failtest: fix void * arithmetic in example.

[ccan] / ccan / failtest / failtest.c

diff --git a/ccan/failtest/failtest.c b/ccan/failtest/failtest.c
index 7a6f5220e60cd5ed7d1035922b267751c999a84e..b25b049edac1d162c663ae58218c75dc3815e0dd 100644 (file)
--- a/ccan/failtest/failtest.c
+++ b/ccan/failtest/failtest.c
@@ -364,7 +364,10 @@ static bool should_fail(struct failtest_call *call)
                /* + means continue after end, like normal. */
                if (*failpath == '+')
                        failpath = NULL;
-               else {
+               else if (*failpath == '\0') {
+                       /* Continue, but don't inject errors. */
+                       return call->fail = false;
+               } else {
                        if (tolower((unsigned char)*failpath)
                            != info_to_arg[call->type])
                                errx(1, "Failpath expected '%c' got '%c'\n",