/******************************************************************************

  Description: This file contains routines to translate H5 files to H4 files.
 
  Author:  Paul Harten for the University of Illinois, NCSA
 
  Creation Date:  04 October 1998

  History:


*****************************************************************************/

#include <stdio.h>
#include <sys/fcntl.h>
#include <sys/errno.h>
#include <string.h>

#include <h5toh4.h>

extern int PrintOptions_h5toh4(void);
extern char *BuildFilename(char *h5_filename, char *h4_extension);
extern int test_file(char *filename, int oflag, mode_t mode);
extern int test_dir(char *);
extern int h5toh4(char *, char *);

extern herr_t convert_group(hid_t, char *, op_data_t *);
extern herr_t convert_dataset(hid_t, char *, op_data_t *);
extern herr_t convert_all(hid_t, char *, op_data_t *);
extern herr_t convert_attr(hid_t, char *, op_data_t *);
extern int32 h5type_to_h4type(hid_t);
extern hid_t h4type_to_memtype(int32);

extern void init_table(void);
extern void free_table(void);
extern void dump_tables(void);
extern herr_t find_shared_objs(hid_t , char *, void *);

extern int optind;
extern void perror(const char *);
extern int errno;

typedef herr_t (*H5G_operator_t)(hid_t, const char*, void*);


/*****************************************************************************

  Routine: main()
 
  Description: This routine check out arguments sent, makes sure everything is
               ok, chooses between the acceptable argument formats and then
               calls h5toh4().
           
  Input: arg	- the number of arguments from the call + 1;
         argv	- a pointer to an array of strings which are the arguments.
                  This includes the routine name as the first string.
 
  Output: function return	- error status

*****************************************************************************/

int
main(int argc, char **argv)
{
	char **fargv;
	char *h5_filename, *h4_filename;
    char *h4_extension = "hdf";
	int status = 0;
	int status2 = 0;

	fargv = argv + optind;
	argc -= optind;

	if (argc == 0) {
		fprintf(stderr,"\nError: Invalid Arguments\n");
		PrintOptions_h5toh4();
		return -1;
	}

	while ( *fargv != NULL ) {
		if ( strcmp(*fargv,"-h") == 0 ) {
			PrintOptions_h5toh4();
			return -1;
		}
		fargv++;
	}

	fargv = argv + optind;

	if (argc == 2 && strcmp(*fargv,"-m") == 0) {
		fargv++;
		argc--;
	}

	switch(argc) {

	case 0:

		PrintOptions_h5toh4();
		break;

	case 1:	/* h5toh4 file1 */
		h5_filename = *fargv;

		if (strcmp(h5_filename,"-m") == 0) {
			fprintf(stderr,"\nError: Invalid Arguments\n");
			PrintOptions_h5toh4();
			status = -1;
			break;
		}
		if (test_file(h5_filename,O_EXCL,292) != 0 ) { /* 292 Decimal - 0444 Octal, a+r */
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "main", __FILE__, __LINE__);
			status = -1;
			break;
		}
		if (test_dir(h5_filename) != 0 ) {
			fprintf(stderr,"%s: Is a directory\n",h5_filename);
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "main", __FILE__, __LINE__);
			status = -1;
			break;
		}

		h4_filename = BuildFilename(h5_filename,h4_extension);
		if (h4_filename == NULL) {
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "main", __FILE__, __LINE__);
			status = -1;
			break;
		}

		if (test_file(h4_filename,O_CREAT|O_EXCL,436) != 0) { /* 436 Decimal - 0664 Octal, ug+rw,o+r */
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "main", __FILE__, __LINE__);
			status = -1;
			break;
		}

		status = h5toh4(h5_filename, h4_filename);
		if ( status != 0 ) {
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "main", __FILE__, __LINE__);
		}
		HDfree(h4_filename);

		break;

	case 2:	/* h5toh4 file_in file_out */
		h5_filename = *fargv++;
		h4_filename = *fargv++;

		if (strcmp(h4_filename,"-m") == 0) {
			fprintf(stderr,"\nError: Invalid Arguments\n");
			PrintOptions_h5toh4();
			status = -1;
			break;
		}
		if (test_file(h5_filename,O_EXCL,292) != 0 ) { /* 292 Decimal - 0444 Octal, a+r */
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "main", __FILE__, __LINE__);
			status = -1;
			break;
		}
		if (test_dir(h5_filename) != 0 ) {
			fprintf(stderr,"%s: Is a directory\n",h5_filename);
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "main", __FILE__, __LINE__);
			status = -1;
			break;
		}
		if (test_file(h4_filename,O_CREAT|O_RDWR,436) != 0) { /* 436 Decimal - 0664 Octal, ug+rw,o+r */
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "main", __FILE__, __LINE__);
			status = -1;
			break;
		}
		if (test_dir(h4_filename) != 0 ) {
			fprintf(stderr,"%s: Is a directory\n",h4_filename);
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "main", __FILE__, __LINE__);
			status = -1;
			break;
		}

		status = h5toh4(h5_filename, h4_filename);
		if ( status != 0 ) {
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "main", __FILE__, __LINE__);
		}
		break;

	default:	/* h5toh4 -m file1 file2 file3 ... */
		if (strcmp(*fargv++,"-m") != 0) {
			fprintf(stderr,"\nError: Invalid Arguments\n");
			PrintOptions_h5toh4();
			status = -1;
			break;
		}

		while ( (h5_filename = *fargv++) != NULL ) {

			if (strcmp(h5_filename,"-m") == 0) {
				fprintf(stderr,"\nError: Invalid Arguments\n");
				PrintOptions_h5toh4();
				status2 = -1;
				break;
			}
			if (test_file(h5_filename,O_EXCL,292) != 0 ) { /* 292 Decimal - 0444 Octal, a+r */
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "main", __FILE__, __LINE__);
				status2 = -1;
				continue;
			}
			if (test_dir(h5_filename) != 0 ) {
				fprintf(stderr,"%s: Is a directory\n",h5_filename);
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "main", __FILE__, __LINE__);
				status2 = -1;
				continue;
			}

			h4_filename = BuildFilename(h5_filename,h4_extension);
			if (h4_filename == NULL) {
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "main", __FILE__, __LINE__);
				status2 = -1;
				continue;
			}

			if (test_file(h4_filename,O_CREAT|O_EXCL,436) != 0) { /* 436 Decimal - 0664 Octal, ug+rw,o+r */
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "main", __FILE__, __LINE__);
				status2 = -1;
				continue;
			}

			status = h5toh4(h5_filename, h4_filename);
			if ( status != 0 ) {
				fprintf(stderr,"Error: Problem with %s\n",h5_filename);
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "main", __FILE__, __LINE__);
				status2 = status;
			}
			HDfree(h4_filename);

		}
		status = status2;
		break;
	}

	return status;

}


/*****************************************************************************

  Routine: PrintOptions_h5toh4()
 
  Description: This routine prints the acceptable argument formats out to stderr.
           
  Input: None
 
  Output: output to stderr

*****************************************************************************/

int PrintOptions_h5toh4()
{
		fprintf(stderr,"\nh5toh4 -h (gives this print-out)\n");
		fprintf(stderr,"h5toh4 file.h5 file.hdf\n");
		fprintf(stderr,"h5toh4 file.h5\n");
		fprintf(stderr,"h5toh4 -m file1.h5 file2.h5 ...\n\n");
		return (SUCCEED);
}


/*****************************************************************************

  Routine: h5toh4()
 
  Description: This routine translates information from a HDF5 file into a
               HDF4 file.
           
  Input: h5_filename	- filename of HDF5 file,
         h4_filename	- filename of HDF4 file
 
  Output: function return	- error status

*****************************************************************************/

int h5toh4(h5_filename, h4_filename)
	char *h5_filename;
	char *h4_filename;
{

	hid_t fid, gid;
	hid_t plist=H5P_DEFAULT;
	int status = 0;
    int32 hfile_id;
    int32 sd_id;
	op_data_t op_data;
	void *edata;
	hid_t (*func)(void*);

    /* open hdf5 file */
	if ((fid = H5Fopen (h5_filename, H5F_ACC_RDONLY, plist)) <= 0) {
		fprintf(stderr,"Error: Unable to open file %s\n",h5_filename);
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "h5toh4", __FILE__, __LINE__);
		return (fid);
	}

    /* open root group */
	if ((gid = H5Gopen (fid, "/")) <= 0 ) {
		fprintf(stderr,"Error: Unable to open root group\n");
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "h5toh4", __FILE__, __LINE__);
		return (gid);
	} else {

		/* open hdf4 file */
		if ((hfile_id = Hopen(h4_filename, DFACC_CREATE, 0)) <= 0) {
			fprintf(stderr,"Error: Unable to open file %s\n", h4_filename);
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "h5toh4", __FILE__, __LINE__);
			return (hfile_id);
		} else {

			if ((sd_id = SDstart(h4_filename, DFACC_RDWR)) <= 0) {
				fprintf(stderr,"Error: Unable to open file %s, using SDstart\n", h4_filename);
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "h5toh4", __FILE__, __LINE__);
				return (sd_id);
			} else {

				/* Initialize Vgroup interface */
				if ((status = Vstart(hfile_id)) != SUCCEED) {
					fprintf(stderr,"Error: Unable to initialize Vgroup interface\n");
					DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "h5toh4", __FILE__, __LINE__);
					status = FAIL;
				}

    			/* allocate and initialize internal data structure */
    			init_table();

				/* Disable error reporting */
				H5Eget_auto (&func, &edata);
				H5Eset_auto (NULL, NULL);

    			/* find all shared objects */
				if ((status = H5Giterate(fid, "/", NULL, (H5G_operator_t)find_shared_objs, NULL)) != SUCCEED ) {
					fprintf(stderr,"Error: Unable to iterate over all of the groups\n");
					DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "h5toh4", __FILE__, __LINE__);
				}

				/* Enable error reporting */
				H5Eset_auto (func, edata);

#ifdef H5DUMP_DEBUG
        		dump_tables();
#endif

    			if (status != SUCCEED) {
        			fprintf(stderr,"Error: internal error! \n");
        			goto done;
    			}

				op_data.hfile_id = hfile_id;
				op_data.sd_id = sd_id;
				op_data.vgroup_id = 0;
 	
 				/* start at root group */
				if (( status = convert_group (gid, "/", &op_data)) != SUCCEED) {
					fprintf(stderr,"Error: convert_group did not work for %s\n","/");
					DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "h5toh4", __FILE__, __LINE__);
					status = FAIL;
				}

	  			/* Terminate access to Vgroup interface */
				if ((status = Vend(hfile_id)) != SUCCEED) {
					fprintf(stderr,"Error: Unable to terminate Vgroup interface\n");
	 		    	DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "h5toh4", __FILE__, __LINE__);
					status = FAIL;
				}
			}

			/* close hdf4 SDS */
			if ((status = SDend(sd_id)) != SUCCEED) {
				fprintf(stderr,"Error: Unable to close file %s, from SDstart\n", h4_filename);
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "h5toh4", __FILE__, __LINE__);
				status = FAIL;
			}

		}

		/* close hdf4 file */
		if ((status = Hclose(hfile_id)) != SUCCEED) {
			fprintf(stderr,"Error: Unable to close file %s\n", h4_filename);
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "h5toh4", __FILE__, __LINE__);
			status = FAIL;
		}

