summaryrefslogtreecommitdiff
path: root/tiff/tools/tiffcmp.c
diff options
context:
space:
mode:
Diffstat (limited to 'tiff/tools/tiffcmp.c')
-rwxr-xr-xtiff/tools/tiffcmp.c657
1 files changed, 657 insertions, 0 deletions
diff --git a/tiff/tools/tiffcmp.c b/tiff/tools/tiffcmp.c
new file mode 100755
index 0000000..352fe12
--- /dev/null
+++ b/tiff/tools/tiffcmp.c
@@ -0,0 +1,657 @@
+/* $Id: tiffcmp.c,v 1.17 2014-12-21 18:52:42 erouault Exp $ */
+
+/*
+ * Copyright (c) 1988-1997 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.
+ */
+
+#include "tif_config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#ifdef NEED_LIBPORT
+# include "libport.h"
+#endif
+
+#include "tiffio.h"
+
+#ifndef HAVE_GETOPT
+extern int getopt(int, char**, char*);
+#endif
+
+static int stopondiff = 1;
+static int stoponfirsttag = 1;
+static uint16 bitspersample = 1;
+static uint16 samplesperpixel = 1;
+static uint16 sampleformat = SAMPLEFORMAT_UINT;
+static uint32 imagewidth;
+static uint32 imagelength;
+
+static void usage(void);
+static int tiffcmp(TIFF*, TIFF*);
+static int cmptags(TIFF*, TIFF*);
+static int ContigCompare(int, uint32, unsigned char*, unsigned char*, tsize_t);
+static int SeparateCompare(int, int, uint32, unsigned char*, unsigned char*);
+static void PrintIntDiff(uint32, int, uint32, uint32, uint32);
+static void PrintFloatDiff(uint32, int, uint32, double, double);
+
+static void leof(const char*, uint32, int);
+
+int
+main(int argc, char* argv[])
+{
+ TIFF *tif1, *tif2;
+ int c, dirnum;
+ extern int optind;
+ extern char* optarg;
+
+ while ((c = getopt(argc, argv, "ltz:")) != -1)
+ switch (c) {
+ case 'l':
+ stopondiff = 0;
+ break;
+ case 'z':
+ stopondiff = atoi(optarg);
+ break;
+ case 't':
+ stoponfirsttag = 0;
+ break;
+ case '?':
+ usage();
+ /*NOTREACHED*/
+ }
+ if (argc - optind < 2)
+ usage();
+ tif1 = TIFFOpen(argv[optind], "r");
+ if (tif1 == NULL)
+ return (-1);
+ tif2 = TIFFOpen(argv[optind+1], "r");
+ if (tif2 == NULL)
+ return (-2);
+ dirnum = 0;
+ while (tiffcmp(tif1, tif2)) {
+ if (!TIFFReadDirectory(tif1)) {
+ if (!TIFFReadDirectory(tif2))
+ break;
+ printf("No more directories for %s\n",
+ TIFFFileName(tif1));
+ return (1);
+ } else if (!TIFFReadDirectory(tif2)) {
+ printf("No more directories for %s\n",
+ TIFFFileName(tif2));
+ return (1);
+ }
+ printf("Directory %d:\n", ++dirnum);
+ }
+
+ TIFFClose(tif1);
+ TIFFClose(tif2);
+ return (0);
+}
+
+char* stuff[] = {
+"usage: tiffcmp [options] file1 file2",
+"where options are:",
+" -l list each byte of image data that differs between the files",
+" -z # list specified number of bytes that differs between the files",
+" -t ignore any differences in directory tags",
+NULL
+};
+
+static void
+usage(void)
+{
+ char buf[BUFSIZ];
+ int i;
+
+ setbuf(stderr, buf);
+ fprintf(stderr, "%s\n\n", TIFFGetVersion());
