Re: [PATCH 3/3] commit-slab: introduce a macro to define a slab for new type

2013-04-14 Thread Junio C Hamano
Jeff King writes: > On Sat, Apr 13, 2013 at 11:04:49PM -0700, Junio C Hamano wrote: > >> Suppose you want to give one bit per existing ref and paint commits >> down to find which refs are descendants of each commit. You find >> that you have 320 refs only at runtime. >> >> The code can declare a

Re: [PATCH 3/3] commit-slab: introduce a macro to define a slab for new type

2013-04-14 Thread Jeff King
On Sat, Apr 13, 2013 at 11:04:49PM -0700, Junio C Hamano wrote: > Suppose you want to give one bit per existing ref and paint commits > down to find which refs are descendants of each commit. You find > that you have 320 refs only at runtime. > > The code can declare a commit slab "struct flagbit

[PATCH 3/3] commit-slab: introduce a macro to define a slab for new type

2013-04-13 Thread Junio C Hamano
Introduce a header file to define a macro that can define the struct type, initializer, accessor and cleanup functions to manage a commit slab. Update the "indegree" topological sort facility using it. To associate 32 flag bits with each commit, you can write: define_commit_slab(flag32,