Commit e192ccc5 authored by Rob Latham's avatar Rob Latham Committed by Pavan Balaji
Browse files

datatype_size no longer needs to be an integer

MPIO_CHECK_COUNT_SIZE was designed to ensure "count*datatype_size" did
not overflow integers.  Well, I've done my best to relax that need
throughout MPICH, so the cast to unsigned is not needed.
Signed-off-by: Pavan Balaji's avatarPavan Balaji <>
parent 615d1acb
......@@ -48,7 +48,7 @@ if (count < 0) { \
#define MPIO_CHECK_COUNT_SIZE(fh, count, datatype_size, myname, error_code) \
if (count*datatype_size != (ADIO_Offset)(unsigned)count*(ADIO_Offset)(unsigned)datatype_size) { \
if (count*datatype_size != (ADIO_Offset)(unsigned)count*(ADIO_Offset)datatype_size) { \
error_code = MPIO_Err_create_code(MPI_SUCCESS, \
myname, __LINE__, \
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