+ for (i = 0; stuff[i] != NULL; i++)
+ fprintf(stderr, "%s\n", stuff[i]);
+ exit(-1);
+}
+
+#define checkEOF(tif, row, sample) { \
+ leof(TIFFFileName(tif), row, sample); \
+ goto bad; \
+}
+
+static int CheckShortTag(TIFF*, TIFF*, int, char*);
+static int CheckShort2Tag(TIFF*, TIFF*, int, char*);
+static int CheckShortArrayTag(TIFF*, TIFF*, int, char*);
+static int CheckLongTag(TIFF*, TIFF*, int, char*);
+static int CheckFloatTag(TIFF*, TIFF*, int, char*);
+static int CheckStringTag(TIFF*, TIFF*, int, char*);
+
+static int
+tiffcmp(TIFF* tif1, TIFF* tif2)
+{
+ uint16 config1, config2;
+ tsize_t size1;
+ uint32 row;
+ tsample_t s;
+ unsigned char *buf1, *buf2;
+
+ if (!CheckShortTag(tif1, tif2, TIFFTAG_BITSPERSAMPLE, "BitsPerSample"))
+ return (0);
+ if (!CheckShortTag(tif1, tif2, TIFFTAG_SAMPLESPERPIXEL, "SamplesPerPixel"))
+ return (0);
+ if (!CheckLongTag(tif1, tif2, TIFFTAG_IMAGEWIDTH, "ImageWidth"))
+ return (0);
+ if (!cmptags(tif1, tif2))
+ return (1);
+ (void) TIFFGetField(tif1, TIFFTAG_BITSPERSAMPLE, &bitspersample);
+ (void) TIFFGetField(tif1, TIFFTAG_SAMPLESPERPIXEL, &samplesperpixel);
+ (void) TIFFGetField(tif1, TIFFTAG_SAMPLEFORMAT, &sampleformat);
+ (void) TIFFGetField(tif1, TIFFTAG_IMAGEWIDTH, &imagewidth);
+ (void) TIFFGetField(tif1, TIFFTAG_IMAGELENGTH, &imagelength);
+ (void) TIFFGetField(tif1, TIFFTAG_PLANARCONFIG, &config1);
+ (void) TIFFGetField(tif2, TIFFTAG_PLANARCONFIG, &config2);
+ buf1 = (unsigned char *)_TIFFmalloc(size1 = TIFFScanlineSize(tif1));
+ buf2 = (unsigned char *)_TIFFmalloc(TIFFScanlineSize(tif2));
+ if (buf1 == NULL || buf2 == NULL) {
+ fprintf(stderr, "No space for scanline buffers\n");
+ exit(-1);
+ }
+ if (config1 != config2 && bitspersample != 8 && samplesperpixel > 1) {
+ fprintf(stderr,
+"Can't handle different planar configuration w/ different bits/sample\n");
+ goto bad;
+ }
+#define pack(a,b) ((a)<<8)|(b)
+ switch (pack(config1, config2)) {
+ case pack(PLANARCONFIG_SEPARATE, PLANARCONFIG_CONTIG):
+ for (row = 0; row < imagelength; row++) {
+ if (TIFFReadScanline(tif2, buf2, row, 0) < 0)
+ checkEOF(tif2, row, -1)
+ for (s = 0; s < samplesperpixel; s++) {
+ if (TIFFReadScanline(tif1, buf1, row, s) < 0)
+ checkEOF(tif1, row, s)
+ if (SeparateCompare(1, s, row, buf2, buf1) < 0)
+ goto bad1;
+ }
+ }
+ break;
+ case pack(PLANARCONFIG_CONTIG, PLANARCONFIG_SEPARATE):
+ for (row = 0; row < imagelength; row++) {
+ if (TIFFReadScanline(tif1, buf1, row, 0) < 0)
+ checkEOF(tif1, row, -1)
+ for (s = 0; s < samplesperpixel; s++) {
+ if (TIFFReadScanline(tif2, buf2, row, s) < 0)
+ checkEOF(tif2, row, s)
+ if (SeparateCompare(0, s, row, buf1, buf2) < 0)
+ goto bad1;
+ }
+ }
+ break;
+ case pack(PLANARCONFIG_SEPARATE, PLANARCONFIG_SEPARATE):
+ for (s = 0; s < samplesperpixel; s++)
+ for (row = 0; row < imagelength; row++) {
