1 /* $Id: check_tag.c,v 1.3 2008/04/15 14:19:37 dron Exp $ */
2 
3 /*
4  * Copyright (c) 2004, Andrey Kiselev  <dron@ak4719.spb.edu>
5  *
6  * Permission to use, copy, modify, distribute, and sell this software and
7  * its documentation for any purpose is hereby granted without fee, provided
8  * that (i) the above copyright notices and this permission notice appear in
9  * all copies of the software and related documentation, and (ii) the names of
10  * Sam Leffler and Silicon Graphics may not be used in any advertising or
11  * publicity relating to the software without the specific, prior written
12  * permission of Sam Leffler and Silicon Graphics.
13  *
14  * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
15  * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
16  * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
17  *
18  * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
19  * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
20  * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
21  * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
22  * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
23  * OF THIS SOFTWARE.
24  */
25 
26 /*
27  * TIFF Library
28  *
29  * Helper testing routines.
30  */
31 
32 #include "tiffio.h"
33 
34 int
CheckShortField(TIFF * tif,const ttag_t field,const uint16 value)35 CheckShortField(TIFF *tif, const ttag_t field, const uint16 value)
36 {
37 	uint16 tmp = 123;
38 
39 	if (!TIFFGetField(tif, field, &tmp)) {
40 		fprintf (stderr, "Problem fetching tag %lu.\n",
41 			 (unsigned long) field);
42 		return -1;
43 	}
44 	if (tmp != value) {
45 		fprintf (stderr, "Wrong SHORT value fetched for tag %lu.\n",
46 			 (unsigned long) field);
47 		return -1;
48 	}
49 
50 	return 0;
51 }
52 
53 int
CheckShortPairedField(TIFF * tif,const ttag_t field,const uint16 * values)54 CheckShortPairedField(TIFF *tif, const ttag_t field, const uint16 *values)
55 {
56 	uint16 tmp[2] = { 123, 456 };
57 
58 	if (!TIFFGetField(tif, field, tmp, tmp + 1)) {
59 		fprintf (stderr, "Problem fetching tag %lu.\n",
60 			 (unsigned long) field);
61 		return -1;
62 	}
63 	if (tmp[0] != values[0] || tmp[1] != values[1]) {
64 		fprintf (stderr, "Wrong SHORT PAIR fetched for tag %lu.\n",
65 			 (unsigned long) field);
66 		return -1;
67 	}
68 
69 	return 0;
70 }
71 
72 int
CheckLongField(TIFF * tif,const ttag_t field,const uint32 value)73 CheckLongField(TIFF *tif, const ttag_t field, const uint32 value)
74 {
75 	uint32 tmp = 123;
76 
77 	if (!TIFFGetField(tif, field, &tmp)) {
78 		fprintf (stderr, "Problem fetching tag %lu.\n",
79 			 (unsigned long) field);
80 		return -1;
81 	}
82 	if (tmp != value) {
83 		fprintf (stderr, "Wrong LONG value fetched for tag %lu.\n",
84 			 (unsigned long) field);
85 		return -1;
86 	}
87 
88 	return 0;
89 }
90 
91 
92