Add 'true' and 'false' commands
These commands are only enabled when the hush shell is enabled and can
be useful in scripts such as:
while true do
echo "Booting OS...";
run $bootcmd;
echo "Booting OS failed";
sleep 10;
done
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
diff --git a/common/cmd_test.c b/common/cmd_test.c
index 3cdd07b..d886f89 100644
--- a/common/cmd_test.c
+++ b/common/cmd_test.c
@@ -149,3 +149,25 @@
"minimal test like /bin/sh",
"[args..]"
);
+
+int do_false(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ return 1;
+}
+
+U_BOOT_CMD(
+ false, CONFIG_SYS_MAXARGS, 1, do_false,
+ "do nothing, unsuccessfully",
+ NULL
+);
+
+int do_true(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ return 0;
+}
+
+U_BOOT_CMD(
+ true, CONFIG_SYS_MAXARGS, 1, do_true,
+ "do nothing, successfully",
+ NULL
+);