summaryrefslogtreecommitdiffstats
path: root/hl/src/H5PT.c
diff options
context:
space:
mode:
Diffstat (limited to 'hl/src/H5PT.c')
-rw-r--r--hl/src/H5PT.c528
1 files changed, 345 insertions, 183 deletions
diff --git a/hl/src/H5PT.c b/hl/src/H5PT.c
index 6ed1ac0..e2d6a3d 100644
--- a/hl/src/H5PT.c
+++ b/hl/src/H5PT.c
@@ -48,15 +48,15 @@ static herr_t H5PT_get_index(htbl_t *table_id, hsize_t *pt_index);
*/
/*-------------------------------------------------------------------------
- * Function: H5PTcreate_fl
+ * Function: H5PTcreate
*
* Purpose: Creates a dataset containing a table and returns the Identifier
- * of the table.
+ * of the table. (Copied mostly from H5PTcreate_fl)
*
- * Return: Success: table ID, Failure: Negative
+ * Return: Success: table ID, Failure: FAIL
*
- * Programmer: Nat Furrer, nfurrer@ncsa.uiuc.edu
- * James Laird, jlaird@ncsa.uiuc.edu
+ * Programmer: Nat Furrer, nfurrer@ncsa.uiuc.edu (Author of H5PTcreate_fl)
+ * James Laird, jlaird@ncsa.uiuc.edu (Author of H5PTcreate_fl)
*
* Date: March 12, 2004
*
@@ -65,80 +65,93 @@ static herr_t H5PT_get_index(htbl_t *table_id, hsize_t *pt_index);
* table is initially of size 0.
*
* Modifications:
+ * Mar 1, 2016
+ * This function is added to replace H5PTcreate_fl and it differs
+ * from H5PTcreate_fl only because its last argument is plist_id
+ * instead of compression; this is to allow flexible compression.
+ * -BMR
*
*-------------------------------------------------------------------------
*/
-
-hid_t H5PTcreate_fl ( hid_t loc_id,
- const char *dset_name,
- hid_t dtype_id,
- hsize_t chunk_size,
- int compression )
+hid_t H5PTcreate(hid_t loc_id,
+ const char *dset_name,
+ hid_t dtype_id,
+ hsize_t chunk_size,
+ hid_t plist_id)
{
htbl_t * table = NULL;
- hid_t dset_id = H5I_BADID;
- hid_t space_id = H5I_BADID;
- hid_t plist_id = H5I_BADID;
+ hid_t dset_id = H5I_INVALID_HID;
+ hid_t space_id = H5I_INVALID_HID;
+ hid_t plistcopy_id = H5I_INVALID_HID;
hsize_t dims[1];
hsize_t dims_chunk[1];
hsize_t maxdims[1];
- hid_t ret_value;
+ hid_t ret_value = H5I_INVALID_HID;
/* check the arguments */
if (dset_name == NULL) {
- goto out;
+ goto error;
}
/* Register the packet table ID type if this is the first table created */
if(H5PT_ptable_id_type < 0)
if((H5PT_ptable_id_type = H5Iregister_type((size_t)H5PT_HASH_TABLE_SIZE, 0, (H5I_free_t)H5PT_free_id)) < 0)
- goto out;
+ goto error;
/* Get memory for the table identifier */
table = (htbl_t *)HDmalloc(sizeof(htbl_t));
+ if ( table == NULL ) {
+ goto error;
+ }
+ table->dset_id = H5I_INVALID_HID;
+ table->type_id = H5I_INVALID_HID;
/* Create a simple data space with unlimited size */
dims[0] = 0;
dims_chunk[0] = chunk_size;
maxdims[0] = H5S_UNLIMITED;
if((space_id = H5Screate_simple(1, dims, maxdims)) < 0)
- goto out;
+ goto error;
