opt: fix gcc -O3 warnings.

diff --git a/ccan/opt/test/run-iter.c b/ccan/opt/test/run-iter.c
index 36e2c33c0a21ea365bb7ab4a46a5c03fe23d4949..a7cfb746218a31552e42d1a3342d382b156aec4d 100644 (file)
--- a/ccan/opt/test/run-iter.c
+++ b/ccan/opt/test/run-iter.c
@@ -20,7 +20,7 @@ static void reset_options(void)
 /* Test iterators. */
 int main(int argc, char *argv[])
 {
-       unsigned j, i, len;
+       unsigned j, i, len = 0;
        const char *p;
 
        plan_tests(37 * 2);

diff --git a/ccan/opt/test/utils.c b/ccan/opt/test/utils.c
index 5b054f87f315ce7524dd5c90456467c29e80e777..802b15381042b0dc63a26f440e54bb8c0f2b7f0c 100644 (file)
--- a/ccan/opt/test/utils.c
+++ b/ccan/opt/test/utils.c
@@ -35,7 +35,9 @@ static void save_err_output(const char *fmt, ...)
        char *p;
 
        va_start(ap, fmt);
-       vasprintf(&p, fmt, ap);
+       /* Check return, for fascist gcc */
+       if (vasprintf(&p, fmt, ap) == -1)
+               p = NULL;
        va_end(ap);
 
        if (err_output) {