Re: OT: snprintf() null termination

From: Gerardo Richarte (core.lists.exploit-dev@core-sdi.com)
Date: Thu May 30 2002 - 11:21:02 PDT

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Vanja Hrustic wrote:

> So - do all platforms properly null-terminate string (on overflow) when
> snprintf() is used, or one should still use "sizeof(string)-1" for the
> size of the snprintf()-ed string?

    regarding snprintf():

    -Linux, Solaris and OpenBSD do terminate with NUL when not enough space is available
    -Windows does not (Microsoft's libraries, at least up to Visual Studio 6)

    the other OSes where not tested, but I guess most unixes will (just guessing)

    gera


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