* string.c (rb_str_match_m): String#match should also take

  optional argument.  [ruby-core:03205]


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@6659 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 0 deletions

diff --git a/re.c b/re.c
index 4340cf298..2cc90ae31 100644
--- a/re.c
+++ b/re.c
@@ -1496,6 +1496,10 @@ rb_reg_match_pos(re, str, pos)
     VALUE re, str;
     long pos;
 {
+    if (NIL_P(str)) {
+	rb_backref_set(Qnil);
+	return Qnil;
+    }
     StringValue(str);
     if (pos != 0) {
 	if (pos < 0) {