/* Modify dataset creation properties to enable chunking */
- plist_id = H5Pcreate(H5P_DATASET_CREATE);
- if(H5Pset_chunk(plist_id, 1, dims_chunk) < 0)
- goto out;
- if(compression >= 0 && compression <= 9)
- if(H5Pset_deflate(plist_id, (unsigned)compression) < 0)
- goto out;
+ if (plist_id == H5P_DEFAULT) {
+ plistcopy_id = H5Pcreate(H5P_DATASET_CREATE);
+ }
+ else {
+ plistcopy_id = H5Pcopy(plist_id);
+ }
+ if (chunk_size > 0)
+ {
+ if(H5Pset_chunk(plistcopy_id, 1, dims_chunk) < 0)
+ goto error;
+ }
/* Create the dataset. */
- if((dset_id = H5Dcreate2(loc_id, dset_name, dtype_id, space_id, H5P_DEFAULT, plist_id, H5P_DEFAULT)) < 0)
- goto out;
+ if((dset_id = H5Dcreate2(loc_id, dset_name, dtype_id, space_id, H5P_DEFAULT, plistcopy_id, H5P_DEFAULT)) < 0)
+ goto error;
+
+ /* Create the table identifier */
+ table->dset_id = dset_id;
/* Terminate access to the data space. */
if(H5Sclose(space_id) < 0)
- goto out;
+ goto error;
/* End access to the property list */
- if(H5Pclose(plist_id) < 0)
- goto out;
-
- /* Create the table identifier */
- table->dset_id = dset_id;
+ if(H5Pclose(plistcopy_id) < 0)
+ goto error;
if((table->type_id = H5Tcopy(dtype_id)) < 0)
- goto out;
+ goto error;
if((table->type_id = H5Tget_native_type(table->type_id, H5T_DIR_DEFAULT)) < 0)
- goto out;
+ goto error;
H5PT_create_index(table);
table->size = 0;
/* Get an ID for this table */
ret_value = H5Iregister(H5PT_ptable_id_type, table);
-
if(ret_value != H5I_INVALID_HID)
H5PT_ptable_count++;
else
@@ -146,32 +159,38 @@ hid_t H5PTcreate_fl ( hid_t loc_id,
return ret_value;
- out:
- H5E_BEGIN_TRY
- H5Sclose(space_id);
- H5Pclose(plist_id);
- H5Dclose(dset_id);
- if(table)
- HDfree(table);
- H5E_END_TRY
- return H5I_INVALID_HID;
-}
+error:
+ if (space_id != H5I_INVALID_HID)
+ H5Sclose(space_id);
+ if (plistcopy_id != H5I_INVALID_HID)
+ H5Pclose(plistcopy_id);
+ if (dset_id != H5I_INVALID_HID)
+ H5Dclose(dset_id);
+ if (table)
+ {
+ if (table->type_id != H5I_INVALID_HID)
+ H5Tclose(table->type_id);
+ HDfree(table);
+ }
+
+ return ret_value;
+} /* H5PTcreate */
+
-#ifdef H5_VLPT_ENABLED
/*-------------------------------------------------------------------------
- * Function: H5PTcreate_vl
+ * Function: H5PTcreate_fl
*
- * Purpose: Creates a dataset containing a table of variable length records
- * and returns the Identifier of the table.
+ * Purpose: Creates a dataset containing a table and returns the Identifier
+ * of the table.
*
* Return: Success: table ID, Failure: Negative
*
* Programmer: Nat Furrer, nfurrer@ncsa.uiuc.edu
* James Laird, jlaird@ncsa.uiuc.edu
*
- * Date: April 12, 2004
+ * Date: March 12, 2004
*
- * Comments: This function does not handle compression or fill data
+ * Comments: This function does not handle fill data
* currently. Fill data is not necessary because the
* table is initially of size 0.
