Zig 0.17.0-dev (Split by item)

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fuzzer_coverage

fuzzer.fuzzer_coverage

export fn fuzzer_coverage() abi.Coverage

File

lib/fuzzer.zig:2179

Code

export fn fuzzer_coverage() abi.Coverage {
    const coverage_id = exec.pc_digest;
    const header = @volatileCast(exec.seenPcsHeader());

    var seen_count: usize = 0;
    for (header.seenBits()) |chunk| {
        seen_count += @popCount(chunk);
    }

    return .{
        .id = coverage_id,
        .runs = header.n_runs,
        .unique = header.unique_runs,
        .seen = seen_count,
    };
}