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authorQuincey Koziol <koziol@hdfgroup.org>2003-05-08 20:09:07 (GMT)
committerQuincey Koziol <koziol@hdfgroup.org>2003-05-08 20:09:07 (GMT)
commit390f1d02846803abfd46d30b3bd27894a30698c6 (patch)
treeaa0269135e97f1e92f0c33d970dac519d5025532
parent3fff86acfa11ab756a8f72f3a30478677fb7bcf6 (diff)
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[svn-r6837] Purpose:
Code cleanup. Description: Move many package or internal function prototypes and macro definitions into tighter scope according to their current use. Added more comments where appropriate. Eliminate ancient, unused functions. Added a couple "accessor" functions to get parts of data structures which were moved out of scope. Platforms tested: h5committested
-rw-r--r--src/H5A.c7
-rw-r--r--src/H5Apkg.h11
-rw-r--r--src/H5Aprivate.h13
-rw-r--r--src/H5D.c19
-rw-r--r--src/H5Distore.c4
-rw-r--r--src/H5Dpkg.h2
-rw-r--r--src/H5Dprivate.h2
-rw-r--r--src/H5F.c2
-rw-r--r--src/H5Fistore.c4
-rw-r--r--src/H5G.c25
-rw-r--r--src/H5Gprivate.h6
-rw-r--r--src/H5Oattr.c16
-rw-r--r--src/H5Odtype.c14
-rw-r--r--src/H5Ofill.c14
-rw-r--r--src/H5Pdcpl.c4
-rw-r--r--src/H5S.c88
-rw-r--r--src/H5Shyper.c6
-rw-r--r--src/H5Spkg.h51
-rw-r--r--src/H5Spoint.c6
-rw-r--r--src/H5Sprivate.h74
-rw-r--r--src/H5T.c61
-rw-r--r--src/H5Tconv.c4
-rw-r--r--src/H5Tpkg.h41
-rw-r--r--src/H5Tprivate.h64
24 files changed, 261 insertions, 277 deletions
diff --git a/src/H5A.c b/src/H5A.c
index ad4a357..7adae38 100644
--- a/src/H5A.c
+++ b/src/H5A.c
@@ -46,6 +46,9 @@ static int H5A_get_index(H5G_entry_t *ent, const char *name, hid_t dxpl_id);
static hsize_t H5A_get_storage_size(H5A_t *attr);
static herr_t H5A_rename(H5G_entry_t *ent, const char *old_name, const char *new_name, hid_t dxpl_id);
+/* The number of reserved IDs in dataset ID group */
+#define H5A_RESERVED_ATOMS 0
+
/*--------------------------------------------------------------------------
NAME
@@ -631,7 +634,7 @@ H5A_write(H5A_t *attr, const H5T_t *mem_type, const void *buf, hid_t dxpl_id)
/* Set up type conversion function */
if (NULL == (tpath = H5T_path_find(mem_type, attr->dt, NULL, NULL, dxpl_id))) {
HGOTO_ERROR(H5E_ATTR, H5E_UNSUPPORTED, FAIL, "unable to convert between src and dest data types");
- } else if (!H5T_IS_NOOP(tpath)) {
+ } else if (!H5T_path_noop(tpath)) {
if ((src_id = H5I_register(H5I_DATATYPE, H5T_copy(mem_type, H5T_COPY_ALL)))<0 ||
(dst_id = H5I_register(H5I_DATATYPE, H5T_copy(attr->dt, H5T_COPY_ALL)))<0)
HGOTO_ERROR(H5E_ATTR, H5E_CANTREGISTER, FAIL, "unable to register types for conversion");
@@ -784,7 +787,7 @@ H5A_read(H5A_t *attr, const H5T_t *mem_type, void *buf, hid_t dxpl_id)
/* Set up type conversion function */
if (NULL == (tpath = H5T_path_find(attr->dt, mem_type, NULL, NULL, dxpl_id))) {
HGOTO_ERROR(H5E_ATTR, H5E_UNSUPPORTED, FAIL, "unable to convert between src and dest data types");
- } else if (!H5T_IS_NOOP(tpath)) {
+ } else if (!H5T_path_noop(tpath)) {
if ((src_id = H5I_register(H5I_DATATYPE, H5T_copy(attr->dt, H5T_COPY_ALL)))<0 ||
(dst_id = H5I_register(H5I_DATATYPE, H5T_copy(mem_type, H5T_COPY_ALL)))<0)
HGOTO_ERROR(H5E_ATTR, H5E_CANTREGISTER, FAIL, "unable to register types for conversion");
diff --git a/src/H5Apkg.h b/src/H5Apkg.h
index bcfd74e..c66cf9c 100644
--- a/src/H5Apkg.h
+++ b/src/H5Apkg.h
@@ -34,9 +34,12 @@
# undef H5A_DEBUG
#endif
+/* Get package's private header */
#include "H5Aprivate.h"
-#include "H5HGprivate.h"
-#include "H5Sprivate.h"
+
+/* Other private headers needed by this file */
+#include "H5HGprivate.h" /* Global heaps */
+#include "H5Sprivate.h" /* Dataspace */
struct H5A_t {
unsigned initialized;/* Indicate whether the attribute has been modified */
@@ -53,6 +56,8 @@ struct H5A_t {
H5F_t *sh_file; /*file pointer if this is a shared attribute */
};
-/* Function prototypes for H5T package scope */
+/* Function prototypes for H5A package scope */
+H5_DLL H5A_t *H5A_copy(const H5A_t *old_attr);
+H5_DLL herr_t H5A_close(H5A_t *attr);
#endif
diff --git a/src/H5Aprivate.h b/src/H5Aprivate.h
index 2323040..8d694bc 100644
--- a/src/H5Aprivate.h
+++ b/src/H5Aprivate.h
@@ -18,17 +18,16 @@
#ifndef _H5Aprivate_H
#define _H5Aprivate_H
+/* Include package's public header */
#include "H5Apublic.h"
-#include "H5Gprivate.h"
-
-#define H5A_RESERVED_ATOMS 0
-typedef struct H5A_t H5A_t;
/* Private headers needed by this file */
+#include "H5Gprivate.h" /* Groups */
+
+/* Forward references of package typedefs */
+typedef struct H5A_t H5A_t;
