diff options
Diffstat (limited to 'src/H5Gstab.c')
| -rw-r--r-- | src/H5Gstab.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/src/H5Gstab.c b/src/H5Gstab.c index b6796eb..4a0d46a 100644 --- a/src/H5Gstab.c +++ b/src/H5Gstab.c @@ -530,8 +530,8 @@ done: *------------------------------------------------------------------------- */ ssize_t -H5G_stab_get_name_by_idx(H5O_loc_t *oloc, hsize_t idx, char* name, - size_t size, hid_t dxpl_id) +H5G_stab_get_name_by_idx(H5O_loc_t *oloc, H5_iter_order_t order, hsize_t n, + char* name, size_t size, hid_t dxpl_id) { H5O_stab_t stab; /* Info about local heap & B-tree */ H5G_bt_it_idx1_t udata; /* Iteration information */ @@ -546,10 +546,22 @@ H5G_stab_get_name_by_idx(H5O_loc_t *oloc, hsize_t idx, char* name, if(NULL == H5O_read(oloc, H5O_STAB_ID, 0, &stab, dxpl_id)) HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "unable to determine local heap address") + /* Remap index for decreasing iteration order */ + if(order == H5_ITER_DEC) { + hsize_t nlinks = 0; /* Number of links in group */ + + /* Iterate over the symbol table nodes, to count the links */ + if(H5B_iterate(oloc->file, dxpl_id, H5B_SNODE, H5G_node_sumup, stab.btree_addr, &nlinks) < 0) + HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, "iteration operator failed") + + /* Map decreasing iteration order index to increasing iteration order index */ + n = nlinks - (n + 1); + } /* end if */ + /* Set iteration information */ udata.common.f = oloc->file; udata.common.dxpl_id = dxpl_id; - udata.common.idx = idx; + udata.common.idx = n; udata.common.num_objs = 0; udata.common.op = H5G_stab_get_name_by_idx_cb; udata.heap_addr = stab.heap_addr; @@ -568,7 +580,7 @@ H5G_stab_get_name_by_idx(H5O_loc_t *oloc, hsize_t idx, char* name, /* Copy the name into the user's buffer, if given */ if(name) { - HDstrncpy(name, udata.name, MIN((size_t)(ret_value + 1),size)); + HDstrncpy(name, udata.name, MIN((size_t)(ret_value + 1), size)); if((size_t)ret_value >= size) name[size - 1]='\0'; } /* end if */ @@ -884,7 +896,7 @@ H5G_stab_lookup_by_idx(H5O_loc_t *grp_oloc, H5_iter_order_t order, hsize_t n, /* Iterate over the symbol table nodes, to count the links */ if(H5B_iterate(grp_oloc->file, dxpl_id, H5B_SNODE, H5G_node_sumup, stab.btree_addr, &nlinks) < 0) - HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, "iteration operator failed"); + HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, "iteration operator failed") /* Map decreasing iteration order index to increasing iteration order index */ n = nlinks - (n + 1); |