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-rw-r--r--tools/lib/h5diff_attr.c226
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diff --git a/tools/lib/h5diff_attr.c b/tools/lib/h5diff_attr.c
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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 "H5private.h"
+#include <assert.h>
+
+
+/*-------------------------------------------------------------------------
+ * Function: diff_attr
+ *
+ * Purpose: diff attributes located in LOC1_ID and LOC2_ID, which are
+ * obtained either from
+ * loc_id = H5Gopen( fid, name);
+ * loc_id = H5Dopen( fid, name);
+ * loc_id = H5Topen( fid, name);
+ *
+ * Return:
+ * 0 : no differences found
+ * 1 : differences found
+ * -1 : error ocurred
+ *
+ * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
+ *
+ * Date: November, 03, 2003
+ *
+ *-------------------------------------------------------------------------
+ */
+
+int diff_attr(hid_t loc1_id,
+ hid_t loc2_id,
+ diff_opt_t *options
+ )
+{
+ hid_t attr1_id; /* attr ID */
+ hid_t attr2_id; /* attr ID */
+ hid_t space1_id; /* space ID */
+ hid_t space2_id; /* space ID */
+ hid_t ftype1_id; /* file data type ID */
+ hid_t ftype2_id; /* file data type ID */
+ hid_t mtype1_id; /* memory data type ID */
+ hid_t mtype2_id; /* memory data type ID */
+ size_t msize1; /* memory size of memory type */
+ size_t msize2; /* memory size of memory type */
+ void *buf1=NULL; /* data buffer */
+ void *buf2=NULL; /* data buffer */
+ hsize_t nelmts1; /* number of elements in dataset */
+ int rank1; /* rank of dataset */
+ int rank2; /* rank of dataset */
+ hsize_t dims1[H5S_MAX_RANK];/* dimensions of dataset */
+ hsize_t dims2[H5S_MAX_RANK];/* dimensions of dataset */
+ char name1[255];
+ char name2[255];
+ int n1, n2, i, j, nfound;
+
+ if ((n1 = H5Aget_num_attrs(loc1_id))<0)
+ goto error;
+ if ((n2 = H5Aget_num_attrs(loc2_id))<0)
+ goto error;
+
+ if (n1!=n2)
+ return 1;
+
+ for ( i = 0; i < n1; i++)
+ {
+
+ /* reset buffers for every attribute, we might goto out and call free */
+ buf1=NULL;
+ buf2=NULL;
+
+/*-------------------------------------------------------------------------
+ * open
+ *-------------------------------------------------------------------------
+ */
+ /* open attribute */
+ if ((attr1_id = H5Aopen_idx(loc1_id, i))<0)
+ goto error;
+ if ((attr2_id = H5Aopen_idx(loc2_id, i))<0)
+ goto error;
+
+ /* get name */
+ if (H5Aget_name( attr1_id, 255, name1 )<0)
+ goto error;
+ if (H5Aget_name( attr1_id, 255, name2 )<0)
+ goto error;
+
+ if (HDstrcmp(name1,name2)!=0)
+ {
+ if (options->verbose)
+ {
+ printf("Different name for attributes: <%s> and <%s>\n", name1, name2);
+ }
+ H5Aclose(attr1_id);
+ H5Aclose(attr2_id);
+ return 1;
+ }
+
+ /* get the file datatype */
+ if ((ftype1_id = H5Aget_type( attr1_id )) < 0 )
+ goto error;
+ if ((ftype2_id = H5Aget_type( attr2_id )) < 0 )
+ goto error;
+
+ /* get the dataspace handle */
+ if ((space1_id = H5Aget_space( attr1_id )) < 0 )
+ goto error;
+ if ((space2_id = H5Aget_space( attr2_id )) < 0 )
+ goto error;
+
+ /* get dimensions */
+ if ( (rank1 = H5Sget_simple_extent_dims(space1_id, dims1, NULL)) < 0 )
+ goto error;
+ if ( (rank2 = H5Sget_simple_extent_dims(space2_id, dims2, NULL)) < 0 )
+ goto error;
+
+
+/*-------------------------------------------------------------------------
+ * check for comparable TYPE and SPACE
+ *-------------------------------------------------------------------------
+ */
+
+ if (diff_can_type(ftype1_id,
+ ftype2_id,
+ rank1,
+ rank2,
+ dims1,
+ dims2,
+ NULL,
+ NULL,
+ name1,
+ name2,
+ options)!=1)
+ goto error;
+
+/*-------------------------------------------------------------------------
+ * read to memory
+ *-------------------------------------------------------------------------
+ */
+ nelmts1=1;
+ for (j=0; j<rank1; j++)
+ nelmts1*=dims1[j];
+ if ((mtype1_id=H5Tget_native_type(ftype1_id,H5T_DIR_DEFAULT))<0)
+ goto error;
+ if ((mtype2_id=H5Tget_native_type(ftype2_id,H5T_DIR_DEFAULT))<0)
+ goto error;
+ if ((msize1=H5Tget_size(mtype1_id))<0)
+ goto error;
+ if ((msize2=H5Tget_size(mtype2_id))<0)
+ goto error;
+
+ assert(msize1==msize2);
+
+ buf1=(void *) HDmalloc((unsigned)(nelmts1*msize1));
+ buf2=(void *) HDmalloc((unsigned)(nelmts1*msize2));
+ if ( buf1==NULL || buf2==NULL){
+ printf( "cannot read into memory\n" );
+ goto error;
+ }
+ if (H5Aread(attr1_id,mtype1_id,buf1)<0)
+ goto error;
+ if (H5Aread(attr2_id,mtype2_id,buf2)<0)
+ goto error;
+
+
+/*-------------------------------------------------------------------------
+ * array compare
+ *-------------------------------------------------------------------------
+ */
+
+ if (options->verbose)
+ printf( "Comparing <%s> with <%s>\n", name1, name2 );
+ nfound = diff_array(buf1,buf2,nelmts1,rank1,dims1,options,name1,name2,mtype1_id);
+ if (options->verbose)
+ printf("%d attribute differences found\n", nfound );
+
+/*-------------------------------------------------------------------------
+ * close
+ *-------------------------------------------------------------------------
+ */
+
+ if (H5Tclose(ftype1_id)<0) goto error;
+ if (H5Tclose(ftype2_id)<0) goto error;
+ if (H5Tclose(mtype1_id)<0) goto error;
+ if (H5Tclose(mtype2_id)<0) goto error;
+ if (H5Sclose(space1_id)<0) goto error;
+ if (H5Sclose(space2_id)<0) goto error;
+ if (H5Aclose(attr1_id)<0) goto error;
+ if (H5Aclose(attr2_id)<0) goto error;
+ if (buf1)
+ HDfree(buf1);
+ if (buf2)
+ HDfree(buf2);
+ } /* i */
+
+ return 0;
+
+error:
+ H5E_BEGIN_TRY {
+ H5Tclose(ftype1_id);
+ H5Tclose(ftype2_id);
+ H5Tclose(mtype1_id);
+ H5Tclose(mtype2_id);
+ H5Sclose(space1_id);
+ H5Sclose(space2_id);
+ H5Aclose(attr1_id);
+ H5Aclose(attr2_id);
+ if (buf1)
+ HDfree(buf1);
+ if (buf2)
+ HDfree(buf2);
+ } H5E_END_TRY;
+ return -1;
+}
+
+
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