// Adapted fixed counterpart for libssh2 revision
// 1c6fa92b77e34d089493fe6d3e2c6c8775858b94. The upstream patch moved
// parsing into checked helpers; this slice makes their length precondition explicit.
#include <cstddef>

bool acceptsPacket(std::size_t message_len, std::size_t datalen) {
    if (datalen < 13)
        return false;
    if (message_len < datalen - 13)
        return false;
    return true;
}

int main() {
    return acceptsPacket(1, 4) ? 0 : 1;
}