-/* Functions defined in H5A.c */
-H5_DLL H5A_t *H5A_copy(const H5A_t *old_attr);
-H5_DLL herr_t H5A_close(H5A_t *attr);
+/* Library private functions in package */
H5_DLL H5G_entry_t *H5A_entof(H5A_t *attr);
#endif
diff --git a/src/H5D.c b/src/H5D.c
index 1713d71..49df6c3 100644
--- a/src/H5D.c
+++ b/src/H5D.c
@@ -20,7 +20,7 @@
#include "H5FDprivate.h" /* File drivers */
#include "H5FLprivate.h" /* Free Lists */
#include "H5FOprivate.h" /* File objects */
-#include "H5HLprivate.h" /* Name heap */
+#include "H5HLprivate.h" /* Local heaps */
#include "H5Iprivate.h" /* IDs */
#include "H5MMprivate.h" /* Memory management */
#include "H5Sprivate.h" /* Dataspace functions */
@@ -58,6 +58,17 @@ static herr_t H5D_extend(H5D_t *dataset, const hsize_t *size, hid_t dxpl_id);
static herr_t H5D_set_extent(H5D_t *dataset, const hsize_t *size, hid_t dxpl_id);
static herr_t H5D_close(H5D_t *dataset);
+/* Internal data structure for computing variable-length dataset's total size */
+typedef struct {
+ hid_t dataset_id; /* ID of the dataset we are working on */
+ hid_t fspace_id; /* ID of the file dataset's dataspace we are working on */
+ hid_t mspace_id; /* ID of the memory dataset's dataspace we are working on */
+ void *fl_tbuf; /* Ptr to the temporary buffer we are using for fixed-length data */
+ void *vl_tbuf; /* Ptr to the temporary buffer we are using for VL data */
+ hid_t xfer_pid; /* ID of the dataset xfer property list */
+ hsize_t size; /* Accumulated number of bytes for the selection */
+} H5D_vlen_bufsize_t;
+
/* Declare a free list to manage the H5D_t struct */
H5FL_DEFINE_STATIC(H5D_t);
@@ -2908,7 +2919,7 @@ done:
static void *
H5D_vlen_get_buf_size_alloc(size_t size, void *info)
{
- H5T_vlen_bufsize_t *vlen_bufsize=(H5T_vlen_bufsize_t *)info;
+ H5D_vlen_bufsize_t *vlen_bufsize=(H5D_vlen_bufsize_t *)info;
void *ret_value; /* Return value */
FUNC_ENTER_NOAPI(H5D_vlen_get_buf_size_alloc, NULL);
@@ -2955,7 +2966,7 @@ done:
static herr_t
H5D_vlen_get_buf_size(void UNUSED *elem, hid_t type_id, hsize_t UNUSED ndim, hssize_t *point, void *op_data)
{
- H5T_vlen_bufsize_t *vlen_bufsize=(H5T_vlen_bufsize_t *)op_data;
+ H5D_vlen_bufsize_t *vlen_bufsize=(H5D_vlen_bufsize_t *)op_data;
H5T_t *dt = NULL;
herr_t ret_value=0; /* The correct return value, if this function succeeds */
@@ -3015,7 +3026,7 @@ herr_t
H5Dvlen_get_buf_size(hid_t dataset_id, hid_t type_id, hid_t space_id,
hsize_t *size)
{
- H5T_vlen_bufsize_t vlen_bufsize = {0, 0, 0, 0, 0, 0, 0};
+ H5D_vlen_bufsize_t vlen_bufsize = {0, 0, 0, 0, 0, 0, 0};
char bogus; /* bogus value to pass to H5Diterate() */
H5P_genclass_t *pclass; /* Property class */
H5P_genplist_t *plist; /* Property list */
diff --git a/src/H5Distore.c b/src/H5Distore.c
index 9629963..3209814 100644
--- a/src/H5Distore.c
+++ b/src/H5Distore.c
@@ -44,9 +44,9 @@
#include "H5private.h" /* Generic Functions */
#include "H5Bprivate.h" /* B-link trees */
-#include "H5Dprivate.h" /* Dataset functions */
+#include "H5Dprivate.h" /* Datasets */
#include "H5Eprivate.h" /* Error handling */
-#include "H5Fpkg.h"
+#include "H5Fpkg.h" /* Files */
#include "H5FLprivate.h" /* Free Lists */
#include "H5Iprivate.h" /* IDs */
#include "H5MFprivate.h" /* File space management */
diff --git a/src/H5Dpkg.h b/src/H5Dpkg.h
index 093360b..23897dd 100644
--- a/src/H5Dpkg.h
+++ b/src/H5Dpkg.h
@@ -31,7 +31,7 @@
#include "H5Dprivate.h"
/* Other private headers needed by this file */
-#include "H5Gprivate.h" /* Group headers */
+#include "H5Gprivate.h" /* Groups */
#include "H5Oprivate.h" /* Object headers */
#include "H5Sprivate.h" /* Dataspace functions */
#include "H5Tprivate.h" /* Datatype functions */
diff --git a/src/H5Dprivate.h b/src/H5Dprivate.h
index 38c13b7..724c349 100644
--- a/src/H5Dprivate.h
+++ b/src/H5Dprivate.h
@@ -18,6 +18,7 @@
#ifndef _H5Dprivate_H
#define _H5Dprivate_H
+/* Include package's public header */
#include "H5Dpublic.h"
/* Private headers needed by this file */
@@ -172,5 +173,4 @@ H5_DLL herr_t H5D_xfer_copy(hid_t new_plist_id, hid_t old_plist_id,
H5_DLL herr_t H5D_xfer_close(hid_t dxpl_id, void *close_data);
H5_DLL herr_t H5D_flush(H5F_t *f, hid_t dxpl_id);
-
#endif
diff --git a/src/H5F.c b/src/H5F.c
index d03440f..c186db9 100644
--- a/src/H5F.c
+++ b/src/H5F.c
@@ -47,7 +47,7 @@
#include "H5FLprivate.h" /*Free Lists */
#include "H5FPprivate.h" /*Flexible Parallel HDF5 */
#include "H5Iprivate.h" /*object IDs */
-#include "H5Gprivate.h" /*symbol tables */
+#include "H5Gprivate.h" /* Groups */
