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authorBinh-Minh Ribler <bmribler@hdfgroup.org>2018-07-16 04:31:09 (GMT)
committerM. Scot Breitenfeld <brtnfld@hdfgroup.org>2018-07-26 22:19:11 (GMT)
commitd0362ce438aef8ad690d5b084d929403c9877107 (patch)
treeba42c7d25552a60f87b4d35059bd435443a52753 /src/H5Dchunk.c
parente57234b027b10c4bd0ba77b4ce9b4668ba964ffa (diff)
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Fixed division-by-zero issues
Description: Fixed HDFFV-10481 and HDFFV-10477, division by 0. Fixed another occurrence beside what were reported. Also, changed a local variable to avoid an unnecessary cast. Platforms tested: Linux/64 (jelly) Linux/32 (jam) Darwin (osx1010test)
Diffstat (limited to 'src/H5Dchunk.c')
-rw-r--r--src/H5Dchunk.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/H5Dchunk.c b/src/H5Dchunk.c
index 6b9b3ab..50cc0d0 100644
--- a/src/H5Dchunk.c
+++ b/src/H5Dchunk.c
@@ -947,6 +947,9 @@ H5D__chunk_init(H5F_t *f, const H5D_t *dset, hid_t dapl_id)
hsize_t scaled_power2up; /* Scaled value, rounded to next power of 2 */
/* Initial scaled dimension sizes */
+ if(dset->shared->layout.u.chunk.dim[u] == 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_BADVALUE, FAIL,
+ "chunk size must be > 0, dim = %u ", u)
rdcc->scaled_dims[u] = dset->shared->curr_dims[u] / dset->shared->layout.u.chunk.dim[u];
if( !(scaled_power2up = H5VM_power2up(rdcc->scaled_dims[u])) )