	}

	if ((status = H5Gclose (gid)) != SUCCEED) {
		fprintf(stderr,"Error: Unable to close root group\n");
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "h5toh4", __FILE__, __LINE__);
		status = FAIL;
	}

	if ((status = H5Fclose (fid)) != SUCCEED) {
		fprintf(stderr,"Error: Unable to close file %s\n", h5_filename);
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "h5toh4", __FILE__, __LINE__);
		status = FAIL;
	}

done:

	free_table();

	return status;

}

/*-------------------------------------------------------------------------
 * Function:    convert_group
 *
 * Purpose:     Dump everything within the specified group
 *
 * Return:      void
 *
 * Programmer:  Paul Harten
 *
 * Modifications: 
 *
 *-----------------------------------------------------------------------*/
herr_t
convert_group (hid_t gid, char *name, op_data_t *op_data) {
H5G_stat_t statbuf;

	int32 hfile_id;
	int32 vgroup_id;
	int32 obj_idx;
	int32 status;

	hfile_id = op_data->hfile_id;

	if ((vgroup_id = Vattach(hfile_id, -1, "w")) <= 0 ) {
		fprintf(stderr,"Error: Unable to create new vgroup\n");
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_group", __FILE__, __LINE__);
		return(vgroup_id);
	}

	if ((status = Vsetname(vgroup_id, name)) != SUCCEED ) {
		fprintf(stderr,"Error: Unable to set name on new vgroup\n");
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_group", __FILE__, __LINE__);
		return(status);
	}

	if ((status = Vsetclass(vgroup_id, "HDF5")) != SUCCEED ) {
		fprintf(stderr,"Error: Unable to set class on new vgroup\n");
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_group", __FILE__, __LINE__);
		return(status);
	}

	if (op_data->vgroup_id == 0) {
		obj_idx = -1; /* Indexes assigned below start from 0 */
	} else {
		if ((obj_idx = Vinsert(op_data->vgroup_id, vgroup_id)) < 0) {
			fprintf(stderr,"Error: Index %d of the new vgroup is illegal\n",(int)obj_idx);
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_group", __FILE__, __LINE__);
			return(obj_idx);
		}
	}
	op_data->vgroup_id = vgroup_id;
    op_data->sds_id = 0;
    op_data->vdata_id = 0;
	op_data->obj_idx = obj_idx;
		

	/* hard link */
    if ((status = H5Gget_objinfo(gid, ".", TRUE, &statbuf)) != SUCCEED ) {
		fprintf(stderr,"Error: H5Gget_objinfo() did not work\n");
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_group", __FILE__, __LINE__);
		return (status);
    }

	if ((status = H5Aiterate(gid, NULL, (H5G_operator_t)convert_attr, op_data)) != SUCCEED ) {
		fprintf(stderr,"Error: Unable to iterate over all of the attributes\n");
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_group", __FILE__, __LINE__);
		status = FAIL;
	}

	if ((status = H5Giterate(gid, ".", NULL, (H5G_operator_t)convert_all, op_data)) != SUCCEED ) {
		fprintf(stderr,"Error: Unable to iterate over all of the groups\n");
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_group", __FILE__, __LINE__);
		status = FAIL;
	}

	if ((status = Vdetach(vgroup_id)) != SUCCEED ) {
		fprintf(stderr,"Error: Unable to detach the new Vgroup\n");
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_group", __FILE__, __LINE__);
		status = FAIL;
	}

	return status;

}
 

/*-------------------------------------------------------------------------
 * Function:    convert_dataset
 *
 * Purpose:     Dump the specified data set
 *
 * Return:      void
 *
 * Programmer:  Paul Harten
 *
 * Modifications:
 *
 *-----------------------------------------------------------------------*/
herr_t
convert_dataset (hid_t did, char *name, op_data_t *op_data) {
hid_t  type, space, class, mem_type, type2;
H5G_stat_t statbuf;
size_t typesize;
int i, idx;
int32 dim_sizes[32], start[32], edges[32];
int ndims;
int ndimf;
hsize_t dims[32], maxdims[32];
size_t dimf[4];
int permf[4];
int32 hfile_id;
int32 sd_id;
int32 sds_id;
int32 vdata_id;
int32 n_values;
int32 status;
int32 h4_type;
int32 recsize;
int32 n_records, num_of_recs, record_pos;
intn nmembers;
char *buffer; /* read/write buffer*/
char fieldname_list[4096] = "\0";
char *fieldname;
hid_t fieldtype;
int32 order;
off_t offset;

	sd_id = op_data->sd_id;

    /* hard link */
    if ((status = H5Gget_objinfo(did, ".", TRUE, &statbuf)) != SUCCEED ) {
		fprintf(stderr,"Error: H5Gget_objinfo() did not work\n");
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
		return (status);
    }

	if ((type = H5Dget_type(did)) <= 0) {
		fprintf(stderr, "Error: H5Dget_type() didn't return appropriate value.\n");
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
		status = FAIL;
        return status;
	}

	if ((space = H5Dget_space(did)) <= 0) {
		fprintf(stderr, "Error: H5Dget_space() didn't return appropriate value.\n");
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
		status = FAIL;
        return status;
	}

	if ((n_values = H5Sget_simple_extent_npoints(space)) <= 0) {
		fprintf(stderr, "Error: H5Sget_simple_extent_npoints() returned inappropriate value.\n");
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
		status = FAIL;
        return status;
	}

	if ((ndims = H5Sget_simple_extent_dims(space,dims,maxdims)) < 0 ) {
		fprintf(stderr, "Error: Problems getting ndims, dims, and maxdims of dataset\n");
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
		status = ndims;
        return status;
    }

    if ((class = H5Tget_class(type)) < 0 ) {
        fprintf(stderr,"Error: problem with getting class\n");
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
		status = class;
        return status;
    }

