diff options
Diffstat (limited to 'src/H5Odtype.c')
| -rw-r--r-- | src/H5Odtype.c | 62 |
1 files changed, 58 insertions, 4 deletions
diff --git a/src/H5Odtype.c b/src/H5Odtype.c index 73d8909..af2a6c7 100644 --- a/src/H5Odtype.c +++ b/src/H5Odtype.c @@ -35,13 +35,15 @@ static herr_t H5O_dtype_get_share (H5F_t *f, const void *_mesg, H5O_shared_t *sh); static herr_t H5O_dtype_set_share (H5F_t *f, void *_mesg, const H5O_shared_t *sh); +static herr_t H5O_dtype_pre_copy_file(H5F_t *file_src, void *mesg_src, + void *_udata); static herr_t H5O_dtype_debug (H5F_t *f, hid_t dxpl_id, const void *_mesg, FILE * stream, int indent, int fwidth); -/* This message derives from H5O */ -const H5O_class_t H5O_DTYPE[1] = {{ +/* This message derives from H5O message class */ +const H5O_msg_class_t H5O_MSG_DTYPE[1] = {{ H5O_DTYPE_ID, /* message id number */ - "data_type", /* message name for debugging */ + "datatype", /* message name for debugging */ sizeof(H5T_t), /* native message size */ H5O_dtype_decode, /* decode message */ H5O_dtype_encode, /* encode message */ @@ -53,8 +55,9 @@ const H5O_class_t H5O_DTYPE[1] = {{ NULL, /* link method */ H5O_dtype_get_share, /* get share method */ H5O_dtype_set_share, /* set share method */ + H5O_dtype_pre_copy_file, /* pre copy native value to file */ NULL, /* copy native value to file */ - NULL, /* post copy native value to file */ + NULL, /* post copy native value to file */ H5O_dtype_debug /* debug the message */ }}; @@ -1160,6 +1163,56 @@ H5O_dtype_set_share(H5F_t UNUSED *f, void *_mesg/*in,out*/, } /* end H5O_dtype_set_share() */ +/*------------------------------------------------------------------------- + * Function: H5O_dtype_pre_copy_file + * + * Purpose: Perform any necessary actions before copying message between + * files + * + * Return: Success: Non-negative + * + * Failure: Negative + * + * Programmer: Quincey Koziol + * November 21, 2005 + * + *------------------------------------------------------------------------- + */ +static herr_t +H5O_dtype_pre_copy_file(H5F_t *file_src, void *mesg_src, void *_udata) +{ + H5T_t *dt_src = (H5T_t *)mesg_src; /* Source datatype */ + H5D_copy_file_ud_t *udata = (H5D_copy_file_ud_t *)_udata; /* Dataset copying user data */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI_NOINIT(H5O_dtype_pre_copy_file) + + /* check args */ + HDassert(file_src); + HDassert(dt_src); + + /* If the user data is non-NULL, assume we are copying a dataset + * and check if we need to make a copy of the datatype for later in + * the object copying process. (We currently only need to make a copy + * of the datatype if it's a vlen datatype) + */ + if(udata) { + if(H5T_detect_class(dt_src, H5T_VLEN) > 0) { + /* Create a memory copy of the variable-length datatype */ + if(NULL == (udata->src_dtype = H5T_copy(dt_src, H5T_COPY_TRANSIENT))) + HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, FAIL, "unable to copy") + + /* Set the location of the source datatype */ + if(H5T_set_loc(udata->src_dtype, file_src, H5T_LOC_DISK) < 0) + HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, FAIL, "cannot mark datatype on disk") + } /* end if */ + } /* end if */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5O_dtype_pre_copy_file() */ + + /*-------------------------------------------------------------------------- NAME H5O_dtype_debug @@ -1475,3 +1528,4 @@ H5O_dtype_debug(H5F_t *f, hid_t dxpl_id, const void *mesg, FILE *stream, FUNC_LEAVE_NOAPI(SUCCEED); } + |