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author | Raymond Lu <songyulu@hdfgroup.org> | 2003-10-29 17:04:58 (GMT) |
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committer | Raymond Lu <songyulu@hdfgroup.org> | 2003-10-29 17:04:58 (GMT) |
commit | d1f7c81a466c0bf041c380abee0f0c21ca30c86f (patch) | |
tree | 960def503380ca7737e93ae841bc2d4148b9d271 /src/H5I.c | |
parent | 219f713c6fdea98da7c1fdbb0eafa60a5f0bbe99 (diff) | |
download | hdf5-d1f7c81a466c0bf041c380abee0f0c21ca30c86f.zip hdf5-d1f7c81a466c0bf041c380abee0f0c21ca30c86f.tar.gz hdf5-d1f7c81a466c0bf041c380abee0f0c21ca30c86f.tar.bz2 |
[svn-r7784] *** empty log message ***
Diffstat (limited to 'src/H5I.c')
-rw-r--r-- | src/H5I.c | 88 |
1 files changed, 88 insertions, 0 deletions
@@ -793,6 +793,94 @@ done: /*------------------------------------------------------------------------- + * Function: H5Iget_file_id + * + * Purpose: The public version of H5I_get_file_id(), obtains the file + * ID given an object ID. User has to close this ID. + * + * Return: Success: file ID + * + * Failure: a negative value + * + * Programmer: Raymond Lu + * Oct 27, 2003 + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +hid_t +H5Iget_file_id(hid_t obj_id) +{ + hid_t ret_value = FAIL; + + FUNC_ENTER_API(H5Iget_file_id, FAIL); + H5TRACE1("i","i",obj_id); + + ret_value = H5I_get_file_id(obj_id); + +done: + FUNC_LEAVE_API(ret_value); +} + + +/*------------------------------------------------------------------------- + * Function: H5I_get_file_id + * + * Purpose: The private version of H5Iget_file_id(), obtains the file + * ID given an object ID. + * + * Return: Success: file ID + * + * Failure: a negative value + * + * Programmer: Raymond Lu + * Oct 27, 2003 + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +hid_t +H5I_get_file_id(hid_t obj_id) +{ + hid_t ret_value = FAIL; + H5I_type_t obj_type = H5I_BADID; + H5G_entry_t *ent; + + FUNC_ENTER_NOAPI(H5I_get_file_id, FAIL); + + /* Get object type */ + obj_type = H5I_GRP(obj_id); + + switch(obj_type) { + case H5I_FILE: + ret_value = obj_id; + /* Increment reference count on atom. */ + if (H5I_inc_ref(ret_value)<0) + HGOTO_ERROR (H5E_ATOM, H5E_CANTGET, FAIL, "incrementing file ID failed"); + + break; + case H5I_GROUP: + case H5I_DATASET: + case H5I_ATTR: + ent = H5G_loc(obj_id); + ret_value = H5F_get_id(ent->file); + /* Increment reference count on atom. */ + if (H5I_inc_ref(ret_value)<0) + HGOTO_ERROR (H5E_ATOM, H5E_CANTGET, FAIL, "incrementing file ID failed"); + + break; + default: + HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, FAIL, "invalid object ID"); + } + +done: + FUNC_LEAVE_NOAPI(ret_value); +} + + +/*------------------------------------------------------------------------- * Function: H5I_remove * * Purpose: Removes the specified ID from its group. |