Sorry if this is a complete newbie silly question. I am very new to
Factor and I still often get lost between the forest and the trees. One
of the things that first attracted me to Factor was its nice C interface.
So, suppose I have defined some structure like this, almost an exact
copy of its C analog:
STRUCT: event-entry
{ uDateTime alien.c-types:uint }
{ uSystemTick alien.c-types:uint }
{ uTimeStampLSW alien.c-types:uint }
{ uTimeStampMSW alien.c-types:ushort }
{ uWindowID alien.c-types:char }
{ cEventString alien.c-types:char[17] } ;
Now let's further suppose that I have a large binary file made up of
thousands of these structures, except that there is a known gap between
each one that is actually used for logging some arbitrary event data.
I have been able to figure out how to read a large block of these into a
big byte array (128 K). What I would next like to do is somehow iterate
over this byte-array and create a sequence of event-entry structures.
Unfortunately I cannot figure out how to do this. I have been able to
create a single instance of an event-entry using memory>struct with the
128 K byte-array.
Can anyone provide some guidance for me?
Thanks,
John Whittaker
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