+ if (TIFFReadScanline(tif1, buf1, row, s) < 0)
+ checkEOF(tif1, row, s)
+ if (TIFFReadScanline(tif2, buf2, row, s) < 0)
+ checkEOF(tif2, row, s)
+ if (ContigCompare(s, row, buf1, buf2, size1) < 0)
+ goto bad1;
+ }
+ break;
+ case pack(PLANARCONFIG_CONTIG, PLANARCONFIG_CONTIG):
+ for (row = 0; row < imagelength; row++) {
+ if (TIFFReadScanline(tif1, buf1, row, 0) < 0)
+ checkEOF(tif1, row, -1)
+ if (TIFFReadScanline(tif2, buf2, row, 0) < 0)
+ checkEOF(tif2, row, -1)
+ if (ContigCompare(-1, row, buf1, buf2, size1) < 0)
+ goto bad1;
+ }
+ break;
+ }
+ if (buf1) _TIFFfree(buf1);
+ if (buf2) _TIFFfree(buf2);
+ return (1);
+bad:
+ if (stopondiff)
+ exit(1);
+bad1:
+ if (buf1) _TIFFfree(buf1);
+ if (buf2) _TIFFfree(buf2);
+ return (0);
+}
+
+#define CmpShortField(tag, name) \
+ if (!CheckShortTag(tif1, tif2, tag, name) && stoponfirsttag) return (0)
+#define CmpShortField2(tag, name) \
+ if (!CheckShort2Tag(tif1, tif2, tag, name) && stoponfirsttag) return (0)
+#define CmpLongField(tag, name) \
+ if (!CheckLongTag(tif1, tif2, tag, name) && stoponfirsttag) return (0)
+#define CmpFloatField(tag, name) \
+ if (!CheckFloatTag(tif1, tif2, tag, name) && stoponfirsttag) return (0)
+#define CmpStringField(tag, name) \
+ if (!CheckStringTag(tif1, tif2, tag, name) && stoponfirsttag) return (0)
+#define CmpShortArrayField(tag, name) \
+ if (!CheckShortArrayTag(tif1, tif2, tag, name) && stoponfirsttag) return (0)
+
+static int
+cmptags(TIFF* tif1, TIFF* tif2)
+{
+ uint16 compression1, compression2;
+ CmpLongField(TIFFTAG_SUBFILETYPE, "SubFileType");
+ CmpLongField(TIFFTAG_IMAGEWIDTH, "ImageWidth");
+ CmpLongField(TIFFTAG_IMAGELENGTH, "ImageLength");
+ CmpShortField(TIFFTAG_BITSPERSAMPLE, "BitsPerSample");
+ CmpShortField(TIFFTAG_COMPRESSION, "Compression");
+ CmpShortField(TIFFTAG_PREDICTOR, "Predictor");
+ CmpShortField(TIFFTAG_PHOTOMETRIC, "PhotometricInterpretation");
+ CmpShortField(TIFFTAG_THRESHHOLDING, "Thresholding");
+ CmpShortField(TIFFTAG_FILLORDER, "FillOrder");
+ CmpShortField(TIFFTAG_ORIENTATION, "Orientation");
+ CmpShortField(TIFFTAG_SAMPLESPERPIXEL, "SamplesPerPixel");
+ CmpShortField(TIFFTAG_MINSAMPLEVALUE, "MinSampleValue");
+ CmpShortField(TIFFTAG_MAXSAMPLEVALUE, "MaxSampleValue");
+ CmpShortField(TIFFTAG_SAMPLEFORMAT, "SampleFormat");
+ CmpFloatField(TIFFTAG_XRESOLUTION, "XResolution");
+ CmpFloatField(TIFFTAG_YRESOLUTION, "YResolution");
+ if( TIFFGetField(tif1, TIFFTAG_COMPRESSION, &compression1) &&
+ compression1 == COMPRESSION_CCITTFAX3 &&
+ TIFFGetField(tif2, TIFFTAG_COMPRESSION, &compression2) &&
+ compression2 == COMPRESSION_CCITTFAX3 )
+ {
+ CmpLongField(TIFFTAG_GROUP3OPTIONS, "Group3Options");
+ }
+ if( TIFFGetField(tif1, TIFFTAG_COMPRESSION, &compression1) &&
+ compression1 == COMPRESSION_CCITTFAX4 &&
+ TIFFGetField(tif2, TIFFTAG_COMPRESSION, &compression2) &&
