"Robert C. Seacord" <[EMAIL PROTECTED]> writes: > The original impetus for this came from a check in a sprint() function > from Plan 9. Because of the API, there was no way to test if the len > was out of bounds, but the developers wanted to make sure they weren't > wrapping the stack on some architectures that have their stacks in > high memory.
The code in question is here: http://groups.google.com/group/comp.os.plan9/msg/d5c0a5836622f0c9 That code can be rewritten in standard conformant C. For example: len = min(1 << 30, - (uintptr_t) buf - 1); I will update you with the status of the new gcc warnings about this code when the work is complete in all active branches. Ian
