Hi everybody ,
Just want to know how "to get out of" for (pp=PartHeadp->pt_forw; pp != PartHeadp; pp = pp->pt_forw)
pp= PartHeadp; doesn't work .
Sorry for my english.
Where'd you get the struct partition from? Testing for pp != PartHeadp is sufficient on a ray-trace partition hit callback. If that's not working, you probably have a mistake somewhere else.
(note you said pp= PartHeadp which is an assignment that will always be true)
"man librt" or "brlman librt" has an example of a hit callback that iterates over the partitions (although it's old, see raytrace.h for the current callback signature).
If you are trying to exit the for loop early, setting "pp = PartHeadp" inside the loop won't work because the increment part of the for loop will execute before the test. That means "pp = pp->pt_forw" will be executed before the test "pp != PartHeadp".
If you don't have nested loops, using "break" should work for you instead of "pp = PartHeadp"
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