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| author | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2022-07-28 16:50:26 +0900 |
|---|---|---|
| committer | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2022-08-06 10:52:00 +0900 |
| commit | 27173e3735ff509dc8d9cc9b410baff84adf57dc (patch) | |
| tree | 7b962014a706c970620e1a57b5e4bfacc5acc599 /vm_debug.h | |
| parent | 58c8b6e86273ccb7a1b903d9ab35956b69b3b1bf (diff) | |
| download | ruby-27173e3735ff509dc8d9cc9b410baff84adf57dc.tar.gz | |
Allow `RUBY_DEBUG_LOG` format to be empty
GCC warns of empty format strings, perhaps because they have no
effects in printf() and there are better ways than sprintf().
However, ruby_debug_log() adds informations other than the format,
this warning is not the case.
Diffstat (limited to 'vm_debug.h')
| -rw-r--r-- | vm_debug.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/vm_debug.h b/vm_debug.h index 5956105648..9c7fc65f7c 100644 --- a/vm_debug.h +++ b/vm_debug.h @@ -86,6 +86,15 @@ void ruby_debug_log(const char *file, int line, const char *func_name, const cha void ruby_debug_log_print(unsigned int n); bool ruby_debug_log_filter(const char *func_name, const char *file_name); +#if RBIMPL_COMPILER_IS(GCC) && defined(__OPTIMIZE__) +# define ruby_debug_log(...) \ + RB_GNUC_EXTENSION_BLOCK( \ + RBIMPL_WARNING_PUSH(); \ + RBIMPL_WARNING_IGNORED(-Wformat-zero-length); \ + ruby_debug_log(__VA_ARGS__); \ + RBIMPL_WARNING_POP()) +#endif + // convenient macro to log even if the USE_RUBY_DEBUG_LOG macro is not specified. // You can use this macro for temporary usage (you should not commit it). #define _RUBY_DEBUG_LOG(...) ruby_debug_log(__FILE__, __LINE__, RUBY_FUNCTION_NAME_STRING, "" __VA_ARGS__) |