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* fixed web bug #3805

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* extra range check in fpc_dynarray_copy (also error if lowidx >
    high(source))
This commit is contained in:
Jonas Maebe 2005-03-27 14:56:34 +00:00
parent bf5ac5abfa
commit 9ccf2effdc
1 changed files with 9 additions and 2 deletions
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11
rtl/inc/dynarr.inc
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@ -349,9 +349,11 @@ procedure fpc_dynarray_copy(var pdest : pointer;psrc : pointer;ti : pointer;
highidx:=realpsrc^.high; highidx:=realpsrc^.high;
end; end;
{ get number of elements and check for invalid values } { get number of elements and check for invalid values }
if (lowidx<0) or (highidx<0) then if (lowidx<0) or (highidx<0) or (lowidx > realpsrc^.high) then
HandleErrorFrame(201,get_frame); HandleErrorFrame(201,get_frame);
cnt:=highidx-lowidx+1; cnt:=highidx-lowidx+1;
if (cnt > realpsrc^.high - lowidx + 1) then
cnt := realpsrc^.high - lowidx + 1;
{ create new array } { create new array }
size:=elesize*cnt; size:=elesize*cnt;
getmem(realpdest,size+sizeof(tdynarray)); getmem(realpdest,size+sizeof(tdynarray));
@ -372,7 +374,12 @@ procedure fpc_dynarray_copy(var pdest : pointer;psrc : pointer;ti : pointer;
{ {
$Log$ $Log$
Revision 1.37 2005-03-05 16:37:28 florian Revision 1.38 2005-03-27 14:56:34 jonas
* fixed web bug 3805
* extra range check in fpc_dynarray_copy (also error if lowidx >
high(source))
Revision 1.37 2005/03/05 16:37:28 florian
* fixed copy(dyn. array,...); * fixed copy(dyn. array,...);
Revision 1.36 2005/02/14 17:13:22 peter Revision 1.36 2005/02/14 17:13:22 peter