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-rw-r--r--src/H5Gobj.c93
1 files changed, 72 insertions, 21 deletions
diff --git a/src/H5Gobj.c b/src/H5Gobj.c
index f262c4b..e91b162 100644
--- a/src/H5Gobj.c
+++ b/src/H5Gobj.c
@@ -77,7 +77,7 @@ typedef struct {
* a new-format group
*/
typedef struct {
- H5O_loc_t *grp_oloc; /* Pointer to group for insertion */
+ const H5O_loc_t *grp_oloc; /* Pointer to group for insertion */
hid_t dxpl_id; /* DXPL during insertion */
} H5G_obj_stab_it_ud1_t;
@@ -308,6 +308,57 @@ H5G_obj_ent_encode(const H5F_t *f, uint8_t **pp, const H5O_loc_t *oloc)
/*-------------------------------------------------------------------------
+ * Function: H5G_obj_get_linfo
+ *
+ * Purpose: Retrieves the "link info" message for an object. Also
+ * sets the number of links correctly, if it isn't set up yet.
+ *
+ * Return: Success: Ptr to message in native format.
+ * Failure: NULL
+ *
+ * Programmer: Quincey Koziol
+ * koziol@hdfgroup.org
+ * Mar 11 2007
+ *
+ *-------------------------------------------------------------------------
+ */
+H5O_linfo_t *
+H5G_obj_get_linfo(const H5O_loc_t *grp_oloc, H5O_linfo_t *linfo, hid_t dxpl_id)
+{
+ H5O_linfo_t *ret_value; /* Return value */
+
+ FUNC_ENTER_NOAPI(H5G_obj_get_linfo, NULL)
+
+ /* check arguments */
+ HDassert(grp_oloc);
+
+ /* Retrieve the "link info" structure */
+ if(ret_value = H5O_msg_read(grp_oloc, H5O_LINFO_ID, linfo, dxpl_id)) {
+ /* Check if we don't know how many links there are */
+ if(ret_value->nlinks == HSIZET_MAX) {
+ /* Check if we are using "dense" link storage */
+ if(H5F_addr_defined(ret_value->fheap_addr)) {
+ /* Retrieve # of records in "name" B-tree */
+ /* (should be same # of records in all indices) */
+ if(H5B2_get_nrec(grp_oloc->file, dxpl_id, H5G_BT2_NAME, ret_value->name_bt2_addr, &ret_value->nlinks) < 0)
+ HGOTO_ERROR(H5E_SYM, H5E_CANTGET, NULL, "can't retrieve # of records in index")
+ } /* end if */
+ else {
+ /* Retrieve # of links from object header */
+ if(H5O_get_nlinks(grp_oloc, dxpl_id, &ret_value->nlinks) < 0)
+ HGOTO_ERROR(H5E_SYM, H5E_CANTGET, NULL, "can't retrieve # of links for object")
+ } /* end if */
+ } /* end if */
+ } /* end if */
+ else
+ HGOTO_ERROR(H5E_SYM, H5E_CANTGET, NULL, "link info message not present")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5G_obj_get_linfo() */
+
+
+/*-------------------------------------------------------------------------
* Function: H5G_obj_compact_to_dense_cb
*
* Purpose: Callback routine for converting "compact" to "dense"
@@ -397,7 +448,7 @@ done:
*-------------------------------------------------------------------------
*/
herr_t
-H5G_obj_insert(H5O_loc_t *grp_oloc, const char *name, H5O_link_t *obj_lnk,
+H5G_obj_insert(const H5O_loc_t *grp_oloc, const char *name, H5O_link_t *obj_lnk,
hbool_t adj_link, hid_t dxpl_id)
{
H5O_linfo_t linfo; /* Link info message */
@@ -414,7 +465,7 @@ H5G_obj_insert(H5O_loc_t *grp_oloc, const char *name, H5O_link_t *obj_lnk,
/* Check if we have information about the number of objects in this group */
/* (by attempting to get the link info message for this group) */
- if(H5O_msg_read(grp_oloc, H5O_LINFO_ID, &linfo, dxpl_id)) {
+ if(H5G_obj_get_linfo(grp_oloc, &linfo, dxpl_id)) {
H5O_ginfo_t ginfo; /* Group info message */
size_t link_msg_size; /* Size of new link message in the file */
@@ -443,7 +494,7 @@ H5G_obj_insert(H5O_loc_t *grp_oloc, const char *name, H5O_link_t *obj_lnk,
/* (If the encoded form of the link is too large to fit into an object
