* pack.c (pack_pack): remove unnecessary negative value check.

  [ruby-dev:22329]

* io.c (rb_io_ungetc): need fflush before ungetc if write buffer
  is filled. [ruby-dev:22330]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5259 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/io.c b/io.c
index 19690ddc4d..87caa7651f 100644
--- a/io.c
+++ b/io.c
@@ -1315,6 +1315,7 @@ rb_io_ungetc(io, c)
 
     GetOpenFile(io, fptr);
     rb_io_check_readable(fptr);
+    flush_before_seek(fptr);
 
     if (ungetc(cc, fptr->f) == EOF && cc != EOF)
 	rb_sys_fail(fptr->path);