diff options
Diffstat (limited to 'src/lib/cc/compat_compiler.h')
| -rw-r--r-- | src/lib/cc/compat_compiler.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/lib/cc/compat_compiler.h b/src/lib/cc/compat_compiler.h index fbe6a38f1f..5f5f244d02 100644 --- a/src/lib/cc/compat_compiler.h +++ b/src/lib/cc/compat_compiler.h @@ -223,4 +223,16 @@ /** Macro: Yields the number of elements in array x. */ #define ARRAY_LENGTH(x) ((sizeof(x)) / sizeof(x[0])) -#endif /* !defined(TOR_COMPAT_H) */ +/** + * "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_COMPILER_H) */ |