Coverage Report

Created: 2025-06-24 07:01

/src/ghostpdl/tiff/libtiff/tif_codec.c
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/*
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 * Copyright (c) 1988-1997 Sam Leffler
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 * Copyright (c) 1991-1997 Silicon Graphics, Inc.
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 *
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 * Permission to use, copy, modify, distribute, and sell this software and
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 * its documentation for any purpose is hereby granted without fee, provided
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 * that (i) the above copyright notices and this permission notice appear in
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 * all copies of the software and related documentation, and (ii) the names of
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 * Sam Leffler and Silicon Graphics may not be used in any advertising or
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 * publicity relating to the software without the specific, prior written
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 * permission of Sam Leffler and Silicon Graphics.
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 *
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 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
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 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
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 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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 *
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 * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
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 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
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 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
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 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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 * OF THIS SOFTWARE.
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 */
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/*
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 * TIFF Library
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 *
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 * Builtin Compression Scheme Configuration Support.
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 */
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#include "tiffiop.h"
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static int NotConfigured(TIFF *, int);
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#ifndef LZW_SUPPORT
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#define TIFFInitLZW NotConfigured
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#endif
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#ifndef PACKBITS_SUPPORT
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#define TIFFInitPackBits NotConfigured
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#endif
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#ifndef THUNDER_SUPPORT
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#define TIFFInitThunderScan NotConfigured
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#endif
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#ifndef NEXT_SUPPORT
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#define TIFFInitNeXT NotConfigured
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#endif
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#ifndef JPEG_SUPPORT
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#define TIFFInitJPEG NotConfigured
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#endif
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#ifndef OJPEG_SUPPORT
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#define TIFFInitOJPEG NotConfigured
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#endif
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#ifndef CCITT_SUPPORT
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#define TIFFInitCCITTRLE NotConfigured
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#define TIFFInitCCITTRLEW NotConfigured
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#define TIFFInitCCITTFax3 NotConfigured
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#define TIFFInitCCITTFax4 NotConfigured
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#endif
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#ifndef JBIG_SUPPORT
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#define TIFFInitJBIG NotConfigured
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#endif
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#ifndef ZIP_SUPPORT
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#define TIFFInitZIP NotConfigured
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#endif
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#ifndef PIXARLOG_SUPPORT
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#define TIFFInitPixarLog NotConfigured
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#endif
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#ifndef LOGLUV_SUPPORT
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#define TIFFInitSGILog NotConfigured
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#endif
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#ifndef LERC_SUPPORT
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#define TIFFInitLERC NotConfigured
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#endif
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#ifndef LZMA_SUPPORT
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#define TIFFInitLZMA NotConfigured
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#endif
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#ifndef ZSTD_SUPPORT
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#define TIFFInitZSTD NotConfigured
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#endif
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#ifndef WEBP_SUPPORT
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#define TIFFInitWebP NotConfigured
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#endif
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/*
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 * Compression schemes statically built into the library.
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 */
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const TIFFCodec _TIFFBuiltinCODECS[] = {
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    {"None", COMPRESSION_NONE, TIFFInitDumpMode},
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    {"LZW", COMPRESSION_LZW, TIFFInitLZW},
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    {"PackBits", COMPRESSION_PACKBITS, TIFFInitPackBits},
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    {"ThunderScan", COMPRESSION_THUNDERSCAN, TIFFInitThunderScan},
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    {"NeXT", COMPRESSION_NEXT, TIFFInitNeXT},
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    {"JPEG", COMPRESSION_JPEG, TIFFInitJPEG},
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    {"Old-style JPEG", COMPRESSION_OJPEG, TIFFInitOJPEG},
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    {"CCITT RLE", COMPRESSION_CCITTRLE, TIFFInitCCITTRLE},
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    {"CCITT RLE/W", COMPRESSION_CCITTRLEW, TIFFInitCCITTRLEW},
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    {"CCITT Group 3", COMPRESSION_CCITTFAX3, TIFFInitCCITTFax3},
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    {"CCITT Group 4", COMPRESSION_CCITTFAX4, TIFFInitCCITTFax4},
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    {"ISO JBIG", COMPRESSION_JBIG, TIFFInitJBIG},
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    {"Deflate", COMPRESSION_DEFLATE, TIFFInitZIP},
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    {"AdobeDeflate", COMPRESSION_ADOBE_DEFLATE, TIFFInitZIP},
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    {"PixarLog", COMPRESSION_PIXARLOG, TIFFInitPixarLog},
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    {"SGILog", COMPRESSION_SGILOG, TIFFInitSGILog},
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    {"SGILog24", COMPRESSION_SGILOG24, TIFFInitSGILog},
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    {"LZMA", COMPRESSION_LZMA, TIFFInitLZMA},
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    {"ZSTD", COMPRESSION_ZSTD, TIFFInitZSTD},
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    {"WEBP", COMPRESSION_WEBP, TIFFInitWebP},
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    {"LERC", COMPRESSION_LERC, TIFFInitLERC},
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    {NULL, 0, NULL}};
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static int _notConfigured(TIFF *tif)
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0
{
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    const TIFFCodec *c = TIFFFindCODEC(tif->tif_dir.td_compression);
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    char compression_code[20];
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    snprintf(compression_code, sizeof(compression_code), "%" PRIu16,
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             tif->tif_dir.td_compression);
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    TIFFErrorExtR(tif, tif->tif_name,
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                  "%s compression support is not configured",
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                  c ? c->name : compression_code);
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    return (0);
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0
}
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static int NotConfigured(TIFF *tif, int scheme)
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{
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    (void)scheme;
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    tif->tif_fixuptags = _notConfigured;
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    tif->tif_decodestatus = FALSE;
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    tif->tif_setupdecode = _notConfigured;
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    tif->tif_encodestatus = FALSE;
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    tif->tif_setupencode = _notConfigured;
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    return (1);
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0
}
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/************************************************************************/
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/*                       TIFFIsCODECConfigured()                        */
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/************************************************************************/
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/**
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 * Check whether we have working codec for the specific coding scheme.
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 *
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 * @return returns 1 if the codec is configured and working. Otherwise
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 * 0 will be returned.
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 */
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int TIFFIsCODECConfigured(uint16_t scheme)
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{
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    const TIFFCodec *codec = TIFFFindCODEC(scheme);
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    if (codec == NULL)
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    {
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        return 0;
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    }
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    if (codec->init == NULL)
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    {
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        return 0;
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    }
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    if (codec->init != NotConfigured)
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    {
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        return 1;
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    }
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    return 0;
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0
}