+ compression2 == COMPRESSION_CCITTFAX4 )
+ {
+ CmpLongField(TIFFTAG_GROUP4OPTIONS, "Group4Options");
+ }
+ CmpShortField(TIFFTAG_RESOLUTIONUNIT, "ResolutionUnit");
+ CmpShortField(TIFFTAG_PLANARCONFIG, "PlanarConfiguration");
+ CmpLongField(TIFFTAG_ROWSPERSTRIP, "RowsPerStrip");
+ CmpFloatField(TIFFTAG_XPOSITION, "XPosition");
+ CmpFloatField(TIFFTAG_YPOSITION, "YPosition");
+ CmpShortField(TIFFTAG_GRAYRESPONSEUNIT, "GrayResponseUnit");
+ CmpShortField(TIFFTAG_COLORRESPONSEUNIT, "ColorResponseUnit");
+#ifdef notdef
+ { uint16 *graycurve;
+ CmpField(TIFFTAG_GRAYRESPONSECURVE, graycurve);
+ }
+ { uint16 *red, *green, *blue;
+ CmpField3(TIFFTAG_COLORRESPONSECURVE, red, green, blue);
+ }
+ { uint16 *red, *green, *blue;
+ CmpField3(TIFFTAG_COLORMAP, red, green, blue);
+ }
+#endif
+ CmpShortField2(TIFFTAG_PAGENUMBER, "PageNumber");
+ CmpStringField(TIFFTAG_ARTIST, "Artist");
+ CmpStringField(TIFFTAG_IMAGEDESCRIPTION,"ImageDescription");
+ CmpStringField(TIFFTAG_MAKE, "Make");
+ CmpStringField(TIFFTAG_MODEL, "Model");
+ CmpStringField(TIFFTAG_SOFTWARE, "Software");
+ CmpStringField(TIFFTAG_DATETIME, "DateTime");
+ CmpStringField(TIFFTAG_HOSTCOMPUTER, "HostComputer");
+ CmpStringField(TIFFTAG_PAGENAME, "PageName");
+ CmpStringField(TIFFTAG_DOCUMENTNAME, "DocumentName");
+ CmpShortField(TIFFTAG_MATTEING, "Matteing");
+ CmpShortArrayField(TIFFTAG_EXTRASAMPLES,"ExtraSamples");
+ return (1);
+}
+
+static int
+ContigCompare(int sample, uint32 row,
+ unsigned char* p1, unsigned char* p2, tsize_t size)
+{
+ uint32 pix;
+ int ppb = 8 / bitspersample;
+ int samples_to_test;
+
+ if (memcmp(p1, p2, size) == 0)
+ return 0;
+
+ samples_to_test = (sample == -1) ? samplesperpixel : 1;
+
+ switch (bitspersample) {
+ case 1: case 2: case 4: case 8:
+ {
+ unsigned char *pix1 = p1, *pix2 = p2;
+
+ for (pix = 0; pix < imagewidth; pix += ppb) {
+ int s;
+
+ for(s = 0; s < samples_to_test; s++) {
+ if (*pix1 != *pix2) {
+ if( sample == -1 )
+ PrintIntDiff(row, s, pix, *pix1, *pix2);
+ else
+ PrintIntDiff(row, sample, pix, *pix1, *pix2);
+ }
+
+ pix1++;
+ pix2++;
+ }
+ }
+ break;
+ }
+ case 16:
+ {
+ uint16 *pix1 = (uint16 *)p1, *pix2 = (uint16 *)p2;
+
+ for (pix = 0; pix < imagewidth; pix++) {
+ int s;
+
+ for(s = 0; s < samples_to_test; s++) {
+ if (*pix1 != *pix2)
+ PrintIntDiff(row, sample, pix, *pix1, *pix2);
+
+ pix1++;
+ pix2++;
+ }
+ }
+ break;
+ }
+ case 32:
+ if (sampleformat == SAMPLEFORMAT_UINT
+ || sampleformat == SAMPLEFORMAT_INT) {
+ uint32 *pix1 = (uint32 *)p1, *pix2 = (uint32 *)p2;
+
+ for (pix = 0; pix < imagewidth; pix++) {
+ int s;
+
+ for(s = 0; s < samples_to_test; s++) {
+ if (*pix1 != *pix2) {
+ PrintIntDiff(row, sample, pix,
+ *pix1, *pix2);
+ }
+
+ pix1++;
+ pix2++;
+ }
+ }
+ } else if (sampleformat == SAMPLEFORMAT_IEEEFP) {
