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C ++安全指南.md 修改建议 #63

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code1w opened this issue Oct 29, 2021 · 0 comments

code1w commented Oct 29, 2021

// Bad
char a[4] = {0};
_snprintf(a, 4, "%s", "AAAA");
foo = strlen(a);

上述代码在MSVC中执行后， a[4] == 'A'，因此字符串未以0结尾。

这里的a[4]== 'A' 应该改成a[3]=='A'

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