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-rw-r--r--tools/lib/h5diff_dset.c8
-rw-r--r--tools/lib/h5tools.c5
2 files changed, 10 insertions, 3 deletions
diff --git a/tools/lib/h5diff_dset.c b/tools/lib/h5diff_dset.c
index 4826a7f..a295585 100644
--- a/tools/lib/h5diff_dset.c
+++ b/tools/lib/h5diff_dset.c
@@ -452,8 +452,12 @@ hsize_t diff_datasetid( hid_t did1,
*/
sm_nbytes = p_type_nbytes;
- for (i = rank1; i > 0; --i) {
- sm_size[i - 1] = MIN(dims1[i - 1], H5TOOLS_BUFSIZE / sm_nbytes);
+ for (i = rank1; i > 0; --i)
+ {
+ hsize_t size = H5TOOLS_BUFSIZE / sm_nbytes;
+ if ( size == 0) /* datum size > H5TOOLS_BUFSIZE */
+ size = 1;
+ sm_size[i - 1] = MIN(dims1[i - 1], size);
sm_nbytes *= sm_size[i - 1];
assert(sm_nbytes > 0);
}
diff --git a/tools/lib/h5tools.c b/tools/lib/h5tools.c
index 6032c02..a1d0696 100644
--- a/tools/lib/h5tools.c
+++ b/tools/lib/h5tools.c
@@ -1170,7 +1170,10 @@ h5tools_dump_simple_dset(FILE *stream, const h5tool_format_t *info, hid_t dset,
if (ctx.ndims > 0) {
for (i = ctx.ndims; i > 0; --i) {
- sm_size[i - 1] = MIN(total_size[i - 1], H5TOOLS_BUFSIZE / sm_nbytes);
+ hsize_t size = H5TOOLS_BUFSIZE / sm_nbytes;
+ if ( size == 0) /* datum size > H5TOOLS_BUFSIZE */
+ size = 1;
+ sm_size[i - 1] = MIN(total_size[i - 1], size);
sm_nbytes *= sm_size[i - 1];
assert(sm_nbytes > 0);
}