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Vern - hi - thanks... an example would go a looonnnnggg way.

On Tue, Oct 17, 2017 at 2:27 PM, Vernon Hamberg <vhamberg@xxxxxxxxxxxxxxx>
wrote:

Hi Jay

I think you do NOT want to set the OAR structure pointer to an address of
something NOT in that structure - that's what this looks like.

So you need a variable BASED on the OAR structure pointer - put the
character value in that variable, and it should all be fine.

Multiple levels of dereferencing pointers is where we are, right?

HTH
Vern


On 10/17/2017 1:03 PM, Jay Vaughn wrote:

so i'm assigning namesValuesDS.value = %addr(g_hostData(i)) but it is
still
getting the
A character representation of a numeric value is in error.

And before it returns to the rpg caller, i even have a debugging loop
where
i examine each namesValuesDS.value and they are indeed assigned correctly
from g_hostData...

so where can this error be coming from?

also, another small side concern, what if i ever have column definitions
greater than the 255 chars we defined g_hostData with?

On Tue, Oct 17, 2017 at 1:56 PM, <dlclark@xxxxxxxxxxxxxxxx> wrote:

"RPG400-L" <rpg400-l-bounces@xxxxxxxxxxxx> wrote on 10/17/2017 01:29:06
PM:

so since namesValuesDS.value is a pointer, i'd need %addr(g_hostData(i))

to

assign the pointer of g_hostData(i) correct?

Seems logical.

but what if that g_hostData value should be returned as char or numeric
depending on the column that namesValuesDS.value is representing?
g_hostData is simply a char value.

To the caller, g_HostData is just storeage (memory). If you
only
need to return a pointer for it then you don't need to worry about the
fact that your program sees it as character storage. When you pass a
pointer then it is IBM code that has to deal with the format. Issues
will
only arise if the value is not in your character storage as correct
hexadecimal format (packed, binary, or floating-point) for the caller or
if you have to move the value from your storage to a numeric field for
passing back the value. That is where and when the special handling I
alluded to earlier would come into play.

Sincerely,

Dave Clark
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