From: Rafal Somla
Date: October 18 2012 11:04am
Subject: bzr push into mysql-trunk branch (rafal.somla:4730 to 4731)
List-Archive: http://lists.mysql.com/commits/145097
Message-Id: <201210181105.q9IB558l005223@acsmt357.oracle.com>
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 4731 Rafal Somla	2012-10-18
      Fix for linux build.

    modified:
      libmysql/test_trace_plugin.cc
 4730 Rafal Somla	2012-10-17
      WL#6226 - initial patch - work in progress...

    added:
      include/mysql/plugin_trace.h
      libmysql/mysql_trace.c
      libmysql/mysql_trace.h
      libmysql/test_trace_plugin.cc
    modified:
      CMakeLists.txt
      include/mysql/client_plugin.h
      include/sql_common.h
      libmysql/CMakeLists.txt
      libmysql/libmysql.c
      sql-common/client.c
      sql-common/client_plugin.c
=== modified file 'libmysql/test_trace_plugin.cc'
--- a/libmysql/test_trace_plugin.cc	2012-10-17 13:22:15 +0000
+++ b/libmysql/test_trace_plugin.cc	2012-10-18 11:02:55 +0000
@@ -5,8 +5,8 @@
    Test trace plugin
   ===========================
 
-  If TEST_TRACE_PLUGIN build option was checked when building libmysql then
-  this plugin is built into client library (no plugin loading required). 
+  If WITH_TEST_TRACE_PLUGIN build option was checked when building libmysql 
+  then this plugin is built into client library (no plugin loading required). 
   
   The plugin follows the protocol flow based on the trace evnets reported to
   it. If MYSQL_TEST_TRACE_DEBUG environment variable is non-zero then it logs
@@ -47,10 +47,18 @@ static int plugin_deinit();
 
 }
 
-} // namespace test_trace_ns
+} // namespace test_trace
+
 
+extern "C" {
+
+/*
+  Test_trace_plugin symbol is to be used by C code (client.c) and thus it
+  is declared inside extern "C" to avoid C++ name mangling problems. Current
+  C++ compilers do not mangle data symbol names but to be on the safe side 
+  we explicitly declare it as extern "C".
+*/
 
-extern "C"
 struct st_mysql_client_plugin_TRACE test_trace_plugin=
 {
   MYSQL_CLIENT_TRACE_PLUGIN,
@@ -69,6 +77,7 @@ struct st_mysql_client_plugin_TRACE test
   test_trace::trace_event
 };
 
+}
 
 namespace test_trace {
 
@@ -267,12 +276,6 @@ void Logger::send()
 }
 
 
-#define OK_PACKET(PKT)    (*((byte*)PKT) == 0x00)
-#define ERR_PACKET(PKT)   (*((byte*)PKT) == 0xFF)
-#define EOF_PACKET(PKT)   (*((byte*)PKT) == 0xFE)
-#define FILE_REQUEST(PKT) (*((byte*)PKT) == 0xFB)
-
-
 /**
   The "top-level" logger used when no connection context is given.
 */
@@ -327,6 +330,12 @@ plugin_deinit()
   ==========================
 */
 
+#define OK_PACKET(PKT)    (*((byte*)PKT) == 0x00)
+#define ERR_PACKET(PKT)   (*((byte*)PKT) == 0xFF)
+#define EOF_PACKET(PKT)   (*((byte*)PKT) == 0xFE)
+#define FILE_REQUEST(PKT) (*((byte*)PKT) == 0xFB)
+
+
 void*
 trace_start(struct st_mysql_client_plugin_TRACE *self, 
             MYSQL *conn, enum protocol_stage stage)

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