#include "H5MMprivate.h" /*core memory management */
#include "H5Pprivate.h" /*property lists */
#include "H5Tprivate.h" /*data types */
diff --git a/src/H5Fistore.c b/src/H5Fistore.c
index 9629963..3209814 100644
--- a/src/H5Fistore.c
+++ b/src/H5Fistore.c
@@ -44,9 +44,9 @@
#include "H5private.h" /* Generic Functions */
#include "H5Bprivate.h" /* B-link trees */
-#include "H5Dprivate.h" /* Dataset functions */
+#include "H5Dprivate.h" /* Datasets */
#include "H5Eprivate.h" /* Error handling */
-#include "H5Fpkg.h"
+#include "H5Fpkg.h" /* Files */
#include "H5FLprivate.h" /* Free Lists */
#include "H5Iprivate.h" /* IDs */
#include "H5MFprivate.h" /* File space management */
diff --git a/src/H5G.c b/src/H5G.c
index 6b5e9ae..d04b611 100644
--- a/src/H5G.c
+++ b/src/H5G.c
@@ -89,21 +89,22 @@
#define H5F_PACKAGE /*suppress error about including H5Fpkg */
/* Packages needed by this file... */
-#include "H5private.h"
-#include "H5Aprivate.h"
-#include "H5Bprivate.h"
-#include "H5Dprivate.h"
-#include "H5Eprivate.h"
-#include "H5Fpkg.h" /*file access */
-#include "H5FLprivate.h" /*Free Lists */
-#include "H5Gpkg.h"
-#include "H5HLprivate.h"
-#include "H5Iprivate.h"
-#include "H5MMprivate.h"
-#include "H5Oprivate.h"
+#include "H5private.h" /* Generic Functions */
+#include "H5Aprivate.h" /* Attributes */
+#include "H5Bprivate.h" /* B-trees */
+#include "H5Dprivate.h" /* Dataset functions */
+#include "H5Eprivate.h" /* Error handling */
+#include "H5Fpkg.h" /* File access */
+#include "H5FLprivate.h" /* Free Lists */
+#include "H5Gpkg.h" /* Groups */
+#include "H5HLprivate.h" /* Local Heaps */
+#include "H5Iprivate.h" /* IDs */
+#include "H5MMprivate.h" /* Memory management */
+#include "H5Oprivate.h" /* Object headers */
#define H5G_INIT_HEAP 8192
#define H5G_RESERVED_ATOMS 0
+
#define PABLO_MASK H5G_mask
/* Interface initialization */
diff --git a/src/H5Gprivate.h b/src/H5Gprivate.h
index 64b7689..46a321b 100644
--- a/src/H5Gprivate.h
+++ b/src/H5Gprivate.h
@@ -34,9 +34,9 @@
#include "H5Gpublic.h"
/* Private headers needed by this file */
-#include "H5private.h"
-#include "H5Bprivate.h"
-#include "H5Fprivate.h"
+#include "H5private.h" /* Generic Functions */
+#include "H5Bprivate.h" /* B-trees */
+#include "H5Fprivate.h" /* File access */
#include "H5RSprivate.h" /* Reference-counted strings */
/*
diff --git a/src/H5Oattr.c b/src/H5Oattr.c
index 8b0326f..df6e740 100644
--- a/src/H5Oattr.c
+++ b/src/H5Oattr.c
@@ -16,14 +16,14 @@
#define H5O_PACKAGE /*suppress error about including H5Opkg */
#define H5S_PACKAGE /*suppress error about including H5Spkg */
-#include "H5private.h"
-#include "H5Apkg.h"
-#include "H5Eprivate.h"
-#include "H5FLprivate.h" /*Free Lists */
-#include "H5Gprivate.h"
-#include "H5MMprivate.h"
-#include "H5Opkg.h" /* Object header functions */
-#include "H5Spkg.h" /* Data spaces */
+#include "H5private.h" /* Generic Functions */
+#include "H5Apkg.h" /* Attributes */
+#include "H5Eprivate.h" /* Error handling */
+#include "H5FLprivate.h" /* Free Lists */
+#include "H5Gprivate.h" /* Groups */
+#include "H5MMprivate.h" /* Memory management */
+#include "H5Opkg.h" /* Object headers */
+#include "H5Spkg.h" /* Dataspaces */
#define PABLO_MASK H5O_attr_mask
diff --git a/src/H5Odtype.c b/src/H5Odtype.c
index 43d2aea..5b8b479 100644
--- a/src/H5Odtype.c
+++ b/src/H5Odtype.c
@@ -15,13 +15,13 @@
#define H5O_PACKAGE /*suppress error about including H5Opkg */
#define H5T_PACKAGE /*prevent warning from including H5Tpkg */
-#include "H5private.h"
-#include "H5Eprivate.h"
-#include "H5FLprivate.h" /*Free Lists */
-#include "H5Gprivate.h"
-#include "H5MMprivate.h"
-#include "H5Opkg.h" /* Object header functions */
-#include "H5Tpkg.h"
+#include "H5private.h" /* Generic Functions */
+#include "H5Eprivate.h" /* Error handling */
+#include "H5FLprivate.h" /* Free Lists */
+#include "H5Gprivate.h" /* Groups */
+#include "H5MMprivate.h" /* Memory management */
+#include "H5Opkg.h" /* Object headers */
+#include "H5Tpkg.h" /* Datatypes */
#define PABLO_MASK H5O_dtype_mask
diff --git a/src/H5Ofill.c b/src/H5Ofill.c
index 210b2de..8fbe390 100644
--- a/src/H5Ofill.c
+++ b/src/H5Ofill.c
@@ -21,13 +21,13 @@
#define H5O_PACKAGE /*suppress error about including H5Opkg */
-#include "H5private.h"
-#include "H5Eprivate.h"
-#include "H5FLprivate.h" /*Free Lists */
-#include "H5Iprivate.h"
-#include "H5MMprivate.h"
+#include "H5private.h" /* Generic Functions */
+#include "H5Eprivate.h" /* Error handling */
+#include "H5FLprivate.h" /* Free Lists */
