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-rw-r--r--src/H5Dchunk.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/H5Dchunk.c b/src/H5Dchunk.c
index 93e8869..7a06477 100644
--- a/src/H5Dchunk.c
+++ b/src/H5Dchunk.c
@@ -3798,7 +3798,9 @@ H5D__chunk_prune_by_extent(H5D_t *dset, hid_t dxpl_id, const hsize_t *old_dim)
/*
* Determine the chunks which need to be filled or removed
*/
- for(op_dim=0; op_dim<space_ndims; op_dim++) {
+ HDmemset(min_mod_chunk_off, 0, sizeof(min_mod_chunk_off));
+ HDmemset(max_mod_chunk_off, 0, sizeof(max_mod_chunk_off));
+ for(op_dim = 0; op_dim < space_ndims; op_dim++) {
/* Calculate the largest offset of chunks that might need to be
* modified in this dimension */
max_mod_chunk_off[op_dim] = chunk_dim[op_dim] * ((old_dim[op_dim] - 1)