Google pointed me to :

http://gcc.gnu.org/ml/gcc/1999-02n/msg01370.html

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From: Mike Zinni [community-noreply@qnx.com]
Sent: Tuesday, December 30, 2008 10:53 AM
To: general-toolchain
Subject: Overloading operator new()???

Happy Holidays All -

Our team is considering overloading the new() operator to ensure that a NULL pointer is returned if/when the system is 
out of memory. Currently, even with exceptions disabled, new() throws a std::out_of_memory exception, which is 
undesirable for us...

My question is this: Is there a "best place" to overload operator new() for the entire system?

Thanks!

MikeZ

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General
http://community.qnx.com/sf/go/post19288