From ef7ff70ca445f380548fe17f488dc6428aa1efc5 Mon Sep 17 00:00:00 2001
From: Sascha Hauer <sha@pengutronix.de>
Date: Sat, 17 Oct 2009 12:01:14 +0200
Subject: consolidate command calling in execute_command

Signed-off-by: Sascha Hauer <sha@pengutronix.de>
---
 common/command.c | 19 +++++++++++++++++++
 common/hush.c    | 18 +-----------------
 common/parser.c  | 19 +------------------
 3 files changed, 21 insertions(+), 35 deletions(-)

(limited to 'common')

diff --git a/common/command.c b/common/command.c
index accaffa4be..24c2e2407f 100644
--- a/common/command.c
+++ b/common/command.c
@@ -91,6 +91,25 @@ static int compare(struct list_head *a, struct list_head *b)
 	return strcmp(na, nb);
 }
 
+int execute_command(int argc, char **argv)
+{
+	cmd_tbl_t *cmdtp;
+
+	/* Look up command in command table */
+	if ((cmdtp = find_cmd(argv[0]))) {
+		/* found - check max args */
+		if (argc > cmdtp->maxargs) {
+			u_boot_cmd_usage(cmdtp);
+			return -1;
+		}
+		/* OK - call function to do the command */
+		return cmdtp->cmd(cmdtp, argc, argv);
+	} else {
+		printf ("Unknown command '%s' - try 'help'\n", argv[0]);
+		return -1;	/* give up after bad command */
+	}
+}
+
 int register_command(cmd_tbl_t *cmd)
 {
 	/*
diff --git a/common/hush.c b/common/hush.c
index 0ad5977218..5ff695beb7 100644
--- a/common/hush.c
+++ b/common/hush.c
@@ -513,7 +513,6 @@ static int run_pipe_real(struct pipe *pi)
 	int i;
 	int nextin;
 	struct child_prog *child;
-	cmd_tbl_t *cmdtp;
 	char *p;
 	char *path;
 	int ret;
@@ -589,23 +588,8 @@ static int run_pipe_real(struct pipe *pi)
 			free(path);
 			return ret;
 		}
-		/* Look up command in command table */
-		if ((cmdtp = find_cmd(child->argv[i]))) {
-			int rcode;
-
-			/* found - check max args */
-			if ((child->argc - i) > cmdtp->maxargs) {
-				printf ("Usage:\n%s\n", cmdtp->usage);
-				return -1;
-			}
-			/* OK - call function to do the command */
-			rcode = cmdtp->cmd(cmdtp, child->argc-i, &child->argv[i]);
 
-			return rcode;
-		} else {
-			printf ("Unknown command '%s' - try 'help'\n", child->argv[i]);
-			return -1;	/* give up after bad command */
-		}
+		return execute_command(child->argc - i, &child->argv[i]);
 	}
 	return -1;
 }
diff --git a/common/parser.c b/common/parser.c
index c43d7ca176..97e354bae9 100644
--- a/common/parser.c
+++ b/common/parser.c
@@ -176,7 +176,6 @@ static void process_macros (const char *input, char *output)
 
 int run_command (const char *cmd, int flag)
 {
-	cmd_tbl_t *cmdtp;
 	char cmdbuf[CONFIG_CBSIZE];	/* working copy of cmd		*/
 	char *token;			/* start of token in cmdbuf	*/
 	char *sep;			/* end of token (separator) in cmdbuf */
@@ -251,23 +250,7 @@ int run_command (const char *cmd, int flag)
 			continue;
 		}
 
-		/* Look up command in command table */
-		if ((cmdtp = find_cmd(argv[0])) == NULL) {
-			printf ("Unknown command '%s' - try 'help'\n", argv[0]);
-			rc = -1;	/* give up after bad command */
-			continue;
-		}
-
-		/* found - check max args */
-		if (argc > cmdtp->maxargs) {
-			printf ("Usage:\n%s\n", cmdtp->usage);
-			rc = -1;
-			continue;
-		}
-
-		/* OK - call function to do the command */
-		if ((cmdtp->cmd) (cmdtp, argc, argv) != 0)
-			rc = -1;
+		rc = execute_command(argc, argv);
 	}
 
 	return rc;
-- 
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