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option(ENABLE_FUZZING "Create executables and targets for fuzzing cJSON with afl." Off)
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if (ENABLE_FUZZING)
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find_program(AFL_FUZZ afl-fuzz)
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if ("${AFL_FUZZ}" MATCHES "AFL_FUZZ-NOTFOUND")
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message(FATAL_ERROR "Couldn't find afl-fuzz.")
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endif()
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add_executable(afl-main afl.c)
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target_link_libraries(afl-main "${CJSON_LIB}")
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if (NOT ENABLE_SANITIZERS)
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message(FATAL_ERROR "Enable sanitizers with -DENABLE_SANITIZERS=On to do fuzzing.")
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endif()
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option(ENABLE_FUZZING_PRINT "Fuzz printing functions together with parser." On)
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set(fuzz_print_parameter "no")
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if (ENABLE_FUZZING_PRINT)
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set(fuzz_print_parameter "yes")
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endif()
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-error")
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add_custom_target(afl
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COMMAND "${AFL_FUZZ}" -i "${CMAKE_CURRENT_SOURCE_DIR}/inputs" -o "${CMAKE_CURRENT_BINARY_DIR}/findings" -x "${CMAKE_CURRENT_SOURCE_DIR}/json.dict" -- "${CMAKE_CURRENT_BINARY_DIR}/afl-main" "@@" "${fuzz_print_parameter}"
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DEPENDS afl-main)
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endif()
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