On Mon, 7 May 2007, Vincent Snijders wrote:
> Vincent Snijders schreef: > > Hi, > > > > Consider this piece of code: > > > > var > > p: pointer; > > begin > > p := getmem(100); > > reallocmem(p,0); > > p := nil; > > end. > > > > Do I need to do p:=nil, if I want to be sure that p contains nil? > > > > I saw that both system.SysReAllocMem and cmem.CReAllocMem do this, is > > size=0, but the docs at > > http://lazarus-ccr.sourceforge.net/docs/rtl/system/reallocmem.html don't > > mention this, so I don't know if I can be trust that is the case for always > > for all memory managers. > > Tough question apparently. Let's try to word it differently. > > After reallocmem(p,0) I observed that p is always nil. Is this an > implementation detail (subject to change) or part of the specification of > reallocmem? This is part of the specification. Michael. _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