    switch (class) {
    case H5T_INTEGER:
    case H5T_FLOAT:
		if ((h4_type = h5type_to_h4type(type)) == FAIL ) {
			fprintf(stderr, "Error: Problems translating h5 type to h4 type\n");
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
			status = FAIL;
			break;
		}
		if ((mem_type = h4type_to_memtype(h4_type)) == FAIL ) {
			fprintf(stderr, "Error: Problems translating h4 type to mem type\n");
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
			status = FAIL;
        	return status;
		}
		if ((typesize = H5Tget_size(mem_type)) <= 0) {
			fprintf(stderr, "Error: H5Tget_size() didn't return appropriate value.\n");
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
			status = FAIL;
			break;
		}
    	if ((buffer = HDmalloc(n_values*typesize)) == NULL) {
			fprintf(stderr, "Error: Problems with HDmalloc of memory space\n");
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
			status = FAIL;
			break;
		}
        if ((status = H5Dread(did, mem_type, space, space, H5P_DEFAULT, buffer)) != SUCCEED) {
			fprintf(stderr, "Error: Problems with H5Aread\n");
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
			status = FAIL;
			break;
		}
		for (i=0;i<ndims;i++) {
			if (i==0) {
				dim_sizes[i] = (int32)maxdims[i];
			} else if (maxdims[i] == 0) {
				dim_sizes[i] = (int32)dims[i];
			} else {
				dim_sizes[i] = (int32)maxdims[i];
			}
			start[i] = 0;
			edges[i] = (int32)dims[i];
		}
		if ((sds_id = SDcreate(sd_id, name, h4_type, ndims, dim_sizes)) <= 0 ) {
			fprintf(stderr, "Error: Unable to create SDS %s.\n",name);
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
			status = FAIL;
			break;
		}
		op_data->sds_id = sds_id;
		if ((status = SDwritedata(sds_id, start, NULL, edges, buffer)) != SUCCEED ) {
			fprintf(stderr, "Error: Unable to write SDS %s.\n",name);
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
		}
    	if ((status = H5Aiterate(did, NULL, (H5G_operator_t)convert_attr, op_data)) < 0 ) {
        	fprintf(stderr,"Error: iterate over attributes\n");
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
    	}
		if ((status = SDendaccess(sds_id)) != SUCCEED ) {
			fprintf(stderr, "Error: Unable to end access to SDS %s.\n",name);
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
		}
        break;
    case H5T_TIME:
        fprintf(stderr,"Error: H5T_TIME not yet implemented.\n");
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
        break;
    case H5T_STRING:
        fprintf(stderr,"Error: H5T_STRING not yet implemented.\n");
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
        break;
    case H5T_BITFIELD:
        fprintf(stderr,"Error: H5T_BITFIELD not yet implemented.\n");
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
        break;
    case H5T_OPAQUE:
        fprintf(stderr,"Error: H5T_OPAQUE not yet implemented.\n");
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
        break;
    case H5T_COMPOUND:
		if (ndims==1) {
			if ((nmembers = H5Tget_nmembers(type)) <= 0 ) {
				fprintf(stderr, "Error: Unable to get information about compound datatype %d\n",nmembers);
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
				break;
			}
			for (idx=0;idx<nmembers;idx++) {
				if ((ndimf = H5Tget_member_dims(type, idx, dimf, permf)) > 1 ) {
        			fprintf(stdout,"Warning: H5 datasets of H5T_COMPOUND type with ndims = 1, whose members\n");
        			fprintf(stdout,"Warning: of the H5T_COMPOUND type have rank > 1 are not converted.\n");
					break;
				} 
			}
			hfile_id = op_data->hfile_id;
			if ((vdata_id = VSattach(hfile_id, -1, "w")) <= 0 ) {
				fprintf(stderr, "Error: Unable to create vdata %s.\n",name);
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
				status = FAIL;
				break;
			}
			op_data->vdata_id = vdata_id;
			if ((status = VSsetname(vdata_id, name)) != SUCCEED ) {
				fprintf(stderr, "Error: Unable to set vdata name %s.\n",name);
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
				break;
			}
			if ((status = VSsetclass(vdata_id, "HDF5")) != SUCCEED ) {
				fprintf(stderr, "Error: Unable to set class on vdata %s\n", name);
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
				break;
			}
			for (idx=0;idx<nmembers;idx++) {
				if ((ndimf = H5Tget_member_dims(type, idx, dimf, NULL)) < 0 ) {
					fprintf(stderr, "Error: field rank for H5T_COMPOUND type %d, idx %d < 0\n", type, idx);
					DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
					break;
				}
				if ((fieldname = H5Tget_member_name(type, idx)) == NULL ) {
					fprintf(stderr, "Error: Unable to get fieldname for compound type %d, idx %d\n", type, idx);
					DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
					break;
				}
				if ((fieldtype = H5Tget_member_type(type, idx)) < 0 ) {
        			fprintf(stderr,"Error: H5 datasets of H5T_COMPOUND type with fieldtype %d, idx %d.\n",fieldtype,idx);
					DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
					break;
				}
				if ((h4_type = h5type_to_h4type(fieldtype)) < 0 ) {
					fprintf(stderr, "Error: Problems translating h5 type to h4 type\n");
					DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
					break;
				}
/*
				if ((mem_type = h4type_to_memtype(h4_type)) == FAIL ) {
					fprintf(stderr, "Error: Problems translating h4 type to mem type\n");
					DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
        				return FAIL;
				}
*/
				if (ndimf == 0 ) {
					order = 1;
				} else {
					order = dimf[0];
				}
				if ((status = VSfdefine(vdata_id, fieldname, h4_type, order)) != SUCCEED ) {
					fprintf(stderr, "Error: Unable to set field %d\n", idx);
					DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
					break;
				}
				strcat(fieldname_list,fieldname);
				if (idx<nmembers-1) {
					strcat(fieldname_list,", ");
				}

