https://answer.freetools.me/tags/%E6%9C%AA%E5%AE%9A%E4%B9%89%E8%A1%8C%E4%B8%BA/ Recent content in 未定义行为 on Answer Hugo -- 0.152.2 zh-cn Fri, 06 Mar 2026 09:49:48 +0800 https://answer.freetools.me/%E5%90%8C%E4%B8%80%E8%A1%8C%E4%BB%A3%E7%A0%81%E4%B8%8D%E5%90%8C%E7%BB%93%E6%9E%9Cc/c-%E8%A1%A8%E8%BE%BE%E5%BC%8F%E6%B1%82%E5%80%BC%E9%A1%BA%E5%BA%8F%E4%B8%BA%E4%BD%95%E8%AE%A9%E7%BC%96%E8%AF%91%E5%99%A8%E5%90%84%E8%A1%8C%E5%85%B6%E6%98%AF/ Fri, 06 Mar 2026 09:49:48 +0800 https://answer.freetools.me/%E5%90%8C%E4%B8%80%E8%A1%8C%E4%BB%A3%E7%A0%81%E4%B8%8D%E5%90%8C%E7%BB%93%E6%9E%9Cc/c-%E8%A1%A8%E8%BE%BE%E5%BC%8F%E6%B1%82%E5%80%BC%E9%A1%BA%E5%BA%8F%E4%B8%BA%E4%BD%95%E8%AE%A9%E7%BC%96%E8%AF%91%E5%99%A8%E5%90%84%E8%A1%8C%E5%85%B6%E6%98%AF/ 深入解析C/C++表达式求值顺序的历史演变，从序列点到sequenced-before，再到C++17的重大变革，揭示未定义行为背后的语言设计哲学。 https://answer.freetools.me/%E5%88%AB%E8%A2%AB%E7%BC%96%E8%AF%91%E5%99%A8%E9%AA%97%E4%BA%86%E4%B8%BA%E4%BB%80%E4%B9%88%E4%BD%A0%E7%9A%84%E5%AE%89%E5%85%A8%E6%A3%80%E6%9F%A5%E4%BB%A3%E7%A0%81%E5%8F%AF%E8%83%BD%E6%AD%A3%E5%9C%A8%E8%A2%AB%E6%82%84%E6%82%84%E5%88%A0%E9%99%A4/ Wed, 04 Mar 2026 15:50:39 +0800 https://answer.freetools.me/%E5%88%AB%E8%A2%AB%E7%BC%96%E8%AF%91%E5%99%A8%E9%AA%97%E4%BA%86%E4%B8%BA%E4%BB%80%E4%B9%88%E4%BD%A0%E7%9A%84%E5%AE%89%E5%85%A8%E6%A3%80%E6%9F%A5%E4%BB%A3%E7%A0%81%E5%8F%AF%E8%83%BD%E6%AD%A3%E5%9C%A8%E8%A2%AB%E6%82%84%E6%82%84%E5%88%A0%E9%99%A4/ 从Google Native Client沙箱逃逸到libtiff整数溢出，深度解析编译器如何利用未定义行为删除安全检查代码。涵盖空指针检查消失、死存储删除、整数溢出优化消失等经典案例，以及UBSan/ASan检测工具和工程实践指南。"