[PATCH 4/7] libdiskfs: improve asserts and remove a sign compare warning

[Etienne Brateau]

---
 libdiskfs/boot-start.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libdiskfs/boot-start.c b/libdiskfs/boot-start.c
index 5c4c3248..89d09d65 100644
--- a/libdiskfs/boot-start.c
+++ b/libdiskfs/boot-start.c
@@ -249,7 +249,8 @@ diskfs_start_bootstrap ()
       diskfs_kernel_task = MACH_PORT_NULL;
 
       len = snprintf (buf, sizeof buf, "--kernel-task=%lu", kernel_task_name);
-      assert_backtrace (len < sizeof buf);
+      assert_backtrace (len > 0);
+      assert_backtrace ((size_t) len < sizeof buf);
       /* Insert as second argument.  */
       err = argz_insert (&exec_argv, &exec_argvlen,
                          argz_next (exec_argv, exec_argvlen, exec_argv), buf);
-- 
2.34.1