+ if ((datatype == MPI_DATATYPE_NULL)||(datatype->has_subtype==1)) {
+ retval = MPI_ERR_TYPE;
+ } else if (count < 0) {
+ retval = MPI_ERR_COUNT;
+ } else {
+ int size = smpi_datatype_size(datatype) * count;
+ recvbuf = xbt_new(char, size);
+ retval =
+ MPI_Sendrecv(buf, count, datatype, dst, sendtag, recvbuf, count,
+ datatype, src, recvtag, comm, status);
+ if(retval==MPI_SUCCESS){
+ memcpy(buf, recvbuf, size * sizeof(char));
+ }
+ xbt_free(recvbuf);