}
+/**
+ append one list to another - expanding list1
+*/
+_PUBLIC_ const char **str_list_append(const char **list1, const char **list2)
+{
+ size_t len1 = str_list_length(list1);
+ size_t len2 = str_list_length(list2);
+ const char **ret;
+ int i;
+
+ ret = talloc_realloc(NULL, list1, const char *, len1+len2+1);
+ if (ret == NULL) return NULL;
+
+ for (i=len1;i<len1+len2;i++) {
+ ret[i] = talloc_strdup(ret, list2[i-len1]);
+ if (ret[i] == NULL) {
+ return NULL;
+ }
+ }
+ ret[i] = NULL;
+
+ return ret;
+}