separating environment commands, part 1

Signed-off-by: Juergen Beisert <j.beisert@pengutronix.de>

1 files changed, 64 insertions, 0 deletions

diff --git a/commands/setenv.c b/commands/setenv.c
new file mode 100644
index 0000000000..2127da3a8f
--- /dev/null
+++ b/commands/setenv.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+/**
+ * @file
+ * @brief setenv: Set an environment variables
+ */
+
+#include <common.h>
+#include <command.h>
+#include <errno.h>
+#include <environment.h>
+
+static int do_setenv ( cmd_tbl_t *cmdtp, int argc, char *argv[])
+{
+	if (argc < 2) {
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+	}
+
+	setenv(argv[1], argv[2]);
+
+	return 0;
+}
+
+U_BOOT_CMD_START(setenv)
+	.maxargs	= CONFIG_MAXARGS,
+	.cmd		= do_setenv,
+	.usage		= "set environment variables",
+	U_BOOT_CMD_HELP(
+	"name value ...\n"
+	"    - set environment variable 'name' to 'value ...'\n"
+	"setenv name\n"
+	"    - delete environment variable 'name'\n")
+U_BOOT_CMD_END
+
+/**
+ * @page setenv_command setenv: set an environment variable
+ *
+ * Usage: setenv \<name> [\<value>]
+ *
+ * Set environment variable \<name> to \<value>. Without a given value, the
+ * environment variable will be deleted.
+ *
+ * @note This command is only available if the simple command line parser is
+ * in use. Within the hush shell \c setenv is not required.
+ */