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Add 'true' and 'false' commands
author
Peter Tyser
<ptyser@xes-inc.com>
Fri, 16 Oct 2009 22:36:27 +0000
(17:36 -0500)
committer
Wolfgang Denk
<wd@denx.de>
Sun, 22 Nov 2009 23:06:13 +0000
(
00:06
+0100)
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>
common/cmd_test.c
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diff --git
a/common/cmd_test.c
b/common/cmd_test.c
index 3cdd07bf32685f23a6256700956ef7765b9c9e4d..d886f893c7ed7cf444b47adf93c87a4b3bc75a5f 100644
(file)
--- 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
+);