* Lamont Granquist <firstname.lastname@example.org> [011029 00:43] wrote:
> I'm trying to figure out the best way to write a wrapper around memcpy()
> which can call fprintf() without winding up getting into a recursive
> loop. The problem is that fprintf() will call memcpy() and around and
> around we go.
> I can use a global variable to prevent this, but that usage isn't thread
> safe. I can make it thread safe by using pthread keys, but then i have to
> link in libc_r, and for non-pthreaded programs i don't want to do that.
> Anyone have any suggestions? Right now I'm almost thinking that I just
> need to directly patch libc and libc_r. It might be an ugly patch though,
> and I'd rather not have this patch mandate recompiling all of libc.
Where do you see mem* calling printf?
-Alfred Perlstein [email@example.com]
'Instead of asking why a piece of software is using "1970s technology,"
start asking why software is ignoring 30 years of accumulated wisdom.'
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