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-rw-r--r--src/H5D.c143
1 files changed, 102 insertions, 41 deletions
diff --git a/src/H5D.c b/src/H5D.c
index 656b7a5..03fce3d 100644
--- a/src/H5D.c
+++ b/src/H5D.c
@@ -66,28 +66,6 @@ const H5D_create_t H5D_create_dflt = {
{0, 0, NULL} /* No filters in pipeline */
};
-/* Default dataset transfer property list */
-const H5D_xfer_t H5D_xfer_dflt = {
- 1024*1024, /* Temporary buffer size */
- NULL, /* Type conversion buffer or NULL */
- NULL, /* Background buffer or NULL */
- H5T_BKG_NO, /* Type of background buffer needed */
- {0.1, 0.5, 0.9}, /* B-tree node splitting ratios */
-#ifndef HAVE_PARALLEL
- 1, /* Cache the hyperslab blocks by default*/
-#else
- 0, /*
- * Don't cache the hyperslab blocks by
- * default (for parallel)
- */
-#endif /* HAVE_PARALLEL */
- 0, /*
- * Default to no upper limit on hyperslab
- * block size to cache
- */
- H5D_XFER_DFLT, /* Independent data transfer */
-};
-
/* Interface initialization? */
static intn interface_initialize_g = 0;
#define INTERFACE_INIT H5D_init_interface
@@ -604,7 +582,7 @@ H5Dread(hid_t dset_id, hid_t mem_type_id, hid_t mem_space_id,
const H5T_t *mem_type = NULL;
const H5S_t *mem_space = NULL;
const H5S_t *file_space = NULL;
- const H5D_xfer_t *xfer_parms = NULL;
+ const H5F_xfer_t *xfer_parms = NULL;
FUNC_ENTER(H5Dread, FAIL);
H5TRACE6("e","iiiiix",dset_id,mem_type_id,mem_space_id,file_space_id,
@@ -643,7 +621,7 @@ H5Dread(hid_t dset_id, hid_t mem_type_id, hid_t mem_space_id,
}
}
if (H5P_DEFAULT == plist_id) {
- xfer_parms = &H5D_xfer_dflt;
+ xfer_parms = &H5F_xfer_dflt;
} else if (H5P_DATASET_XFER != H5P_get_class(plist_id) ||
NULL == (xfer_parms = H5I_object(plist_id))) {
HRETURN_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not xfer parms");
@@ -703,7 +681,7 @@ H5Dwrite(hid_t dset_id, hid_t mem_type_id, hid_t mem_space_id,
const H5T_t *mem_type = NULL;
const H5S_t *mem_space = NULL;
const H5S_t *file_space = NULL;
- const H5D_xfer_t *xfer_parms = NULL;
+ const H5F_xfer_t *xfer_parms = NULL;
FUNC_ENTER(H5Dwrite, FAIL);
H5TRACE6("e","iiiiix",dset_id,mem_type_id,mem_space_id,file_space_id,
@@ -742,7 +720,7 @@ H5Dwrite(hid_t dset_id, hid_t mem_type_id, hid_t mem_space_id,
}
}
if (H5P_DEFAULT == plist_id) {
- xfer_parms = &H5D_xfer_dflt;
+ xfer_parms = &H5F_xfer_dflt;
} else if (H5P_DATASET_XFER != H5P_get_class(plist_id) ||
NULL == (xfer_parms = H5I_object(plist_id))) {
HRETURN_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not xfer parms");
@@ -784,9 +762,9 @@ H5Dextend(hid_t dset_id, const hsize_t *size)
H5TRACE2("e","i*h",dset_id,size);
/* Check args */
- if (H5I_DATASET!=H5I_get_type (dset_id) ||
- NULL==(dset=H5I_object (dset_id))) {
- HRETURN_ERROR (H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataset");
+ if (H5I_DATASET!=H5I_get_type(dset_id) ||
+ NULL==(dset=H5I_object(dset_id))) {
+ HRETURN_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataset");
}
if (!size) {
HRETURN_ERROR (H5E_ARGS, H5E_BADVALUE, FAIL, "no size specified");
@@ -846,7 +824,7 @@ H5D_new(const H5D_create_t *create_parms)
done:
FUNC_LEAVE(ret_value);
-} /* end H5D_new() */
+}
/*-------------------------------------------------------------------------
@@ -1211,7 +1189,7 @@ H5D_open(H5G_entry_t *loc, const char *name)
done:
FUNC_LEAVE(ret_value);
-} /* end H5D_open() */
+}
/*-------------------------------------------------------------------------
* Function: H5D_open_oid
@@ -1364,7 +1342,7 @@ done:
H5MM_xfree(dataset);
}
FUNC_LEAVE(ret_value);
-} /* end H5D_open_oid() */
+}
/*-------------------------------------------------------------------------
* Function: H5D_close
@@ -1451,7 +1429,7 @@ H5D_close(H5D_t *dataset)
*/
herr_t
H5D_read(H5D_t *dataset, const H5T_t *mem_type, const H5S_t *mem_space,
- const H5S_t *file_space, const H5D_xfer_t *xfer_parms,
+ const H5S_t *file_space, const H5F_xfer_t *xfer_parms,
void *buf/*out*/)
{
hssize_t nelmts; /*number of elements */
@@ -1570,8 +1548,8 @@ H5D_read(H5D_t *dataset, const H5T_t *mem_type, const H5S_t *mem_space,
&(dataset->create_parms->pline),
&(dataset->create_parms->efl),
H5T_get_size (dataset->type), file_space,
- mem_space, xfer_parms->xfer_mode,
