variadic-macros

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Converting a variadic macro to a variadic template function?

Given a variadic macro of the form: #define MY_CALL_RETURN_F(FType, FId, ...) \\ if(/*prelude omitted*/) {\\[详细]

2023-03-29 21:45 分类：问答
printf-style logger that is non-variadic

Our C/C++ project is using a new internal script that liberally wraps every function in SWIG to make available to python scripts.It chokes on our logger function since SWIG cannot wrap variadic functi[详细]

2023-03-27 17:18 分类：问答
Variadic macros

Is there any way to write a macr开发者_运维百科o like this: #define G(x1, x2, ... , xn) f(x1), f(x2), ... , f(xn)[详细]

2023-03-11 05:20 分类：问答
C Function that calculates total sizeof arguments

I\'m currently looking to calculate the total size of arguments passed into a function, in bytes.In theory, one can just write out sizeof(x) for every argument.However, this is a tremendous waste of t[详细]

2023-03-10 12:41 分类：问答
Macro with "placeholder" value

I\'m working with a library that includes a set of preprocessor libraries.One of them is a FOR_EACH style macro which iterates over a __VA_ARGS__ and calls a user-provided macro for each argument.The[详细]

2023-03-07 06:12 分类：问答
C++ Variadic Macros in Boost.Fusion?

So, according to this answer, C++ doesn\'t support variadic macros, and the C++ standard doesn\'t mention variadic macros anywhere.I know that C99 introduced variadic macros with __VA_ARGS__, and cert[详细]

2023-03-06 14:59 分类：问答
Standard alternative to GCC's ##__VA_ARGS__ trick?

There is a well-known problem with empty args for variadic macros in C99. example: #define FOO(...)printf(__VA_ARGS__)[详细]

2023-02-23 02:14 分类：问答
Variadic macro trick

What\'s the trick to create a variadic macro FOO(a1, a2, a3,..., an) such that it expands to FOOn(a1, a2, a3,..., an) for values of n in whatever preselected bo开发者_运维问答unded range you choose? T[详细]

2023-02-18 17:20 分类：问答
Generating function declaration using a macro iteration

I\'m trying to generate a function declaration using a macro /* goal: generate int f(int a, float b) */[详细]

2023-02-18 05:13 分类：问答
MSVC doesn't expand __VA_ARGS__ correctly

Consider this code: #define F(x, ...) X = x and VA_ARGS = __VA_开发者_运维技巧ARGS__ #define G(...) F(__VA_ARGS__)[详细]

2023-02-14 05:36 分类：问答