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+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by the Board of Trustees of the University of Illinois. *
+ * All rights reserved. *
+ * *
+ * This file is part of HDF5. The full HDF5 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 the *
+ * root level of an installed copy of the electronic HDF5 document set and *
+ * is linked from the top-level documents page. It can also be found at *
+ * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
+ * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+#include "h5diff.h"
+#include <stdlib.h>
+#include <assert.h>
+
+/* Due to alignment issue in Alpha clusters, options must be declared here
+ * not as a local variable in main().
+ */
+options_t options = {0,0,0,0,0,0,0,1};
+
+static void usage(void);
+static int check_n_input( const char* );
+static int check_f_input( const char* );
+
+
+/*-------------------------------------------------------------------------
+ * Function: main
+ *
+ * Purpose: H5diff main program
+ *
+ * Return: An exit status of 0 means no differences were found, 1 means some
+ * differences were found.
+ *
+ * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
+ *
+ * Date: May 9, 2003
+ *
+ * Comments:
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+
+int main(int argc, const char *argv[])
+{
+ int i;
+ const char *s = NULL;
+ const char *fname1 = NULL;
+ const char *fname2 = NULL;
+ const char *objname1 = NULL;
+ const char *objname2 = NULL;
+ int nfound=0, ret;
+
+/*-------------------------------------------------------------------------
+ * print the command line options
+ *-------------------------------------------------------------------------
+ */
+
+ printf("$h5diff");
+ for (i=1; i<argc ; i++)
+ {
+ printf(" %s", argv[i] );
+ }
+ printf("\n");
+
+
+/*-------------------------------------------------------------------------
+ * initial check of command line options
+ *-------------------------------------------------------------------------
+ */
+
+ if ( argc==2 && (strcmp("-h",argv[1])==0) )
+ usage();
+
+ if ( argc<3 )
+ {
+ printf("Number of arguments is only %d\n", argc );
+ usage();
+ }
+
+/*-------------------------------------------------------------------------
+ * file names are first
+ *-------------------------------------------------------------------------
+ */
+
+ if ( argc>=3 )
+ {
+ fname1 = argv[1];
+ fname2 = argv[2];
+ }
+
+
+/*-------------------------------------------------------------------------
+ * parse command line options
+ *-------------------------------------------------------------------------
+ */
+ for (i=3; i<argc ; i++)
+ {
+ /* get the single-letter switches */
+ if ( '-'==argv[i][0] )
+ {
+ for (s=argv[i]+1; *s; s++)
+ {
+ switch (*s) {
+ default:
+ printf("-%s is an invalid option\n", s );
+ usage();
+ break;
+ case 'h':
+ usage();
+ case 'r':
+ options.r = 1;
+ break;
+ case 'd':
+ /* if it is not another option */
+ if ( i<argc-1 &&'-' != argv[i+1][0] )
+ {
+ options.d=1;
+ if ( check_f_input(argv[i+1])==-1)
+ {
+ printf("<-d %s> is not a valid option\n", argv[i+1] );
+ usage();
+ }
+ options.delta = atof(argv[i+1]);
+ }
+ else
+ {
+ printf("<-d %s> is not a valid option\n", argv[i+1] );
+ usage();
+ }
+ break;
+ case 'p':
+ if ( i<argc-1 &&'-' !=argv[i+1][0] )
+ {
+ options.p=1;
+ if ( check_f_input(argv[i+1])==-1)
+ {
+ printf("<-p %s> is not a valid option\n", argv[i+1] );
+ usage();
+ }
+ options.percent = atof(argv[i+1]);
+ }
+ break;
+ case 'n':
+ if ( i<argc-1 && '-' !=argv[i+1][0] )
+ {
+ options.n=1;
+ if ( check_n_input(argv[i+1])==-1)
+ {
+ printf("<-n %s> is not a valid option\n", argv[i+1] );
+ usage();
+ }
+ options.count = atoi(argv[i+1]);
+ }
+ break;
+ } /*switch*/
+ } /*for*/
