X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fclosein.c;h=2a652f4940a1bb9d84459a06f7781c940dad0ffc;hb=5b9e0c3ce734b9d9b0c0001e31b65a8a4713700d;hp=8b4bf09e2549cc66a494aeca96de4365c76981cc;hpb=3030c5b5e0a5199e16b05927da72c43c42f211c3;p=gnulib.git

diff --git a/lib/closein.c b/lib/closein.c
index 8b4bf09e2..2a652f494 100644
--- a/lib/closein.c
+++ b/lib/closein.c
@@ -1,6 +1,6 @@
 /* Close standard input, rewinding seekable stdin if necessary.
 
-   Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009-2011 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -55,7 +55,7 @@ close_stdin_set_file_name (const char *file)
    For example, POSIX requires that these two commands behave alike:
 
      (sed -ne 1q; cat) < file
-     tail -n 1 file
+     tail -n +2 file
 
    Since close_stdin is commonly registered via 'atexit', POSIX
    and the C standard both say that it should not call 'exit',
@@ -82,7 +82,8 @@ close_stdin (void)
 
   /* There is no need to flush stdin if we can determine quickly that stdin's
      input buffer is empty; in this case we know that if stdin is seekable,
-     fseeko (stdin, 0, SEEK_CUR) == lseek (0, 0, SEEK_CUR).  */
+     (fseeko (stdin, 0, SEEK_CUR), ftello (stdin))
+     == lseek (0, 0, SEEK_CUR).  */
   if (freadahead (stdin) > 0)
     {
       /* Only attempt flush if stdin is seekable, as fflush is entitled to