Visual C++“调试断言失败" [英] Visual C++ "Debug Assertion Failed"

问题描述

我使用 Visual Studio 2010 编译了一个代码，然后我尝试运行它，不幸的是在测试过程中有时我会出错调试断言失败！"....Expression (unsingned)(c+1)<=256

I had compiled a code using Visual Studio 2010, then I tried to run it, unfortunately during testing sometimes I had errors "Debug Assertion Failed!"....Expression (unsingned)(c+1)<=256

然后我尝试了相同的场景，但使用 gcc 并且它运行没有任何问题.知道这个问题怎么样吗?

Then I tried the same scenario but using gcc and it ran without any problem. any idea how about this problem?

推荐答案

您正在使用一个整数调用 isalpha() 或 isdigit() 之类的函数，该整数的值不是 0-255 的单个字节.

You're calling a function like isalpha() or isdigit() with an integer whose value is not a single byte 0-255.

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