use _GL_ATTRIBUTE_CONST and _GL_ATTRIBUTE_PURE

[pspp] / lib / file-type.c

diff --git a/lib/file-type.c b/lib/file-type.c
index 4d6f60f2b05ef8397f76300610456af613676cee..f7090cdd1dc5ae20de6fe449f7af5bff5c44f8f8 100644 (file)
--- a/lib/file-type.c
+++ b/lib/file-type.c
@@ -1,7 +1,43 @@
-char const *
+/* Return a string describing the type of a file.
+
+   Copyright (C) 1993-1994, 2001-2002, 2004-2006, 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
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* Written by Paul Eggert.  */
+
+#include <config.h>
+
+#include "file-type.h"
+
+#include <gettext.h>
+#define _(text) gettext (text)
+
+/* The attribute __pure__ was added in gcc 2.96.  */
+#undef _GL_ATTRIBUTE_PURE
+#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
+# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
+#else
+# define _GL_ATTRIBUTE_PURE /* empty */
+#endif
+
+char const * _GL_ATTRIBUTE_PURE
 file_type (struct stat const *st)
 {
-  /* See POSIX 1003.1-2001 for these formats.
+  /* See POSIX 1003.1-2001 XCU Table 4-8 lines 17093-17107 for some of
+     these formats.
 
      To keep diagnostics grammatical in English, the returned string
      must start with a consonant.  */