Fix UTF8StringNormalize overrun on zero-length string

Detected by valgrind

diff --git a/servers/slapd/schema_init.c b/servers/slapd/schema_init.c
index 67508fc70db2862e451de0b00adb8dc2618037a2..56d690ba833ec2412973b4183d179050fdd568ff 100644 (file)
--- a/servers/slapd/schema_init.c
+++ b/servers/slapd/schema_init.c
@@ -1852,7 +1852,7 @@ UTF8StringNormalize(
                }
                nvalue.bv_val[nvalue.bv_len] = '\0';
 
-       } else {
+       } else if ( nvalue.bv_len )  {
                /* string of all spaces is treated as one space */
                nvalue.bv_val[0] = ' ';
                nvalue.bv_val[1] = '\0';