* eval.c (rb_thread_cleanup): should not modify the global

  variable curr_thread.


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@2731 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 4 deletions

diff --git a/io.c b/io.c
index 01b7e2a72..0d61e671b 100644
--- a/io.c
+++ b/io.c
@@ -2378,10 +2378,9 @@ static VALUE
 rb_io_putc(io, ch)
     VALUE io, ch;
 {
-    char c[2];
-    c[0] = NUM2CHR(ch);
-    c[1] = '\0';
-    rb_io_write(io, rb_str_new(c, 1));
+    char c = NUM2CHR(ch);
+
+    rb_io_write(io, rb_str_new(&c, 1));
     return ch;
 }