From 396fd17338b9bf1f84f494ec1860427e18868ede Mon Sep 17 00:00:00 2001 From: Peter Tyser Date: Fri, 16 Oct 2009 17:36:27 -0500 Subject: [PATCH] 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 --- common/cmd_test.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) 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 @@ U_BOOT_CMD( "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 +);