用printf一个非空结尾的字符串 [英] Using printf with a non-null terminated string

问题描述

假如你有一个不为空结束的字符串，你知道它的确切大小，所以你怎么能打印字符串的printf用C？我记得这样的方法，但我不能找出知道......

Suppose you have a string which is NOT null terminated and you know its exact size, so how can you print that string with printf in C? I recall such method but I can not find out know...

推荐答案

有与printf的可能性，它是这样的：

There is a possibility with printf, it goes like this:

printf("%.*s", stringLength, pointerToString);

没有必要复制任何东西，不需要修改原来的字符串或缓冲区。

No need to copy anything, no need to modify the original string or buffer.

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