*
@@ -179,38 +198,104 @@ hid_t H5PTcreate_fl ( hid_t loc_id,
*
*-------------------------------------------------------------------------
*/
-hid_t H5PTcreate_vl ( hid_t loc_id,
- const char*dset_name,
- hsize_t chunk_size)
+
+hid_t H5PTcreate_fl ( hid_t loc_id,
+ const char *dset_name,
+ hid_t dtype_id,
+ hsize_t chunk_size,
+ int compression )
{
- hid_t ret_value=H5I_BADID;
- hid_t vltype;
+ htbl_t * table = NULL;
+ hid_t dset_id = H5I_INVALID_HID;
+ hid_t space_id = H5I_INVALID_HID;
+ hid_t plist_id = H5I_INVALID_HID;
+ hsize_t dims[1];
+ hsize_t dims_chunk[1];
+ hsize_t maxdims[1];
+ hid_t ret_value = H5I_INVALID_HID;
/* check the arguments */
if (dset_name == NULL) {
- goto out;
+ goto error;
+ }
+
+ /* Register the packet table ID type if this is the first table created */
+ if(H5PT_ptable_id_type < 0)
+ if((H5PT_ptable_id_type = H5Iregister_type((size_t)H5PT_HASH_TABLE_SIZE, 0, (H5I_free_t)H5PT_free_id)) < 0)
+ goto error;
+
+ /* Get memory for the table identifier */
+ table = (htbl_t *)HDmalloc(sizeof(htbl_t));
+ if ( table == NULL ) {
+ goto error;
}
+ table->dset_id = H5I_INVALID_HID;
+ table->type_id = H5I_INVALID_HID;
+
+ /* Create a simple data space with unlimited size */
+ dims[0] = 0;
+ dims_chunk[0] = chunk_size;
+ maxdims[0] = H5S_UNLIMITED;
+ if((space_id = H5Screate_simple(1, dims, maxdims)) < 0)
+ goto error;
+
+ /* Modify dataset creation properties to enable chunking */
+ plist_id = H5Pcreate(H5P_DATASET_CREATE);
+ if(H5Pset_chunk(plist_id, 1, dims_chunk) < 0)
+ goto error;
+ if(compression >= 0 && compression <= 9)
+ if(H5Pset_deflate(plist_id, (unsigned)compression) < 0)
+ goto error;
+
+ /* Create the dataset. */
+ if((dset_id = H5Dcreate2(loc_id, dset_name, dtype_id, space_id, H5P_DEFAULT, plist_id, H5P_DEFAULT)) < 0)
+ goto error;
- /* Create a variable length type that uses single bytes as its base type */
- vltype = H5Tvlen_create(H5T_NATIVE_UCHAR);
- if(vltype < 0)
- goto out;
+ /* Create the table identifier */
+ table->dset_id = dset_id;
- if((ret_value=H5PTcreate_fl(loc_id, dset_name, vltype, chunk_size, 0)) < 0)
- goto out;
+ /* Terminate access to the data space. */
+ if(H5Sclose(space_id) < 0)
+ goto error;
- /* close the vltype */
- if(H5Tclose(vltype) < 0)
- goto out;
+ /* End access to the property list */
+ if(H5Pclose(plist_id) < 0)
+ goto error;
+
+ if((table->type_id = H5Tcopy(dtype_id)) < 0)
+ goto error;
+
+ if((table->type_id = H5Tget_native_type(table->type_id, H5T_DIR_DEFAULT)) < 0)
+ goto error;
+
+ H5PT_create_index(table);
+ table->size = 0;
+
+ /* Get an ID for this table */
+ ret_value = H5Iregister(H5PT_ptable_id_type, table);
+ if(ret_value != H5I_INVALID_HID)
+ H5PT_ptable_count++;
+ else
+ H5PT_close(table);
return ret_value;
-out:
- if(ret_value != H5I_BADID)
- H5PTclose(ret_value);
- return H5I_BADID;
-}
-#endif /* H%_VLPT_ENABLED */
+error:
+ if (space_id != H5I_INVALID_HID)
+ H5Sclose(space_id);
+ if (plist_id != H5I_INVALID_HID)
