From 8da3e21131d02b62660a17e31438261c31cdfce7 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun, 2 Jun 2013 11:52:41 -0700
Subject: [PATCH] sig2str: port to C++

* lib/sig2str.h (sig2str, str2sig): Declare as extern "C".
Reported by Daniel J Sebald in
<http://lists.gnu.org/archive/html/bug-gnulib/2013-06/msg00000.html>.
---
 ChangeLog     | 7 +++++++
 lib/sig2str.h | 8 ++++++++
 2 files changed, 15 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index d251b379d..e8b9dfee7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2013-06-02  Paul Eggert  <eggert@cs.ucla.edu>
+
+	sig2str: port to C++
+	* lib/sig2str.h (sig2str, str2sig): Declare as extern "C".
+	Reported by Daniel J Sebald in
+	<http://lists.gnu.org/archive/html/bug-gnulib/2013-06/msg00000.html>.
+
 2013-05-30  Eric Blake  <eblake@redhat.com>
 
 	docs: mention cygwin shortcoming in <sys/un.h>
diff --git a/lib/sig2str.h b/lib/sig2str.h
index d16be98c0..df6bfd39e 100644
--- a/lib/sig2str.h
+++ b/lib/sig2str.h
@@ -27,9 +27,17 @@
 /* Size of a buffer needed to hold a signal name like "HUP".  */
 # define SIG2STR_MAX (sizeof "SIGRTMAX" + INT_STRLEN_BOUND (int) - 1)
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 int sig2str (int, char *);
 int str2sig (char const *, int *);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif
 
 /* An upper bound on signal numbers allowed by the system.  */
-- 
2.11.0