tar: port wordsplit attribute to Sun C

[chaz/tar] / lib / wordsplit.h

diff --git a/lib/wordsplit.h b/lib/wordsplit.h
index b48e3cda5e5cb17e35a9935b31cd3259166d47af..25d556d98c3499c05e40268ed0bf6fcf2e26bd85 100644 (file)
--- a/lib/wordsplit.h
+++ b/lib/wordsplit.h
@@ -1,5 +1,5 @@
 /* wordsplit - a word splitter
-   Copyright (C) 2009-2013 Free Software Foundation, Inc.
+   Copyright (C) 2009-2014 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
@@ -22,6 +22,12 @@
 
 #include <stddef.h>
 
+#if 2 < __GNUC__ + (7 <= __GNUC_MINOR__)
+# define __WORDSPLIT_ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
+#else
+# define __WORDSPLIT_ATTRIBUTE_FORMAT(spec) /* empty */
+#endif
+
 struct wordsplit
 {
   size_t ws_wordc;
@@ -34,9 +40,9 @@ struct wordsplit
   const char *ws_escape;
   void (*ws_alloc_die) (struct wordsplit * wsp);
   void (*ws_error) (const char *, ...)
-                   __attribute__ ((__format__ (__printf__, 1, 2)));
+    __WORDSPLIT_ATTRIBUTE_FORMAT ((__printf__, 1, 2));
   void (*ws_debug) (const char *, ...)
-                   __attribute__ ((__format__ (__printf__, 1, 2)));
+    __WORDSPLIT_ATTRIBUTE_FORMAT ((__printf__, 1, 2));
 
   const char **ws_env;
   const char *(*ws_getvar) (const char *, size_t, void *);