build: more checks for travis builds

.travis.yml

@@ -24,9 +24,11 @@ env:
     global:
         - PKG_CONFIG_PATH="${HOME}/.local/lib/pkgconfig"
         - PATH="${HOME}/.local/bin:/usr/local/bin:${PATH}"
-        - CFLAGS="-O0 -g -fno-omit-frame-pointer"
+        - CFLAGS="-O2 -g -fno-omit-frame-pointer -DMP_FREELIST_SIZE=0"
         - LD_LIBRARY_PATH="${HOME}/.local/lib"
         - DYLD_LIBRARY_PATH="${HOME}/.local/lib"
+        - MALLOC_CHECK_=3
+        - MALLOC_PERTURB_=223
 before_script:
     - ./scripts/bootstrap-depends.sh ${HOME}/.local
 script:

contrib/ccan/asprintf/asprintf.c

@@ -16,7 +16,7 @@ char *PRINTF_FMT(1, 2) afmt(const char *fmt, ...)
 	return ptr;
 }
 
-#if !HAVE_ASPRINTF
+#if !HAVE_ASPRINTF && !defined(__USE_FORTIFY_LEVEL)
 #include <stdarg.h>
 #include <stdlib.h>
 

contrib/ccan/asprintf/asprintf.h

@@ -12,7 +12,7 @@
  */
 char *PRINTF_FMT(1, 2) afmt(const char *fmt, ...);
 
-#if HAVE_ASPRINTF
+#if HAVE_ASPRINTF || defined(__USE_FORTIFY_LEVEL)
 #include <stdio.h>
 #else
 #include <stdarg.h>

daemon/worker.c

@@ -111,7 +111,7 @@ static uv_handle_t *ioreq_spawn(struct qr_task *task, int socktype)
 	struct session *session = handle->data;
 	session->outgoing = true;
 	int ret = array_push(session->tasks, task);
-	if (ret != 0) {
+	if (ret < 0) {
 		io_deinit(handle);
 		req_release(task->worker, (struct req *)handle);
 		return NULL;