Commit 5931f8bd authored by Matthieu Schaller's avatar Matthieu Schaller
Browse files

Prevent the parallel-io routines to read more than 2GB per chunk.

parent 649be19b
......@@ -74,6 +74,10 @@ void readArray(hid_t grp, const struct io_props prop, size_t N,
const size_t copySize = typeSize * prop.dimension;
const size_t num_elements = N * prop.dimension;
/* Can't handle reads of more than 2GB */
if (N * props.dimension * typeSize > HDF5_PARALLEL_IO_MAX_BYTES)
error("Dataset too large to be read in one pass!");
/* Check whether the dataspace exists or not */
const htri_t exist = H5Lexists(grp,, 0);
if (exist < 0) {
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