+ return ldap_pvt_bv2scope( &bv );
+}
+
+static const char hex[] = "0123456789ABCDEF";
+
+#define URLESC_NONE 0x0000U
+#define URLESC_COMMA 0x0001U
+#define URLESC_SLASH 0x0002U
+
+static int
+hex_escape_len( const char *s, unsigned list )
+{
+ int len;
+
+ if ( s == NULL ) {
+ return 0;
+ }
+
+ for ( len = 0; s[0]; s++ ) {
+ switch ( s[0] ) {
+ /* RFC 2396: reserved */
+ case '?':
+ len += 3;
+ break;
+
+ case ',':
+ if ( list & URLESC_COMMA ) {
+ len += 3;
+ } else {
+ len++;
+ }
+ break;
+
+ case '/':
+ if ( list & URLESC_SLASH ) {
+ len += 3;
+ } else {
+ len++;
+ }
+ break;
+
+ case ';':
+ case ':':
+ case '@':
+ case '&':
+ case '=':
+ case '+':
+ case '$':
+
+ /* RFC 2396: unreserved mark */
+ case '-':
+ case '_':
+ case '.':
+ case '!':
+ case '~':
+ case '*':
+ case '\'':
+ case '(':
+ case ')':
+ len++;
+ break;
+
+ /* RFC 2396: unreserved alphanum */
+ default:
+ if ( !isalnum( (unsigned char) s[0] ) ) {
+ len += 3;
+ } else {
+ len++;
+ }
+ break;
+ }
+ }
+
+ return len;
+}
+
+static int
+hex_escape( char *buf, int len, const char *s, unsigned list )
+{
+ int i;
+ int pos;
+
+ if ( s == NULL ) {
+ return 0;
+ }
+
+ for ( pos = 0, i = 0; s[i] && pos < len; i++ ) {
+ int escape = 0;
+
+ switch ( s[i] ) {
+ /* RFC 2396: reserved */
+ case '?':
+ escape = 1;
+ break;
+
+ case ',':
+ if ( list & URLESC_COMMA ) {