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aleden | 1 year ago

Before #define ing MY_MACRO, do

#ifdef MY_MACRO

#error

#endif

edit: and #undef MY_MACRO after done using it, ideally.

discuss

order

AlotOfReading|1 year ago

Not a perfect defense either. If you ever have the misfortune of using mentor graphics code, they #define REGISTER. They also ship a standard library that uses the register keyword. If you build a project using their standard library and their toolchain together, it explodes. If you name something like set_register, it also explodes.