* header message, convert to using dense link storage instead of link messages)
*/
- if(H5F_addr_defined(linfo.link_fheap_addr))
+ if(H5F_addr_defined(linfo.fheap_addr))
use_new_dense = TRUE;
else if(linfo.nlinks < ginfo.max_compact && link_msg_size < H5O_MESG_MAX_SIZE)
use_new_dense = FALSE;
@@ -608,7 +659,7 @@ H5G_obj_iterate(hid_t loc_id, const char *group_name,
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "bad group ID")
/* Attempt to get the link info for this group */
- if(H5O_msg_read(&(grp->oloc), H5O_LINFO_ID, &linfo, dxpl_id)) {
+ if(H5G_obj_get_linfo(&(grp->oloc), &linfo, dxpl_id)) {
/* Check for going out of bounds */
if(skip > 0 && (size_t)skip >= linfo.nlinks)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "index out of bound")
@@ -620,7 +671,7 @@ H5G_obj_iterate(hid_t loc_id, const char *group_name,
HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "creation order not tracked for links in group")
} /* end if */
- if(H5F_addr_defined(linfo.link_fheap_addr)) {
+ if(H5F_addr_defined(linfo.fheap_addr)) {
/* Iterate over the links in the group, building a table of the link messages */
if((ret_value = H5G_dense_iterate(grp->oloc.file, dxpl_id, &linfo, idx_type, order, skip, last_lnk, gid, lnk_op, op_data)) < 0)
HGOTO_ERROR(H5E_SYM, H5E_CANTNEXT, FAIL, "error iterating over links")
@@ -678,13 +729,13 @@ H5G_obj_info(H5O_loc_t *oloc, H5G_info_t *grp_info, hid_t dxpl_id)
HDassert(grp_info);
/* Attempt to get the link info for this group */
- if(H5O_msg_read(oloc, H5O_LINFO_ID, &linfo, dxpl_id)) {
+ if(H5G_obj_get_linfo(oloc, &linfo, dxpl_id)) {
/* Retrieve the information about the links */
grp_info->nlinks = linfo.nlinks;
grp_info->max_corder = linfo.max_corder;
/* Check if the group is using compact or dense storage for its links */
- if(H5F_addr_defined(linfo.link_fheap_addr))
+ if(H5F_addr_defined(linfo.fheap_addr))
grp_info->storage_type = H5G_STORAGE_TYPE_DENSE;
else
grp_info->storage_type = H5G_STORAGE_TYPE_COMPACT;
@@ -734,7 +785,7 @@ H5G_obj_get_name_by_idx(H5O_loc_t *oloc, H5_index_t idx_type,
HDassert(oloc && oloc->file);
/* Attempt to get the link info for this group */
- if(H5O_msg_read(oloc, H5O_LINFO_ID, &linfo, dxpl_id)) {
+ if(H5G_obj_get_linfo(oloc, &linfo, dxpl_id)) {
/* Check for creation order tracking, if creation order index lookup requested */
if(idx_type == H5_INDEX_CRT_ORDER) {
/* Check if creation order is tracked */
@@ -743,7 +794,7 @@ H5G_obj_get_name_by_idx(H5O_loc_t *oloc, H5_index_t idx_type,
} /* end if */
/* Check for dense link storage */
- if(H5F_addr_defined(linfo.link_fheap_addr)) {
+ if(H5F_addr_defined(linfo.fheap_addr)) {
/* Get the object's name from the dense link storage */
if((ret_value = H5G_dense_get_name_by_idx(oloc->file, dxpl_id, &linfo, idx_type, order, n, name, size)) < 0)
HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "can't locate name")
@@ -799,8 +850,8 @@ H5G_obj_get_type_by_idx(H5O_loc_t *oloc, hsize_t idx, hid_t dxpl_id)
HDassert(oloc);
/* Attempt to get the link info for this group */
- if(H5O_msg_read(oloc, H5O_LINFO_ID, &linfo, dxpl_id)) {
- if(H5F_addr_defined(linfo.link_fheap_addr)) {
+ if(H5G_obj_get_linfo(oloc, &linfo, dxpl_id)) {
+ if(H5F_addr_defined(linfo.fheap_addr)) {
/* Get the object's name from the dense link storage */
if((ret_value = H5G_dense_get_type_by_idx(oloc->file, dxpl_id, &linfo, idx)) < 0)
HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, H5G_UNKNOWN, "can't locate type")
@@ -857,7 +908,7 @@ H5G_obj_remove_update_linfo(H5O_loc_t *oloc, H5O_linfo_t *linfo, hid_t dxpl_id)