				HDfree(fieldname);
			}
			if ((status = VSsetfields(vdata_id, fieldname_list)) != SUCCEED ) {
				fprintf(stderr, "Error: Unable to set fieldname list  %s\n", name);
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
				break;
			}
			if ((status = VSsetinterlace(vdata_id, FULL_INTERLACE)) != SUCCEED ) {
				fprintf(stderr, "Error: Unable to set FULL_INTERLACE mode, status %d\n", (int)status);
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
				break;
			}

			if ((type2 = H5Tcopy(type)) <= 0  ) {
				fprintf(stderr, "Error: H5Tcopy did not SUCCEED, type %d\n", type2);
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
				break;
			}
			if ((status = H5Tpack(type2)) != SUCCEED ) {
				fprintf(stderr, "Error: H5Tpack did not SUCCEED, status %d\n", (int)status);
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
				break;
			}
			if ((recsize = H5Tget_size(type2)) <= 0 ) {
				fprintf(stderr, "Error: Unable to get record size %d\n", (int)recsize);
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
				break;
			}
			n_records = (int32)dims[0];
    		if ((buffer = HDmalloc(n_records*recsize)) == NULL) {
				fprintf(stderr, "Error: Problems with HDmalloc of memory space\n");
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
				status = FAIL;
				break;
			}
        	if ((status = H5Dread(did, type2, space, space, H5P_DEFAULT, buffer)) != SUCCEED) {
				fprintf(stderr, "Error: Problems with H5Aread\n");
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
				status = FAIL;
				break;
			}

			if ((record_pos = VSseek(vdata_id, 0)) != 0 ) {
				fprintf(stderr, "Error: Could not seek the beginning of the Vdata, %d\n", (int)record_pos);
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
				break;
			}
			if ((num_of_recs = VSwrite(vdata_id, (void *)buffer, n_records, FULL_INTERLACE)) != n_records ) {
				fprintf(stderr, "Error: Only able to write %d of %d records\n", (int)num_of_recs, (int)n_records);
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
				break;
			}
			/* there are only vdata attributes, no field attributes */
    		if ((status = H5Aiterate(did, NULL, (H5G_operator_t)convert_attr, op_data)) < 0 ) {
        		fprintf(stderr,"Error: iterate over attributes\n");
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
    		}
			if ((status = VSdetach(vdata_id)) != SUCCEED ) {
				fprintf(stderr, "Error: Unable to detach to vdata %s.\n",name);
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
				break;
			}

			if ((status = H5Tclose(type2)) != SUCCEED  ) {
				fprintf(stderr, "Error: H5Tclose did not SUCCEED, status %d\n", (int)status);
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
				break;
			}
		} else {
        	fprintf(stdout,"Warning: H5 datasets of H5T_COMPOUND type with ndims > 1 are not converted.\n");
		}
		break;
    default:
        fprintf(stderr,"Error: %d class not found\n",class);
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
    }

    if ((status = H5Tclose(type)) < 0 ) {
        fprintf(stderr,"Error: closing type\n");
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
    }

    if ((status = H5Sclose(space)) < 0 ) {
        fprintf(stderr,"Error: closing space\n");
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
    }

    HDfree(buffer);

	return status;
    
}


/*-------------------------------------------------------------------------
 * Function:    convert_attr
 *
 * Purpose:     dump the attribute
 *
 * Return:      Success:        SUCCEED
 *
 *              Failure:        FAIL
 *
 * Programmer: Paul Harten
 *
 * Modifications: 
 *
 *-----------------------------------------------------------------------*/

herr_t
convert_attr (hid_t attr, char *attr_name, op_data_t *op_data)
{
hid_t  attr_id, type, space, mem_type;
size_t typesize;
char   *attr_values;
int32  status;
int32  h4_type;
int32  sds_id;
int32  vdata_id;
int32  vgroup_id;
int32  n_values;

	sds_id = op_data->sds_id;
	vdata_id = op_data->vdata_id;
	vgroup_id = op_data->vgroup_id;

	if ((attr_id = H5Aopen_name (attr, attr_name))>= 0) {

		if ((type = H5Aget_type(attr_id)) <= 0) {
			fprintf(stderr, "Error: H5Dget_type() didn't return appropriate value.\n");
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_attr", __FILE__, __LINE__);
			status = FAIL;
        	return status;
		}
		
		if ((space = H5Aget_space(attr_id)) <= 0) {
			fprintf(stderr, "Error: H5Dget_space() didn't return appropriate value.\n");
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_attr2", __FILE__, __LINE__);
			status = FAIL;
        	return status;
		}

		if ((n_values = H5Sget_simple_extent_npoints(space)) <= 0) {
			fprintf(stderr, "Error: H5sget_simple_extent_npoints() didn't return correct value.\n");
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_attr", __FILE__, __LINE__);
			status = FAIL;
		}

		if ((h4_type = h5type_to_h4type(type)) == FAIL ) {
			fprintf(stderr, "Error: Problems translating h5 type to h4 type\n");
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_attr", __FILE__, __LINE__);
			status = FAIL;
		}

		if ((mem_type = h4type_to_memtype(h4_type)) == FAIL ) {
			fprintf(stderr, "Error: Problems translating h4 type to mem type\n");
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_dataset", __FILE__, __LINE__);
			status = FAIL;
        	return status;
		}

		if ((typesize = H5Tget_size(mem_type)) <= 0) {
			fprintf(stderr, "Error: H5Tget_size() didn't return appropriate value.\n");
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_attr", __FILE__, __LINE__);
			status = FAIL;
		}

