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author | Quincey Koziol <koziol@hdfgroup.org> | 2010-02-09 21:59:13 (GMT) |
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committer | Quincey Koziol <koziol@hdfgroup.org> | 2010-02-09 21:59:13 (GMT) |
commit | cc1c7331a5f57b1d8beae65c257164e11060ebef (patch) | |
tree | 8fa82792e82c57b48da65fce053c7b48339fd4a9 /src/H5O.c | |
parent | 658c1b9e75291ea3dba584d93fda02f0079afc02 (diff) | |
download | hdf5-cc1c7331a5f57b1d8beae65c257164e11060ebef.zip hdf5-cc1c7331a5f57b1d8beae65c257164e11060ebef.tar.gz hdf5-cc1c7331a5f57b1d8beae65c257164e11060ebef.tar.bz2 |
[svn-r18223] Description:
Bring r18205 & r18222 from trunk to 1.8 branch:
Add new H5Oexists_by_name() routine.
Tested on:
Mac OS X/32 10.6.2 (amazon) w/debug & production
(daily tested on trunk already)
Diffstat (limited to 'src/H5O.c')
-rw-r--r-- | src/H5O.c | 41 |
1 files changed, 41 insertions, 0 deletions
@@ -536,6 +536,47 @@ done: /*------------------------------------------------------------------------- + * Function: H5Oexists_by_name + * + * Purpose: Determine if a linked-to object exists + * + * Return: Success: TRUE/FALSE + * Failure: Negative + * + * Programmer: Quincey Koziol + * February 2 2010 + * + *------------------------------------------------------------------------- + */ +htri_t +H5Oexists_by_name(hid_t loc_id, const char *name, hid_t lapl_id) +{ + H5G_loc_t loc; /* Location info */ + hid_t ret_value = FAIL; /* Return value */ + + FUNC_ENTER_API(H5Oexists_by_name, FAIL) + + /* Check args */ + if(H5G_loc(loc_id, &loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") + if(!name || !*name) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name") + if(H5P_DEFAULT == lapl_id) + lapl_id = H5P_LINK_ACCESS_DEFAULT; + else + if(TRUE != H5P_isa_class(lapl_id, H5P_LINK_ACCESS)) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not link access property list ID") + + /* Check if the object exists */ + if((ret_value = H5G_loc_exists(&loc, name, lapl_id, H5AC_dxpl_id)) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to determine if '%s' exists", name) + +done: + FUNC_LEAVE_API(ret_value) +} /* end H5Oexists_by_name() */ + + +/*------------------------------------------------------------------------- * Function: H5Oget_info * * Purpose: Retrieve information about an object. |