diff options
| -rw-r--r-- | rational.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/rational.c b/rational.c index 13487363fb..dc29aa1628 100644 --- a/rational.c +++ b/rational.c @@ -1287,10 +1287,12 @@ static VALUE rat_pat, an_e_pat, a_dot_pat, underscores_pat, an_underscore; static void make_patterns(void) { - static char rat_pat_source[] = PATTERN; - static char an_e_pat_source[] = "[eE]"; - static char a_dot_pat_source[] = "\\."; - static char underscores_pat_source[] = "_+"; + static char const rat_pat_source[] = PATTERN; + static char const an_e_pat_source[] = "[eE]"; + static char const a_dot_pat_source[] = "\\."; + static char const underscores_pat_source[] = "_+"; + + if (rat_pat) return; rat_pat = rb_reg_new(rat_pat_source, sizeof rat_pat_source - 1, 0); rb_global_variable(&rat_pat); |