+ } /*if*/
+
+ else /* not single-letter switches */
+
+ {
+ /* check if it is not a -d, -p parameter */
+ if ( '-' !=argv[i-1][0] )
+ {
+ if ( objname1==NULL )
+ objname1 = argv[i];
+ if ( objname2==NULL )
+ {
+ /* check if we have a second object name */
+ if ( i+1<argc && '-' !=argv[i+1][0] )
+ /* yes */
+ objname2 = argv[i+1];
+ else
+ /* no */
+ objname2 = objname1;
+ }
+ }
+ }
+
+ }/*for*/
+
+
+ nfound = h5diff(fname1,fname2,objname1,objname2,options);
+ printf("\n");
+ ret= (nfound==0 ? 0 : 1 );
+ return ret;
+
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function: check_n_input
+ *
+ * Purpose: check for valid input
+ *
+ * Return: 1 for ok, -1 for fail
+ *
+ * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
+ *
+ * Date: May 9, 2003
+ *
+ * Comments:
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+static
+int check_n_input( const char *str )
+{
+ unsigned i;
+ char c;
+
+ for ( i = 0; i < strlen(str); i++)
+ {
+ c = str[i];
+ if ( i==0 )
+ {
+ if ( c < 49 || c > 57 ) /* ascii values between 1 and 9 */
+ return -1;
+ }
+ else
+ if ( c < 48 || c > 57 ) /* 0 also */
+ return -1;
+ }
+ return 1;
+}
+
+/*-------------------------------------------------------------------------
+ * Function: check_f_input
+ *
+ * Purpose: check for valid input
+ *
+ * Return: 1 for ok, -1 for fail
+ *
+ * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
+ *
+ * Date: May 9, 2003
+ *
+ * Comments:
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+static
+int check_f_input( const char *str )
+{
+ unsigned i;
+ char c;
+
+ /* '0' values not allowed */
+ if ( strlen(str)==1 && str[0]=='0' )
+ return -1;
+
+ for ( i = 0; i < strlen(str); i++)
+ {
+ c = str[i];
+ if ( c < 48 || c > 57 ) /* ascii values between 0 and 9 */
+ if ( c!= 46) /* . */
+ return -1;
+ }
+ return 1;
+}
+
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: usage
+ *
+ * Purpose: print a usage message
+ *
+ * Return: void
+ *
+ * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
+ *
+ * Date: May 9, 2003
+ *
+ *-------------------------------------------------------------------------
+ */
+static
+void usage(void)
+{
+ printf("Usage: h5diff file1 file2 [OPTIONS] [obj1[obj2]] \n");
+ printf("\n");
+ printf("file1 File name of the first HDF5 file\n");
+ printf("file2 File name of the second HDF5 file\n");
+ printf("[obj1] Name of an HDF5 object, in absolute path\n");
+ printf("[obj2] Name of an HDF5 object, in absolute path\n");
+ printf("[OPTIONS] are:\n");
+ printf("[-h] Print out this information\n");
+ printf("[-r] Print only what objects differ, not the differences\n");
+ printf("[-n count] Print difference up to count number\n");
+ printf("[-d delta] Print difference when it is greater than limit delta\n");
+ printf("[-p relative] Print difference when it is greater than a relative limit\n");
+ printf("\n");
+ printf("Items in [] are optional\n");
+ printf("[obj1] and [obj2] are HDF5 objects (datasets, groups or datatypes)\n");
+ printf("The 'count' value must be a positive integer\n");
+ printf("The 'delta' and 'relative' values must be positive numbers\n");
+ printf("The -d compare criteria is |a - b| > delta\n");
+ printf("The -p compare criteria is |1 - b/a| > relative\n");
+ printf("\n");
+ printf("Examples:\n");
+ printf("\n");
+ printf("1) h5diff file1 file2 /a/b /a/c\n");
+ printf("\n");
+ printf(" Compares object '/a/b' in file1 with '/a/c' in file2\n");
+ printf("\n");
+ printf("2) h5diff file1 file2 /a/b\n");
+ printf("\n");
+ printf(" Compares object '/a/b' in both files\n");
+ printf("\n");
+ printf("3) h5diff file1 file2\n");
+ printf("\n");
+ printf(" Compares all objects in both files\n");
+ printf("\n");
+ exit(0);
+}
+
+
+
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