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-rw-r--r--src/H5Tref.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/src/H5Tref.c b/src/H5Tref.c
index c71724f..0c17d49 100644
--- a/src/H5Tref.c
+++ b/src/H5Tref.c
@@ -589,6 +589,7 @@ H5T__ref_mem_write(H5VL_object_t *src_file, const void *src_buf, size_t src_size
H5F_t * src_f = NULL;
hid_t file_id = H5I_INVALID_HID;
H5R_ref_priv_t *dst_ref = (H5R_ref_priv_t *)dst_buf;
+ H5R_ref_priv_t tmp_ref; /* Temporary reference to decode into */
herr_t ret_value = SUCCEED;
FUNC_ENTER_STATIC
@@ -599,6 +600,7 @@ H5T__ref_mem_write(H5VL_object_t *src_file, const void *src_buf, size_t src_size
HDassert(src_size);
HDassert(dst_buf);
HDassert(dst_size == H5T_REF_MEM_SIZE);
+ HDcompile_assert(sizeof(*dst_ref) == sizeof(tmp_ref));
/* Memory-to-memory conversion to support vlen conversion */
if (NULL == src_file) {
@@ -624,13 +626,13 @@ H5T__ref_mem_write(H5VL_object_t *src_file, const void *src_buf, size_t src_size
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid VOL object")
/* Make sure reference buffer is correctly initialized */
- HDmemset(dst_buf, 0, dst_size);
+ HDmemset(&tmp_ref, 0, sizeof(tmp_ref));
switch (src_type) {
case H5R_OBJECT1: {
size_t token_size = H5F_SIZEOF_ADDR(src_f);
- if (H5R__create_object((const H5O_token_t *)src_buf, token_size, dst_ref) < 0)
+ if (H5R__create_object((const H5O_token_t *)src_buf, token_size, &tmp_ref) < 0)
HGOTO_ERROR(H5E_REFERENCE, H5E_CANTCREATE, FAIL, "unable to create object reference")
} break;
@@ -638,7 +640,7 @@ H5T__ref_mem_write(H5VL_object_t *src_file, const void *src_buf, size_t src_size
const struct H5Tref_dsetreg *src_reg = (const struct H5Tref_dsetreg *)src_buf;
size_t token_size = H5F_SIZEOF_ADDR(src_f);
- if (H5R__create_region(&src_reg->token, token_size, src_reg->space, dst_ref) < 0)
+ if (H5R__create_region(&src_reg->token, token_size, src_reg->space, &tmp_ref) < 0)
HGOTO_ERROR(H5E_REFERENCE, H5E_CANTCREATE, FAIL, "unable to create region reference")
/* create_region creates its internal copy of the space */
@@ -655,7 +657,7 @@ H5T__ref_mem_write(H5VL_object_t *src_file, const void *src_buf, size_t src_size
case H5R_OBJECT2:
case H5R_ATTR:
/* Decode reference */
- if (H5R__decode((const unsigned char *)src_buf, &src_size, dst_ref) < 0)
+ if (H5R__decode((const unsigned char *)src_buf, &src_size, &tmp_ref) < 0)
HGOTO_ERROR(H5E_REFERENCE, H5E_CANTDECODE, FAIL, "Cannot decode reference")
break;
@@ -667,17 +669,20 @@ H5T__ref_mem_write(H5VL_object_t *src_file, const void *src_buf, size_t src_size
} /* end switch */
/* If no filename set, this is not an external reference */
- if (NULL == H5R_REF_FILENAME(dst_ref)) {
+ if (NULL == H5R_REF_FILENAME(&tmp_ref)) {
/* TODO temporary hack to retrieve file object */
if ((file_id = H5F_get_file_id(src_file, H5I_FILE, FALSE)) < 0)
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object")
/* Attach loc ID to reference and hold reference to it, this is a
* user exposed reference so set app_ref to TRUE. */
- if (H5R__set_loc_id(dst_ref, file_id, TRUE, TRUE) < 0)
+ if (H5R__set_loc_id(&tmp_ref, file_id, TRUE, TRUE) < 0)
HGOTO_ERROR(H5E_REFERENCE, H5E_CANTSET, FAIL, "unable to attach location id to reference")
} /* end if */
+ /* Set output info */
+ HDmemcpy(dst_ref, &tmp_ref, sizeof(tmp_ref));
+
done:
if ((file_id != H5I_INVALID_HID) && (H5I_dec_ref(file_id) < 0))
HDONE_ERROR(H5E_REFERENCE, H5E_CANTDEC, FAIL, "unable to decrement refcount on location id")