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| Code Block |
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#define FOO(a, b, c) bar(a, b, c) /* ... */ FOO(arg1, arg2, arg3); |
When token pasting or stringization is performed, stringization, and string concatenation are desired, the arguments must not be parenthesized individually.
| Code Block |
|---|
#define JOIN(a, b) (a ## b)
#define SHOW(a) printf(#a " = %d\n", a)
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Risk Assessment
Failing to parenthesize the parameter names in a macro can result in unintended program behavior.
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