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From: Ben Bacarisse <ben.usenet@bsb.me.uk>
Newsgroups: comp.programming
Subject: Re: Number of times a function is called
Date: Mon, 23 Oct 2017 00:41:37 +0100
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Victor Porton <porton@narod.ru> writes:

> For debugging purposes,
>
> I need to check that my program calls functions xxx_alloc() and xxx_free() 
> from a (dynamic or static) library the same number of times (every 
> allocation is followed by exactly one deallocation).

If these functions do allocations you might find valgrind useful.

If you want to count the actual calls (without instrumenting the source)
you can use gprof(1) and the -pg flag to gcc.

> How to do this on Linux?

You might get more advice in comp.unix.programmer

-- 
Ben.