+#include "H5Iprivate.h" /* IDs */
+#include "H5MMprivate.h" /* Memory management */
#include "H5Opkg.h" /* Object header functions */
-#include "H5Pprivate.h"
+#include "H5Pprivate.h" /* Property lists */
#define PABLO_MASK H5O_fill_mask
@@ -870,7 +870,7 @@ H5O_fill_convert(void *_fill, H5T_t *dset_type, hid_t dxpl_id)
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for type conversion");
HDmemcpy(buf, fill->buf, H5T_get_size(fill->type));
}
- if (tpath->cdata.need_bkg && NULL==(bkg=H5MM_malloc(H5T_get_size(dset_type))))
+ if (H5T_path_bkg(tpath) && NULL==(bkg=H5MM_malloc(H5T_get_size(dset_type))))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for type conversion");
/* Do the conversion */
diff --git a/src/H5Pdcpl.c b/src/H5Pdcpl.c
index 4787987..d52c3cf 100644
--- a/src/H5Pdcpl.c
+++ b/src/H5Pdcpl.c
@@ -1275,12 +1275,12 @@ H5Pget_fill_value(hid_t plist_id, hid_t type_id, void *value/*out*/)
*/
if (H5T_get_size(type)>=H5T_get_size(fill.type)) {
buf = value;
- if (tpath->cdata.need_bkg && NULL==(bkg=H5MM_malloc(H5T_get_size(type))))
+ if (H5T_path_bkg(tpath) && NULL==(bkg=H5MM_malloc(H5T_get_size(type))))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for type conversion");
} else {
if (NULL==(buf=H5MM_malloc(H5T_get_size(fill.type))))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for type conversion");
- if (tpath->cdata.need_bkg)
+ if (H5T_path_bkg(tpath))
bkg = value;
}
HDmemcpy(buf, fill.buf, H5T_get_size(fill.type));
diff --git a/src/H5S.c b/src/H5S.c
index 08212c4..61b2b04 100644
--- a/src/H5S.c
+++ b/src/H5S.c
@@ -24,6 +24,11 @@
#include "H5Spkg.h" /* Dataspace functions */
/* Local static function prototypes */
+static H5S_t * H5S_create(H5S_class_t type);
+static herr_t H5S_set_extent_simple (H5S_t *space, unsigned rank,
+ const hsize_t *dims, const hsize_t *max);
+static htri_t H5S_is_simple(const H5S_t *sdim);
+static herr_t H5S_extent_release(H5S_t *ds);
/* Interface initialization */
#define PABLO_MASK H5S_mask
@@ -295,7 +300,7 @@ H5S_term_interface(void)
EXAMPLES
REVISION LOG
--------------------------------------------------------------------------*/
-H5S_t *
+static H5S_t *
H5S_create(H5S_class_t type)
{
H5S_t *ret_value;
@@ -389,7 +394,7 @@ done:
*
*-------------------------------------------------------------------------
*/
-herr_t
+static herr_t
H5S_extent_release(H5S_t *ds)
{
herr_t ret_value=SUCCEED; /* Return value */
@@ -1222,81 +1227,6 @@ done:
}
-/*-------------------------------------------------------------------------
- * Function: H5S_cmp
- *
- * Purpose: Compares two data space extents.
- *
- * Return: Success: 0 if DS1 and DS2 are the same.
- * <0 if DS1 is less than DS2.
- * >0 if DS1 is greater than DS2.
- *
- * Failure: 0, never fails
- *
- * Programmer: Robb Matzke
- * Wednesday, December 10, 1997
- *
- * Modifications:
- * 6/9/98 Changed to only compare extents - QAK
- *
- *-------------------------------------------------------------------------
- */
-int
-H5S_cmp(const H5S_t *ds1, const H5S_t *ds2)
-{
- unsigned u;
- int ret_value=0; /* Return value */
-
- FUNC_ENTER_NOAPI(H5S_cmp, 0);
-
- /* check args */
- assert(ds1);
- assert(ds2);
-
- /* compare */
- if (ds1->extent.type < ds2->extent.type)
- HGOTO_DONE(-1);
- if (ds1->extent.type > ds2->extent.type)
- HGOTO_DONE(1);
-
- switch (ds1->extent.type) {
- case H5S_SIMPLE:
- if (ds1->extent.u.simple.rank < ds2->extent.u.simple.rank)
- HGOTO_DONE(-1);
- if (ds1->extent.u.simple.rank > ds2->extent.u.simple.rank)
- HGOTO_DONE(1);
-
- for (u = 0; u < ds1->extent.u.simple.rank; u++) {
- if (ds1->extent.u.simple.size[u] < ds2->extent.u.simple.size[u])
- HGOTO_DONE(-1);
- if (ds1->extent.u.simple.size[u] > ds2->extent.u.simple.size[u])
- HGOTO_DONE(1);
- }
-
- /* don't compare max dimensions */
-
-#ifdef LATER
- for (u = 0; u < ds1->extent.u.simple.rank; u++) {
- if ((ds1->extent.u.simple.perm ? ds1->extent.u.simple.perm[u] : u) <
- (ds2->extent.u.simple.perm ? ds2->extent.u.simple.perm[u] : i))
- HGOTO_DONE(-1);
- if ((ds1->extent.u.simple.perm ? ds2->extent.u.simple.perm[u] : u) >
- (ds2->extent.u.simple.perm ? ds2->extent.u.simple.perm[u] : i))
- HGOTO_DONE(1);
- }
-#endif
-
- break;
-
- default:
- assert("not implemented yet" && 0);
- }
-
-done:
- FUNC_LEAVE_NOAPI(ret_value);
-}
-
-
/*--------------------------------------------------------------------------
NAME
H5S_is_simple
@@ -1311,7 +1241,7 @@ done:
This function determines the if a dataspace is "simple". ie. if it
has orthogonal, evenly spaced dimensions.
