diff options
Diffstat (limited to 'src/H5Aint.c')
| -rw-r--r-- | src/H5Aint.c | 45 |
1 files changed, 27 insertions, 18 deletions
diff --git a/src/H5Aint.c b/src/H5Aint.c index d8ba92a..808d9b3 100644 --- a/src/H5Aint.c +++ b/src/H5Aint.c @@ -771,7 +771,7 @@ H5A__write(H5A_t *attr, const H5T_t *mem_type, const void *buf) if(NULL == (attr->shared->data = H5FL_BLK_MALLOC(attr_buf, dst_type_size * nelmts))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") - /* Copy the attribute data into the user's buffer */ + /* Copy the attribute data into the attribute data buffer */ H5MM_memcpy(attr->shared->data, buf, (dst_type_size * nelmts)); } /* end else */ @@ -1092,48 +1092,55 @@ done: /*------------------------------------------------------------------------- - * Function: H5A__free + * Function: H5A__shared_free * - * Purpose: Frees all memory associated with an attribute, but does not - * free the H5A_t structure (which should be done in H5T_close). + * Purpose: Cleans up the shared attribute data. This will free + * the attribute's shared structure as well. + * + * attr and attr->shared must not be NULL * * Return: SUCCEED/FAIL * - * Programmer: Quincey Koziol - * Monday, November 15, 2004 + * Programmer: Quincey Koziol + * Monday, November 15, 2004 * *------------------------------------------------------------------------- */ herr_t -H5A__free(H5A_t *attr) +H5A__shared_free(H5A_t *attr) { herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_PACKAGE HDassert(attr); + HDassert(attr->shared); - /* Free dynamically allocated items */ + /* Free dynamically allocated items. + * When possible, keep trying to shut things down (via HDONE_ERROR). + */ if(attr->shared->name) { H5MM_xfree(attr->shared->name); attr->shared->name = NULL; } if(attr->shared->dt) { if(H5T_close_real(attr->shared->dt) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_CANTRELEASE, FAIL, "can't release datatype info") + HDONE_ERROR(H5E_ATTR, H5E_CANTRELEASE, FAIL, "can't release datatype info") attr->shared->dt = NULL; } if(attr->shared->ds) { if(H5S_close(attr->shared->ds) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_CANTRELEASE, FAIL, "can't release dataspace info") + HDONE_ERROR(H5E_ATTR, H5E_CANTRELEASE, FAIL, "can't release dataspace info") attr->shared->ds = NULL; } if(attr->shared->data) attr->shared->data = H5FL_BLK_FREE(attr_buf, attr->shared->data); -done: + /* Destroy shared attribute struct */ + attr->shared = H5FL_FREE(H5A_shared_t, attr->shared); + FUNC_LEAVE_NOAPI(ret_value) -} /* end H5A__free() */ +} /* end H5A__shared_free() */ /*------------------------------------------------------------------------- @@ -1197,11 +1204,9 @@ H5A__close(H5A_t *attr) /* Reference count can be 0. It only happens when H5A__create fails. */ if(attr->shared->nrefs <= 1) { /* Free dynamically allocated items */ - if(H5A__free(attr) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_CANTRELEASE, FAIL, "can't release attribute info") - - /* Destroy shared attribute struct */ - attr->shared = H5FL_FREE(H5A_shared_t, attr->shared); + if(attr->shared) + if(H5A__shared_free(attr) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTRELEASE, FAIL, "can't release attribute info") } /* end if */ else { /* There are other references to the shared part of the attribute. @@ -2396,9 +2401,13 @@ H5A__attr_post_copy_file(const H5O_loc_t *src_oloc, const H5A_t *attr_src, /* Check for expanding references */ if(cpy_info->expand_ref) { size_t ref_count; + size_t dst_dt_size; /* Destination datatype size */ + /* Determine size of the destination datatype */ + if(0 == (dst_dt_size = H5T_get_size(attr_dst->shared->dt))) + HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, FAIL, "unable to determine datatype size") /* Determine # of reference elements to copy */ - ref_count = attr_dst->shared->data_size / H5T_get_size(attr_dst->shared->dt); + ref_count = attr_dst->shared->data_size / dst_dt_size; /* Copy objects referenced in source buffer to destination file and set destination elements */ if(H5O_copy_expand_ref(file_src, attr_dst->shared->data, file_dst, attr_dst->shared->data, ref_count, H5T_get_ref_type(attr_dst->shared->dt), cpy_info) < 0) |