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hdf5/tools/lib/h5diff_attr.c

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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 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://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "h5tools.h"
#include "h5diff.h"
#include "H5private.h"
/*-------------------------------------------------------------------------
* Function: diff_attr
*
* Purpose: compare 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
*
* Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
*
* Date: November, 03, 2003
*
*-------------------------------------------------------------------------
*/
int diff_attr(hid_t loc1_id,
hid_t loc2_id,
const char *path1,
const char *path2,
diff_opt_t *options)
{
hid_t attr1_id=-1; /* attr ID */
hid_t attr2_id=-1; /* attr ID */
hid_t space1_id=-1; /* space ID */
hid_t space2_id=-1; /* space ID */
hid_t ftype1_id=-1; /* file data type ID */
hid_t ftype2_id=-1; /* file data type ID */
hid_t mtype1_id=-1; /* memory data type ID */
hid_t mtype2_id=-1; /* 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[512];
char name2[512];
char np1[512];
char np2[512];
int n1, n2, i, j;
int ret=0;
hsize_t nfound;
int cmp=1;
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, (unsigned)i))<0)
goto error;
if ((attr2_id = H5Aopen_idx(loc2_id, (unsigned)i))<0)
goto error;
/* get name */
if (H5Aget_name( attr1_id, 255, name1 )<0)
goto error;
if (H5Aget_name( attr2_id, 255, name2 )<0)
goto error;
if (HDstrcmp(name1,name2)!=0)
{
if (options->m_verbose)
{
parallel_print("Different name for attributes: <%s> and <%s>\n", name1, name2);
}
H5Aclose(attr1_id);
H5Aclose(attr2_id);
ret=1;
continue;
}
/* 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)
{
cmp=0;
options->not_cmp=1;
}
/*-------------------------------------------------------------------------
* only attempt to compare if possible
*-------------------------------------------------------------------------
*/
if (cmp)
{
/*-------------------------------------------------------------------------
* read to memory
*-------------------------------------------------------------------------
*/
nelmts1=1;
for (j=0; j<rank1; j++)
nelmts1*=dims1[j];
if ((mtype1_id=h5tools_get_native_type(ftype1_id))<0)
goto error;
if ((mtype2_id=h5tools_get_native_type(ftype2_id))<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){
parallel_print( "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;
/* format output string */
sprintf(np1,"%s of <%s>",name1,path1);
sprintf(np2,"%s of <%s>",name2,path2);
/*-------------------------------------------------------------------------
* array compare
*-------------------------------------------------------------------------
*/
/* always print name */
if (options->m_verbose)
{
do_print_objname ("attribute", np1, np2);
nfound = diff_array(buf1,
buf2,
nelmts1,
(hsize_t)0,
rank1,
dims1,
options,
np1,
np2,
mtype1_id,
attr1_id,
attr2_id);
print_found(nfound);
}
/* check first if we have differences */
else
{
if (options->m_quiet==0)
{
/* shut up temporarily */
options->m_quiet=1;
nfound = diff_array(buf1,
buf2,
nelmts1,
(hsize_t)0,
rank1,
dims1,
options,
np1,
np2,
mtype1_id,
attr1_id,
attr2_id);
/* print again */
options->m_quiet=0;
if (nfound)
{
do_print_objname ("attribute", np1, np2);
nfound = diff_array(buf1,
buf2,
nelmts1,
(hsize_t)0,
rank1,
dims1,
options,
np1,
np2,
mtype1_id,
attr1_id,
attr2_id);
print_found(nfound);
} /*if*/
} /*if*/
/* in quiet mode, just count differences */
else
{
nfound = diff_array(buf1,
buf2,
nelmts1,
(hsize_t)0,
rank1,
dims1,
options,
np1,
np2,
mtype1_id,
attr1_id,
attr2_id);
} /*else quiet */
} /*else verbose */
}/*cmp*/
/*-------------------------------------------------------------------------
* 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 ret;
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;
options->err_stat=1;
return 0;
}
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