diff options
Diffstat (limited to 'src/H5Gloc.c')
| -rw-r--r-- | src/H5Gloc.c | 193 |
1 files changed, 108 insertions, 85 deletions
diff --git a/src/H5Gloc.c b/src/H5Gloc.c index f5a14a1..2dacd94 100644 --- a/src/H5Gloc.c +++ b/src/H5Gloc.c @@ -137,117 +137,139 @@ static herr_t H5G__loc_get_comment_cb(H5G_loc_t *grp_loc, const char *name, /*------------------------------------------------------------------------- - * Function: H5G_loc + * Function: H5G_loc_real * - * Purpose: Given an object ID return a location for the object. + * Purpose: Utility routine to get object location * - * Return: Success: Group pointer. - * Failure: NULL - * - * Programmer: Quincey Koziol - * Tuesday, September 13, 2005 + * Returns: SUCCEED/FAIL * *------------------------------------------------------------------------- */ herr_t -H5G_loc(hid_t loc_id, H5G_loc_t *loc) +H5G_loc_real(void *obj, H5I_type_t type, H5G_loc_t *loc) { herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) - switch(H5I_get_type(loc_id)) { + switch(type) { case H5I_FILE: - { - H5F_t *f; - - /* Get the file struct */ - if(NULL == (f = (H5F_t *)H5I_object(loc_id))) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid file ID") + { + H5F_t *f = (H5F_t *)obj; - /* Construct a group location for root group of the file */ - if(H5G_root_loc(f, loc) < 0) - HGOTO_ERROR(H5E_SYM, H5E_BADVALUE, FAIL, "unable to create location for file") - } /* end case */ + /* Construct a group location for root group of the file */ + if(H5G_root_loc(f, loc) < 0) + HGOTO_ERROR(H5E_SYM, H5E_BADVALUE, FAIL, "unable to create location for file") break; - - case H5I_GENPROP_CLS: - case H5I_GENPROP_LST: - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get group location of property list") - - case H5I_ERROR_CLASS: - case H5I_ERROR_MSG: - case H5I_ERROR_STACK: - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get group location of error class, message or stack") + } case H5I_GROUP: - { - H5G_t *group; - - if(NULL == (group = (H5G_t *)H5I_object(loc_id))) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid group ID") - if(NULL == (loc->oloc = H5G_oloc(group))) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get object location of group") - if(NULL == (loc->path = H5G_nameof(group))) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get path of group") - } /* end case */ + { + H5G_t *group = (H5G_t *)obj; + + if(NULL == (loc->oloc = H5G_oloc(group))) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get object location of group") + if(NULL == (loc->path = H5G_nameof(group))) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get path of group") break; + } case H5I_DATATYPE: - { - H5T_t *dt; - - if(NULL == (dt = (H5T_t *)H5I_object(loc_id))) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid type ID") - if(NULL == (loc->oloc = H5T_oloc(dt))) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get object location of datatype") - if(NULL == (loc->path = H5T_nameof(dt))) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get path of datatype") - } /* end case */ - break; + { + H5T_t *dt = NULL; - case H5I_DATASPACE: - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get group location of dataspace") + /* Get the actual datatype object if the VOL object is set */ + dt = H5T_get_actual_type((H5T_t *)obj); + + if(NULL == (loc->oloc = H5T_oloc(dt))) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get object location of datatype") + if(NULL == (loc->path = H5T_nameof(dt))) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get path of datatype") + break; + } case H5I_DATASET: - { - H5D_t *dset; - - if(NULL == (dset = (H5D_t *)H5I_object(loc_id))) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid data ID") - if(NULL == (loc->oloc = H5D_oloc(dset))) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get object location of dataset") - if(NULL == (loc->path = H5D_nameof(dset))) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get path of dataset") - } /* end case */ + { + H5D_t *dset = (H5D_t *)obj; + + if(NULL == (loc->oloc = H5D_oloc(dset))) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get object location of dataset") + if(NULL == (loc->path = H5D_nameof(dset))) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get path of dataset") break; + } case H5I_ATTR: - { - H5A_t *attr; - - if(NULL == (attr = (H5A_t *)H5I_object(loc_id))) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid attribute