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How can I see memory leaks on MacOS Big Sur using CLion?

I don't know how can I see memory leaks using CLion on MacOS Big Sur using CLion and I've tried these things:

  1. Valgrind - which is not compatible with Big Sur

  2. Leak Sanitizer from Clang - which apparently isn't compatible with MacOS according to a support guy from CLion

  3. Inside CLion, I've written in CMakeLists.txt this command:

       set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address -g")
    

    then I've written in preferences menu -> sanitizers in Address sanitizer section:

       detect_stack_use_after_return=1
    

    Based on CLion support page, they said that Leak Sanitizer is included in Address sanitizer.

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Stefan Avatar asked Mar 12 '21 12:03

Stefan


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1 Answers

Assuming you have installed the xcode command line developer tools, open a terminal window in CLion and try the following command, where programname is the name of the program you are building:

leaks -atExit -- cmake-build-debug/programname

You get output something like this:

leaks Report Version: 4.0
Process 69522: 214 nodes malloced for 21 KB
Process 69522: 1 leak for 1008 total leaked bytes.

    1 (1008 bytes) ROOT LEAK: 0x14c6067f0 [1008]
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Charles Avatar answered Oct 07 '22 22:10

Charles