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| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | include/ruby/st.h | 9 |
2 files changed, 13 insertions, 0 deletions
@@ -1,3 +1,7 @@ +Wed Feb 2 00:30:43 2011 KOSAKI Motohiro <kosaki.motohiro@gmail.com> + + * include/ruby/st.h (st_table): Added comment why we need __extension__. + Tue Feb 1 20:45:44 2011 Tanaka Akira <akr@fsij.org> * enc/encdb.c: parenthesize macro arguments. diff --git a/include/ruby/st.h b/include/ruby/st.h index 5627124e39..960b1bde6a 100644 --- a/include/ruby/st.h +++ b/include/ruby/st.h @@ -79,6 +79,15 @@ struct st_table { st_index_t num_bins; unsigned int entries_packed : 1; #ifdef __GNUC__ + /* + * C spec says, + * A bit-field shall have a type that is a qualified or unqualified + * version of _Bool, signed int, unsigned int, or some other + * implementation-defined type. It is implementation-defined whether + * atomic types are permitted. + * In short, long and long long bit-field are implementation-defined + * feature. Therefore we want to supress a warning explicitly. + */ __extension__ #endif st_index_t num_entries : ST_INDEX_BITS - 1; |