        if ((attr_values = HDmalloc(n_values*typesize)) == NULL) {
			fprintf(stderr, "Error: Problems with HDmalloc of memory space\n");
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_attr", __FILE__, __LINE__);
			status = FAIL;
		}

        if ((status = H5Aread(attr_id, mem_type, attr_values)) != SUCCEED) {
			fprintf(stderr, "Error: Problems with H5Aread\n");
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_attr", __FILE__, __LINE__);
			status = FAIL;
		}
		
		if (sds_id != 0) {
			if ((status = SDsetattr(sds_id, attr_name, h4_type, n_values, attr_values)) != SUCCEED ) {
				fprintf(stderr, "Error: Unable to set %s attribute.\n",attr_name);
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_attr", __FILE__, __LINE__);
				status = FAIL;
			}
		} else if (vdata_id != 0) {
			if ((status = VSsetattr(vdata_id, -1, attr_name, h4_type, n_values, attr_values)) != SUCCEED ) {
				fprintf(stderr, "Error: Unable to set %s attribute.\n",attr_name);
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_attr", __FILE__, __LINE__);
				status = FAIL;
			}
		} else {
			if ((status = Vsetattr(vgroup_id, attr_name, h4_type, n_values, attr_values)) != SUCCEED ) {
				fprintf(stderr, "Error: Unable to set %s attribute.\n",attr_name);
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_attr", __FILE__, __LINE__);
				status = FAIL;
			}
			
		}

		if ((status = H5Tclose(type)) != SUCCEED ) {
			fprintf(stderr, "Error: Problems closing H5Tclose\n");
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_attr", __FILE__, __LINE__);
			status = FAIL;
		}
		if ((status = H5Sclose(space)) != SUCCEED ) {
			fprintf(stderr, "Error: Problems closing H5Sclose\n");
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_attr", __FILE__, __LINE__);
			status = FAIL;
		}
		if ((status = H5Aclose(attr_id)) != SUCCEED ) {
			fprintf(stderr, "Error: Problems closing H5Aclose\n");
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_attr", __FILE__, __LINE__);
			status = FAIL;
		}

		HDfree(attr_values);

		status = SUCCEED;

	} else {

		status = FAIL;

	}

	return status;

}


/*-------------------------------------------------------------------------
 * Function:    convert_all
 *
 * Purpose:     Dump everything in the specified object
 *
 * Return:      Success:        SUCCEED
 *
 *              Failure:        FAIL
 *
 * Programmer:  Paul Harten
 *
 * Modifications: 
 *
 *-----------------------------------------------------------------------*/
herr_t
convert_all (hid_t group, char *name, op_data_t *op_data)
{
    hid_t obj;
    H5G_stat_t statbuf;
    int status;
	op_data_t op_data_save;
	int32 vgroup_id;
	char *sds_name;
	int32 sd_id;
	int32 sds_id;
	int32 sds_ref;
	int32 sds_index;
	void *edata;
	hid_t (*func)(void*);

	op_data_save = *op_data;

	vgroup_id = op_data->vgroup_id;
	sd_id = op_data->sd_id;
	sds_id = op_data->sds_id;

    if ((status = H5Gget_objinfo(group, name, FALSE, &statbuf)) != SUCCEED ) {
		fprintf(stderr,"Error: H5Gget_objinfo() did not work\n");
		DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_all", __FILE__, __LINE__);
		return (status);
    }

    switch (statbuf.type) {

    case H5G_LINK:

		if (statbuf.nlink==0) {

			/* Disable error reporting */
			H5Eget_auto (&func, &edata);
			H5Eset_auto (NULL, NULL);

			/* test to see if object exists */
    		if ((status = H5Gget_objinfo(group, name, TRUE, NULL)) != SUCCEED ) {
				fprintf(stdout,"Warning: the object pointed to by the symbolic link \"%s\" does not exist.\n",name);
    		}

			/* Enable error reporting */
			H5Eset_auto (func, edata);

			if (status != SUCCEED) {
				break;
			}

		}
		/* follow link */
    	if ((status = H5Gget_objinfo(group, name, TRUE, &statbuf)) != SUCCEED ) {
			fprintf(stderr,"Error: H5Gget_objinfo() did not work\n");
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_all", __FILE__, __LINE__);
			return (status);
    	}

		if (statbuf.type==H5G_DATASET) {
			
        	sds_name = HDmalloc (statbuf.linklen*sizeof(char));
        	if ((status = H5Gget_linkval (group, name, statbuf.linklen, sds_name)) != SUCCEED ) {
            	fprintf (stderr,"Error: unable to get link value.\n");
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_all", __FILE__, __LINE__);
				return (status);
        	}
			if ((sds_index = SDnametoindex(sd_id, sds_name)) < 0 ) {
            	fprintf (stderr,"Error: Problem with SDnametoindex().\n");
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_all", __FILE__, __LINE__);
				return (sds_index);
        	}
			if ((sds_id = SDselect(sd_id, sds_index)) < 0 ) {
            	fprintf (stderr,"Error: Problem with SDselect().\n");
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_all", __FILE__, __LINE__);
				return (sds_id);
        	}
			if ((sds_ref = SDidtoref(sds_id)) < 0 ) {
            	fprintf (stderr,"Error: Problem with SDidtoref().\n");
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_all", __FILE__, __LINE__);
				return (sds_ref);
        	}
			if ((status = Vaddtagref(vgroup_id, DFTAG_NDG, sds_ref)) != SUCCEED ) {
            	fprintf (stderr,"Error: Problem with Vaddtagref().\n");
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_all", __FILE__, __LINE__);
				return (status);
        	}

        	free (sds_name);

