don't use lud_host when NULL (ITS#6653, fixed differently)

diff --git a/libraries/libldap/url.c b/libraries/libldap/url.c
index 2c4094cb9c67f466295e94f1bb985ce017e74ceb..4e641a37063b75eb0a681323fe4ec39f45113432 100644 (file)
--- a/libraries/libldap/url.c
+++ b/libraries/libldap/url.c
@@ -1425,6 +1425,7 @@ ldap_url_list2hosts (LDAPURLDesc *ludlist)
        /* figure out how big the string is */
        size = 1;       /* nul-term */
        for (ludp = ludlist; ludp != NULL; ludp = ludp->lud_next) {
+               if ( ludp->lud_host == NULL ) continue;
                size += strlen(ludp->lud_host) + 1;             /* host and space */
                if (strchr(ludp->lud_host, ':'))        /* will add [ ] below */
                        size += 2;
@@ -1437,6 +1438,7 @@ ldap_url_list2hosts (LDAPURLDesc *ludlist)
 
        p = s;
        for (ludp = ludlist; ludp != NULL; ludp = ludp->lud_next) {
+               if ( ludp->lud_host == NULL ) continue;
                if (strchr(ludp->lud_host, ':')) {
                        p += sprintf(p, "[%s]", ludp->lud_host);
                } else {
@@ -1449,7 +1451,7 @@ ldap_url_list2hosts (LDAPURLDesc *ludlist)
        }
        if (p != s)
                p--;    /* nuke that extra space */
-       *p = 0;
+       *p = '\0';
        return s;
 }