diff options
Diffstat (limited to 'sql/set_var.cc')
| -rw-r--r-- | sql/set_var.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sql/set_var.cc b/sql/set_var.cc index 5d2a6c1d39e..b99816eaccd 100644 --- a/sql/set_var.cc +++ b/sql/set_var.cc @@ -838,7 +838,8 @@ bool update_sys_var_str(sys_var_str *var_str, rw_lock_t *var_mutex, { char *res= 0, *old_value=(char *)(var ? var->value->str_value.ptr() : 0); uint new_length= (var ? var->value->str_value.length() : 0); - if (!old_value) old_value=""; + if (!old_value) + old_value= (char*) ""; if (!(res= my_strdup_with_length(old_value, new_length, MYF(0)))) return 1; /* |