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MPIR_Status_set_bytes: fix for large count sizes #7102

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Merged
merged 1 commit into from
Nov 1, 2019
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MPIR_Status_set_bytes: fix for large count sizes #7102

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6 changes: 3 additions & 3 deletions ompi/mca/io/romio321/src/io_romio321_module.c
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Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,7 @@
* because ROMIO just expects these functions to exist.
*/
int MPIR_Status_set_bytes(ompi_status_public_t *status,
struct ompi_datatype_t *datatype, int size);
struct ompi_datatype_t *datatype, MPI_Count size);
void ADIOI_Datatype_iscontig(MPI_Datatype datatype, int *flag);


Expand Down Expand Up @@ -115,7 +115,7 @@ mca_io_base_module_2_0_0_t mca_io_romio321_module = {
* MPI_Status_set_elements (almost like they planned that... hmmm...).
*/
int MPIR_Status_set_bytes(ompi_status_public_t *status,
struct ompi_datatype_t *datatype, int nbytes)
struct ompi_datatype_t *datatype, MPI_Count nbytes)
{
/* Note that ROMIO is going to give a number of *bytes* here, but
MPI_STATUS_SET_ELEMENTS requires a number of *elements*. So
Expand All @@ -125,7 +125,7 @@ int MPIR_Status_set_bytes(ompi_status_public_t *status,
we do the right calculations there. This prevents roundoff
errors here, potentially "losing" bytes in the process. */

MPI_Status_set_elements(status, MPI_CHAR, nbytes);
MPI_Status_set_elements_x(status, MPI_CHAR, nbytes);
return MPI_SUCCESS;
}

Expand Down