codeql/cpp/ql/test/library-tests/ir/points_to/smart_pointer.cpp at c82f75604ae9842d82dbd086ddb65c454f549f73 · owen-mc/codeql · GitHub

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#include "../../../include/memory.h"
#include "../../../include/utility.h"

using std::shared_ptr;
using std::unique_ptr;

struct S {
    int x;
};

void unique_ptr_init(S s) {
    unique_ptr<S> p(new S); // MISSING: $ussa=dynamic{1}
    int i = (*p).x; // $ MISSING: ussa=dynamic{1}[0..4)<int>
    *p = s;  // $ MISSING: ussa=dynamic{1}[0..4)<S>
    unique_ptr<S> q = std::move(p);
    *(q.get()) = s;  // $ MISSING: ussa=dynamic{1}[0..4)<S>
    shared_ptr<S> t(std::move(q));
    t->x = 5; // $ MISSING: ussa=dynamic{1}[0..4)<int>
    *t = s; // $ MISSING: ussa=dynamic{1}[0..4)<S>
    *(t.get()) = s; // $ MISSING: ussa=dynamic{1}[0..4)<S>
}

void shared_ptr_init(S s) {
    shared_ptr<S> p(new S); // $ MISSING: ussa=dynamic{1}
    int i = (*p).x; // $ MISSING: ussa=dynamic{1}[0..4)<int>
    *p = s;  // $ MISSING: ussa=dynamic{1}[0..4)<S>
    shared_ptr<S> q = std::move(p);
    *(q.get()) = s;  // $ MISSING: ussa=dynamic{1}[0..4)<S>
    shared_ptr<S> t(q);
    t->x = 5; // $ MISSING: ussa=dynamic{1}[0..4)<int>
    *t = s; // $ MISSING: ussa=dynamic{1}[0..4)<S>
    *(t.get()) = s; // $ MISSING: ussa=dynamic{1}[0..4)<S>
}