X-Git-Url: https://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ffreadahead.h;h=d87460243d828423aa7cea5808a74638b2f19005;hb=4f044de87e05bee61005c48bb93f3bb9a4b76461;hp=54466b4075ef23ddf58802f771ca9038c7a7b7c0;hpb=b2e2010c7c902235b5efb5bd3c6529f61b093aa4;p=gnulib.git

diff --git a/lib/freadahead.h b/lib/freadahead.h
index 54466b407..d87460243 100644
--- a/lib/freadahead.h
+++ b/lib/freadahead.h
@@ -1,5 +1,5 @@
 /* Retrieve information about a FILE stream.
-   Copyright (C) 2007-2010 Free Software Foundation, Inc.
+   Copyright (C) 2007-2012 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
@@ -31,7 +31,7 @@ extern "C" {
 
    STREAM must not be wide-character oriented.  */
 
-extern size_t freadahead (FILE *stream);
+extern size_t freadahead (FILE *stream) _GL_ATTRIBUTE_PURE;
 
 #ifdef __cplusplus
 }