- buf/*out*/, &must_convert );
+ mem_space, xfer_parms, buf/*out*/,
+ &must_convert);
if (status<0) {
/* Supports only no conversion, type or space, for now. */
HGOTO_ERROR(H5E_DATASET, H5E_READERROR, FAIL,
@@ -1655,7 +1633,10 @@ H5D_read(H5D_t *dataset, const H5T_t *mem_type, const H5S_t *mem_space,
#endif
/* Start strip mining... */
- for (smine_start=0; smine_start<nelmts; smine_start+=smine_nelmts) {
+ assert(nelmts==(hssize_t)(size_t)nelmts); /*check for overflow*/
+ for (smine_start=0;
+ smine_start<(size_t)nelmts;
+ smine_start+=smine_nelmts) {
/* Go figure out how many elements to read from the file */
smine_nelmts = (sconv->f->avail)(file_space,&file_iter,
MIN(request_nelmts,
@@ -1803,7 +1784,7 @@ H5D_read(H5D_t *dataset, const H5T_t *mem_type, const H5S_t *mem_space,
*/
herr_t
H5D_write(H5D_t *dataset, const H5T_t *mem_type, const H5S_t *mem_space,
- const H5S_t *file_space, const H5D_xfer_t *xfer_parms,
+ const H5S_t *file_space, const H5F_xfer_t *xfer_parms,
const void *buf)
{
hssize_t nelmts; /*total number of elmts */
@@ -1934,8 +1915,8 @@ H5D_write(H5D_t *dataset, const H5T_t *mem_type, const H5S_t *mem_space,
&(dataset->create_parms->pline),
&(dataset->create_parms->efl),
H5T_get_size (dataset->type), file_space,
- mem_space, xfer_parms->xfer_mode, buf,
- &must_convert /*out*/ );
+ mem_space, xfer_parms, buf,
+ &must_convert/*out*/);
if (status<0) {
/* Supports only no conversion, type or space, for now. */
HGOTO_ERROR(H5E_DATASET, H5E_READERROR, FAIL,
@@ -2020,7 +2001,10 @@ H5D_write(H5D_t *dataset, const H5T_t *mem_type, const H5S_t *mem_space,
#endif
/* Start strip mining... */
- for (smine_start=0; smine_start<nelmts; smine_start+=smine_nelmts) {
+ assert(nelmts==(hssize_t)(size_t)nelmts); /*check for overflow*/
+ for (smine_start=0;
+ smine_start<(size_t)nelmts;
+ smine_start+=smine_nelmts) {
/* Go figure out how many elements to read from the file */
smine_nelmts = (sconv->f->avail)(file_space,&file_iter,
MIN(request_nelmts,
@@ -2422,7 +2406,7 @@ H5D_init_storage(H5D_t *dset, const H5S_t *space)
ndims++;
if (H5F_istore_allocate(dset->ent.file, &(dset->layout),
- dim, H5D_xfer_dflt.split_ratios,
+ dim, H5F_xfer_dflt.split_ratios,
&(dset->create_parms->pline),
&(dset->create_parms->fill))<0) {
HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL,
@@ -2441,3 +2425,80 @@ H5D_init_storage(H5D_t *dset, const H5S_t *space)
FUNC_LEAVE(ret_value);
}
+
+/*-------------------------------------------------------------------------
+ * Function: H5Dget_storage_size
+ *
+ * Purpose: Returns the amount of storage that is required for the
+ * dataset. For chunked datasets this is the number of allocated
+ * chunks times the chunk size.
+ *
+ * Return: Success: The amount of storage space allocated for the
+ * dataset, not counting meta data. The return
+ * value may be zero if no data has been stored.
+ *
+ * Failure: Zero
+ *
+ * Programmer: Robb Matzke
+ * Wednesday, April 21, 1999
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+hsize_t
+H5Dget_storage_size(hid_t dset_id)
+{
+ H5D_t *dset=NULL;
+ hsize_t size;
+
+ FUNC_ENTER(H5Dget_storage_size, 0);
+ H5TRACE1("h","i",dset_id);
+
+ /* Check args */
+ if (H5I_DATASET!=H5I_get_type(dset_id) ||
+ NULL==(dset=H5I_object(dset_id))) {
+ HRETURN_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataset");
+ }
+
+ size = H5D_get_storage_size(dset);
+ FUNC_LEAVE(size);
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5D_get_storage_size
+ *
+ * Purpose: Determines how much space has been reserved to store the raw
+ * data of a dataset.
+ *
+ * Return: Success: Number of bytes reserved to hold raw data.
+ *
+ * Failure: 0
+ *
+ * Programmer: Robb Matzke
+ * Wednesday, April 21, 1999
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+hsize_t
+H5D_get_storage_size(H5D_t *dset)
+{
+ hsize_t size;
+ int i;
+
+ FUNC_ENTER(H5D_get_storage_size, 0);
+
+ if (H5D_CHUNKED==dset->layout.type) {
+ size = H5F_istore_allocated(dset->ent.file, dset->layout.ndims,
+ &(dset->layout.addr));
+ } else {
+ for (i=0, size=1; i<dset->layout.ndims; i++) {
+ size *= dset->layout.dim[i];
+ }
+ }
+
+ FUNC_LEAVE(size);
+}
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