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| author | Nick Mathewson <nickm@torproject.org> | 2019-03-26 20:13:49 -0400 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2019-03-26 20:13:49 -0400 |
| commit | a47b61f329fbe06b7b4935cf9c1923d96a74b649 (patch) | |
| tree | 283c23aa4230a26fe9b40b1001cb05a457995b4d /src/lib/cc/compat_compiler.h | |
| parent | 57999e330b82fa3a360406dfb28b7a35fb50d602 (diff) | |
| parent | 3767eff9bb712bccc86718647c7dc84998a7f95f (diff) | |
| download | tor-a47b61f329fbe06b7b4935cf9c1923d96a74b649.tar.gz tor-a47b61f329fbe06b7b4935cf9c1923d96a74b649.zip | |
Merge branch 'messaging_v3' into messaging_v3_merged
Diffstat (limited to 'src/lib/cc/compat_compiler.h')
| -rw-r--r-- | src/lib/cc/compat_compiler.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/lib/cc/compat_compiler.h b/src/lib/cc/compat_compiler.h index 3a0f307186..18b76cc1a1 100644 --- a/src/lib/cc/compat_compiler.h +++ b/src/lib/cc/compat_compiler.h @@ -217,4 +217,16 @@ /** Macro: Yields the number of elements in array x. */ #define ARRAY_LENGTH(x) ((sizeof(x)) / sizeof(x[0])) +/** + * "Eat" a semicolon that somebody puts at the end of a top-level macro. + * + * Frequently, we want to declare a macro that people will use at file scope, + * and we want to allow people to put a semicolon after the macro. + * + * This declaration of a struct can be repeated any number of times, and takes + * a trailing semicolon afterwards. + **/ +#define EAT_SEMICOLON \ + struct dummy_semicolon_eater__ + #endif /* !defined(TOR_COMPAT_H) */ |