X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fversion-etc.h;h=a9b313d23a631f19a45d0968cb94d16236ea0006;hb=135351c549050196b5c1322b3ab1e956565ab3d8;hp=078601c409cd80f8da3887f4d715d5fbee501569;hpb=3457fcf5632d0411821c6ca61b09c945da9b1063;p=gnulib.git

diff --git a/lib/version-etc.h b/lib/version-etc.h
index 078601c40..a9b313d23 100644
--- a/lib/version-etc.h
+++ b/lib/version-etc.h
@@ -1,5 +1,5 @@
 /* Print --version and bug-reporting information in a consistent format.
-   Copyright (C) 1999, 2003, 2005, 2009 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2003, 2005, 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
@@ -22,6 +22,15 @@
 # include <stdarg.h>
 # include <stdio.h>
 
+/* The `sentinel' attribute was added in gcc 4.0.  */
+#ifndef _GL_ATTRIBUTE_SENTINEL
+# if 4 <= __GNUC__
+#  define _GL_ATTRIBUTE_SENTINEL __attribute__ ((__sentinel__))
+# else
+#  define _GL_ATTRIBUTE_SENTINEL /* empty */
+# endif
+#endif
+
 extern const char version_etc_copyright[];
 
 /* The three functions below display the --version information in the
@@ -39,28 +48,29 @@ extern const char version_etc_copyright[];
 
    The functions differ in the way they are passed author names: */
 
-/* N_AUTHORS names are supplied in array AUTHORS */
+/* N_AUTHORS names are supplied in array AUTHORS.  */
 extern void version_etc_arn (FILE *stream,
-			     const char *command_name, const char *package,
-			     const char *version,
-			     const char * const * authors, size_t n_authors);
+                             const char *command_name, const char *package,
+                             const char *version,
+                             const char * const * authors, size_t n_authors);
 
-/* Names are passed in the NULL-terminated array AUTHORS */
+/* Names are passed in the NULL-terminated array AUTHORS.  */
 extern void version_etc_ar (FILE *stream,
-			    const char *command_name, const char *package,
-			    const char *version, const char * const * authors);
+                            const char *command_name, const char *package,
+                            const char *version, const char * const * authors);
 
-/* Names are passed in the NULL-terminated va_list */
+/* Names are passed in the NULL-terminated va_list.  */
 extern void version_etc_va (FILE *stream,
-			    const char *command_name, const char *package,
-			    const char *version, va_list authors);
+                            const char *command_name, const char *package,
+                            const char *version, va_list authors);
 
 /* Names are passed as separate arguments, with an additional
-   NULL argument at the end. */
+   NULL argument at the end.  */
 extern void version_etc (FILE *stream,
-			 const char *command_name, const char *package,
-			 const char *version,
-			 /* const char *author1, ...*/ ...);
+                         const char *command_name, const char *package,
+                         const char *version,
+                         /* const char *author1, ..., NULL */ ...)
+  _GL_ATTRIBUTE_SENTINEL;
 
 /* Display the usual `Report bugs to' stanza */
 extern void emit_bug_reporting_address (void);