *(const TIFFField**) b;
340 	/* NB: be careful of return values for 16-bit platforms */
341 	if (ta->field_tag != tb->field_tag)
342 		return (int)ta->field_tag - (int)tb->field_tag;
343 	else
344 		return (ta->field_type == TIFF_ANY) ?
345 			0 : ((int)tb->field_type - (int)ta->field_type);
346 }
347 
348 static int
tagNameCompare(const void * a,const void * b)349 tagNameCompare(const void* a, const void* b)
350 {
351 	const TIFFField* ta = *(const TIFFField**) a;
352 	const TIFFField* tb = *(const TIFFField**) b;
353 	int ret = strcmp(ta->field_name, tb->field_name);
354 
355 	if (ret)
356 		return ret;
357 	else
358 		return (ta->field_type == TIFF_ANY) ?
359 			0 : ((int)tb->field_type - (int)ta->field_type);
360 }
361 
362 int
_TIFFMergeFields(TIFF * tif,const TIFFField info[],uint32 n)363 _TIFFMergeFields(TIFF* tif, const TIFFField info[], uint32 n)
364 {
365 	static const char module[] = "_TIFFMergeFields";
366 	static const char reason[] = "for fields array";
367 	/* TIFFField** tp; */
368 	uint32 i;
369 
370         tif->tif_foundfield = NULL;
371 
372 	if (tif->tif_fields && tif->tif_nfields > 0) {
373 		tif->tif_fields = (TIFFField**)
374 			_TIFFCheckRealloc(tif, tif->tif_fields,
375 					  (tif->tif_nfields + n),
376 					  sizeof(TIFFField *), reason);
377 	} else {
378 		tif->tif_fields = (TIFFField **)
379 			_TIFFCheckMalloc(tif, n, sizeof(TIFFField *),
380 					 reason);
381 	}
382 	if (!tif->tif_fields) {
383 		TIFFErrorExt(tif->tif_clientdata, module,
384 			     "Failed to allocate fields array");
385 		return 0;
386 	}
387 
388 	/* tp = tif->tif_fields + tif->tif_nfields; */
389 	for (i = 0; i < n; i++) {
390 		const TIFFField *fip =
391 			TIFFFindField(tif, info[i].field_tag, TIFF_ANY);
392 
393                 /* only add definitions that aren't already present */
394 		if (!fip) {
395                         tif->tif_fields[tif->tif_nfields] = (TIFFField *) (info+i);
396                         tif->tif_nfields++;
397                 }
398 	}
399 
400         /* Sort the field info by tag number */
401 	qsort(tif->tif_fields, tif->tif_nfields,
402 	      sizeof(TIFFField *), tagCompare);
403 
404 	return n;
405 }
406 
407 void
_TIFFPrintFieldInfo(TIFF * tif,FILE * fd)408 _TIFFPrintFieldInfo(TIFF* tif, FILE* fd)
409 {
410 	uint32 i;
411 
412 	fprintf(fd, "%s: \n", tif->tif_name);
413 	for (i = 0; i < tif->tif_nfields; i++) {
414 		const TIFFField* fip = tif->tif_fields[i];
415 		fprintf(fd, "field[%2d] %5lu, %2d, %2d, %d, %2d, %5s, %5s, %s\n"
416 			, (int)i
417 			, (unsigned long) fip->field_tag
418 			, fip->field_readcount, fip->field_writecount
419 			, fip->field_type
420 			, fip->field_bit
421 			, fip->field_oktochange ? "TRUE" : "FALSE"
422 			, fip->field_passcount ? "TRUE" : "FALSE"
423 			, fip->field_name
424 		);
425 	}
426 }
427 
428 /*
429  * Return size of TIFFDataType in bytes
430  */
431 int
TIFFDataWidth(TIFFDataType type)432 TIFFDataWidth(TIFFDataType type)
433 {
434 	switch(type)
435 	{
436 		case 0:  /* nothing */
437 		case TIFF_BYTE:
438 		case TIFF_ASCII:
439 		case TIFF_SBYTE:
440 		case TIFF_UNDEFINED:
441 			return 1;
442 		case TIFF_SHORT:
443 		case TIFF_SSHORT:
444 			return 2;
445 		case TIFF_LONG:
446 		case TIFF_SLONG:
447 		case TIFF_FLOAT:
448 		case TIFF_IFD:
449 			return 4;
450 		case TIFF_RATIONAL:
451 		case TIFF_SRATIONAL:
452 		case TIFF_DOUBLE:
453 		case TIFF_LONG8:
454 		case TIFF_SLONG8:
455 		case TIFF_IFD8:
456 			return 8;
457 		default:
458 			return 0; /* will return 0 for unknown types */
459 	}
460 }
461 
462 /*
463  * Return size of TIFFDataType in bytes.
