BUG#14629727: USER_VAR_EVENT IS MISSING RANGE CHECKS

Moved explicit instantiation of available_buffer and valid_buffer_range 
template functions to sql/log_event.cc.

sql/log_event.cc

@@ -54,6 +54,22 @@
 */
 #define FMT_G_BUFSIZE(PREC) (3 + (PREC) + 5 + 1)
 
+/*
+  Explicit instantiation to unsigned int of template available_buffer
+  function.
+*/
+template unsigned int available_buffer<unsigned int>(const char*,
+                                                     const char*,
+                                                     unsigned int);
+
+/*
+  Explicit instantiation to unsigned int of template valid_buffer_range
+  function.
+*/
+template bool valid_buffer_range<unsigned int>(unsigned int,
+                                               const char*,
+                                               const char*,
+                                               unsigned int);
 
 #if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
 static int rows_event_stmt_cleanup(Relay_log_info const *rli, THD* thd);

sql/mysql_priv.h

@@ -516,10 +516,6 @@ template <class T> T available_buffer(const char* buf_start,
 {
   return buf_len - (buf_current - buf_start);
 }
-/* Explicit instantion to unsigned int. */
-template unsigned int available_buffer<unsigned int>(const char*,
-                                                     const char*,
-                                                     unsigned int);
 
 /*
   Check if jump value is within buffer limits.
@@ -539,11 +535,6 @@ template <class T> bool valid_buffer_range(T jump,
 {
   return (jump <= available_buffer(buf_start, buf_current, buf_len));
 }
-/* Explicit instantion to unsigned int. */
-template bool valid_buffer_range<unsigned int>(unsigned int,
-                                               const char*,
-                                               const char*,
-                                               unsigned int);
 
 /* The rest of the file is included in the server only */
 #ifndef MYSQL_CLIENT