add clang directives to avoid warnings

Change-Id: I1ed298176ad1403ed089177a3cce4264f028bbbd
Signed-off-by: Angelo Mantellini <angelo.mantellini@irt-systemx.fr>

3 files changed, 7 insertions, 1 deletions

diff --git a/libparc/parc/security/parc_CertificateFactory.c b/libparc/parc/security/parc_CertificateFactory.c
index 52cef4af..c737e425 100644
--- a/libparc/parc/security/parc_CertificateFactory.c
+++ b/libparc/parc/security/parc_CertificateFactory.c
@@ -91,6 +91,8 @@ parcCertificateFactory_CreateSelfSignedCertificate(PARCCertificateFactory *facto
         case PARCSigningAlgorithm_ECDSA:
           certificate = parcX509Certificate_CreateSelfSignedCertificate(privateKey, subjectName, (int) keyLength, valdityDays, PARCKeyType_EC);
           break;
+        default:
+          break;
       }
 
         // This may fail.
diff --git a/libparc/parc/security/parc_PublicKeySigner.c b/libparc/parc/security/parc_PublicKeySigner.c
index 0a029cae..1297611e 100644
--- a/libparc/parc/security/parc_PublicKeySigner.c
+++ b/libparc/parc/security/parc_PublicKeySigner.c
@@ -213,7 +213,7 @@ static inline int _SignDigestECDSA(const PARCCryptoHash *digestToSign, PARCBuffe
                           ec_key);
     parcAssertTrue(result == 1, "Got error from ECDSA_sign: %d", result);
     EC_KEY_free(ec_key);
-
+    return result;
 }
 
 static PARCSignature *
@@ -307,6 +307,8 @@ _GetSignatureSize(PARCPublicKeySigner *signer)
         EVP_PKEY_free(privateKey);
         break;
       }
+    default:
+      break;
   }
   parcBuffer_Release(&privateKeyBuffer);
 
diff --git a/libparc/parc/security/parc_X509Certificate.c b/libparc/parc/security/parc_X509Certificate.c
index 497cff99..2c964ae7 100644
--- a/libparc/parc/security/parc_X509Certificate.c
+++ b/libparc/parc/security/parc_X509Certificate.c
@@ -609,6 +609,8 @@ parcX509Certificate_CreateSelfSignedCertificate(PARCBuffer **privateKeyBuffer, c
       return _createSelfSignedCertificate_RSA(privateKeyBuffer, subjectName, keyLength, validityDays);
     case PARCKeyType_EC:
       return _createSelfSignedCertificate_EC(privateKeyBuffer, subjectName, keyLength, validityDays);
+    default:
+      break;
   }
 
   return NULL;