+ float *pix1 = (float *)p1, *pix2 = (float *)p2;
+
+ for (pix = 0; pix < imagewidth; pix++) {
+ int s;
+
+ for(s = 0; s < samples_to_test; s++) {
+ if (fabs(*pix1 - *pix2) < 0.000000000001) {
+ PrintFloatDiff(row, sample, pix,
+ *pix1, *pix2);
+ }
+
+ pix1++;
+ pix2++;
+ }
+ }
+ } else {
+ fprintf(stderr, "Sample format %d is not supported.\n",
+ sampleformat);
+ return -1;
+ }
+ break;
+ default:
+ fprintf(stderr, "Bit depth %d is not supported.\n", bitspersample);
+ return -1;
+ }
+
+ return 0;
+}
+
+static void
+PrintIntDiff(uint32 row, int sample, uint32 pix, uint32 w1, uint32 w2)
+{
+ if (sample < 0)
+ sample = 0;
+ switch (bitspersample) {
+ case 1:
+ case 2:
+ case 4:
+ {
+ int32 mask1, mask2, s;
+
+ mask1 = ~((-1) << bitspersample);
+ s = (8 - bitspersample);
+ mask2 = mask1 << s;
+ for (; mask2 && pix < imagewidth;
+ mask2 >>= bitspersample, s -= bitspersample, pix++) {
+ if ((w1 & mask2) ^ (w2 & mask2)) {
+ printf(
+ "Scanline %lu, pixel %lu, sample %d: %01x %01x\n",
+ (unsigned long) row,
+ (unsigned long) pix,
+ sample,
+ (unsigned int)((w1 >> s) & mask1),
+ (unsigned int)((w2 >> s) & mask1));
+ if (--stopondiff == 0)
+ exit(1);
+ }
+ }
+ break;
+ }
+ case 8:
+ printf("Scanline %lu, pixel %lu, sample %d: %02x %02x\n",
+ (unsigned long) row, (unsigned long) pix, sample,
+ (unsigned int) w1, (unsigned int) w2);
+ if (--stopondiff == 0)
+ exit(1);
+ break;
+ case 16:
+ printf("Scanline %lu, pixel %lu, sample %d: %04x %04x\n",
+ (unsigned long) row, (unsigned long) pix, sample,
+ (unsigned int) w1, (unsigned int) w2);
+ if (--stopondiff == 0)
+ exit(1);
+ break;
+ case 32:
+ printf("Scanline %lu, pixel %lu, sample %d: %08x %08x\n",
+ (unsigned long) row, (unsigned long) pix, sample,
+ (unsigned int) w1, (unsigned int) w2);
+ if (--stopondiff == 0)
+ exit(1);
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+PrintFloatDiff(uint32 row, int sample, uint32 pix, double w1, double w2)
+{
+ if (sample < 0)
+ sample = 0;
+ switch (bitspersample) {
+ case 32:
+ printf("Scanline %lu, pixel %lu, sample %d: %g %g\n",
+ (long) row, (long) pix, sample, w1, w2);
+ if (--stopondiff == 0)
+ exit(1);
+ break;
+ default:
+ break;
+ }
+}
+
+static int
+SeparateCompare(int reversed, int sample, uint32 row,
+ unsigned char* cp1, unsigned char* p2)
+{
+ uint32 npixels = imagewidth;
+ int pixel;
+
+ cp1 += sample;
+ for (pixel = 0; npixels-- > 0; pixel++, cp1 += samplesperpixel, p2++) {
+ if (*cp1 != *p2) {
+ printf("Scanline %lu, pixel %lu, sample %ld: ",
+ (long) row, (long) pixel, (long) sample);
+ if (reversed)
+ printf("%02x %02x\n", *p2, *cp1);
+ else
+ printf("%02x %02x\n", *cp1, *p2);
+ if (--stopondiff == 0)
+ exit(1);
+ }
+ }
+
+ return 0;
+}
+
+static int
+checkTag(TIFF* tif1, TIFF* tif2, int tag, char* name, void* p1, void* p2)
+{
+
+ if (TIFFGetField(tif1, tag, p1)) {
