"Richard L. Hamilton" <[EMAIL PROTECTED]> wrote:
> Shouldn't this use MAP_ANON and an fd arg of -1 rather than explicitly
> opening /dev/zero? One less thing to go wrong,
> two less statements and syscalls, typically.
The related lib is much older than MAP_ANON.
> around that. And I remember that SVR2 on e.g. the AT&T 3B15 allowed
> dereferencing at least a NULL char *, but I don't remember whether that
> bad precedent was only intended to apply to char * (and presumably,
The related code was definitely broken. SVR2 sources did e.g. expect to
see a nul character when dereferencing argv[argc].
BTW: From the C-standard, dereferencing a NULL pointer could also create
pink smoke in your screen.
Jörg
--
EMail:[EMAIL PROTECTED] (home) Jörg Schilling D-13353 Berlin
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[EMAIL PROTECTED] (work) Blog: http://schily.blogspot.com/
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