ID") - if(NULL == (loc->oloc = H5A_oloc(attr))) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get object location of attribute") - if(NULL == (loc->path = H5A_nameof(attr))) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get path of attribute") - } /* end case */ + { + H5A_t *attr = (H5A_t *)obj; + + if(NULL == (loc->oloc = H5A_oloc(attr))) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get object location of attribute") + if(NULL == (loc->path = H5A_nameof(attr))) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get path of attribute") break; + } case H5I_REFERENCE: HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get group location of reference") + case H5I_DATASPACE: + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get group location of dataspace") + + case H5I_GENPROP_CLS: + case H5I_GENPROP_LST: + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get group location of property list") + + case H5I_ERROR_CLASS: + case H5I_ERROR_MSG: + case H5I_ERROR_STACK: + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get group location of error class, message or stack") + + case H5I_VFL: + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get group location of a virtual file driver (VFD)") + + case H5I_VOL: + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unable to get group location of a virtual object layer (VOL) driver") + case H5I_UNINIT: case H5I_BADID: - case H5I_VFL: case H5I_NTYPES: default: - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid object ID") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid location ID") } /* end switch */ done: FUNC_LEAVE_NOAPI(ret_value) +} /* end H5G_loc_real() */ + + +/*------------------------------------------------------------------------- + * Function: H5G_loc + * + * Purpose: Given an object ID return a location for the object. + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5G_loc(hid_t loc_id, H5G_loc_t *loc) +{ + void *obj = NULL; /* VOL object */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Get the object from the VOL */ + if(NULL == (obj = H5VL_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid location identifier") + + /* Fill in the struct */ + if(H5G_loc_real(obj, H5I_get_type(loc_id), loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "unable to fill in location struct") + +done: + FUNC_LEAVE_NOAPI(ret_value) } /* end H5G_loc() */ @@ -764,7 +786,7 @@ H5G__loc_set_comment_cb(H5G_loc_t H5_ATTR_UNUSED *grp_loc/*in*/, const char H5_A /* Check for existing comment message */ if((exists = H5O_msg_exists(obj_loc->oloc, H5O_NAME_ID)) < 0) - HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "unable to read object header") + HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "unable to read object header") /* Remove the previous comment message if any */ if(exists) @@ -774,9 +796,9 @@ H5G__loc_set_comment_cb(H5G_loc_t H5_ATTR_UNUSED *grp_loc/*in*/, const char H5_A /* Add the new message */ if(udata->comment && *udata->comment) { /* Casting away const OK -QAK */ - comment.s = (char *)udata->comment; - if(H5O_msg_create(obj_loc->oloc, H5O_NAME_ID, 0, H5O_UPDATE_TIME, &comment) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "unable to set comment object header message") + comment.s = (char *)udata->comment; + if(H5O_msg_create(obj_loc->oloc, H5O_NAME_ID, 0, H5O_UPDATE_TIME, &comment) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "unable to set comment object header message") } /* end if */ done: @@ -854,20 +876,21 @@ H5G__loc_get_comment_cb(H5G_loc_t H5_ATTR_UNUSED *grp_loc/*in*/, const char H5_A /* Query object comment */ comment.s = NULL; if(NULL == H5O_msg_read(obj_loc->oloc, H5O_NAME_ID, &comment)) { - if(udata->comment && udata->bufsize > 0) + if(udata->comment && udata->bufsize > 0) udata->comment[0] = '\0'; - udata->comment_size = 0; - } /* end if */ + udata->comment_size = 0; + } else { if(udata->comment && udata->bufsize) - HDstrncpy(udata->comment, comment.s, udata->bufsize); - udata->comment_size = (ssize_t)HDstrlen(comment.s); - H5O_msg_reset(H5O_NAME_ID, &comment); - } /* end else */ + HDstrncpy(udata->comment, comment.s, udata->bufsize); + udata->comment_size = (ssize_t)HDstrlen(comment.s); + H5O_msg_reset(H5O_NAME_ID, &comment); + } done: /* Indicate that this callback didn't take ownership of the group * - * location for the object */ + * location for the object. + */ *own_loc = H5G_OWN_NONE; FUNC_LEAVE_NOAPI(ret_value) |