Jan Slodicka wrote:
> MemHandle hCmd = ClipboardGetItem( clipboardText, &cmdLength) ;
[...]
> StrNCopy( cmd, cmdPtr, cmdLength ) ; // This fails on accessing
> low memory address
[...]
> The problem is that StrNCopy() accesses cmdPtr[cmdLength]. The cure to
> the problem is to replace StrNCopy by MemMove.
Or to check that cmdptr/cmdLength are non-NULL/0 before calling
StrNCopy, perhaps?
> I guess if StrNCopy was implemented differently (if the test on the
> string length preceded the terminator test), there would not be any
> problem.
Yes; one could paraphrase this fix as "make StrNCopy act more like
strncpy" (details in my reply to the more recent thread below).
This issue last came up three years ago:
http://www.escribe.com/computing/pcpef/m1998.html
and the previous time was apparently two years before that:
http://www.egroups.com/message/palm-dev-forum/2812
John "stay tuned for a reappearance in 2007? :-)"
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