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-rw-r--r--src/H5Distore.c109
1 files changed, 76 insertions, 33 deletions
diff --git a/src/H5Distore.c b/src/H5Distore.c
index b52288c..96ef5fc 100644
--- a/src/H5Distore.c
+++ b/src/H5Distore.c
@@ -29,8 +29,8 @@ static hbool_t interface_initialize_g = FALSE;
/* PRIVATE PROTOTYPES */
static size_t H5F_istore_sizeof_rkey (H5F_t *f, const void *_udata);
-static haddr_t H5F_istore_new (H5F_t *f, void *_lt_key, void *_udata,
- void *_rt_key);
+static haddr_t H5F_istore_new_node (H5F_t *f, void *_lt_key, void *_udata,
+ void *_rt_key);
static intn H5F_istore_cmp (H5F_t *f, void *_lt_key, void *_udata,
void *_rt_key);
static herr_t H5F_istore_found (H5F_t *f, haddr_t addr, const void *_lt_key,
@@ -43,10 +43,12 @@ static herr_t H5F_istore_decode_key (H5F_t *f, H5B_t *bt, uint8 *raw,
void *_key);
static herr_t H5F_istore_encode_key (H5F_t *f, H5B_t *bt, uint8 *raw,
void *_key);
-static herr_t H5F_istore_copy_hyperslab (H5F_t *f, H5O_istore_t *istore,
- H5F_isop_t op, size_t offset_f[],
- size_t size[], size_t offset_m[],
- size_t size_m[], void *buf);
+static herr_t H5F_istore_copy_hyperslab (H5F_t *f, const H5O_istore_t *istore,
+ H5F_isop_t op,
+ const size_t offset_f[],
+ const size_t size[],
+ const size_t offset_m[],
+ const size_t size_m[], void *buf);
/*
@@ -79,7 +81,7 @@ H5B_class_t H5B_ISTORE[1] = {{
H5B_ISTORE_ID, /*id */
sizeof (H5F_istore_key_t), /*sizeof_nkey */
H5F_istore_sizeof_rkey, /*get_sizeof_rkey */
- H5F_istore_new, /*new */
+ H5F_istore_new_node, /*new */
H5F_istore_cmp, /*cmp */
H5F_istore_found, /*found */
H5F_istore_insert, /*insert */
@@ -262,7 +264,7 @@ H5F_istore_cmp (H5F_t *f, void *_lt_key, void *_udata, void *_rt_key)
/*-------------------------------------------------------------------------
- * Function: H5F_istore_new
+ * Function: H5F_istore_new_node
*
* Purpose: Adds a new entry to an i-storage B-tree. We can assume that
* the domain represented by UDATA doesn't intersect the domain
@@ -281,7 +283,7 @@ H5F_istore_cmp (H5F_t *f, void *_lt_key, void *_udata, void *_rt_key)
*-------------------------------------------------------------------------
*/
static haddr_t
-H5F_istore_new (H5F_t *f, void *_lt_key, void *_udata, void *_rt_key)
+H5F_istore_new_node (H5F_t *f, void *_lt_key, void *_udata, void *_rt_key)
{
H5F_istore_key_t *lt_key = (H5F_istore_key_t *)_lt_key;
H5F_istore_key_t *rt_key = (H5F_istore_key_t *)_rt_key;
@@ -289,7 +291,7 @@ H5F_istore_new (H5F_t *f, void *_lt_key, void *_udata, void *_rt_key)
size_t nbytes;
intn i;
- FUNC_ENTER (H5F_istore_new, NULL, FAIL);
+ FUNC_ENTER (H5F_istore_new_node, NULL, FAIL);
/* check args */
assert (f);
@@ -519,9 +521,10 @@ H5F_istore_insert (H5F_t *f, haddr_t addr, H5B_ins_t *parent_ins,
*-------------------------------------------------------------------------
*/
static herr_t
-H5F_istore_copy_hyperslab (H5F_t *f, H5O_istore_t *istore, H5F_isop_t op,
- size_t offset_f[], size_t size[],
- size_t offset_m[], size_t size_m[], void *buf)
+H5F_istore_copy_hyperslab (H5F_t *f, const H5O_istore_t *istore, H5F_isop_t op,
+ const size_t offset_f[], const size_t size[],
+ const size_t offset_m[], const size_t size_m[],
+ void *buf)
{
intn i, carry;
size_t idx_cur[H5O_ISTORE_NDIMS];
@@ -542,6 +545,7 @@ H5F_istore_copy_hyperslab (H5F_t *f, H5O_istore_t *istore, H5F_isop_t op,
/* check args */
assert (f);
assert (istore);
+ assert (istore->btree_addr>0);
assert (istore->ndims>0 && istore->ndims<=H5O_ISTORE_NDIMS);
assert (H5F_ISTORE_READ==op || H5F_ISTORE_WRITE==op);
assert (size);
@@ -559,22 +563,6 @@ H5F_istore_copy_hyperslab (H5F_t *f, H5O_istore_t *istore, H5F_isop_t op,
}
#endif
- /*
- * Does the B-tree exist?