464  *
465  * XXX: We need a separate function to determine the space needed
466  * to store the value. For TIFF_RATIONAL values TIFFDataWidth() returns 8,
467  * but we use 4-byte float to represent rationals.
468  */
469 int
_TIFFDataSize(TIFFDataType type)470 _TIFFDataSize(TIFFDataType type)
471 {
472 	switch (type)
473 	{
474 		case TIFF_BYTE:
475 		case TIFF_SBYTE:
476 		case TIFF_ASCII:
477 		case TIFF_UNDEFINED:
478 		    return 1;
479 		case TIFF_SHORT:
480 		case TIFF_SSHORT:
481 		    return 2;
482 		case TIFF_LONG:
483 		case TIFF_SLONG:
484 		case TIFF_FLOAT:
485 		case TIFF_IFD:
486 		case TIFF_RATIONAL:
487 		case TIFF_SRATIONAL:
488 		    return 4;
489 		case TIFF_DOUBLE:
490 		case TIFF_LONG8:
491 		case TIFF_SLONG8:
492 		case TIFF_IFD8:
493 		    return 8;
494 		default:
495 		    return 0;
496 	}
497 }
498 
499 const TIFFField*
TIFFFindField(TIFF * tif,uint32 tag,TIFFDataType dt)500 TIFFFindField(TIFF* tif, uint32 tag, TIFFDataType dt)
501 {
502 	TIFFField key = {0, 0, 0, TIFF_NOTYPE, 0, 0, 0, 0, 0, 0, NULL, NULL};
503 	TIFFField* pkey = &key;
504 	const TIFFField **ret;
505 	if (tif->tif_foundfield && tif->tif_foundfield->field_tag == tag &&
506 	    (dt == TIFF_ANY || dt == tif->tif_foundfield->field_type))
507 		return tif->tif_foundfield;
508 
509 	/* If we are invoked with no field information, then just return. */
510 	if (!tif->tif_fields)
511 		return NULL;
512 
513 	/* NB: use sorted search (e.g. binary search) */
514 
515 	key.field_tag = tag;
516 	key.field_type = dt;
517 
518 	ret = (const TIFFField **) bsearch(&pkey, tif->tif_fields,
519 					   tif->tif_nfields,
520 					   sizeof(TIFFField *), tagCompare);
521 	return tif->tif_foundfield = (ret ? *ret : NULL);
522 }
523 
524 const TIFFField*
_TIFFFindFieldByName(TIFF * tif,const char * field_name,TIFFDataType dt)525 _TIFFFindFieldByName(TIFF* tif, const char *field_name, TIFFDataType dt)
526 {
527 	TIFFField key = {0, 0, 0, TIFF_NOTYPE, 0, 0, 0, 0, 0, 0, NULL, NULL};
528 	TIFFField* pkey = &key;
529 	const TIFFField **ret;
530 	if (tif->tif_foundfield
531 	    && streq(tif->tif_foundfield->field_name, field_name)
532 	    && (dt == TIFF_ANY || dt == tif->tif_foundfield->field_type))
533 		return (tif->tif_foundfield);
534 
535 	/* If we are invoked with no field information, then just return. */
536 	if (!tif->tif_fields)
537 		return NULL;
538 
539 	/* NB: use linear search since list is sorted by key#, not name */
540 
541 	key.field_name = (char *)field_name;
542 	key.field_type = dt;
543 
544 	ret = (const TIFFField **)
545             td_lfind(&pkey, tif->tif_fields, &tif->tif_nfields,
546                      sizeof(TIFFField *), tagNameCompare);
547 
548 	return tif->tif_foundfield = (ret ? *ret : NULL);
549 }
550 
551 const TIFFField*
TIFFFieldWithTag(TIFF * tif,uint32 tag)552 TIFFFieldWithTag(TIFF* tif, uint32 tag)
553 {
554 	const TIFFField* fip = TIFFFindField(tif, tag, TIFF_ANY);
555 	if (!fip) {
556 		TIFFErrorExt(tif->tif_clientdata, "TIFFFieldWithTag",
