Const cast sacrifice to satisfy the old OpenSSL gods

1 files changed, 5 insertions, 1 deletions

diff --git a/vespalib/src/vespa/vespalib/net/tls/impl/openssl_tls_context_impl.cpp b/vespalib/src/vespa/vespalib/net/tls/impl/openssl_tls_context_impl.cpp
index 606e10599e7..90de2c36a24 100644
--- a/vespalib/src/vespa/vespalib/net/tls/impl/openssl_tls_context_impl.cpp
+++ b/vespalib/src/vespa/vespalib/net/tls/impl/openssl_tls_context_impl.cpp
@@ -88,7 +88,11 @@ void ensure_openssl_initialized_once() {
 
 BioPtr bio_from_string(vespalib::stringref str) {
     LOG_ASSERT(str.size() <= INT_MAX);
-    BioPtr bio(::BIO_new_mem_buf(&str[0], static_cast<int>(str.size())));
+#if (OPENSSL_VERSION_NUMBER > 0x10001000L)
+    BioPtr bio(::BIO_new_mem_buf(str.data(), static_cast<int>(str.size())));
+#else
+    BioPtr bio(::BIO_new_mem_buf(const_cast<char*>(str.data()), static_cast<int>(str.size())));
+#endif
     if (!bio) {
         throw CryptoException("BIO_new_mem_buf");
     }