X-Git-Url: https://git.openssl.org/?a=blobdiff_plain;f=include%2Fopenssl%2Fsm2.h;h=24ee7657b843166a1f5642ce8e8fd24320516e3e;hb=98020023a46e4c32a468bf16e826da09e5547d37;hp=a3c055b199fe58fe16ec231dacabf5dc4d9ca85e;hpb=3830c1943b6b7411134a28c5801e57d1b5b2dca2;p=openssl.git

diff --git a/include/openssl/sm2.h b/include/openssl/sm2.h
index a3c055b199..24ee7657b8 100644
--- a/include/openssl/sm2.h
+++ b/include/openssl/sm2.h
@@ -15,6 +15,10 @@
 
 # ifndef OPENSSL_NO_SM2
 
+#  ifdef __cplusplus
+extern "C" {
+#  endif
+
 #  include <openssl/ec.h>
 
 /* The default user id as specified in GM/T 0009-2012 */
@@ -74,5 +78,9 @@ int SM2_decrypt(const EC_KEY *key,
 
 int ERR_load_SM2_strings(void);
 
+#  ifdef __cplusplus
+}
+#  endif
+
 # endif /* OPENSSL_NO_SM2 */
 #endif