557 			     "Internal error, unknown tag 0x%x",
558 			     (unsigned int) tag);
559 	}
560 	return (fip);
561 }
562 
563 const TIFFField*
TIFFFieldWithName(TIFF * tif,const char * field_name)564 TIFFFieldWithName(TIFF* tif, const char *field_name)
565 {
566 	const TIFFField* fip =
567 		_TIFFFindFieldByName(tif, field_name, TIFF_ANY);
568 	if (!fip) {
569 		TIFFErrorExt(tif->tif_clientdata, "TIFFFieldWithName",
570 			     "Internal error, unknown tag %s", field_name);
571 	}
572 	return (fip);
573 }
574 
575 uint32
TIFFFieldTag(const TIFFField * fip)576 TIFFFieldTag(const TIFFField* fip)
577 {
578 	return fip->field_tag;
579 }
580 
581 const char *
TIFFFieldName(const TIFFField * fip)582 TIFFFieldName(const TIFFField* fip)
583 {
584 	return fip->field_name;
585 }
586 
587 TIFFDataType
TIFFFieldDataType(const TIFFField * fip)588 TIFFFieldDataType(const TIFFField* fip)
589 {
590 	return fip->field_type;
591 }
592 
593 int
TIFFFieldPassCount(const TIFFField * fip)594 TIFFFieldPassCount(const TIFFField* fip)
595 {
596 	return fip->field_passcount;
597 }
598 
599 int
TIFFFieldReadCount(const TIFFField * fip)600 TIFFFieldReadCount(const TIFFField* fip)
601 {
602 	return fip->field_readcount;
603 }
604 
605 int
TIFFFieldWriteCount(const TIFFField * fip)606 TIFFFieldWriteCount(const TIFFField* fip)
607 {
608 	return fip->field_writecount;
609 }
610 
611 const TIFFField*
_TIFFFindOrRegisterField(TIFF * tif,uint32 tag,TIFFDataType dt)612 _TIFFFindOrRegisterField(TIFF *tif, uint32 tag, TIFFDataType dt)
613 
614 {
615 	const TIFFField *fld;
616 
617 	fld = TIFFFindField(tif, tag, dt);
618 	if (fld == NULL) {
619 		fld = _TIFFCreateAnonField(tif, tag, dt);
620 		if (!_TIFFMergeFields(tif, fld, 1))
621 			return NULL;
622 	}
623 
624 	return fld;
625 }
626 
627 TIFFField*
_TIFFCreateAnonField(TIFF * tif,uint32 tag,TIFFDataType field_type)628 _TIFFCreateAnonField(TIFF *tif, uint32 tag, TIFFDataType field_type)
629 {
630 	TIFFField *fld;
631 	(void) tif;
632 
633 	fld = (TIFFField *) _TIFFmalloc(sizeof (TIFFField));
634 	if (fld == NULL)
635 	    return NULL;
636 	_TIFFmemset(fld, 0, sizeof(TIFFField));
637 
638 	fld->field_tag = tag;
639 	fld->field_readcount = TIFF_VARIABLE2;
640 	fld->field_writecount = TIFF_VARIABLE2;
641 	fld->field_type = field_type;
642 	fld->reserved = 0;
643 	switch (field_type)
644 	{
645 		case TIFF_BYTE:
646 		case TIFF_UNDEFINED:
647 			fld->set_field_type = TIFF_SETGET_C32_UINT8;
648 			fld->get_field_type = TIFF_SETGET_C32_UINT8;
649 			break;
650 		case TIFF_ASCII:
651 			fld->set_field_type = TIFF_SETGET_C32_ASCII;
652 			fld->get_field_type = TIFF_SETGET_C32_ASCII;
653 			break;
654 		case TIFF_SHORT:
655 			fld->set_field_type = TIFF_SETGET_C32_UINT16;
656 			fld->get_field_type = TIFF_SETGET_C32_UINT16;
657 			break;
658 		case TIFF_LONG:
659 			fld->set_field_type = TIFF_SETGET_C32_UINT32;
660 			fld->get_field_type = TIFF_SETGET_C32_UINT32;
661 			break;
662 		case TIFF_RATIONAL:
663 		case TIFF_SRATIONAL:
664 		case TIFF_FLOAT:
