timer: handle time going backwards.
[ccan] / ccan / build_assert / test /
drwxr-xr-x   ..
-rw-r--r-- 138 compile_fail-expr.c
-rw-r--r-- 117 compile_fail.c
-rw-r--r-- 98 compile_ok.c
-rw-r--r-- 170 run-BUILD_ASSERT_OR_ZERO.c