Wolfgang Denk <w...@denx.de> wrote on 2010/10/21 13:51:26: > > Dear Joakim Tjernlund, > > In message <OFD5ABFC5E.96E88C93-ONC12577C3.00406E0E-C12577C3. > 00408...@transmode.se> you wrote: > > > > > It is legal for malloc() to return NULL in case of size==0, > > > and for the sake of simplicity I recommend we do just that. > > > > Yes, but not very useful. Glibc does not return NULL > > Maybe not in the current implementation, and not on the architecture > you checked. Current doc reads: "If size is 0, then malloc() returns > either NULL, or a unique pointer value that can later be successfully > passed to free()."
On linux and the tests I made, the unique pointer value is what I get. Possibly it is configurable. > > Of course we could return some valid pointer like glibc does, i. e. > implement something like > > if (size == 0) > size = 8; > > or so. Do you think that would be better? Better than NULL, but best would be a ptr that will SEGV if you try to defer it. Not the easiest to impl., perhaps ~0 will do? Jocke _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot