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Diffstat (limited to 'content/2024-04-24-fn-wrapper-macro-magic/wrap-v2.cc')
| -rw-r--r-- | content/2024-04-24-fn-wrapper-macro-magic/wrap-v2.cc | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/content/2024-04-24-fn-wrapper-macro-magic/wrap-v2.cc b/content/2024-04-24-fn-wrapper-macro-magic/wrap-v2.cc new file mode 100644 index 0000000..4a71635 --- /dev/null +++ b/content/2024-04-24-fn-wrapper-macro-magic/wrap-v2.cc @@ -0,0 +1,14 @@ +#define MOCK_WRAPPER_IMPL(ret, fn) \ + /* do common work */ \ + static ret wrap_##fn(...); + +// Utility to generate wrapper boilerplate. +#define WRAP(ret, fn, typed_args, args) \ + MOCK_WRAPPER_IMPL(ret, fn) \ + \ + extern "C" ret fn typed_args { \ + return wrap_##fn args; \ + } + +WRAP(int, foo, (const char* name), (name)) +WRAP(int, bar, (const char* name, const char* value), (name, value)) |