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* assume that dynamic arrays with a negative reference count are immutable (at least regarding their metadata)

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git-svn-id: trunk@39037 -
This commit is contained in:
svenbarth 2018-05-20 11:50:06 +00:00
parent c8cbb1daea
commit 8606293028
1 changed files with 4 additions and 4 deletions
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8
rtl/inc/dynarr.inc
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@ -88,7 +88,7 @@ procedure fpc_dynarray_clear(var p : pointer;ti : pointer); [Public,Alias:'FPC_D
if realp^.refcount=0 then if realp^.refcount=0 then
HandleErrorAddrFrameInd(204,get_pc_addr,get_frame); HandleErrorAddrFrameInd(204,get_pc_addr,get_frame);
if declocked(realp^.refcount) then if (realp^.refcount>0) and declocked(realp^.refcount) then
begin begin
{$ifdef VER3_0} {$ifdef VER3_0}
ti:=aligntoptr(ti+2+PByte(ti)[1]); ti:=aligntoptr(ti+2+PByte(ti)[1]);
@ -115,9 +115,9 @@ procedure fpc_dynarray_incr_ref(p : pointer);[Public,Alias:'FPC_DYNARRAY_INCR_RE
realp:=pdynarray(p-sizeof(tdynarray)); realp:=pdynarray(p-sizeof(tdynarray));
if realp^.refcount=0 then if realp^.refcount=0 then
HandleErrorAddrFrameInd(204,get_pc_addr,get_frame); HandleErrorAddrFrameInd(204,get_pc_addr,get_frame)
else if realp^.refcount>0 then
inclocked(realp^.refcount); inclocked(realp^.refcount);
end; end;
{ provide local access to dynarr_decr_ref for dynarr_setlength } { provide local access to dynarr_decr_ref for dynarr_setlength }