tal: make tal_free() return NULL

[ccan] / ccan / tal / test / run.c

diff --git a/ccan/tal/test/run.c b/ccan/tal/test/run.c
index 3d3799c55492b989a59720d98423b7ccfbee1f9e..ab4341f2c93f443bfdc6b61f84ce57c4fa45be2b 100644 (file)
--- a/ccan/tal/test/run.c
+++ b/ccan/tal/test/run.c
@@ -7,7 +7,10 @@ int main(void)
        char *parent, *c[4], *p;
        int i, j;
 
-       plan_tests(12);
+       plan_tests(14);
+
+       /* tal_free(NULL) works. */
+       ok1(tal_free(NULL) == NULL);
 
        parent = tal(NULL, char);
        ok1(parent);
@@ -33,7 +36,7 @@ int main(void)
        ok1(*c[3] == '1');
 
        /* Free parent. */
-       tal_free(parent);
+       ok1(tal_free(parent) == NULL);
 
        parent = tal(NULL, char);