Correctly add to the length of the final string

diff --git a/ext/ldap/ldap.c b/ext/ldap/ldap.c
index 915ac3febe1b12d7208a42b405a4c48a343bc1ae..bdb90f8addba3eef88888768d01fefcb7f5176f7 100644 (file)
--- a/ext/ldap/ldap.c
+++ b/ext/ldap/ldap.c
@@ -2837,7 +2837,7 @@ static zend_string* php_ldap_do_escape(const zend_bool *map, const char *value,
        if (flags & PHP_LDAP_ESCAPE_DN && value[0] == ' ') {
                len += 2;
        }
-       if (flags & PHP_LDAP_ESCAPE_DN && valuelen && value[valuelen] == ' ') {
+       if (flags & PHP_LDAP_ESCAPE_DN && valuelen && value[valuelen - 1] == ' ') {
                len += 2;
        }