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Code coverity using GCC gcov

Create a cpp source file with main function and name it main.cpp Build source with gcov enabled g++ -Wall -fprofile-arcs -ftest-coverage main.cpp                 It will generate main.gcno file Run binary                 ./a.out                 It will generate main.gcda file Run gcov for the source file                 gcov main.cpp                 it will generate main.cpp.gcov file Open main.cpp.gcov and analyse ##### lines for un tested code lines.