idhash: Add missing C++ linkage guards.

nanomsg · Feb 4, 2024 · bb15006 · bb15006
1 parent daa5521
commit bb15006
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/include/nng/supplemental/util/idhash.h b/include/nng/supplemental/util/idhash.h
@@ -10,6 +10,10 @@
 #ifndef NNG_SUPPLEMENTAL_UTIL_IDHASH_H
 #define NNG_SUPPLEMENTAL_UTIL_IDHASH_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include <nng/nng.h>
 
 typedef struct nng_id_map_s nng_id_map;
@@ -24,4 +28,8 @@ NNG_DECL int   nng_id_set(nng_id_map *, uint64_t, void *);
 NNG_DECL int   nng_id_alloc(nng_id_map *, uint64_t *, void *);
 NNG_DECL int   nng_id_remove(nng_id_map *, uint64_t);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif // NNG_SUPPLEMENTAL_IDHASH_IDHASH_H