linfo->max_corder = 0;
/* Check for transitioning out of dense storage, if we are using it */
- if(H5F_addr_defined(linfo->link_fheap_addr)) {
+ if(H5F_addr_defined(linfo->fheap_addr)) {
/* Check if there's no more links */
if(linfo->nlinks == 0) {
/* Delete the dense storage */
@@ -961,12 +1012,12 @@ H5G_obj_remove(H5O_loc_t *oloc, H5RS_str_t *grp_full_path_r, const char *name, h
HDassert(name && *name);
/* Attempt to get the link info for this group */
- if(H5O_msg_read(oloc, H5O_LINFO_ID, &linfo, dxpl_id)) {
+ if(H5G_obj_get_linfo(oloc, &linfo, dxpl_id)) {
/* Using the new format for groups */
use_old_format = FALSE;
/* Check for dense or compact storage */
- if(H5F_addr_defined(linfo.link_fheap_addr)) {
+ if(H5F_addr_defined(linfo.fheap_addr)) {
/* Remove object from the dense link storage */
if(H5G_dense_remove(oloc->file, dxpl_id, &linfo, grp_full_path_r, name) < 0)
HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "can't remove object")
@@ -1026,7 +1077,7 @@ H5G_obj_remove_by_idx(H5O_loc_t *grp_oloc, H5RS_str_t *grp_full_path_r,
HDassert(grp_oloc && grp_oloc->file);
/* Attempt to get the link info for this group */
- if(H5O_msg_read(grp_oloc, H5O_LINFO_ID, &linfo, dxpl_id)) {
+ if(H5G_obj_get_linfo(grp_oloc, &linfo, dxpl_id)) {
/* Check for creation order tracking, if creation order index lookup requested */
if(idx_type == H5_INDEX_CRT_ORDER) {
/* Check if creation order is tracked */
@@ -1038,7 +1089,7 @@ H5G_obj_remove_by_idx(H5O_loc_t *grp_oloc, H5RS_str_t *grp_full_path_r,
use_old_format = FALSE;
/* Check for dense or compact storage */
- if(H5F_addr_defined(linfo.link_fheap_addr)) {
+ if(H5F_addr_defined(linfo.fheap_addr)) {
/* Remove object from the dense link storage */
if(H5G_dense_remove_by_idx(grp_oloc->file, dxpl_id, &linfo, grp_full_path_r, idx_type, order, n) < 0)
HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "can't remove object")
@@ -1103,9 +1154,9 @@ H5G_obj_lookup(H5O_loc_t *grp_oloc, const char *name, H5O_link_t *lnk,
HDassert(name && *name);
/* Attempt to get the link info message for this group */
- if(H5O_msg_read(grp_oloc, H5O_LINFO_ID, &linfo, dxpl_id)) {
+ if(H5G_obj_get_linfo(grp_oloc, &linfo, dxpl_id)) {
/* Check for dense link storage */
- if(H5F_addr_defined(linfo.link_fheap_addr)) {
+ if(H5F_addr_defined(linfo.fheap_addr)) {
/* Get the object's info from the dense link storage */
if(H5G_dense_lookup(grp_oloc->file, dxpl_id, &linfo, name, lnk) < 0)
HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "can't locate object")
@@ -1157,7 +1208,7 @@ H5G_obj_lookup_by_idx(H5O_loc_t *grp_oloc, H5_index_t idx_type,
HDassert(grp_oloc && grp_oloc->file);
/* Attempt to get the link info message for this group */
- if(H5O_msg_read(grp_oloc, H5O_LINFO_ID, &linfo, dxpl_id)) {
+ if(H5G_obj_get_linfo(grp_oloc, &linfo, dxpl_id)) {
/* Check for creation order tracking, if creation order index lookup requested */
if(idx_type == H5_INDEX_CRT_ORDER) {
/* Check if creation order is tracked */
@@ -1166,7 +1217,7 @@ H5G_obj_lookup_by_idx(H5O_loc_t *grp_oloc, H5_index_t idx_type,
} /* end if */
/* Check for dense link storage */
- if(H5F_addr_defined(linfo.link_fheap_addr)) {
+ if(H5F_addr_defined(linfo.fheap_addr)) {
/* Get the link from the dense storage */
if(H5G_dense_lookup_by_idx(grp_oloc->file, dxpl_id, &linfo, idx_type, order, n, lnk) < 0)
HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "can't locate object")
generated by cgit v0.12 at 2024-11-07 12:13:27 (GMT)