本文介绍了是什么导致了 SIGSEGV的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我需要知道分段错误 (SIGSEGV) 的根本原因，以及如何处理.
I need to know the root cause of the segmentation fault (SIGSEGV), and how to handle it.
推荐答案
维基百科有答案，以及许多其他来源.
Wikipedia has the answer, along with a number of other sources.
段错误基本上意味着你用指针做了坏事.这可能是段错误:
A segfault basically means you did something bad with pointers. This is probably a segfault:
char *c = NULL;
...
*c; // dereferencing a NULL pointer
或者这个:
char *c = "Hello";
...
c[10] = 'z'; // out of bounds, or in this case, writing into read-only memory
也许是这样:
char *c = new char[10];
...
delete [] c;
...
c[2] = 'z'; // accessing freed memory
每种情况下的基本原则都相同 - 您正在用不属于您的内存做一些事情.
Same basic principle in each case - you're doing something with memory that isn't yours.
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