* io.c (rb_io_ungetbyte, rb_io_ungetc): allows nil to reset EOF

  flag with ungetting nothing.

* ruby.c (load_file_internal): rests EOF flag to make possible to
  load from stdin after reading data.


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@21718 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 2 deletions

diff --git a/io.c b/io.c
index ee8bf7cb9..5555de7c2 100644
--- a/io.c
+++ b/io.c
@@ -2860,6 +2860,7 @@ rb_io_ungetbyte(VALUE io, VALUE b)
 
     GetOpenFile(io, fptr);
     rb_io_check_readable(fptr);
+    io_unset_eof(fptr);
     if (NIL_P(b)) return Qnil;
     if (FIXNUM_P(b)) {
 	char cc = FIX2INT(b);
@@ -2869,7 +2870,6 @@ rb_io_ungetbyte(VALUE io, VALUE b)
 	SafeStringValue(b);
     }
     io_ungetbyte(b, fptr);
-    io_unset_eof(fptr);
     return Qnil;
 }
 
@@ -2897,6 +2897,7 @@ rb_io_ungetc(VALUE io, VALUE c)
 
     GetOpenFile(io, fptr);
     rb_io_check_readable(fptr);
+    io_unset_eof(fptr);
     if (NIL_P(c)) return Qnil;
     if (FIXNUM_P(c)) {
 	int cc = FIX2INT(c);
@@ -2926,7 +2927,6 @@ rb_io_ungetc(VALUE io, VALUE c)
     else {
         io_ungetbyte(c, fptr);
     }
-    io_unset_eof(fptr);
     return Qnil;
 }