+ H5Pclose(plist_id);
+ if (dset_id != H5I_INVALID_HID)
+ H5Dclose(dset_id);
+ if (table)
+ {
+ if (table->type_id != H5I_INVALID_HID)
+ H5Tclose(table->type_id);
+ HDfree(table);
+ }
+
+ return ret_value;
+} /* H5PTcreate_fl */
/*-------------------------------------------------------------------------
* Function: H5PTopen
@@ -239,58 +324,59 @@ out:
hid_t H5PTopen( hid_t loc_id,
const char *dset_name )
{
- hid_t type_id=H5I_BADID;
- hid_t space_id=H5I_BADID;
+ hid_t type_id=H5I_INVALID_HID;
+ hid_t space_id=H5I_INVALID_HID;
htbl_t * table = NULL;
- hid_t ret_value;
hsize_t dims[1];
+ hid_t ret_value = H5I_INVALID_HID;
/* check the arguments */
if (dset_name == NULL) {
- goto out;
+ goto error;
}
/* Register the packet table ID type if this is the first table created */
if( H5PT_ptable_id_type < 0)
if((H5PT_ptable_id_type = H5Iregister_type((size_t)H5PT_HASH_TABLE_SIZE, 0, (H5I_free_t)H5PT_free_id)) < 0)
- goto out;
+ goto error;
table = (htbl_t *)HDmalloc(sizeof(htbl_t));
-
if ( table == NULL ) {
- goto out;
+ goto error;
}
- table->dset_id = H5I_BADID;
- table->type_id = H5I_BADID;
+ table->dset_id = H5I_INVALID_HID;
+ table->type_id = H5I_INVALID_HID;
/* Open the dataset */
if((table->dset_id = H5Dopen2(loc_id, dset_name, H5P_DEFAULT)) < 0)
- goto out;
- if(table->dset_id < 0)
- goto out;
+ goto error;
/* Get the dataset's disk datatype */
if((type_id = H5Dget_type(table->dset_id)) < 0)
- goto out;
+ goto error;
/* Get the table's native datatype */
if((table->type_id = H5Tget_native_type(type_id, H5T_DIR_ASCEND)) < 0)
- goto out;
+ goto error;
+ /* Close the disk datatype */
if(H5Tclose(type_id) < 0)
- goto out;
+ goto error;
+ type_id = H5I_INVALID_HID;
/* Initialize the current record pointer */
if((H5PT_create_index(table)) < 0)
- goto out;
+ goto error;
/* Get number of records in table */
if((space_id=H5Dget_space(table->dset_id)) < 0)
- goto out;
- if( H5Sget_simple_extent_dims( space_id, dims, NULL) < 0)
- goto out;
+ goto error;
+ if(H5Sget_simple_extent_dims(space_id, dims, NULL) < 0)
+ goto error;
if(H5Sclose(space_id) < 0)
- goto out;
+ goto error;
+ space_id = H5I_INVALID_HID;
+
table->size = dims[0];
/* Get an ID for this table */
@@ -303,33 +389,36 @@ hid_t H5PTopen( hid_t loc_id,
return ret_value;
-out:
- H5E_BEGIN_TRY
- H5Tclose(type_id);
- H5Sclose(space_id);
- if(table)
- {
- H5Dclose(table->dset_id);
- H5Tclose(table->type_id);
- HDfree(table);
- }
- H5E_END_TRY
- return H5I_INVALID_HID;
-}
+error:
+ if (type_id != H5I_INVALID_HID)
+ H5Dclose(type_id);
+ if (space_id != H5I_INVALID_HID)
+ H5Sclose(space_id);
+ if(table)
+ {
+ if (table->type_id != H5I_INVALID_HID)
+ H5Tclose(table->type_id);
+ if (table->dset_id != H5I_INVALID_HID)
+ H5Dclose(table->dset_id);
+ HDfree(table);
+ }
+
+ return ret_value;
+} /* H5PTopen */
/*-------------------------------------------------------------------------
* Function: H5PT_free_id
*
* Purpose: Free an id. Callback for H5Iregister_type.