+ if (!TIFFGetField(tif2, tag, p2)) {
+ printf("%s tag appears only in %s\n",
+ name, TIFFFileName(tif1));
+ return (0);
+ }
+ return (1);
+ } else if (TIFFGetField(tif2, tag, p2)) {
+ printf("%s tag appears only in %s\n", name, TIFFFileName(tif2));
+ return (0);
+ }
+ return (-1);
+}
+
+#define CHECK(cmp, fmt) { \
+ switch (checkTag(tif1,tif2,tag,name,&v1,&v2)) { \
+ case 1: if (cmp) \
+ case -1: return (1); \
+ printf(fmt, name, v1, v2); \
+ } \
+ return (0); \
+}
+
+static int
+CheckShortTag(TIFF* tif1, TIFF* tif2, int tag, char* name)
+{
+ uint16 v1, v2;
+ CHECK(v1 == v2, "%s: %u %u\n");
+}
+
+static int
+CheckShort2Tag(TIFF* tif1, TIFF* tif2, int tag, char* name)
+{
+ uint16 v11, v12, v21, v22;
+
+ if (TIFFGetField(tif1, tag, &v11, &v12)) {
+ if (!TIFFGetField(tif2, tag, &v21, &v22)) {
+ printf("%s tag appears only in %s\n",
+ name, TIFFFileName(tif1));
+ return (0);
+ }
+ if (v11 == v21 && v12 == v22)
+ return (1);
+ printf("%s: <%u,%u> <%u,%u>\n", name, v11, v12, v21, v22);
+ } else if (TIFFGetField(tif2, tag, &v21, &v22))
+ printf("%s tag appears only in %s\n", name, TIFFFileName(tif2));
+ else
+ return (1);
+ return (0);
+}
+
+static int
+CheckShortArrayTag(TIFF* tif1, TIFF* tif2, int tag, char* name)
+{
+ uint16 n1, *a1;
+ uint16 n2, *a2;
+
+ if (TIFFGetField(tif1, tag, &n1, &a1)) {
+ if (!TIFFGetField(tif2, tag, &n2, &a2)) {
+ printf("%s tag appears only in %s\n",
+ name, TIFFFileName(tif1));
+ return (0);
+ }
+ if (n1 == n2) {
+ char* sep;
+ uint16 i;
+
+ if (memcmp(a1, a2, n1 * sizeof(uint16)) == 0)
+ return (1);
+ printf("%s: value mismatch, <%u:", name, n1);
+ sep = "";
+ for (i = 0; i < n1; i++)
+ printf("%s%u", sep, a1[i]), sep = ",";
+ printf("> and <%u: ", n2);
+ sep = "";
+ for (i = 0; i < n2; i++)
+ printf("%s%u", sep, a2[i]), sep = ",";
+ printf(">\n");
+ } else
+ printf("%s: %u items in %s, %u items in %s", name,
+ n1, TIFFFileName(tif1),
+ n2, TIFFFileName(tif2)
+ );
+ } else if (TIFFGetField(tif2, tag, &n2, &a2))
+ printf("%s tag appears only in %s\n", name, TIFFFileName(tif2));
+ else
+ return (1);
+ return (0);
+}
+
+static int
+CheckLongTag(TIFF* tif1, TIFF* tif2, int tag, char* name)
+{
+ uint32 v1, v2;
+ CHECK(v1 == v2, "%s: %u %u\n");
+}
+
+static int
+CheckFloatTag(TIFF* tif1, TIFF* tif2, int tag, char* name)
+{
+ float v1, v2;
+ CHECK(v1 == v2, "%s: %g %g\n");
+}
+
+static int
+CheckStringTag(TIFF* tif1, TIFF* tif2, int tag, char* name)
+{
+ char *v1, *v2;
+ CHECK(strcmp(v1, v2) == 0, "%s: \"%s\" \"%s\"\n");
+}
+
+static void
+leof(const char* name, uint32 row, int s)
+{
+
+ printf("%s: EOF at scanline %lu", name, (unsigned long)row);
+ if (s >= 0)
+ printf(", sample %d", s);
+ printf("\n");
+}
+
+/* vim: set ts=8 sts=8 sw=8 noet: */
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 8
+ * fill-column: 78
+ * End:
+ */