chromium/third_party/pdfium/third_party/libtiff/tif_aux.c

/*
 * Copyright (c) 1991-1997 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.
 *
 * Auxiliary Support Routines.
 */
#include "tif_predict.h"
#include "tiffiop.h"
#include <float.h>
#include <math.h>

uint32_t _TIFFMultiply32(TIFF *tif, uint32_t first, uint32_t second,
                         const char *where)
{ … }

uint64_t _TIFFMultiply64(TIFF *tif, uint64_t first, uint64_t second,
                         const char *where)
{ … }

tmsize_t _TIFFMultiplySSize(TIFF *tif, tmsize_t first, tmsize_t second,
                            const char *where)
{ … }

tmsize_t _TIFFCastUInt64ToSSize(TIFF *tif, uint64_t val, const char *module)
{ … }

void *_TIFFCheckRealloc(TIFF *tif, void *buffer, tmsize_t nmemb,
                        tmsize_t elem_size, const char *what)
{ … }

void *_TIFFCheckMalloc(TIFF *tif, tmsize_t nmemb, tmsize_t elem_size,
                       const char *what)
{ … }

static int TIFFDefaultTransferFunction(TIFF *tif, TIFFDirectory *td)
{ … }

static int TIFFDefaultRefBlackWhite(TIFF *tif, TIFFDirectory *td)
{ … }

/*
 * Like TIFFGetField, but return any default
 * value if the tag is not present in the directory.
 *
 * NB:	We use the value in the directory, rather than
 *	explicit values so that defaults exist only one
 *	place in the library -- in TIFFDefaultDirectory.
 */
int TIFFVGetFieldDefaulted(TIFF *tif, uint32_t tag, va_list ap)
{ … }

/*
 * Like TIFFGetField, but return any default
 * value if the tag is not present in the directory.
 */
int TIFFGetFieldDefaulted(TIFF *tif, uint32_t tag, ...)
{ … }

struct _Int64Parts
{ … };

_Int64;

float _TIFFUInt64ToFloat(uint64_t ui64)
{ … }

double _TIFFUInt64ToDouble(uint64_t ui64)
{ … }

float _TIFFClampDoubleToFloat(double val)
{ … }

uint32_t _TIFFClampDoubleToUInt32(double val)
{ … }

int _TIFFSeekOK(TIFF *tif, toff_t off)
{ … }