		}

        break;

    case H5G_GROUP:
		if ((obj = H5Gopen (group, name)) <= 0 ) {
			fprintf(stderr,"Error: Unable to open group\n");
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_all", __FILE__, __LINE__);
			return (obj);
		} else {
			if (( status = convert_group (obj, name, op_data)) != SUCCEED) {
				fprintf(stderr,"Error: convert_group did not work for %s\n",name);
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_all", __FILE__, __LINE__);
				status = FAIL;
				break;
			}
		}
		if ((status = H5Gclose(obj)) != SUCCEED) {
			fprintf(stderr,"Error: Unable to close group %s\n",name);
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_all", __FILE__, __LINE__);
			status = FAIL;
			break;
		}
		break;

    case H5G_DATASET:

		if ((obj = H5Dopen (group, name)) <= 0 ) {
			fprintf(stderr,"Error: Unable to open H5 dataset %s\n",name);
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_all", __FILE__, __LINE__);
			return (obj);
		} else {
			if (( status = convert_dataset (obj, name, op_data)) != SUCCEED) {
				fprintf(stderr,"Error: convert_dataset did not work for %s\n",name);
				DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_all", __FILE__, __LINE__);
				status = FAIL;
				break;
			}
		}
		if ((status = H5Dclose(obj)) != SUCCEED) {
			fprintf(stderr,"Error: Unable to close H5 dataset %s\n",name);
			DEBUG_PRINT("Error detected in %s() [%s line %d]\n", "convert_all", __FILE__, __LINE__);
			status = FAIL;
			break;
		}
		break;

    case H5G_TYPE:
		/* object is ignored */
        break;

    default:
        fprintf (stderr,"Unknown Object %s\n", name);
        status = 1; 
        return FAIL;
        break;

    }

	*op_data = op_data_save;

    return SUCCEED;

}


/*****************************************************************************

  Routine: h5type_to_h4type(h5type)
 
  Description: Translate h5 datatype into h4 datatype

  Input: h5 datatype
 
  Output: function return, h4 datatype

*****************************************************************************/

int32 h5type_to_h4type(hid_t h5_datatype)
{
    int32 h4_datatype;

	if (H5Tequal(h5_datatype,H5T_STD_I8BE)) {
 		h4_datatype = DFNT_INT8;
	} else if (H5Tequal(h5_datatype,H5T_STD_I16BE)) {
 		h4_datatype = DFNT_INT16;
	} else if (H5Tequal(h5_datatype,H5T_STD_I32BE)) {
 		h4_datatype = DFNT_INT32;
	} else if (H5Tequal(h5_datatype,H5T_STD_I64BE)) {
 		h4_datatype = DFNT_INT64;
	} else if (H5Tequal(h5_datatype,H5T_STD_U8BE)) {
 		h4_datatype = DFNT_UINT8;
	} else if (H5Tequal(h5_datatype,H5T_STD_U16BE)) {
 		h4_datatype = DFNT_UINT16;
	} else if (H5Tequal(h5_datatype,H5T_STD_U32BE)) {
 		h4_datatype = DFNT_UINT32;
	} else if (H5Tequal(h5_datatype,H5T_STD_U64BE)) {
 		h4_datatype = DFNT_UINT64;
	} else if (H5Tequal(h5_datatype,H5T_IEEE_F32BE)) {
		h4_datatype = DFNT_FLOAT32;
	} else if (H5Tequal(h5_datatype,H5T_IEEE_F64BE)) {
 		h4_datatype = DFNT_FLOAT64;
	} else if (H5Tequal(h5_datatype,H5T_STD_I8LE)) {
 		h4_datatype = DFNT_INT8;
	} else if (H5Tequal(h5_datatype,H5T_STD_I16LE)) {
 		h4_datatype = DFNT_INT16;
	} else if (H5Tequal(h5_datatype,H5T_STD_I32LE)) {
 		h4_datatype = DFNT_INT32;
	} else if (H5Tequal(h5_datatype,H5T_STD_I64LE)) {
 		h4_datatype = DFNT_INT64;
	} else if (H5Tequal(h5_datatype,H5T_STD_U8LE)) {
 		h4_datatype = DFNT_UINT8;
	} else if (H5Tequal(h5_datatype,H5T_STD_U16LE)) {
 		h4_datatype = DFNT_UINT16;
	} else if (H5Tequal(h5_datatype,H5T_STD_U32LE)) {
 		h4_datatype = DFNT_UINT32;
	} else if (H5Tequal(h5_datatype,H5T_STD_U64LE)) {
 		h4_datatype = DFNT_UINT64;
	} else if (H5Tequal(h5_datatype,H5T_IEEE_F32LE)) {
 		h4_datatype = DFNT_FLOAT32;
	} else if (H5Tequal(h5_datatype,H5T_IEEE_F64LE)) {
 		h4_datatype = DFNT_FLOAT64;
	} else if (H5Tequal(h5_datatype,H5T_NATIVE_CHAR)) {
 		h4_datatype = DFNT_INT8;
	} else if (H5Tequal(h5_datatype,H5T_NATIVE_UCHAR)) {
 		h4_datatype = DFNT_UINT8;
	} else if (H5Tequal(h5_datatype,H5T_NATIVE_SHORT)) {
 		h4_datatype = DFNT_INT16;
	} else if (H5Tequal(h5_datatype,H5T_NATIVE_USHORT)) {
 		h4_datatype = DFNT_UINT16;
	} else if (H5Tequal(h5_datatype,H5T_NATIVE_INT)) {
 		h4_datatype = DFNT_INT32;
	} else if (H5Tequal(h5_datatype,H5T_NATIVE_UINT)) {
 		h4_datatype = DFNT_UINT32;
	} else if (H5Tequal(h5_datatype,H5T_NATIVE_LONG)) {
 		h4_datatype = DFNT_INT64;
	} else if (H5Tequal(h5_datatype,H5T_NATIVE_ULONG)) {
 		h4_datatype = DFNT_UINT64;
	} else if (H5Tequal(h5_datatype,H5T_NATIVE_LLONG)) {
 		h4_datatype = DFNT_INT128;
	} else if (H5Tequal(h5_datatype,H5T_NATIVE_ULLONG)) {
 		h4_datatype = DFNT_UINT128;
	} else if (H5Tequal(h5_datatype,H5T_NATIVE_FLOAT)) {
		h4_datatype = DFNT_FLOAT32;
	} else if (H5Tequal(h5_datatype,H5T_NATIVE_DOUBLE)) {
 		h4_datatype = DFNT_FLOAT64;
	} else if (H5Tequal(h5_datatype,H5T_NATIVE_LDOUBLE)) {
 		h4_datatype = DFNT_FLOAT128;
	} else {
 		h4_datatype = FAIL;
	}