*
- * Return: Success: 0, Failure: N/A
+ * Return: Success: SUCCEED, Failure: N/A
*-------------------------------------------------------------------------
*/
static herr_t
H5PT_free_id(void *id)
{
HDfree(id);
- return 0;
+ return SUCCEED;
}
/*-------------------------------------------------------------------------
@@ -338,7 +427,7 @@ H5PT_free_id(void *id)
* Purpose: Closes a table (i.e. cleans up all open resources used by a
* table).
*
- * Return: Success: 0, Failure: -1
+ * Return: Success: SUCCEED, Failure: FAIL
*
* Programmer: Nat Furrer, nfurrer@ncsa.uiuc.edu
* James Laird, jlaird@ncsa.uiuc.edu
@@ -355,21 +444,21 @@ static herr_t
H5PT_close( htbl_t* table)
{
if(table == NULL)
- goto out;
+ goto error;
/* Close the dataset */
if(H5Dclose(table->dset_id) < 0)
- goto out;
+ goto error;
/* Close the memory datatype */
if(H5Tclose(table->type_id) < 0)
- goto out;
+ goto error;
HDfree(table);
- return 0;
+ return SUCCEED;
-out:
+error:
if(table)
{
H5E_BEGIN_TRY
@@ -378,7 +467,7 @@ out:
H5E_END_TRY
HDfree(table);
}
- return -1;
+ return FAIL;
}
/*-------------------------------------------------------------------------
@@ -387,7 +476,7 @@ out:
* Purpose: Closes a table (i.e. cleans up all open resources used by a
* table).
*
- * Return: Success: 0, Failure: -1
+ * Return: Success: SUCCEED, Failure: FAIL
*
* Programmer: Nat Furrer, nfurrer@ncsa.uiuc.edu
* James Laird, jlaird@ncsa.uiuc.edu
@@ -406,11 +495,11 @@ herr_t H5PTclose( hid_t table_id )
/* Remove the ID from the library */
if((table = (htbl_t *)H5Iremove_verify(table_id, H5PT_ptable_id_type)) ==NULL)
- goto out;
+ goto error;
/* If the library found the table, remove it */
if( H5PT_close(table) < 0)
- goto out;
+ goto error;
/* One less packet table open */
H5PT_ptable_count--;
@@ -423,10 +512,10 @@ herr_t H5PTclose( hid_t table_id )
H5PT_ptable_id_type = H5I_UNINIT;
}
- return 0;
+ return SUCCEED;
-out:
- return -1;
+error:
+ return FAIL;
}
@@ -442,7 +531,7 @@ out:
*
* Purpose: Appends packets to the end of a packet table
*
- * Return: Success: 0, Failure: -1
+ * Return: Success: SUCCEED, Failure: FAIL
*
* Programmer: Nat Furrer, nfurrer@ncsa.uiuc.edu
* James Laird, jlaird@ncsa.uiuc.edu
@@ -463,22 +552,22 @@ herr_t H5PTappend( hid_t table_id,
/* Find the table struct from its ID */
if((table = (htbl_t *) H5Iobject_verify(table_id, H5PT_ptable_id_type)) == NULL)
- goto out;
+ goto error;
/* If we are asked to write 0 records, just do nothing */
if(nrecords == 0)
- return 0;
+ return SUCCEED;
if((H5TB_common_append_records(table->dset_id, table->type_id,
nrecords, table->size, data)) < 0)
- goto out;
+ goto error;
/* Update table size */
table->size += nrecords;
- return 0;
+ return SUCCEED;
-out:
- return -1;
+error:
+ return FAIL;
}
/*-------------------------------------------------------------------------
@@ -495,7 +584,7 @@ out:
* Purpose: Reads packets starting at the current index and updates
* that index
*
- * Return: Success: 0, Failure: -1
+ * Return: Success: SUCCEED, Failure: FAIL
*
* Programmer: Nat Furrer, nfurrer@ncsa.uiuc.edu
* James Laird, jlaird@ncsa.uiuc.edu
