Add list 'o boxes free function

FreeRADIUS · Jan 25, 2018 · 4a279b5 · 4a279b5
1 parent ff08ae6
commit 4a279b5
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Showing 2 changed files with 24 additions and 3 deletions.
diff --git a/src/include/value.h b/src/include/value.h
@@ -494,14 +494,19 @@ int		fr_value_box_from_str(TALLOC_CTX *ctx, fr_value_box_t *dst,
 				      char const *src, ssize_t src_len, char quote, bool tainted);
 
 /*
- *	Printing
+ *	Lists
  */
-char		*fr_value_box_asprint(TALLOC_CTX *ctx, fr_value_box_t const *data, char quote);
-
 int		fr_value_box_list_concat(TALLOC_CTX *ctx,
 					 fr_value_box_t *out, fr_value_box_t *list,
 					 fr_type_t type, bool free_input);
 
+void		fr_value_box_list_free(fr_value_box_t **head);
+
+/*
+ *	Printing
+ */
+char		*fr_value_box_asprint(TALLOC_CTX *ctx, fr_value_box_t const *data, char quote);
+
 size_t		fr_value_box_snprint(char *out, size_t outlen, fr_value_box_t const *data, char quote);
 
 char		*fr_value_box_list_asprint(TALLOC_CTX *ctx, fr_value_box_t const *head, char const *delim, char quote);

diff --git a/src/lib/util/value.c b/src/lib/util/value.c
@@ -3765,6 +3765,22 @@ int fr_value_box_list_concat(TALLOC_CTX *ctx,
 	return 0;
 }
 
+/** Free all boxes in a list
+ *
+ * @param[in] head	of the list to free.
+ */
+void fr_value_box_list_free(fr_value_box_t **head)
+{
+	fr_value_box_t *v = *head, *next;
+
+	while (v) {
+		next = v->next;
+		talloc_free(v);
+		v = next;
+	}
+	*head = NULL;
+}
+
 /** Print the value of an attribute to a string
  *
  * @note return value should be checked with is_truncated.