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>.

diff --git a/ChangeLog b/ChangeLog
index d251b37..e8b9dfe 100644 (file)
--- 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 d16be98..df6bfd3 100644 (file)
--- 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.  */