@@ -517,22 +606,22 @@ herr_t H5PTget_next( hid_t table_id,
/* Find the table struct from its ID */
if((table = (htbl_t *) H5Iobject_verify(table_id, H5PT_ptable_id_type)) == NULL)
- goto out;
+ goto error;
/* If nrecords == 0, do nothing */
if(nrecords == 0)
- return 0;
+ return SUCCEED;
if((H5TB_common_read_records(table->dset_id, table->type_id,
table->current_index, nrecords, table->size, data)) < 0)
- goto out;
+ goto error;
/* Update the current index */
table->current_index += nrecords;
- return 0;
+ return SUCCEED;
-out:
- return -1;
+error:
+ return FAIL;
}
/*-------------------------------------------------------------------------
@@ -540,7 +629,7 @@ out:
*
* Purpose: Reads packets from anywhere in a packet table
*
- * Return: Success: 0, Failure: -1
+ * Return: Success: SUCCEED, Failure: FAIL
*
* Programmer: Nat Furrer, nfurrer@ncsa.uiuc.edu
* James Laird, jlaird@ncsa.uiuc.edu
@@ -564,20 +653,20 @@ herr_t H5PTread_packets( hid_t table_id,
/* find the table struct from its ID */
table = (htbl_t *) H5Iobject_verify(table_id, H5PT_ptable_id_type);
if(table == NULL)
- goto out;
+ goto error;
/* If nrecords == 0, do nothing */
if(nrecords == 0)
- return 0;
+ return SUCCEED;
if( H5TB_common_read_records(table->dset_id, table->type_id,
start, nrecords, table->size, data) < 0)
- goto out;
+ goto error;
- return 0;
+ return SUCCEED;
-out:
- return -1;
+error:
+ return FAIL;
}
/*-------------------------------------------------------------------------
@@ -592,7 +681,7 @@ out:
*
* Purpose: Resets, sets, and gets the current record index for a packet table
*
- * Return: Success: 0, Failure: -1
+ * Return: Success: SUCCEED, Failure: FAIL
*
* Programmer: Nat Furrer, nfurrer@ncsa.uiuc.edu
* James Laird, jlaird@ncsa.uiuc.edu
@@ -611,37 +700,37 @@ H5PT_create_index(htbl_t *table)
if( table != NULL)
{
table->current_index = 0;
- return 0;
+ return SUCCEED;
}
- return -1;
+ return FAIL;
}
static herr_t
-H5PT_set_index(htbl_t *table, hsize_t index)
+H5PT_set_index(htbl_t *table, hsize_t pt_index)
{
/* Ensure index is valid */
if( table != NULL )
{
- if( index < table->size )
+ if( pt_index < table->size )
{
- table->current_index = index;
- return 0;
+ table->current_index = pt_index;
+ return SUCCEED;
}
}
- return -1;
+ return FAIL;
}
static herr_t
-H5PT_get_index(htbl_t *table, hsize_t *index)
+H5PT_get_index(htbl_t *table, hsize_t *pt_index)
{
/* Ensure index is valid */
if( table != NULL )
{
- if(index)
- *index = table->current_index;
- return 0;
+ if(pt_index)
+ *pt_index = table->current_index;
+ return SUCCEED;
}
- return -1;
+ return FAIL;
}
/*-------------------------------------------------------------------------
@@ -649,7 +738,7 @@ H5PT_get_index(htbl_t *table, hsize_t *index)
*
* Purpose: Resets, sets, and gets the current record index for a packet table
*
- * Return: Success: 0, Failure: -1
+ * Return: Success: SUCCEED, Failure: FAIL
*
* Programmer: Nat Furrer, nfurrer@ncsa.uiuc.edu
* James Laird, jlaird@ncsa.uiuc.edu
@@ -668,7 +757,7 @@ herr_t H5PTcreate_index(hid_t table_id)
/* find the table struct from its ID */
