vlcpp/Instance.hpp

@@ -254,10 +254,12 @@ public:
 #else
             //MSVC treats passing nullptr as 1st vsnprintf(_s) as an error
             char psz_msg[512];
-            if ( vsnprintf(psz_msg, sizeof(psz_msg) - 1, format, va) < 0 )
+            if ( _vsnprintf_s( psz_msg, _TRUNCATE, format, va ) < 0 )
                 return;
             char psz_ctx[1024];
-            sprintf_s(psz_ctx, "[%s] (%s:%d) %s", psz_module, psz_file, i_line, psz_msg);
+            if( sprintf_s( psz_ctx, "[%s] (%s:%d) %s", psz_module, psz_file,
+                          i_line, psz_msg ) < 0 )
+                return;
 #endif
             logCb( level, ctx, std::string{ psz_ctx } );
         };