--------------------------------------------------------------------------*/
-htri_t
+static htri_t
H5S_is_simple(const H5S_t *sdim)
{
htri_t ret_value;
@@ -1444,7 +1374,7 @@ done:
*
*-------------------------------------------------------------------------
*/
-herr_t
+static herr_t
H5S_set_extent_simple (H5S_t *space, unsigned rank, const hsize_t *dims,
const hsize_t *max)
{
diff --git a/src/H5Shyper.c b/src/H5Shyper.c
index 59858fe..c8b019d 100644
--- a/src/H5Shyper.c
+++ b/src/H5Shyper.c
@@ -41,6 +41,10 @@ static herr_t H5S_hyper_free_span (H5S_hyper_span_t *span);
static H5S_hyper_span_info_t *H5S_hyper_copy_span (H5S_hyper_span_info_t *spans);
static herr_t H5S_hyper_span_scratch (H5S_hyper_span_info_t *spans, void *scr_value);
static herr_t H5S_hyper_span_precompute (H5S_hyper_span_info_t *spans, size_t elmt_size);
+/* Needed for use in hyperslab code (H5Shyper.c) */
+#ifdef NEW_HYPERSLAB_API
+static herr_t H5S_select_select (H5S_t *space1, H5S_seloper_t op, H5S_t *space2);
+#endif /*NEW_HYPERSLAB_API*/
/* Declare a free list to manage the H5S_hyper_span_t struct */
H5FL_DEFINE_STATIC(H5S_hyper_span_t);
@@ -5518,7 +5522,7 @@ done:
*
*-------------------------------------------------------------------------
*/
-herr_t
+static herr_t
H5S_select_select (H5S_t *space1, H5S_seloper_t op, H5S_t *space2)
{
H5S_hyper_span_info_t *tmp_spans=NULL; /* Temporary copy of selection */
diff --git a/src/H5Spkg.h b/src/H5Spkg.h
index 7844d14..61f291f 100644
--- a/src/H5Spkg.h
+++ b/src/H5Spkg.h
@@ -29,6 +29,16 @@
#include "H5Sprivate.h"
+/* Number of reserved IDs in ID group */
+#define H5S_RESERVED_ATOMS 2
+
+/* Flags to indicate special dataspace features are active */
+#define H5S_VALID_MAX 0x01
+#define H5S_VALID_PERM 0x02
+
+/* Flags for "get_seq_list" methods */
+#define H5S_GET_SEQ_LIST_SORTED 0x0001
+
/*
* Dataspace extent information
*/
@@ -173,6 +183,10 @@ H5_DLL herr_t H5S_close_simple(H5S_simple_t *simple);
H5_DLL herr_t H5S_release_simple(H5S_simple_t *simple);
H5_DLL herr_t H5S_extent_copy(H5S_extent_t *dst, const H5S_extent_t *src);
+/* Operations on selections */
+H5_DLL herr_t H5S_select_copy(H5S_t *dst, const H5S_t *src);
+H5_DLL htri_t H5S_select_shape_same(const H5S_t *space1, const H5S_t *space2);
+
/* Point selection iterator functions */
H5_DLL herr_t H5S_point_iter_init(H5S_sel_iter_t *iter, const H5S_t *space, size_t elmt_size);
H5_DLL herr_t H5S_point_iter_coords(const H5S_sel_iter_t *iter, hssize_t *coords);
@@ -262,9 +276,38 @@ H5_DLL htri_t H5S_none_is_regular(const H5S_t *space);
H5_DLL herr_t H5S_none_get_seq_list(const H5S_t *space, unsigned flags,
H5S_sel_iter_t *iter, size_t elem_size, size_t maxseq, size_t maxbytes,
size_t *nseq, size_t *nbytes, hsize_t *off, size_t *len);
-/* Needed for use in hyperslab code (H5Shyper.c) */
-#ifdef NEW_HYPERSLAB_API
-H5_DLL herr_t H5S_select_select (H5S_t *space1, H5S_seloper_t op, H5S_t *space2);
-#endif /*NEW_HYPERSLAB_API*/
+
+#ifdef H5_HAVE_PARALLEL
+/* MPI-IO function to read directly from app buffer to file rky980813 */
+H5_DLL herr_t H5S_mpio_spaces_read(H5F_t *f,
+ const struct H5O_layout_t *layout,
+ H5P_genplist_t *dc_plist,
+ const H5O_efl_t *efl,
+ size_t elmt_size, const H5S_t *file_space,
+ const H5S_t *mem_space, hid_t dxpl_id,
+ void *buf/*out*/);
+
+/* MPI-IO function to write directly from app buffer to file rky980813 */
+H5_DLL herr_t H5S_mpio_spaces_write(H5F_t *f,
+ struct H5O_layout_t *layout,
+ H5P_genplist_t *dc_plist,
+ const H5O_efl_t *efl,
+ size_t elmt_size, const H5S_t *file_space,
+ const H5S_t *mem_space, hid_t dxpl_id,
+ const void *buf);
+
+/* MPI-IO function to check if a direct I/O transfer is possible between
+ * memory and the file */
+H5_DLL htri_t H5S_mpio_opt_possible(const H5S_t *mem_space,
+ const H5S_t *file_space, const unsigned flags);
+
+#ifndef _H5S_IN_H5S_C
+/* Global vars whose value comes from environment variable */
+/* (Defined in H5S.c) */
+H5_DLLVAR hbool_t H5S_mpi_opt_types_g;
+H5_DLLVAR hbool_t H5S_mpi_prefer_derived_types_g;
+#endif /* _H5S_IN_H5S_C */
+
+#endif /* H5_HAVE_PARALLEL */
#endif /*_H5Spkg_H*/
diff --git a/src/H5Spoint.c b/src/H5Spoint.c
index eefd599..9eab6bc 100644
--- a/src/H5Spoint.c
+++ b/src/H5Spoint.c
@@ -34,6 +34,10 @@
#define INTERFACE_INIT NULL
static int interface_initialize_g = 0;
+/* Static function prototypes */
+static herr_t H5S_select_elements (H5S_t *space, H5S_seloper_t op,
+ size_t num_elem, const hssize_t **coord);
+
/* Declare a free list to manage the H5S_pnt_node_t struct */
H5FL_DEFINE_STATIC(H5S_pnt_node_t);
@@ -419,7 +423,7 @@ done:
EXAMPLES
REVISION LOG
--------------------------------------------------------------------------*/
-herr_t
+static herr_t
H5S_select_elements (H5S_t *space, H5S_seloper_t op, size_t num_elem,
const hssize_t **coord)
{
diff --git a/src/H5Sprivate.h b/src/H5Sprivate.h
