lib: add extern "C" {} blocks to all libfrr headers

These are necessary to use functions defined in these headers from C++.

Signed-off-by: David Lamparter <equinox@diac24.net>
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/log.h b/lib/log.h
index 816daea305..189857a907 100644
--- a/lib/log.h
+++ b/lib/log.h
@@ -29,6 +29,10 @@
 #include <stdarg.h>
 #include "lib/hook.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* Hook for external logging function */
 DECLARE_HOOK(zebra_ext_log, (int priority, const char *format, va_list args),
 	     (priority, format, args));
@@ -196,4 +200,8 @@ struct timestamp_control {
 	"Local use\n"                                                          \
 	"Local use\n"
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _ZEBRA_LOG_H */