[Scummvm-tracker] [ScummVM :: Bugs] #11969: Ultima 8 memset tests fail on big-endian platforms

ScummVM :: Bugs trac at scummvm.org
Sun Nov 22 20:07:15 UTC 2020


#11969: Ultima 8 memset tests fail on big-endian platforms
-------------------+----------------------------
Reporter:  skitt   |      Owner:  (none)
    Type:  defect  |     Status:  new
Priority:  normal  |  Component:  Engine: Ultima
Keywords:          |       Game:
-------------------+----------------------------
 On big-endian platforms, test/engines/ultima/ultima8/misc/memset_n.h fails
 because the memset_n functions assume they're running on a little-endian
 platform. On a big-endian platform, the value written to memory will
 depend on the alignment: if the value is aligned, it will be written as
 expected (MSB first), but if it's not aligned, it will be written in a
 mixture of little- and big-endian. The tests always use the host memory
 order.

 I can fix this, but I don't know what the correct order is: does the
 Ultima 8 engine assume little-endian order, or does it work with the host
 order?

 To reproduce this, build and run the tests on a big-endian platform. See
 https://buildd.debian.org/status/package.php?p=scummvm for some examples
 (on 2.2.0, but the tests fail in the same way on the current git head).
-- 
Ticket URL: <https://bugs.scummvm.org/ticket/11969>
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