	return h4_datatype;

}


/*****************************************************************************

  Routine: h4type_to_memtype(h4type)
 
  Description: Translate h4 datatype into mem datatype

  Input: h4 datatype
 
  Output: function return, mem datatype

*****************************************************************************/

hid_t h4type_to_memtype(int32 h4_datatype)
{
    hid_t mem_datatype;

	switch (h4_datatype) {
	case DFNT_INT8:
	case DFNT_NINT8:
	case DFNT_LINT8:
		mem_datatype = H5T_NATIVE_CHAR; break;
	case DFNT_UINT8:
	case DFNT_NUINT8:
	case DFNT_LUINT8:
		mem_datatype = H5T_NATIVE_UCHAR; break;
 	case DFNT_INT16:
 	case DFNT_NINT16:
 	case DFNT_LINT16:
 		mem_datatype = H5T_NATIVE_SHORT; break;
 	case DFNT_UINT16:
 	case DFNT_NUINT16:
 	case DFNT_LUINT16:
 		mem_datatype = H5T_NATIVE_USHORT; break;
 	case DFNT_INT32:
 	case DFNT_NINT32:
 	case DFNT_LINT32:
 		mem_datatype = H5T_NATIVE_INT; break;
 	case DFNT_UINT32:
 	case DFNT_NUINT32:
 	case DFNT_LUINT32:
 		mem_datatype = H5T_NATIVE_UINT; break;
 	case DFNT_INT64:
 	case DFNT_NINT64:
 	case DFNT_LINT64:
 		mem_datatype = H5T_NATIVE_LONG; break;
 	case DFNT_UINT64:
 	case DFNT_NUINT64:
 	case DFNT_LUINT64:
 		mem_datatype = H5T_NATIVE_ULONG; break;
 	case DFNT_INT128:
 	case DFNT_NINT128:
 	case DFNT_LINT128:
 		mem_datatype = H5T_NATIVE_LLONG; break;
 	case DFNT_UINT128:
 	case DFNT_NUINT128:
 	case DFNT_LUINT128:
 		mem_datatype = H5T_NATIVE_ULLONG; break;
 	case DFNT_FLOAT32:
 	case DFNT_NFLOAT32:
 	case DFNT_LFLOAT32:
 		mem_datatype = H5T_NATIVE_FLOAT; break;
 	case DFNT_FLOAT64:
 	case DFNT_NFLOAT64:
 	case DFNT_LFLOAT64:
 		mem_datatype = H5T_NATIVE_DOUBLE; break;
 	case DFNT_FLOAT128:
 	case DFNT_NFLOAT128:
 	case DFNT_LFLOAT128:
 		mem_datatype = H5T_NATIVE_LDOUBLE; break;
	default:
 		mem_datatype = FAIL;
	}

	return mem_datatype;

}


/*****************************************************************************

  Routine: test_file
 
  Description: Test a file for read/write - ability.
 
  Input: filename	- Unix filename
 
  Output: function return,  global variable - errno

*****************************************************************************/

int test_file(char *filename,int oflag,mode_t mode)
{
	int	fid;

	errno = 0;

	fid = open(filename, oflag, mode);
	if (fid < 0) {
		perror(filename);
	}
	close(fid);

	return errno;

}


/*****************************************************************************

  Routine: test_dir
 
  Description: Test pathway to determine if it is a directory
 
  Input: path	- pathname given
 
  Output:  function return TRUE/FALSE

*****************************************************************************/

int test_dir(path)
	char	*path;
{

	struct stat buf;
	struct stat *buf_ptr;
	int idir;

	buf_ptr = &buf;

	idir = stat(path, buf_ptr);
	if (idir < 0) {
		if (errno == 2) {
			return 0;
		} else {
			perror(path);
		}
	}

	return S_ISDIR(buf_ptr->st_mode);

}

/*****************************************************************************

  Routine: BuildFilename()
 
  Description: Build a filename with new extension
 
  Input: filename	- present filename
		 ext		- extension to root of filename
 
  Output: (filename:r).ext

*****************************************************************************/

char *BuildFilename(char *filename, char *ext)
{
 	/* build outgoing filename */

	char *filename_out;
	char *lastper_ptr, *lastdir_ptr;
	int root_len;

	lastper_ptr = strrchr(filename,'.');
	lastdir_ptr = strrchr(filename,'/');

	if ( lastper_ptr <= lastdir_ptr ) { /* no extension */
		root_len = strlen(filename);
	} else {	/* existing extension */
		root_len = (int)(lastper_ptr - filename); 
	}

	filename_out = (char *)HDmalloc(root_len + strlen(ext) + 2);
	filename_out = strncpy(filename_out, filename, (size_t)root_len);
	filename_out[root_len] = '\0';
	filename_out = strcat(filename_out,".");
	filename_out = strcat(filename_out,ext);

	return filename_out;
}