index 6ca9802..36675ea 100644
--- a/src/H5Sprivate.h
+++ b/src/H5Sprivate.h
@@ -21,17 +21,12 @@
#include "H5Spublic.h"
/* Private headers needed by this file */
-#include "H5private.h"
-#include "H5Dpublic.h"
-#include "H5Fprivate.h"
-#include "H5Oprivate.h"
-#include "H5Pprivate.h"
-
-#define H5S_RESERVED_ATOMS 2
-
-/* Flags to indicate special dataspace features are active */
-#define H5S_VALID_MAX 0x01
-#define H5S_VALID_PERM 0x02
+#include "H5private.h" /* Generic Functions */
+#include "H5Dprivate.h" /* Dataset functions */
+#include "H5Fprivate.h" /* Files */
+#include "H5Gprivate.h" /* Groups */
+#include "H5Oprivate.h" /* Object headers */
+#include "H5Pprivate.h" /* Property lists */
/* Flags for H5S_find */
#define H5S_CONV_PAR_IO_POSSIBLE 0x0001
@@ -42,16 +37,12 @@
#define H5S_CONV_STORAGE_CHUNKED 0x0004 /* i.e. '2' */
#define H5S_CONV_STORAGE_MASK 0x0006
-/* Flags for "get_seq_list" methods */
-#define H5S_GET_SEQ_LIST_SORTED 0x0001
-
-/* Forward references of common typedefs */
+/* Forward references of package typedefs */
typedef struct H5S_t H5S_t;
typedef struct H5S_pnt_node_t H5S_pnt_node_t;
typedef struct H5S_hyper_span_t H5S_hyper_span_t;
typedef struct H5S_hyper_span_info_t H5S_hyper_span_info_t;
typedef struct H5S_hyper_dim_t H5S_hyper_dim_t;
-union H5D_storage_t;
/* Point selection iteration container */
typedef struct {
@@ -128,7 +119,7 @@ typedef struct H5S_conv_t {
/* Read from file to application w/o intermediate scratch buffer */
herr_t (*read)(H5F_t *f, const struct H5O_layout_t *layout,
- H5P_genplist_t *dc_plist, const union H5D_storage_t *store,
+ H5P_genplist_t *dc_plist, const H5D_storage_t *store,
size_t elmt_size, const H5S_t *file_space,
const H5S_t *mem_space, hid_t dxpl_id, void *buf/*out*/);
@@ -160,9 +151,7 @@ typedef struct H5S_conv_t {
#endif
} H5S_conv_t;
-/* We get the declaration of H5G_entry_t from the H5Oprivate.h file */
-
-H5_DLL H5S_t *H5S_create(H5S_class_t type);
+/* Operations on dataspaces */
H5_DLL H5S_t *H5S_copy(const H5S_t *src);
H5_DLL herr_t H5S_close(H5S_t *ds);
H5_DLL H5S_conv_t *H5S_find(const H5S_t *mem_space, const H5S_t *file_space,
@@ -173,15 +162,10 @@ H5_DLL hsize_t H5S_get_npoints_max(const H5S_t *ds);
H5_DLL int H5S_get_simple_extent_ndims(const H5S_t *ds);
H5_DLL int H5S_get_simple_extent_dims(const H5S_t *ds, hsize_t dims[]/*out*/,
hsize_t max_dims[]/*out*/);
-H5_DLL herr_t H5S_set_extent_simple (H5S_t *space, unsigned rank, const hsize_t *dims,
- const hsize_t *max);
H5_DLL herr_t H5S_modify(struct H5G_entry_t *ent, const H5S_t *space,
hbool_t update_time, hid_t dxpl_id);
H5_DLL herr_t H5S_append(H5F_t *f, hid_t dxpl_id, struct H5O_t *oh, const H5S_t *ds);
H5_DLL H5S_t *H5S_read(struct H5G_entry_t *ent, hid_t dxpl_id);
-H5_DLL int H5S_cmp(const H5S_t *ds1, const H5S_t *ds2);
-H5_DLL htri_t H5S_is_simple(const H5S_t *sdim);
-H5_DLL herr_t H5S_extent_release(H5S_t *space);
H5_DLL int H5S_extend(H5S_t *space, const hsize_t *size);
H5_DLL int H5S_set_extent(H5S_t *space, const hsize_t *size);
H5_DLL H5S_t *H5S_create_simple(unsigned rank, const hsize_t dims[/*rank*/],
@@ -190,10 +174,8 @@ H5_DLL herr_t H5S_debug(H5F_t *f, hid_t dxpl_id, const void *_mesg, FILE *stream
int indent, int fwidth);
/* Operations on selections */
-H5_DLL herr_t H5S_select_copy(H5S_t *dst, const H5S_t *src);
H5_DLL herr_t H5S_select_deserialize(H5S_t *space, const uint8_t *buf);
H5_DLL H5S_sel_type H5S_get_select_type(const H5S_t *space);
-H5_DLL htri_t H5S_select_shape_same(const H5S_t *space1, const H5S_t *space2);
H5_DLL herr_t H5S_select_iterate(void *buf, hid_t type_id, const H5S_t *space,
H5D_operator_t op, void *operator_data);
H5_DLL herr_t H5S_select_fill(void *fill, size_t fill_size,
@@ -220,11 +202,6 @@ H5_DLL herr_t H5S_select_write(H5F_t *f, struct H5O_layout_t *layout,
H5P_genplist_t *dc_plist, const union H5D_storage_t *store, size_t elmt_size,
const H5S_t *file_space, const H5S_t *mem_space, hid_t dxpl_id,
const void *buf/*out*/);
-H5_DLL herr_t H5S_select_elements (H5S_t *space, H5S_seloper_t op,
- size_t num_elem, const hssize_t **coord);
-#ifdef NEW_HYPERSLAB_API
-H5_DLL herr_t H5S_select_select (H5S_t *space1, H5S_seloper_t op, H5S_t *space2);
-#endif /*NEW_HYPERSLAB_API */
H5_DLL htri_t H5S_select_valid(const H5S_t *space);
H5_DLL hssize_t H5S_get_select_npoints(const H5S_t *space);
H5_DLL herr_t H5S_select_all(H5S_t *space, unsigned rel_prev);
@@ -243,37 +220,4 @@ H5_DLL hsize_t H5S_select_iter_nelmts(const H5S_sel_iter_t *sel_iter);
H5_DLL herr_t H5S_select_iter_next(H5S_sel_iter_t *sel_iter, size_t nelem);
H5_DLL herr_t H5S_select_iter_release(H5S_sel_iter_t *sel_iter);
-#ifdef H5_HAVE_PARALLEL
-/* MPI-IO function to read directly from app buffer to file rky980813 */
-H5_DLL herr_t H5S_mpio_spaces_read(H5F_t *f,
- const struct H5O_layout_t *layout,
- H5P_genplist_t *dc_plist,
