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check_tag.c
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check_tag.c
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/* $Id: check_tag.c,v 1.3 2008/04/15 14:19:37 dron Exp $ */
/*
* Copyright (c) 2004, Andrey Kiselev <dron@ak4719.spb.edu>
*
* 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
*
* Helper testing routines.
*/
#include "tiffio.h"
int
CheckShortField(TIFF *tif, const ttag_t field, const uint16 value)
{
uint16 tmp = 123;
if (!TIFFGetField(tif, field, &tmp)) {
fprintf (stderr, "Problem fetching tag %lu.\n",
(unsigned long) field);
return -1;
}
if (tmp != value) {
fprintf (stderr, "Wrong SHORT value fetched for tag %lu.\n",
(unsigned long) field);
return -1;
}
return 0;
}
int
CheckShortPairedField(TIFF *tif, const ttag_t field, const uint16 *values)
{
uint16 tmp[2] = { 123, 456 };
if (!TIFFGetField(tif, field, tmp, tmp + 1)) {
fprintf (stderr, "Problem fetching tag %lu.\n",
(unsigned long) field);
return -1;
}
if (tmp[0] != values[0] || tmp[1] != values[1]) {
fprintf (stderr, "Wrong SHORT PAIR fetched for tag %lu.\n",
(unsigned long) field);
return -1;
}
return 0;
}
int
CheckLongField(TIFF *tif, const ttag_t field, const uint32 value)
{
uint32 tmp = 123;
if (!TIFFGetField(tif, field, &tmp)) {
fprintf (stderr, "Problem fetching tag %lu.\n",
(unsigned long) field);
return -1;
}
if (tmp != value) {
fprintf (stderr, "Wrong LONG value fetched for tag %lu.\n",
(unsigned long) field);
return -1;
}
return 0;
}