> On 4/16/07, Mark Voortman <[EMAIL PROTECTED]> wrote: >> >> I'm using map-file-to-memory to map a file in memory and then use >> >> move-memory! to read/write the contents. However, I was wondering if >> it >> >> is possible to random access the memory mapped file? For example, >> >> read/write only the bytes at position 5 to 10. If I use move-memory! >> it >> >> always starts reading/writing from byte 0. >> > >> > Right now, the only solution that comes to mind is to use >> > "memory-mapped-file-pointer" and do really dirty pointer arithmetic >> (see >> > "pointer->address" and "address->pointer"). >> > >> > Hm... "move-memory!" should probably get an additional argument giving >> > an offset. >> > What do you think? >> >> I think that's a good idea, but note that you'll need two additional >> arguments. One offset for the source and one for the destination. > > I have implemented this and pushed it to the darcs repo.
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