- */
- if (istore->btree_addr<=0) {
- if (H5F_ISTORE_WRITE==op) {
- udata.mesg.ndims = istore->ndims;
- if ((istore->btree_addr=H5B_new (f, H5B_ISTORE, &udata))<0) {
- /* Can't create B-tree */
- HGOTO_ERROR (H5E_IO, H5E_CANTINIT, FAIL);
- }
- } else {
- H5V_hyper_fill (istore->ndims, size, size_m, offset_m, buf, 0);
- HRETURN (SUCCEED);
- }
- }
-
/* Initialize indices */
for (i=0; i<istore->ndims; i++) {
idx_min[i] = (offset_f?offset_f[i]:0) / istore->alignment[i];
@@ -677,8 +665,8 @@ H5F_istore_copy_hyperslab (H5F_t *f, H5O_istore_t *istore, H5F_isop_t op,
*-------------------------------------------------------------------------
*/
herr_t
-H5F_istore_read (H5F_t *f, struct H5O_istore_t *istore,
- size_t offset[], size_t size[], void *buf)
+H5F_istore_read (H5F_t *f, const H5O_istore_t *istore,
+ const size_t offset[], const size_t size[], void *buf)
{
FUNC_ENTER (H5F_istore_read, NULL, FAIL);
@@ -717,8 +705,8 @@ H5F_istore_read (H5F_t *f, struct H5O_istore_t *istore,
*-------------------------------------------------------------------------
*/
herr_t
-H5F_istore_write (H5F_t *f, struct H5O_istore_t *istore,
- size_t offset[], size_t size[], void *buf)
+H5F_istore_write (H5F_t *f, const H5O_istore_t *istore,
+ const size_t offset[], const size_t size[], void *buf)
{
FUNC_ENTER (H5F_istore_write, NULL, FAIL);
@@ -738,3 +726,58 @@ H5F_istore_write (H5F_t *f, struct H5O_istore_t *istore,
FUNC_LEAVE (SUCCEED);
}
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5F_istore_new
+ *
+ * Purpose: Creates a new indexed-storage B-tree and initializes the
+ * istore struct with information about the storage. The
+ * struct should be immediately written to the object header.
+ *
+ * This function must be called before passing ISTORE to any of
+ * the other indexed storage functions!
+ *
+ * Return: Success: SUCCEED with the ISTORE argument initialized
+ * and ready to write to an object header.
+ *
+ * Failure: FAIL
+ *
+ * Programmer: Robb Matzke
+ * Tuesday, October 21, 1997
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5F_istore_new (H5F_t *f, struct H5O_istore_t *istore,
+ uintn ndims, const size_t alignment[])
+{
+ H5F_istore_ud1_t udata;
+ int i;
+
+ FUNC_ENTER (H5F_istore_new, NULL, FAIL);
+
+ /* Check args */
+ assert (f);
+ assert (istore);
+ assert (ndims>0 && ndims<=H5O_ISTORE_NDIMS);
+ assert (alignment);
+#ifndef NDEBUG
+ for (i=0; i<ndims; i++) {
+ assert (alignment[i]>0);
+ }
+#endif
+
+ udata.mesg.ndims = istore->ndims = ndims;
+ if ((istore->btree_addr=H5B_new (f, H5B_ISTORE, &udata))<0) {
+ HRETURN_ERROR (H5E_IO, H5E_CANTINIT, FAIL); /* Can't create B-tree */
+ }
+
+ for (i=0; i<ndims; i++) {
+ istore->alignment[i] = alignment[i];
+ }
+
+ FUNC_LEAVE (SUCCEED);
+}
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