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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF. The full HDF copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at *
* http://hdfgroup.org/products/hdf4/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
#include "hdf.h"
#include "hfile.h"
#include "mfhdf.h"
#include "hdiff.h"
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose: hdiff main program
*
* Programmer: Pedro Vicente Nunes, pvn@ncsa.uiuc.edu
*
* Date: August 27, 2003
* Modifications:
* March 8, 2006. Added percent (relative) option
*
* Comments:
*
*-------------------------------------------------------------------------
*/
char *progname;
static void usage()
{
(void) fprintf(stdout,
"hdiff [-V] [-b] [-g] [-s] [-d] [-D] [-S] [-v var1[,...]] [-u var1[,...]] [-e count] [-t limit] [-p relative] file1 file2\n");
fprintf(stdout," [-V] Display version of the HDF4 library and exit\n");
fprintf(stdout," [-b] Verbose mode\n");
fprintf(stdout," [-g] Compare global attributes only\n");
fprintf(stdout," [-s] Compare SD local attributes only\n");
fprintf(stdout," [-d] Compare SD data only\n");
fprintf(stdout," [-D] Compare Vdata data only\n");
fprintf(stdout," [-S] Print statistics\n");
fprintf(stdout," [-v var1[,...]] Compare SD data on variable(s) <var1>,... only\n");
fprintf(stdout," [-u var1[,...]] Compare vdata on variable(s) <var1>,... only\n");
fprintf(stdout," [-e count] Print difference up to count number for each variable\n");
fprintf(stdout," [-t limit] Print difference when it is greater than limit\n");
fprintf(stdout," [-p relative] Print difference when it is greater than a relative limit\n");
fprintf(stdout," file1 File name of the first HDF file\n");
fprintf(stdout," file2 File name of the second HDF file\n");
fprintf(stdout,"\n");
fprintf(stdout,"The 'count' value must be a positive integer\n");
fprintf(stdout,"The 'limit' and 'relative' values must be positive numbers\n");
fprintf(stdout,"The -t compare criteria is |a - b| > limit\n");
fprintf(stdout,"The -p compare criteria is |(b-a)/a| > relative\n");
fprintf(stdout,"Return codes: 0 (no differences found), 1 (differences found)\n");
exit(EXIT_FAILURE);
}
int
main(int argc, char *argv[])
{
extern int optind;
extern int opterr;
extern char *optarg;
static diff_opt_t opt = /* defaults, overridden on command line */
{
0, /* verbose mode */
1, /* compare global attributes */
1, /* compare SD local attributes */
1, /* compare SD data */
1, /* compare GR data */
1, /* compare Vdata */
MAX_DIFF, /* no limit on the difference to be printed */
0.0, /* exact equal */
0, /* if -v specified, number of variables */
0, /* if -v specified, list of variable names */
0, /* if -u specified, number of variables */
0, /* if -u specified, list of variable names */
0, /* if -S specified print statistics */
0, /* -p err_rel */
0, /* error status */
};
int c;
uint32 nfound;
int ret;
opterr = 1;
progname = argv[0];
if (argc < 2)
usage();
while ((c = getopt(argc, argv, "VbgsdSDe:t:v:u:p:")) != EOF)
{
switch(c)
{
case 'V': /* display version of the library */
printf("%s, %s\n\n", argv[0], LIBVER_STRING );
exit(0);
case 'b': /* verbose mode */
opt.verbose =1;
break;
case 'g': /* global attributes only */
opt.ga = 1;
opt.sa = 0;
opt.sd = 0;
opt.vd = 0;
break;
case 's': /* SD local attributes only */
opt.ga = 0;
opt.sa = 1;
opt.sd = 0;
opt.vd = 0;
break;
case 'd': /* SD data only */
opt.ga = 0;
opt.sa = 0;
opt.sd = 1;
opt.vd = 0;
break;
case 'D': /* SD data only */
opt.ga = 0;
opt.sa = 0;
opt.sd = 0;
opt.vd = 1;
break;
case 'e': /* max no. of difference to be printed */
opt.max_err_cnt = atoi(optarg);
break;
case 't': /* range of difference to be printed */
opt.err_limit = (float32)atof(optarg);
break;
case 'v': /* variable names */
/* make list of names of variables specified */
make_vars (optarg, &opt, 1);
break;
case 'u': /* variable names */
/* make list of names of variables specified */
make_vars (optarg, &opt, 2);
break;
case 'S':
opt.statistics = 1;
break;
case 'p':
opt.err_rel = (float32)atof(optarg);
break;
}
}
argv = argv + optind;
nfound = hdiff(argv[0],argv[1],&opt);
/*-------------------------------------------------------------------------
* exit code
* >0 if differences, 0 if no differences, <0 if error
*-------------------------------------------------------------------------
*/
ret= (nfound==0 ? 0 : 1 );
if (opt.err_stat)
ret=-1;
return ret;
}
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