if((table = (htbl_t *) (htbl_t *) H5Iobject_verify(table_id, H5PT_ptable_id_type)) == NULL)
- return -1;
+ return FAIL;
return H5PT_create_index(table);
}
@@ -679,7 +768,7 @@ herr_t H5PTset_index(hid_t table_id, hsize_t pt_index)
/* find the table struct from its ID */
if((table = (htbl_t *) H5Iobject_verify(table_id, H5PT_ptable_id_type)) == NULL)
- return -1;
+ return FAIL;
return H5PT_set_index(table, pt_index);
}
@@ -690,7 +779,7 @@ herr_t H5PTget_index(hid_t table_id, hsize_t *pt_index)
/* find the table struct from its ID */
if((table = (htbl_t *) H5Iobject_verify(table_id, H5PT_ptable_id_type)) == NULL)
- return -1;
+ return FAIL;
return H5PT_get_index(table, pt_index);
}
@@ -705,9 +794,9 @@ herr_t H5PTget_index(hid_t table_id, hsize_t *pt_index)
/*-------------------------------------------------------------------------
* Function: H5PTget_num_packets
*
- * Purpose: Returns by reference the number of packets in the dataset
+ * Purpose: Returns by reference the number of packets in the packet table
*
- * Return: Success: 0, Failure: -1
+ * Return: Success: SUCCEED, Failure: FAIL
*
* Programmer: Nat Furrer, nfurrer@ncsa.uiuc.edu
* James Laird, jlaird@ncsa.uiuc.edu
@@ -727,14 +816,15 @@ herr_t H5PTget_num_packets( hid_t table_id, hsize_t *nrecords)
/* find the table struct from its ID */
if((table = (htbl_t *) H5Iobject_verify(table_id, H5PT_ptable_id_type)) == NULL)
- goto out;
+ goto error;
if(nrecords)
*nrecords = table->size;
- return 0;
-out:
- return -1;
+ return SUCCEED;
+
+error:
+ return FAIL;
}
@@ -743,7 +833,7 @@ out:
*
* Purpose: Validates a table identifier
*
- * Return: Success: 0, Failure: -1
+ * Return: Success: SUCCEED, Failure: FAIL
*
* Programmer: Nat Furrer, nfurrer@ncsa.uiuc.edu
* James Laird, jlaird@ncsa.uiuc.edu
@@ -761,19 +851,18 @@ herr_t H5PTis_valid(hid_t table_id)
{
/* find the table struct from its ID */
if(H5Iobject_verify(table_id, H5PT_ptable_id_type) ==NULL)
- return -1;
+ return FAIL;
- return 0;
+ return SUCCEED;
}
-#ifdef H5_VLPT_ENABLED
/*-------------------------------------------------------------------------
* Function: H5PTis_varlen
*
* Purpose: Returns 1 if a table_id corresponds to a packet table of variable-
* length records or 0 for fixed-length records.
*
- * Return: True: 1, False: 0, Failure: -1
+ * Return: True: 1, False: 0, Failure: FAIL
*
* Programmer: Nat Furrer, nfurrer@ncsa.uiuc.edu
* James Laird, jlaird@ncsa.uiuc.edu
@@ -794,17 +883,18 @@ herr_t H5PTis_varlen(hid_t table_id)
/* find the table struct from its ID */
if((table = (htbl_t *) H5Iobject_verify(table_id, H5PT_ptable_id_type)) == NULL)
- goto out;
+ goto error;
if((type = H5Tget_class( table->type_id )) == H5T_NO_CLASS)
- goto out;
+ goto error;
if( type == H5T_VLEN )
return 1;
else
return 0;
-out:
- return -1;
+
+error:
+ return FAIL;
}
/*-------------------------------------------------------------------------
@@ -815,12 +905,12 @@ out:
*/
/*-------------------------------------------------------------------------
- * Function: H5PTfree_vlen_readbuff
+ * Function: H5PTfree_vlen_buff
*
* Purpose: Frees memory used when reading from a variable length packet
* table.