- const H5O_efl_t *efl,
- size_t elmt_size, const H5S_t *file_space,
- const H5S_t *mem_space, hid_t dxpl_id,
- void *buf/*out*/);
-
-/* MPI-IO function to write directly from app buffer to file rky980813 */
-H5_DLL herr_t H5S_mpio_spaces_write(H5F_t *f,
- struct H5O_layout_t *layout,
- H5P_genplist_t *dc_plist,
- const H5O_efl_t *efl,
- size_t elmt_size, const H5S_t *file_space,
- const H5S_t *mem_space, hid_t dxpl_id,
- const void *buf);
-
-/* MPI-IO function to check if a direct I/O transfer is possible between
- * memory and the file */
-H5_DLL htri_t H5S_mpio_opt_possible(const H5S_t *mem_space,
- const H5S_t *file_space, const unsigned flags);
-
-#ifndef _H5S_IN_H5S_C
-/* Global vars whose value comes from environment variable */
-/* (Defined in H5S.c) */
-H5_DLLVAR hbool_t H5S_mpi_opt_types_g;
-H5_DLLVAR hbool_t H5S_mpi_prefer_derived_types_g;
-#endif /* _H5S_IN_H5S_C */
-
-#endif /* H5_HAVE_PARALLEL */
-
#endif /* _H5Sprivate_H */
diff --git a/src/H5T.c b/src/H5T.c
index 7f5f7a9..6179ff4 100644
--- a/src/H5T.c
+++ b/src/H5T.c
@@ -21,10 +21,10 @@
#define H5T_PACKAGE /*suppress error about including H5Tpkg */
-#include "H5private.h" /*generic functions */
-#include "H5Dprivate.h" /*datasets (for H5Tcopy) */
-#include "H5Eprivate.h" /*error handling */
-#include "H5FLprivate.h" /*Free Lists */
+#include "H5private.h" /*generic functions */
+#include "H5Dprivate.h" /*datasets (for H5Tcopy) */
+#include "H5Eprivate.h" /*error handling */
+#include "H5FLprivate.h" /* Free Lists */
#include "H5Gprivate.h" /*groups */
#include "H5Iprivate.h" /*ID functions */
#include "H5MMprivate.h" /*memory management */
@@ -4757,6 +4757,59 @@ done:
/*-------------------------------------------------------------------------
+ * Function: H5T_path_noop
+ *
+ * Purpose: Is the path the special no-op path? The no-op function can be
+ * set by the application and there might be more than one no-op
+ * path in a multi-threaded application if one thread is using
+ * the no-op path when some other thread changes its definition.
+ *
+ * Return: TRUE/FALSE (can't fail)
+ *
+ * Programmer: Quincey Koziol
+ * Thursday, May 8, 2003
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+hbool_t
+H5T_path_noop(const H5T_path_t *p)
+{
+ FUNC_ENTER_NOINIT(H5T_path_noop);
+
+ assert(p);
+
+ FUNC_LEAVE_NOAPI(p->is_hard && 0==H5T_cmp(p->src, p->dst));
+} /* end H5T_path_noop() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5T_path_bkg
+ *
+ * Purpose: Get the "background" flag for the conversion path.
+ *
+ * Return: Background flag (can't fail)
+ *
+ * Programmer: Quincey Koziol
+ * Thursday, May 8, 2003
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+H5T_bkg_t
+H5T_path_bkg(const H5T_path_t *p)
+{
+ FUNC_ENTER_NOINIT(H5T_path_bkg);
+
+ assert(p);
+
+ FUNC_LEAVE_NOAPI(p->cdata.need_bkg);
+} /* end H5T_path_bkg() */
+
+
+/*-------------------------------------------------------------------------
* Function: H5T_convert
*
* Purpose: Call a conversion function to convert from source to
diff --git a/src/H5Tconv.c b/src/H5Tconv.c
index 5f195d1..13a6737 100644
--- a/src/H5Tconv.c
+++ b/src/H5Tconv.c
@@ -2226,7 +2226,7 @@ H5T_conv_vlen(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata, hsize_t nelmts,
/* Set up conversion path for base elements */
if (NULL==(tpath=H5T_path_find(src->parent, dst->parent, NULL, NULL, dxpl_id))) {
HGOTO_ERROR(H5E_DATATYPE, H5E_UNSUPPORTED, FAIL, "unable to convert between src and dest datatypes");
- } else if (!H5T_IS_NOOP(tpath)) {
+ } else if (!H5T_path_noop(tpath)) {
if ((tsrc_id = H5I_register(H5I_DATATYPE, H5T_copy(src->parent, H5T_COPY_ALL)))<0 ||
(tdst_id = H5I_register(H5I_DATATYPE, H5T_copy(dst->parent, H5T_COPY_ALL)))<0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTREGISTER, FAIL, "unable to register types for conversion");
@@ -2475,7 +2475,7 @@ H5T_conv_array(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata, hsize_t nelmts,
/* Set up conversion path for base elements */
if (NULL==(tpath=H5T_path_find(src->parent, dst->parent, NULL, NULL, dxpl_id))) {
HGOTO_ERROR(H5E_DATATYPE, H5E_UNSUPPORTED, FAIL, "unable to convert between src and dest datatypes");
- } else if (!H5T_IS_NOOP(tpath)) {
+ } else if (!H5T_path_noop(tpath)) {
if ((tsrc_id = H5I_register(H5I_DATATYPE, H5T_copy(src->parent, H5T_COPY_ALL)))<0 ||
(tdst_id = H5I_register(H5I_DATATYPE, H5T_copy(dst->parent, H5T_COPY_ALL)))<0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTREGISTER, FAIL, "unable to register types for conversion");
diff --git a/src/H5Tpkg.h b/src/H5Tpkg.h
index 23da545..6fccdba 100644
--- a/src/H5Tpkg.h
+++ b/src/H5Tpkg.h
@@ -34,12 +34,45 @@
# undef H5T_DEBUG
#endif
-#include "H5HGprivate.h"
-#include "H5Dprivate.h"
-#include "H5Fprivate.h"
-#include "H5Rprivate.h"
+/* Get package's private header */
#include "H5Tprivate.h"
