Christian Ehrlicher <ehrlicher@xxxxxxxx> writes: > I got following warning where I don't expect. > "null argument where non-null required (arg 2)" > > memmove(tmp1,0,MY_RET_DEF_SIZ(0)); > > It works because MY_RET_DEF_SIZ return 0 and so I think the warning > isn't usefull there. The warning is correct; the standard requires a valid pointer even if the length is zero. This is not very likely to cause problems with actual implementations, though. -- Falk