*
- * Return: Success: 0, Failure: -1
+ * Return: Success: SUCCEED, Failure: FAIL
* -2 if memory was reclaimed but another error occurred
*
* Programmer: Nat Furrer, nfurrer@ncsa.uiuc.edu
@@ -836,25 +926,25 @@ out:
*-------------------------------------------------------------------------
*/
-herr_t H5PTfree_vlen_readbuff( hid_t table_id,
+herr_t H5PTfree_vlen_buff( hid_t table_id,
size_t _bufflen,
void * buff )
{
- hid_t space_id = H5I_BADID;
+ hid_t space_id = H5I_INVALID_HID;
htbl_t * table;
hsize_t bufflen = _bufflen;
herr_t ret_value;
/* find the table struct from its ID */
if((table = (htbl_t *) H5Iobject_verify(table_id, H5PT_ptable_id_type)) == NULL)
- goto out;
+ goto error;
if((space_id = H5Screate_simple(1, &bufflen, NULL)) < 0)
- goto out;
+ goto error;
/* Free the memory. If this succeeds, ret_value should be 0. */
if((ret_value = H5Dvlen_reclaim(table->type_id, space_id, H5P_DEFAULT, buff)) < 0)
- goto out;
+ goto error;
/* If the dataspace cannot be closed, return -2 to indicate that memory */
/* was freed successfully but an error still occurred. */
@@ -863,11 +953,83 @@ herr_t H5PTfree_vlen_readbuff( hid_t table_id,
return ret_value;
-out:
+error:
H5E_BEGIN_TRY
H5Sclose(space_id);
H5E_END_TRY
- return -1;
+ return FAIL;
+} /* H5PTfree_vlen_buff */
+
+/*-------------------------------------------------------------------------
+ *
+ * Accessor functions
+ *
+ *-------------------------------------------------------------------------
+ */
+/*-------------------------------------------------------------------------
+ * Function: H5PTget_dataset
+ *
+ * Purpose: Returns the backend dataset of this packet table
+ *
+ * Return: Success: SUCCEED, Failure: FAIL
+ *
+ * Programmer: User's patch 0003, HDFFV-8623. -BMR
+ *
+ * Date: Feb 10, 2016
+ *
+ * Comments:
+ *
+ * Modifications:
+ *
+ *
+ *-------------------------------------------------------------------------
+ */
+hid_t H5PTget_dataset(hid_t table_id)
+{
+ htbl_t * table;
+ hid_t ret_value = H5I_INVALID_HID;
+
+ /* find the table struct from its ID */
+ if((table = (htbl_t *) H5Iobject_verify(table_id, H5PT_ptable_id_type)) == NULL)
+ goto error;
+
+ ret_value = table->dset_id;
+
+error:
+
+ return ret_value;
}
-#endif /* H5_VLPT_ENABLED */
+/*-------------------------------------------------------------------------
+ * Function: H5PTget_type
+ *
+ * Purpose: Returns the backend type of this packet table
+ *
+ * Return: Success: datatype ID, Failure: H5I_INVALID_HID
+ *
+ * Programmer: User's patch 0003, HDFFV-8623. -BMR
+ *
+ * Date: Feb 10, 2016
+ *
+ * Comments:
+ *
+ * Modifications:
+ *
+ *
+ *-------------------------------------------------------------------------
+ */
+hid_t H5PTget_type( hid_t table_id)
+{
+ htbl_t * table;
+ hid_t ret_value = H5I_INVALID_HID;
+
+ /* find the table struct from its ID */
+ if((table = (htbl_t *) H5Iobject_verify(table_id, H5PT_ptable_id_type)) == NULL)
+ goto error;
+
+ ret_value = table->type_id;
+
+error:
+
+ return ret_value;
+}