665 			fld->set_field_type = TIFF_SETGET_C32_FLOAT;
666 			fld->get_field_type = TIFF_SETGET_C32_FLOAT;
667 			break;
668 		case TIFF_SBYTE:
669 			fld->set_field_type = TIFF_SETGET_C32_SINT8;
670 			fld->get_field_type = TIFF_SETGET_C32_SINT8;
671 			break;
672 		case TIFF_SSHORT:
673 			fld->set_field_type = TIFF_SETGET_C32_SINT16;
674 			fld->get_field_type = TIFF_SETGET_C32_SINT16;
675 			break;
676 		case TIFF_SLONG:
677 			fld->set_field_type = TIFF_SETGET_C32_SINT32;
678 			fld->get_field_type = TIFF_SETGET_C32_SINT32;
679 			break;
680 		case TIFF_DOUBLE:
681 			fld->set_field_type = TIFF_SETGET_C32_DOUBLE;
682 			fld->get_field_type = TIFF_SETGET_C32_DOUBLE;
683 			break;
684 		case TIFF_IFD:
685 		case TIFF_IFD8:
686 			fld->set_field_type = TIFF_SETGET_C32_IFD8;
687 			fld->get_field_type = TIFF_SETGET_C32_IFD8;
688 			break;
689 		case TIFF_LONG8:
690 			fld->set_field_type = TIFF_SETGET_C32_UINT64;
691 			fld->get_field_type = TIFF_SETGET_C32_UINT64;
692 			break;
693 		case TIFF_SLONG8:
694 			fld->set_field_type = TIFF_SETGET_C32_SINT64;
695 			fld->get_field_type = TIFF_SETGET_C32_SINT64;
696 			break;
697 		default:
698 			fld->set_field_type = TIFF_SETGET_UNDEFINED;
699 			fld->get_field_type = TIFF_SETGET_UNDEFINED;
700 			break;
701 	}
702 	fld->field_bit = FIELD_CUSTOM;
703 	fld->field_oktochange = TRUE;
704 	fld->field_passcount = TRUE;
705 	fld->field_name = (char *) _TIFFmalloc(32);
706 	if (fld->field_name == NULL) {
707 	    _TIFFfree(fld);
708 	    return NULL;
709 	}
710 	fld->field_subfields = NULL;
711 
712 	/*
713 	 * note that this name is a special sign to TIFFClose() and
714 	 * _TIFFSetupFields() to free the field
715 	 */
716 	snprintf(fld->field_name, 32, "Tag %d", (int) tag);
717 
718 	return fld;
719 }
720 
721 /****************************************************************************
722  *               O B S O L E T E D    I N T E R F A C E S
723  *
724  * Don't use this stuff in your applications, it may be removed in the future
725  * libtiff versions.
726  ****************************************************************************/
727 
728 static TIFFSetGetFieldType
_TIFFSetGetType(TIFFDataType type,short count,unsigned char passcount)729 _TIFFSetGetType(TIFFDataType type, short count, unsigned char passcount)
730 {
731 	if (type == TIFF_ASCII && count == TIFF_VARIABLE && passcount == 0)
732 		return TIFF_SETGET_ASCII;
733 
734 	else if (count == 1 && passcount == 0) {
735 		switch (type)
736 		{
737 			case TIFF_BYTE:
738 			case TIFF_UNDEFINED:
739 				return TIFF_SETGET_UINT8;
740 			case TIFF_ASCII:
741 				return TIFF_SETGET_ASCII;
742 			case TIFF_SHORT:
743 				return TIFF_SETGET_UINT16;
744 			case TIFF_LONG:
745 				return TIFF_SETGET_UINT32;
746 			case TIFF_RATIONAL:
747 			case TIFF_SRATIONAL:
748 			case TIFF_FLOAT:
749 				return TIFF_SETGET_FLOAT;
750 			case TIFF_SBYTE:
751 				return TIFF_SETGET_SINT8;
752 			case TIFF_SSHORT:
753 				return TIFF_SETGET_SINT16;
754 			case TIFF_SLONG:
755 				return TIFF_SETGET_SINT32;
756 			case TIFF_DOUBLE:
757 				return TIFF_SETGET_DOUBLE;
758 			case TIFF_IFD:
759 			case TIFF_IFD8:
760 				return TIFF_SETGET_IFD8;
761 			case TIFF_LONG8:
762 				return TIFF_SETGET_UINT64;
763 			case TIFF_SLONG8:
764 				return TIFF_SETGET_SINT64;
765 			default:
766 				return TIFF_SETGET_UNDEFINED;
767 		}
768 	}
769 
770 	else if (count >= 1 && passcount == 0) {
771 		switch (type)
772 		{
773 			case TIFF_BYTE:
774 			case TIFF_UNDEFINED:
775 				return TIFF_SETGET_C0_UINT8;
776 			case TIFF_ASCII:
777 				return TIFF_SETGET_C0_ASCII;
778 			case TIFF_SHORT:
779 				return TIFF_SETGET_C0_UINT16;
780 			case TIFF_LONG:
781 				return TIFF_SETGET_C0_UINT32;
782 			case TIFF_RATIONAL:
783 			case TIFF_SRATIONAL:
784 			case TIFF_FLOAT:
785 				return TIFF_SETGET_C0_FLOAT;
786 			case TIFF_SBYTE:
787 				return TIFF_SETGET_C0_SINT8;
788 			case TIFF_SSHORT:
789 				return TIFF_SETGET_C0_SINT16;
790 			case TIFF_SLONG:
791 				return TIFF_SETGET_C0_SINT32;
792 			case TIFF_DOUBLE:
793 				return TIFF_SETGET_C0_DOUBLE;
794 			case TIFF_IFD:
795 			case TIFF_IFD8:
796 				return TIFF_SETGET_C0_IFD8;
797 			case TIFF_LONG8:
798 				return TIFF_SETGET_C0_UINT64;
799 			case TIFF_SLONG8:
800 				return TIFF_SETGET_C0_SINT64;
801 			default:
802 				return TIFF_SETGET_UNDEFINED;
803 		}
804 	}
805 
806 	else if (count == TIFF_VARIABLE && passcount == 1) {
807 		switch (type)
808 		{
809 			case TIFF_BYTE:
810 			case TIFF_UNDEFINED:
811 				return TIFF_SETGET_C16_UINT8;
812 			case TIFF_ASCII:
813 				return TIFF_SETGET_C16_ASCII;
814 			case TIFF_SHORT:
815 				return TIFF_SETGET_C16_UINT16;
816 			case TIFF_LONG:
817 				return TIFF_SETGET_C16_UINT32;
818 			case TIFF_RATIONAL:
819 			case TIFF_SRATIONAL:
820 			case TIFF_FLOAT:
821 				return TIFF_SETGET_C16_FLOAT;
822 			case TIFF_SBYTE:
823 				return TIFF_SETGET_C16_SINT8;
824 			case TIFF_SSHORT:
825 				return TIFF_SETGET_C16_SINT16;
826 			case TIFF_SLONG:
827 				return TIFF_SETGET_C16_SINT32;
828 			case TIFF_DOUBLE:
829 				return TIFF_SETGET_C16_DOUBLE;
830 			case TIFF_IFD:
831 			case TIFF_IFD8:
832 				return TIFF_SETGET_C16_IFD8;
833 			case TIFF_LONG8:
834 				return TIFF_SETGET_C16_UINT64;
835 			case TIFF_SLONG8:
836 				return TIFF_SETGET_C16_SINT64;
837 			default:
838 				return TIFF_SETGET_UNDEFINED;
839 		}
840 	}
841 
842 	else if (count == TIFF_VARIABLE2 && passcount == 1) {
843 		switch (type)
844 		{
845 			case TIFF_BYTE:
846 			case TIFF_UNDEFINED:
847 				return TIFF_SETGET_C32_UINT8;
848 			case TIFF_ASCII:
849 				return TIFF_SETGET_C32_ASCII;
850 			case TIFF_SHORT:
851 				return TIFF_SETGET_C32_UINT16;
852 			case TIFF_LONG:
853 				return TIFF_SETGET_C32_UINT32;
854 			case TIFF_RATIONAL:
855 			case TIFF_SRATIONAL:
856 			case TIFF_FLOAT:
857 				return TIFF_SETGET_C32_FLOAT;
858 			case TIFF_SBYTE:
859 				return TIFF_SETGET_C32_SINT8;
860 			case TIFF_SSHORT:
861 				return TIFF_SETGET_C32_SINT16;
862 			case TIFF_SLONG:
863 				return TIFF_SETGET_C32_SINT32;
864 			case TIFF_DOUBLE:
865 				return TIFF_SETGET_C32_DOUBLE;
866 			case TIFF_IFD:
867 			case TIFF_IFD8:
868 				return TIFF_SETGET_C32_IFD8;
869 			case TIFF_LONG8:
870 				return TIFF_SETGET_C32_UINT64;
871 			case TIFF_SLONG8:
872 				return TIFF_SETGET_C32_SINT64;
873 			default:
874 				return TIFF_SETGET_UNDEFINED;
875 		}
876 	}
877 
878 	return TIFF_SETGET_UNDEFINED;
879 }
880 
881 int
TIFFMergeFieldInfo(TIFF * tif,const TIFFFieldInfo info[],uint32 n)882 TIFFMergeFieldInfo(TIFF* tif, const TIFFFieldInfo info[], uint32 n)
883 {
884 	static const char module[] = "TIFFMergeFieldInfo";
885 	static const char reason[] = "for fields array";
886 	TIFFField *tp;
887 	size_t nfields;
888 	uint32 i;
889 
890 	if (tif->tif_nfieldscompat > 0) {
891 		tif->tif_fieldscompat = (TIFFFieldArray *)
892 			_TIFFCheckRealloc(tif, tif->tif_fieldscompat,
893 					  tif->tif_nfieldscompat + 1,
894 					  sizeof(TIFFFieldArray), reason);
895 	} else {
896 		tif->tif_fieldscompat = (TIFFFieldArray *)
897 			_TIFFCheckMalloc(tif, 1, sizeof(TIFFFieldArray),
898 					 reason);
899 	}
900 	if (!tif->tif_fieldscompat) {
901 		TIFFErrorExt(tif->tif_clientdata, module,
902 			     "Failed to allocate fields array");
903 		return -1;
904 	}
905 	nfields = tif->tif_nfieldscompat++;
906 
907 	tif->tif_fieldscompat[nfields].type = tfiatOther;
908 	tif->tif_fieldscompat[nfields].allocated_size = n;
909 	tif->tif_fieldscompat[nfields].count = n;
910 	tif->tif_fieldscompat[nfields].fields =
911 		(TIFFField *)_TIFFCheckMalloc(tif, n, sizeof(TIFFField),
912 					      reason);
913 	if (!tif->tif_fieldscompat[nfields].fields) {
914 		TIFFErrorExt(tif->tif_clientdata, module,
915 			     "Failed to allocate fields array");
916 		return -1;
917 	}
918 
919 	tp = tif->tif_fieldscompat[nfields].fields;
920 	for (i = 0; i < n; i++) {
921 		tp->field_tag = info[i].field_tag;
922 		tp->field_readcount = info[i].field_readcount;
923 		tp->field_writecount = info[i].field_writecount;
924 		tp->field_type = info[i].field_type;
925 		tp->reserved = 0;
926 		tp->set_field_type =
927 		     _TIFFSetGetType(info[i].field_type,
928 				info[i].field_readcount,
929 				info[i].field_passcount);
930 		tp->get_field_type =
931 		     _TIFFSetGetType(info[i].field_type,
932 				info[i].field_readcount,
933 				info[i].field_passcount);
934 		tp->field_bit = info[i].field_bit;
935 		tp->field_oktochange = info[i].field_oktochange;
936 		tp->field_passcount = info[i].field_passcount;
937 		tp->field_name = info[i].field_name;
938 		tp->field_subfields = NULL;
939 		tp++;
940 	}
941 
942 	if (!_TIFFMergeFields(tif, tif->tif_fieldscompat[nfields].fields, n)) {
943 		TIFFErrorExt(tif->tif_clientdata, module,
944 			     "Setting up field info failed");
945 		return -1;
946 	}
947 
948 	return 0;
949 }
950 
951 /* vim: set ts=8 sts=8 sw=8 noet: */
952 
953 /*
954  * Local Variables:
955  * mode: c
956  * c-basic-offset: 8
957  * fill-column: 78
958  * End:
959  */
960