[Webkit-unassigned] [Bug 50245] Add word-prefix search options to the text search without ICU

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=50245





--- Comment #7 from Benjamin Poulain <benjamin at webkit.org>  2011-06-17 15:31:54 PST ---
(In reply to comment #5)
> I agree that memmove is a better way, but I think memcpy is fine in this case since the source is after the destination,right?
> 
> e.g,
> str = "0123456789"
> memcpy(str+2, str+1, 3);
> returns: 0111356789
> 
> memcpy(str+1, str+2, 3);
> returns: 0234456789

This is invalid, and will fail on some platform, some libc or even depending on the alignment.
The source and destination of memcpy cannot overlap (see http://linuxcertif.com/man/3/memcpy/en/ ).

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