diff --git a/src/H5Shyper.c b/src/H5Shyper.c index 398e4b310e..175d0c6353 100644 --- a/src/H5Shyper.c +++ b/src/H5Shyper.c @@ -5698,6 +5698,14 @@ H5S_select_hyperslab (H5S_t *space, H5S_seloper_t op, block = _block; } + /* Fixup operation if selection is 'none' and operation is an OR */ + /* (Allows for 'or'ing a sequence of hyperslab into a 'none' selection to */ + /* have same affect as setting the first hyperslab in the sequence to have */ + /* the 'set' operation and the rest of the hyperslab sequence to be 'or'ed */ + /* after that */ + if(space->select.type==H5S_SEL_NONE && op==H5S_SELECT_OR) + op=H5S_SELECT_SET; + #ifdef QAK printf("%s: check 1.0, op=%s\n",FUNC,(op==H5S_SELECT_SET? "H5S_SELECT_SET" : (op==H5S_SELECT_OR ? "H5S_SELECT_OR" : "Unknown"))); #endif /* QAK */