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Asked: 2026-06-11T09:13:59+00:00

I am porting a win32 app to linux and instead of having bunch of

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I am porting a win32 app to linux and instead of having bunch of #ifdefs around every _snprintf_s, I was wondering if there is a way to #define it to snprintf somehow.

So something like – 

#define _snprintf_s(1,2,3,4,5) snprintf(1,2,4,5)

The third parameter, Maximum number of characters to store, or _TRUNCATE is not present for snprintf.

Is this approach right? Can I do such a #define?
If so, can someone maybe point out how I should go about it?

I went through this question to know I have to be careful about such #defines.

Thanks!

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1 Answer

  1. Editorial Team

    #define _snprintf_s(a,b,c,...) snprintf(a,b,__VA_ARGS__)

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