diff options
Diffstat (limited to 'src/H5G.c')
| -rw-r--r-- | src/H5G.c | 47 |
1 files changed, 47 insertions, 0 deletions
@@ -557,6 +557,53 @@ H5G_insert (hdf5_file_t *f, H5G_entry_t *cwd, H5G_entry_t *dir_ent, FUNC_LEAVE (SUCCEED); } +/*-------------------------------------------------------------------------- + NAME + H5G_set_root + PURPOSE + Inserts symbol table ENT as the file's root object giving it the specified + NAME. NAME is not allowed to be relative. + USAGE + herr_t H5G_set_root(f, name, ent) + hatom_t f; IN: File to set root entry + const char *name; IN: Root object's name + H5G_entry_t *ent; IN: Root object's symbol-table entry + RETURNS + SUCCEED/FAIL + DESCRIPTION + This function sets the root object of a file to be the symbol-table + table passed as an argument. The primary function of this routine is to + make a dataset the root object of a file. (The dataset may be replaced + with a "real" root directory, but at this point, the dataset is the only + object in the file) +--------------------------------------------------------------------------*/ +herr_t +H5G_set_root (hdf5_file_t *f, const char *name, H5G_entry_t *ent) +{ + herr_t status; + const char *rest=NULL; + H5G_entry_t _parent; + size_t nchars; + char _comp[1024]; + + FUNC_ENTER (H5G_set_root, NULL, FAIL); + + /* check args */ + assert (f); + assert (name && *name); + assert (ent); + + /* lookup base-name */ + if(HDstrlen(rest = H5G_basename (name, NULL))<=0) + HRETURN_ERROR (H5E_SYM, H5E_BADVALUE, FAIL); /* invalid base name */ + H5ECLEAR; + + /* insert entry as root object */ + HDmemcpy(file->root_sym,ent,sizeof(H5G_entry_t)); + + FUNC_LEAVE (SUCCEED); +} + /*------------------------------------------------------------------------- * Function: H5G_modify |