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Editorial Team
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Asked: 2026-05-13T00:43:47+00:00

i was looking for macro which can expand like the following: FILL_BUFF(4) should be

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i was looking for macro which can expand like the following:

FILL_BUFF(4) should be expanded as (0xFF, 0xFF, 0xFF, 0xFF)… what can be the macro written for the above expansion..

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1 Answer

  1. Editorial Team

    PP got it – almost.
    Abusing the C preprocessor again. On the other hand, it deserves nothing better.

    #define FILL_BUFF(N) FILL_BUFF_ ## N

#define FILL_BUFF_1 (0xFF)
#define FILL_BUFF_2 (0xFF,0xFF)
#define FILL_BUFF_3 (0xFF,0xFF,0xFF)
#define FILL_BUFF_4 (0xFF,0xFF,0xFF,0xFF)
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