command.c: Break commands out to appropriate cmd_*.c files

command.c should contain common code related to commands, not
miscellaneous command implementations.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
diff --git a/common/cmd_echo.c b/common/cmd_echo.c
new file mode 100644
index 0000000..3ec4d48
--- /dev/null
+++ b/common/cmd_echo.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2000-2009
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * 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 as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <command.h>
+
+int do_echo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	int i;
+	int putnl = 1;
+
+	for (i = 1; i < argc; i++) {
+		char *p = argv[i], c;
+
+		if (i > 1)
+			putc(' ');
+		while ((c = *p++) != '\0') {
+			if (c == '\\' && *p == 'c') {
+				putnl = 0;
+				p++;
+			} else {
+				putc(c);
+			}
+		}
+	}
+
+	if (putnl)
+		putc('\n');
+
+	return 0;
+}
+
+U_BOOT_CMD(
+	echo,	CONFIG_SYS_MAXARGS,	1,	do_echo,
+	"echo args to console",
+	"[args..]\n"
+	"    - echo args to console; \\c suppresses newline"
+);