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Le lundi 29 novembre 2021 à 09:47:09 UTC+1, sups...@gmail.com a écrit :
void output(std::string s) { std::cout << const_cast<char*>(("@S14@C92@." + s).c_str()) << std::endl; Fl::awake(awake, const_cast<char*>(("@S14@C92@." + s).c_str())); }
I believe the error is in that function, output(), in the call to Fl::awake(). The memory storage of the 2nd argument sent to Fl::awake is unstable, it can be reused at any time after return from the Fl::awake() function.
Change that 2nd argument to a form where you control the lifetime of this char array, and make sure it's not changed until it's been used by the main thread.
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