additional 'after merge' fix

sql/mysql_priv.h

@@ -567,7 +567,7 @@ void get_default_definer(THD *thd, LEX_USER *definer);
 LEX_USER *create_default_definer(THD *thd);
 LEX_USER *create_definer(THD *thd, LEX_STRING *user_name, LEX_STRING *host_name);
 LEX_USER *get_current_user(THD *thd, LEX_USER *user);
-bool check_string_length(CHARSET_INFO *cs, LEX_STRING *str,
+bool check_string_length(LEX_STRING *str,
                          const char *err_msg, uint max_length);
 
 enum enum_mysql_completiontype {

sql/sql_parse.cc

@@ -7565,7 +7565,6 @@ LEX_USER *get_current_user(THD *thd, LEX_USER *user)
 
   SYNOPSIS
     check_string_length()
-      cs          string charset
       str         string to be checked
       err_msg     error message to be displayed if the string is too long
       max_length  max length
@@ -7575,13 +7574,13 @@ LEX_USER *get_current_user(THD *thd, LEX_USER *user)
     TRUE    the passed string is longer than max_length
 */
 
-bool check_string_length(CHARSET_INFO *cs, LEX_STRING *str,
-                         const char *err_msg, uint max_length)
+bool check_string_length(LEX_STRING *str, const char *err_msg,
+                         uint max_length)
 {
-  if (cs->cset->charpos(cs, str->str, str->str + str->length,
-                        max_length) >= str->length)
+  if (str->length <= max_length)
     return FALSE;
 
   my_error(ER_WRONG_STRING_LENGTH, MYF(0), str->str, err_msg, max_length);
+
   return TRUE;
 }

sql/sql_yacc.yy

@@ -7523,7 +7523,7 @@ user:
 	  $$->host.str= (char *) "%";
 	  $$->host.length= 1;
 
-	  if (check_string_length(system_charset_info, &$$->user,
+	  if (check_string_length(&$$->user,
                                   ER(ER_USERNAME), USERNAME_LENGTH))
 	    YYABORT;
 	}
@@ -7534,9 +7534,9 @@ user:
 	      YYABORT;
 	    $$->user = $1; $$->host=$3;
 
-	    if (check_string_length(system_charset_info, &$$->user,
+	    if (check_string_length(&$$->user,
                                     ER(ER_USERNAME), USERNAME_LENGTH) ||
-	        check_string_length(&my_charset_latin1, &$$->host,
+	        check_string_length(&$$->host,
                                     ER(ER_HOSTNAME), HOSTNAME_LENGTH))
 	      YYABORT;
 	  }