+#include "H5Dprivate.h" /* Datasets */
+#include "H5Fprivate.h" /* Files */
+#include "H5HGprivate.h" /* Global heaps */
+
+/* Number of reserved IDs in ID group */
+#define H5T_RESERVED_ATOMS 8
+
+/* Length of debugging name buffer */
+#define H5T_NAMELEN 32
+
+/* Statistics about a conversion function */
+struct H5T_stats_t {
+ unsigned ncalls; /*num calls to conversion function */
+ hsize_t nelmts; /*total data points converted */
+ H5_timer_t timer; /*total time for conversion */
+};
+
+/* The data type conversion database */
+struct H5T_path_t {
+ char name[H5T_NAMELEN]; /*name for debugging only */
+ H5T_t *src; /*source data type ID */
+ H5T_t *dst; /*destination data type ID */
+ H5T_conv_t func; /*data conversion function */
+ hbool_t is_hard; /*is it a hard function? */
+ H5T_stats_t stats; /*statistics for the conversion */
+ H5T_cdata_t cdata; /*data for this function */
+};
+
+/* VL types */
+typedef enum {
+ H5T_VLEN_BADTYPE = -1, /* invalid VL Type */
+ H5T_VLEN_SEQUENCE=0, /* VL sequence */
+ H5T_VLEN_STRING, /* VL string */
+ H5T_VLEN_MAXTYPE /* highest type (Invalid as true type) */
+} H5T_vlen_type_t;
+
typedef struct H5T_atomic_t {
H5T_order_t order; /*byte order */
size_t prec; /*precision in bits */
diff --git a/src/H5Tprivate.h b/src/H5Tprivate.h
index ddbd42d..deccfc5 100644
--- a/src/H5Tprivate.h
+++ b/src/H5Tprivate.h
@@ -21,14 +21,14 @@
#include "H5Tpublic.h"
/* Private headers needed by this file */
-#include "H5private.h"
-#include "H5Gprivate.h" /*for H5G_entry_t */
-#include "H5Rprivate.h" /*for H5R_type_t */
-
-#define H5T_RESERVED_ATOMS 8
-#define H5T_NAMELEN 32 /*length of debugging name buffer */
+#include "H5private.h" /* Generic Functions */
+#include "H5Gprivate.h" /* Groups */
+#include "H5Rprivate.h" /* References */
+/* Forward references of package typedefs */
typedef struct H5T_t H5T_t;
+typedef struct H5T_stats_t H5T_stats_t;
+typedef struct H5T_path_t H5T_path_t;
/* How to copy a data type */
typedef enum H5T_copy_t {
@@ -37,34 +37,7 @@ typedef enum H5T_copy_t {
H5T_COPY_REOPEN
} H5T_copy_t;
-/* Statistics about a conversion function */
-typedef struct H5T_stats_t {
- unsigned ncalls; /*num calls to conversion function */
- hsize_t nelmts; /*total data points converted */
- H5_timer_t timer; /*total time for conversion */
-} H5T_stats_t;
-
-/* The data type conversion database */
-typedef struct H5T_path_t {
- char name[H5T_NAMELEN]; /*name for debugging only */
- H5T_t *src; /*source data type ID */
- H5T_t *dst; /*destination data type ID */
- H5T_conv_t func; /*data conversion function */
- hbool_t is_hard; /*is it a hard function? */
- H5T_stats_t stats; /*statistics for the conversion */
- H5T_cdata_t cdata; /*data for this function */
-} H5T_path_t;
-
-/*
- * VL types allowed.
- */
-typedef enum {
- H5T_VLEN_BADTYPE = -1, /* invalid VL Type */
- H5T_VLEN_SEQUENCE=0, /* VL sequence */
- H5T_VLEN_STRING, /* VL string */
- H5T_VLEN_MAXTYPE /* highest type (Invalid as true type) */
-} H5T_vlen_type_t;
-
+/* Location of VL information */
typedef enum {
H5T_VLEN_BADLOC = 0, /* invalid VL Type */
H5T_VLEN_MEMORY, /* VL data stored in memory */
@@ -72,27 +45,6 @@ typedef enum {
H5T_VLEN_MAXLOC /* highest type (Invalid as true type) */
} H5T_vlen_loc_t;
-/*
- * Internal data structure for passing information to H5T_vlen_get_buf_size
- */
-typedef struct {
- hid_t dataset_id; /* ID of the dataset we are working on */
- hid_t fspace_id; /* ID of the file dataset's dataspace we are working on */
- hid_t mspace_id; /* ID of the memory dataset's dataspace we are working on */
- void *fl_tbuf; /* Ptr to the temporary buffer we are using for fixed-length data */
- void *vl_tbuf; /* Ptr to the temporary buffer we are using for VL data */
- hid_t xfer_pid; /* ID of the dataset xfer property list */
- hsize_t size; /* Accumulated number of bytes for the selection */
-} H5T_vlen_bufsize_t;
-
-/*
- * Is the path the special no-op path? The no-op function can be set by the
- * application and there might be more than one no-op path in a
- * multi-threaded application if one thread is using the no-op path when some
- * other thread changes its definition.
- */
-#define H5T_IS_NOOP(P) ((P)->is_hard && 0==H5T_cmp((P)->src, (P)->dst))
-
/* Private functions */
H5_DLL herr_t H5TN_init_interface(void);
H5_DLL herr_t H5T_init(void);
@@ -111,6 +63,8 @@ H5_DLL htri_t H5T_is_immutable(H5T_t *dt);
H5_DLL htri_t H5T_is_named(H5T_t *dt);
H5_DLL H5T_path_t *H5T_path_find(const H5T_t *src, const H5T_t *dst,
const char *name, H5T_conv_t func, hid_t dxpl_id);
+H5_DLL hbool_t H5T_path_noop(const H5T_path_t *p);
+H5_DLL H5T_bkg_t H5T_path_bkg(const H5T_path_t *p);
H5_DLL herr_t H5T_convert(H5T_path_t *tpath, hid_t src_id, hid_t dst_id,
hsize_t nelmts, size_t buf_stride, size_t bkg_stride,
void *buf, void *bkg, hid_t dset_xfer_plist);